fix: improve qbtoexpr test suite (#10217)

* fix: improve qbtoexpr test suite

* fix: assert eq order

---------

Co-authored-by: Nityananda Gohain <nityanandagohain@gmail.com>

docs/api/openapi.yml

@@ -607,182 +607,6 @@ paths:
       summary: Update auth domain
       tags:
       - authdomains
-  /api/v1/fields/keys:
-    get:
-      deprecated: false
-      description: This endpoint returns field keys
-      operationId: GetFieldsKeys
-      parameters:
-      - in: query
-        name: signal
-        schema:
-          type: string
-      - in: query
-        name: source
-        schema:
-          type: string
-      - in: query
-        name: limit
-        schema:
-          type: integer
-      - in: query
-        name: startUnixMilli
-        schema:
-          format: int64
-          type: integer
-      - in: query
-        name: endUnixMilli
-        schema:
-          format: int64
-          type: integer
-      - in: query
-        name: fieldContext
-        schema:
-          type: string
-      - in: query
-        name: fieldDataType
-        schema:
-          type: string
-      - in: query
-        name: metricName
-        schema:
-          type: string
-      - in: query
-        name: name
-        schema:
-          type: string
-      - in: query
-        name: searchText
-        schema:
-          type: string
-      responses:
-        "200":
-          content:
-            application/json:
-              schema:
-                properties:
-                  data:
-                    $ref: '#/components/schemas/TelemetrytypesGettableFieldKeys'
-                  status:
-                    type: string
-                type: object
-          description: OK
-        "401":
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RenderErrorResponse'
-          description: Unauthorized
-        "403":
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RenderErrorResponse'
-          description: Forbidden
-        "500":
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RenderErrorResponse'
-          description: Internal Server Error
-      security:
-      - api_key:
-        - VIEWER
-      - tokenizer:
-        - VIEWER
-      summary: Get field keys
-      tags:
-      - fields
-  /api/v1/fields/values:
-    get:
-      deprecated: false
-      description: This endpoint returns field values
-      operationId: GetFieldsValues
-      parameters:
-      - in: query
-        name: signal
-        schema:
-          type: string
-      - in: query
-        name: source
-        schema:
-          type: string
-      - in: query
-        name: limit
-        schema:
-          type: integer
-      - in: query
-        name: startUnixMilli
-        schema:
-          format: int64
-          type: integer
-      - in: query
-        name: endUnixMilli
-        schema:
-          format: int64
-          type: integer
-      - in: query
-        name: fieldContext
-        schema:
-          type: string
-      - in: query
-        name: fieldDataType
-        schema:
-          type: string
-      - in: query
-        name: metricName
-        schema:
-          type: string
-      - in: query
-        name: name
-        schema:
-          type: string
-      - in: query
-        name: searchText
-        schema:
-          type: string
-      - in: query
-        name: existingQuery
-        schema:
-          type: string
-      responses:
-        "200":
-          content:
-            application/json:
-              schema:
-                properties:
-                  data:
-                    $ref: '#/components/schemas/TelemetrytypesGettableFieldValues'
-                  status:
-                    type: string
-                type: object
-          description: OK
-        "401":
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RenderErrorResponse'
-          description: Unauthorized
-        "403":
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RenderErrorResponse'
-          description: Forbidden
-        "500":
-          content:
-            application/json:
-              schema:
-                $ref: '#/components/schemas/RenderErrorResponse'
-          description: Internal Server Error
-      security:
-      - api_key:
-        - VIEWER
-      - tokenizer:
-        - VIEWER
-      summary: Get field values
-      tags:
-      - fields
   /api/v1/getResetPasswordToken/{id}:
     get:
       deprecated: false
@@ -2402,6 +2226,12 @@ paths:
               schema:
                 $ref: '#/components/schemas/RenderErrorResponse'
           description: Bad Request
+        "422":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/RenderErrorResponse'
+          description: Unprocessable Entity
         "500":
           content:
             application/json:
@@ -4424,60 +4254,6 @@ components:
           format: date-time
           type: string
       type: object
-    TelemetrytypesGettableFieldKeys:
-      properties:
-        complete:
-          type: boolean
-        keys:
-          additionalProperties:
-            items:
-              $ref: '#/components/schemas/TelemetrytypesTelemetryFieldKey'
-            type: array
-          nullable: true
-          type: object
-      type: object
-    TelemetrytypesGettableFieldValues:
-      properties:
-        complete:
-          type: boolean
-        values:
-          $ref: '#/components/schemas/TelemetrytypesTelemetryFieldValues'
-      type: object
-    TelemetrytypesTelemetryFieldKey:
-      properties:
-        description:
-          type: string
-        fieldContext:
-          type: string
-        fieldDataType:
-          type: string
-        name:
-          type: string
-        signal:
-          type: string
-        unit:
-          type: string
-      type: object
-    TelemetrytypesTelemetryFieldValues:
-      properties:
-        boolValues:
-          items:
-            type: boolean
-          type: array
-        numberValues:
-          items:
-            format: double
-            type: number
-          type: array
-        relatedValues:
-          items:
-            type: string
-          type: array
-        stringValues:
-          items:
-            type: string
-          type: array
-      type: object
     TypesChangePasswordRequest:
       properties:
         newPassword:
@@ -4606,6 +4382,9 @@ components:
           type: string
         orgId:
           type: string
+      required:
+      - orgId
+      - email
       type: object
     TypesPostableInvite:
       properties:

ee/query-service/app/api/api.go

@@ -9,6 +9,7 @@ import (
 	"github.com/SigNoz/signoz/ee/query-service/integrations/gateway"
 	"github.com/SigNoz/signoz/ee/query-service/usage"
 	"github.com/SigNoz/signoz/pkg/alertmanager"
+	"github.com/SigNoz/signoz/pkg/apis/fields"
 	"github.com/SigNoz/signoz/pkg/global"
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	querierAPI "github.com/SigNoz/signoz/pkg/querier"
@@ -55,6 +56,7 @@ func NewAPIHandler(opts APIHandlerOptions, signoz *signoz.SigNoz) (*APIHandler,
 		FluxInterval:                  opts.FluxInterval,
 		AlertmanagerAPI:               alertmanager.NewAPI(signoz.Alertmanager),
 		LicensingAPI:                  httplicensing.NewLicensingAPI(signoz.Licensing),
+		FieldsAPI:                     fields.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.TelemetryStore),
 		Signoz:                        signoz,
 		QuerierAPI:                    querierAPI.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.Querier, signoz.Analytics),
 		QueryParserAPI:                queryparser.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.QueryParser),

ee/query-service/app/server.go

@@ -237,6 +237,7 @@ func (s *Server) createPublicServer(apiHandler *api.APIHandler, web web.Web) (*h
 	apiHandler.RegisterLogsRoutes(r, am)
 	apiHandler.RegisterIntegrationRoutes(r, am)
 	apiHandler.RegisterCloudIntegrationsRoutes(r, am)
+	apiHandler.RegisterFieldsRoutes(r, am)
 	apiHandler.RegisterQueryRangeV3Routes(r, am)
 	apiHandler.RegisterInfraMetricsRoutes(r, am)
 	apiHandler.RegisterQueryRangeV4Routes(r, am)

frontend/src/container/DashboardContainer/DashboardVariablesSelection/CustomVariableInput.tsx

@@ -0,0 +1,53 @@
+import { memo, useMemo } from 'react';
+import { commaValuesParser } from 'lib/dashbaordVariables/customCommaValuesParser';
+import sortValues from 'lib/dashbaordVariables/sortVariableValues';
+
+import SelectVariableInput from './SelectVariableInput';
+import { useDashboardVariableSelectHelper } from './useDashboardVariableSelectHelper';
+import { VariableItemProps } from './VariableItem';
+
+type CustomVariableInputProps = Pick<
+	VariableItemProps,
+	'variableData' | 'onValueUpdate'
+>;
+
+function CustomVariableInput({
+	variableData,
+	onValueUpdate,
+}: CustomVariableInputProps): JSX.Element {
+	const optionsData: (string | number | boolean)[] = useMemo(() => {
+		return sortValues(
+			commaValuesParser(variableData.customValue || ''),
+			variableData.sort,
+		) as (string | number | boolean)[];
+	}, [variableData.customValue, variableData.sort]);
+
+	const {
+		value,
+		defaultValue,
+		enableSelectAll,
+		onChange,
+		onDropdownVisibleChange,
+		handleClear,
+	} = useDashboardVariableSelectHelper({
+		variableData,
+		optionsData,
+		onValueUpdate,
+	});
+
+	return (
+		<SelectVariableInput
+			variableId={variableData.id}
+			options={optionsData}
+			value={value}
+			onChange={onChange}
+			onDropdownVisibleChange={onDropdownVisibleChange}
+			onClear={handleClear}
+			enableSelectAll={enableSelectAll}
+			defaultValue={defaultValue}
+			isMultiSelect={variableData.multiSelect}
+		/>
+	);
+}
+
+export default memo(CustomVariableInput);

frontend/src/container/DashboardContainer/DashboardVariablesSelection/DashboardVariableSelection.styles.scss

@@ -25,12 +25,6 @@
 		}
 	}
 
-	&.focused {
-		.variable-value {
-			outline: 1px solid var(--bg-robin-400);
-		}
-	}
-
 	.variable-value {
 		display: flex;
 		min-width: 120px;
@@ -48,6 +42,11 @@
 		font-style: normal;
 		font-weight: 400;
 		line-height: 16px; /* 133.333% */
+
+		&:hover,
+		&:focus-within {
+			outline: 1px solid var(--bg-robin-400);
+		}
 	}
 
 	.variable-select {
@@ -99,12 +98,6 @@
 
 .lightMode {
 	.variable-item {
-		&.focused {
-			.variable-value {
-				border: 1px solid var(--bg-robin-400);
-			}
-		}
-
 		.variable-name {
 			border: 1px solid var(--bg-vanilla-300);
 			background: var(--bg-vanilla-100);
@@ -115,6 +108,11 @@
 			border: 1px solid var(--bg-vanilla-300);
 			background: var(--bg-vanilla-100);
 			color: var(--bg-ink-400);
+
+			&:hover,
+			&:focus-within {
+				outline: 1px solid var(--bg-robin-400);
+			}
 		}
 	}
 }
@@ -124,3 +122,9 @@
 	padding: 4px 12px;
 	font-size: 12px;
 }
+
+.dashboard-variables-selection-container {
+	display: flex;
+	flex-wrap: wrap;
+	gap: 12px;
+}

frontend/src/container/DashboardContainer/DashboardVariablesSelection/DashboardVariableSelection.tsx

@@ -1,4 +1,4 @@
-import { memo, useEffect } from 'react';
+import { memo, useCallback, useEffect, useMemo } from 'react';
 import { useSelector } from 'react-redux';
 import { Row } from 'antd';
 import { ALL_SELECTED_VALUE } from 'components/NewSelect/utils';
@@ -7,7 +7,6 @@ import {
 	useDashboardVariablesSelector,
 } from 'hooks/dashboard/useDashboardVariables';
 import useVariablesFromUrl from 'hooks/dashboard/useVariablesFromUrl';
-import { isEmpty } from 'lodash-es';
 import { useDashboard } from 'providers/Dashboard/Dashboard';
 import { initializeDefaultVariables } from 'providers/Dashboard/initializeDefaultVariables';
 import { AppState } from 'store/reducers';
@@ -22,7 +21,6 @@ import './DashboardVariableSelection.styles.scss';
 
 function DashboardVariableSelection(): JSX.Element | null {
 	const {
-		selectedDashboard,
 		setSelectedDashboard,
 		updateLocalStorageDashboardVariables,
 		variablesToGetUpdated,
@@ -52,34 +50,36 @@ function DashboardVariableSelection(): JSX.Element | null {
 		);
 	}, [getUrlVariables, updateUrlVariable, dashboardVariables]);
 
-	// this handles the case where the dependency order changes i.e. variable list updated via creation or deletion etc. and we need to refetch the variables
-	// also trigger when the global time changes
-	useEffect(
-		() => {
-			if (!isEmpty(dependencyData?.order)) {
-				setVariablesToGetUpdated(dependencyData?.order || []);
-			}
-		},
-		// eslint-disable-next-line react-hooks/exhaustive-deps
-		[JSON.stringify(dependencyData?.order), minTime, maxTime],
+	// Memoize the order key to avoid unnecessary triggers
+	const dependencyOrderKey = useMemo(
+		() => dependencyData?.order?.join(',') ?? '',
+		[dependencyData?.order],
 	);
 
+	// Trigger refetch when dependency order changes or global time changes
+	useEffect(() => {
+		if (dependencyData?.order && dependencyData.order.length > 0) {
+			setVariablesToGetUpdated(dependencyData?.order || []);
+		}
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+	}, [dependencyOrderKey, minTime, maxTime]);
+
 	// Performance optimization: For dynamic variables with allSelected=true, we don't store
 	// individual values in localStorage since we can always derive them from available options.
 	// This makes localStorage much lighter and more efficient.
-	const onValueUpdate = (
-		name: string,
-		id: string,
-		value: IDashboardVariable['selectedValue'],
-		allSelected: boolean,
-		haveCustomValuesSelected?: boolean,
-		// eslint-disable-next-line sonarjs/cognitive-complexity
-	): void => {
-		if (id) {
+	const onValueUpdate = useCallback(
+		(
+			name: string,
+			id: string,
+			value: IDashboardVariable['selectedValue'],
+			allSelected: boolean,
+			haveCustomValuesSelected?: boolean,
+			// eslint-disable-next-line sonarjs/cognitive-complexity
+		): void => {
 			// For dynamic variables, only store in localStorage when NOT allSelected
 			// This makes localStorage much lighter by avoiding storing all individual values
-			const variable = dashboardVariables?.[id] || dashboardVariables?.[name];
-			const isDynamic = variable?.type === 'DYNAMIC';
+			const variable = dashboardVariables[id] || dashboardVariables[name];
+			const isDynamic = variable.type === 'DYNAMIC';
 			updateLocalStorageDashboardVariables(name, value, allSelected, isDynamic);
 
 			if (allSelected) {
@@ -88,41 +88,39 @@ function DashboardVariableSelection(): JSX.Element | null {
 				updateUrlVariable(name || id, value);
 			}
 
-			if (selectedDashboard) {
-				setSelectedDashboard((prev) => {
-					if (prev) {
-						const oldVariables = prev?.data.variables;
-						// this is added to handle case where we have two different
-						// schemas for variable response
-						if (oldVariables?.[id]) {
-							oldVariables[id] = {
-								...oldVariables[id],
-								selectedValue: value,
-								allSelected,
-								haveCustomValuesSelected,
-							};
-						}
-						if (oldVariables?.[name]) {
-							oldVariables[name] = {
-								...oldVariables[name],
-								selectedValue: value,
-								allSelected,
-								haveCustomValuesSelected,
-							};
-						}
-						return {
-							...prev,
-							data: {
-								...prev?.data,
-								variables: {
-									...oldVariables,
-								},
-							},
+			setSelectedDashboard((prev) => {
+				if (prev) {
+					const oldVariables = { ...prev?.data.variables };
+					// this is added to handle case where we have two different
+					// schemas for variable response
+					if (oldVariables?.[id]) {
+						oldVariables[id] = {
+							...oldVariables[id],
+							selectedValue: value,
+							allSelected,
+							haveCustomValuesSelected,
 						};
 					}
-					return prev;
-				});
-			}
+					if (oldVariables?.[name]) {
+						oldVariables[name] = {
+							...oldVariables[name],
+							selectedValue: value,
+							allSelected,
+							haveCustomValuesSelected,
+						};
+					}
+					return {
+						...prev,
+						data: {
+							...prev?.data,
+							variables: {
+								...oldVariables,
+							},
+						},
+					};
+				}
+				return prev;
+			});
 
 			if (dependencyData) {
 				const updatedVariables: string[] = [];
@@ -138,11 +136,20 @@ function DashboardVariableSelection(): JSX.Element | null {
 			} else {
 				setVariablesToGetUpdated((prev) => prev.filter((v) => v !== name));
 			}
-		}
-	};
+		},
+		[
+			// This can be removed
+			dashboardVariables,
+			updateLocalStorageDashboardVariables,
+			dependencyData,
+			updateUrlVariable,
+			setSelectedDashboard,
+			setVariablesToGetUpdated,
+		],
+	);
 
 	return (
-		<Row style={{ display: 'flex', gap: '12px' }}>
+		<Row className="dashboard-variables-selection-container">
 			{sortedVariablesArray.map((variable) => {
 				const key = `${variable.name}${variable.id}${variable.order}`;
 

frontend/src/container/DashboardContainer/DashboardVariablesSelection/DynamicVariableSelection.tsx

@@ -23,9 +23,9 @@ import { SelectItemStyle } from './styles';
 import {
 	areArraysEqual,
 	getOptionsForDynamicVariable,
+	getSelectValue,
 	uniqueValues,
 } from './util';
-import { getSelectValue } from './VariableItem';
 
 import './DashboardVariableSelection.styles.scss';
 

frontend/src/container/DashboardContainer/DashboardVariablesSelection/QueryVariableInput.tsx

@@ -0,0 +1,229 @@
+import { memo, useCallback, useState } from 'react';
+import { useQuery } from 'react-query';
+import { useSelector } from 'react-redux';
+import dashboardVariablesQuery from 'api/dashboard/variables/dashboardVariablesQuery';
+import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
+import sortValues from 'lib/dashbaordVariables/sortVariableValues';
+import { isArray, isString } from 'lodash-es';
+import { IDependencyData } from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreTypes';
+import { AppState } from 'store/reducers';
+import { IDashboardVariable } from 'types/api/dashboard/getAll';
+import { VariableResponseProps } from 'types/api/dashboard/variables/query';
+import { GlobalReducer } from 'types/reducer/globalTime';
+
+import { variablePropsToPayloadVariables } from '../utils';
+import SelectVariableInput from './SelectVariableInput';
+import { useDashboardVariableSelectHelper } from './useDashboardVariableSelectHelper';
+import { areArraysEqual, checkAPIInvocation } from './util';
+
+interface QueryVariableInputProps {
+	variableData: IDashboardVariable;
+	existingVariables: Record<string, IDashboardVariable>;
+	onValueUpdate: (
+		name: string,
+		id: string,
+		value: IDashboardVariable['selectedValue'],
+		allSelected: boolean,
+	) => void;
+	variablesToGetUpdated: string[];
+	setVariablesToGetUpdated: React.Dispatch<React.SetStateAction<string[]>>;
+	dependencyData: IDependencyData | null;
+}
+
+function QueryVariableInput({
+	variableData,
+	existingVariables,
+	variablesToGetUpdated,
+	setVariablesToGetUpdated,
+	dependencyData,
+	onValueUpdate,
+}: QueryVariableInputProps): JSX.Element {
+	const [optionsData, setOptionsData] = useState<(string | number | boolean)[]>(
+		[],
+	);
+	const [errorMessage, setErrorMessage] = useState<null | string>(null);
+
+	const { maxTime, minTime } = useSelector<AppState, GlobalReducer>(
+		(state) => state.globalTime,
+	);
+
+	const {
+		tempSelection,
+		setTempSelection,
+		value,
+		defaultValue,
+		enableSelectAll,
+		onChange,
+		onDropdownVisibleChange,
+		handleClear,
+	} = useDashboardVariableSelectHelper({
+		variableData,
+		optionsData,
+		onValueUpdate,
+	});
+
+	const validVariableUpdate = (): boolean => {
+		if (!variableData.name) {
+			return false;
+		}
+		return Boolean(
+			variablesToGetUpdated.length &&
+				variablesToGetUpdated[0] === variableData.name,
+		);
+	};
+
+	// eslint-disable-next-line sonarjs/cognitive-complexity
+	const getOptions = (variablesRes: VariableResponseProps | null): void => {
+		try {
+			setErrorMessage(null);
+
+			if (
+				variablesRes?.variableValues &&
+				Array.isArray(variablesRes?.variableValues)
+			) {
+				const newOptionsData = sortValues(
+					variablesRes?.variableValues,
+					variableData.sort,
+				);
+
+				const oldOptionsData = sortValues(optionsData, variableData.sort) as never;
+
+				if (!areArraysEqual(newOptionsData, oldOptionsData)) {
+					let valueNotInList = false;
+
+					if (isArray(variableData.selectedValue)) {
+						variableData.selectedValue.forEach((val) => {
+							if (!newOptionsData.includes(val)) {
+								valueNotInList = true;
+							}
+						});
+					} else if (
+						isString(variableData.selectedValue) &&
+						!newOptionsData.includes(variableData.selectedValue)
+					) {
+						valueNotInList = true;
+					}
+
+					// variablesData.allSelected is added for the case where on change of options we need to update the
+					// local storage
+					if (
+						variableData.name &&
+						(validVariableUpdate() || valueNotInList || variableData.allSelected)
+					) {
+						if (
+							variableData.allSelected &&
+							variableData.multiSelect &&
+							variableData.showALLOption
+						) {
+							onValueUpdate(variableData.name, variableData.id, newOptionsData, true);
+
+							// Update tempSelection to maintain ALL state when dropdown is open
+							if (tempSelection !== undefined) {
+								setTempSelection(newOptionsData.map((option) => option.toString()));
+							}
+						} else {
+							const value = variableData.selectedValue;
+							let allSelected = false;
+
+							if (variableData.multiSelect) {
+								const { selectedValue } = variableData;
+								allSelected =
+									newOptionsData.length > 0 &&
+									Array.isArray(selectedValue) &&
+									newOptionsData.every((option) => selectedValue.includes(option));
+							}
+
+							if (variableData.name && variableData.id) {
+								onValueUpdate(variableData.name, variableData.id, value, allSelected);
+							}
+						}
+					}
+
+					setOptionsData(newOptionsData);
+				} else {
+					setVariablesToGetUpdated((prev) =>
+						prev.filter((name) => name !== variableData.name),
+					);
+				}
+			}
+		} catch (e) {
+			console.error(e);
+		}
+	};
+
+	const { isLoading, refetch } = useQuery(
+		[
+			REACT_QUERY_KEY.DASHBOARD_BY_ID,
+			variableData.name || '',
+			`${minTime}`,
+			`${maxTime}`,
+			JSON.stringify(dependencyData?.order),
+		],
+		{
+			enabled:
+				variableData &&
+				variableData.type === 'QUERY' &&
+				checkAPIInvocation(
+					variablesToGetUpdated,
+					variableData,
+					dependencyData?.parentDependencyGraph,
+				),
+			queryFn: () =>
+				dashboardVariablesQuery({
+					query: variableData.queryValue || '',
+					variables: variablePropsToPayloadVariables(existingVariables),
+				}),
+			refetchOnWindowFocus: false,
+			onSuccess: (response) => {
+				getOptions(response.payload);
+				setVariablesToGetUpdated((prev) =>
+					prev.filter((v) => v !== variableData.name),
+				);
+			},
+			onError: (error: {
+				details: {
+					error: string;
+				};
+			}) => {
+				const { details } = error;
+
+				if (details.error) {
+					let message = details.error;
+					if ((details.error ?? '').toString().includes('Syntax error:')) {
+						message =
+							'Please make sure query is valid and dependent variables are selected';
+					}
+					setErrorMessage(message);
+				}
+				setVariablesToGetUpdated((prev) =>
+					prev.filter((v) => v !== variableData.name),
+				);
+			},
+		},
+	);
+
+	const handleRetry = useCallback((): void => {
+		setErrorMessage(null);
+		refetch();
+	}, [refetch]);
+
+	return (
+		<SelectVariableInput
+			variableId={variableData.id}
+			options={optionsData}
+			value={value}
+			onChange={onChange}
+			onDropdownVisibleChange={onDropdownVisibleChange}
+			onClear={handleClear}
+			enableSelectAll={enableSelectAll}
+			defaultValue={defaultValue}
+			isMultiSelect={variableData.multiSelect}
+			// query variable specific, API related props
+			loading={isLoading}
+			errorMessage={errorMessage}
+			onRetry={handleRetry}
+		/>
+	);
+}
+
+export default memo(QueryVariableInput);

frontend/src/container/DashboardContainer/DashboardVariablesSelection/SelectVariableInput.tsx

@@ -0,0 +1,134 @@
+import { memo, useMemo } from 'react';
+import { orange } from '@ant-design/colors';
+import { WarningOutlined } from '@ant-design/icons';
+import { Popover, Tooltip, Typography } from 'antd';
+import { CustomMultiSelect, CustomSelect } from 'components/NewSelect';
+import { popupContainer } from 'utils/selectPopupContainer';
+
+import { ALL_SELECT_VALUE } from '../utils';
+import { SelectItemStyle } from './styles';
+
+const errorIconStyle = { margin: '0 0.5rem' };
+
+interface SelectVariableInputProps {
+	variableId: string;
+	options: (string | number | boolean)[];
+	value: string | string[] | undefined;
+	enableSelectAll: boolean;
+	isMultiSelect: boolean;
+	onChange: (value: string | string[]) => void;
+	onClear: () => void;
+	defaultValue?: string | string[];
+	onDropdownVisibleChange?: (visible: boolean) => void;
+	loading?: boolean;
+	errorMessage?: string | null;
+	onRetry?: () => void;
+}
+
+const MAX_TAG_DISPLAY_VALUES = 10;
+
+function maxTagPlaceholder(
+	omittedValues: { label?: React.ReactNode; value?: string | number }[],
+): JSX.Element {
+	const valuesToShow = omittedValues.slice(0, MAX_TAG_DISPLAY_VALUES);
+	const hasMore = omittedValues.length > MAX_TAG_DISPLAY_VALUES;
+	const tooltipText =
+		valuesToShow.map(({ value: v }) => v ?? '').join(', ') +
+		(hasMore ? ` + ${omittedValues.length - MAX_TAG_DISPLAY_VALUES} more` : '');
+
+	return (
+		<Tooltip title={tooltipText}>
+			<span>+ {omittedValues.length} </span>
+		</Tooltip>
+	);
+}
+
+function SelectVariableInput({
+	variableId,
+	options,
+	value,
+	onChange,
+	onDropdownVisibleChange,
+	onClear,
+	loading,
+	errorMessage,
+	onRetry,
+	enableSelectAll,
+	isMultiSelect,
+	defaultValue,
+}: SelectVariableInputProps): JSX.Element {
+	const selectOptions = useMemo(
+		() =>
+			options.map((option) => ({
+				label: option.toString(),
+				value: option.toString(),
+			})),
+		[options],
+	);
+
+	const commonProps = useMemo(
+		() => ({
+			// main props
+			key: variableId,
+			value,
+			defaultValue,
+
+			// setup props
+			placeholder: 'Select value',
+			className: 'variable-select',
+			popupClassName: 'dropdown-styles',
+			getPopupContainer: popupContainer,
+			style: SelectItemStyle,
+			showSearch: true,
+			bordered: false,
+
+			// dynamic props
+			'data-testid': 'variable-select',
+			onChange,
+			loading,
+			options: selectOptions,
+			errorMessage,
+			onRetry,
+		}),
+		[
+			variableId,
+			defaultValue,
+			onChange,
+			loading,
+			selectOptions,
+			value,
+			errorMessage,
+			onRetry,
+		],
+	);
+
+	return (
+		<>
+			{isMultiSelect ? (
+				<CustomMultiSelect
+					{...commonProps}
+					placement="bottomLeft"
+					maxTagCount={2}
+					onDropdownVisibleChange={onDropdownVisibleChange}
+					maxTagPlaceholder={maxTagPlaceholder}
+					onClear={onClear}
+					enableAllSelection={enableSelectAll}
+					maxTagTextLength={30}
+					allowClear={value !== ALL_SELECT_VALUE && value !== 'ALL'}
+				/>
+			) : (
+				<CustomSelect {...commonProps} />
+			)}
+
+			{errorMessage && (
+				<span style={errorIconStyle}>
+					<Popover placement="top" content={<Typography>{errorMessage}</Typography>}>
+						<WarningOutlined style={{ color: orange[5] }} />
+					</Popover>
+				</span>
+			)}
+		</>
+	);
+}
+
+export default memo(SelectVariableInput);

frontend/src/container/DashboardContainer/DashboardVariablesSelection/TextboxVariableInput.tsx

@@ -0,0 +1,85 @@
+import { memo, useCallback, useRef, useState } from 'react';
+import { Input, InputRef } from 'antd';
+
+import { VariableItemProps } from './VariableItem';
+
+type TextboxVariableInputProps = Pick<
+	VariableItemProps,
+	'variableData' | 'onValueUpdate'
+>;
+
+function TextboxVariableInput({
+	variableData,
+	onValueUpdate,
+}: TextboxVariableInputProps): JSX.Element {
+	const handleChange = useCallback(
+		(inputValue: string | string[]): void => {
+			if (inputValue === variableData.selectedValue) {
+				return;
+			}
+			if (variableData.name) {
+				onValueUpdate(variableData.name, variableData.id, inputValue, false);
+			}
+		},
+		[
+			onValueUpdate,
+			variableData.id,
+			variableData.name,
+			variableData.selectedValue,
+		],
+	);
+
+	const textboxInputRef = useRef<InputRef>(null);
+	const [textboxInputValue, setTextboxInputValue] = useState<string>(
+		(variableData.selectedValue?.toString() ||
+			variableData.defaultValue?.toString()) ??
+			'',
+	);
+
+	const handleInputOnChange = useCallback(
+		(event: React.ChangeEvent<HTMLInputElement>) => {
+			setTextboxInputValue(event.target.value);
+		},
+		[setTextboxInputValue],
+	);
+
+	const handleInputOnBlur = useCallback(
+		(event: React.FocusEvent<HTMLInputElement>): void => {
+			const value = event.target.value.trim();
+			// If empty, reset to default value
+			if (!value && variableData.defaultValue) {
+				setTextboxInputValue(variableData.defaultValue.toString());
+				handleChange(variableData.defaultValue.toString());
+			} else {
+				handleChange(value);
+			}
+		},
+		[handleChange, variableData.defaultValue],
+	);
+
+	const handleInputOnKeyDown = useCallback(
+		(event: React.KeyboardEvent<HTMLInputElement>): void => {
+			if (event.key === 'Enter') {
+				textboxInputRef.current?.blur();
+			}
+		},
+		[],
+	);
+
+	return (
+		<Input
+			key={variableData.id}
+			ref={textboxInputRef}
+			placeholder="Enter value"
+			data-testid={`variable-textbox-${variableData.id}`}
+			bordered={false}
+			value={textboxInputValue}
+			title={textboxInputValue}
+			onChange={handleInputOnChange}
+			onBlur={handleInputOnBlur}
+			onKeyDown={handleInputOnKeyDown}
+		/>
+	);
+}
+
+export default memo(TextboxVariableInput);

frontend/src/container/DashboardContainer/DashboardVariablesSelection/VariableItem.tsx

@@ -1,35 +1,16 @@
-/* eslint-disable sonarjs/cognitive-complexity */
-/* eslint-disable jsx-a11y/click-events-have-key-events */
-/* eslint-disable jsx-a11y/no-static-element-interactions */
-/* eslint-disable @typescript-eslint/no-explicit-any */
-/* eslint-disable react/jsx-props-no-spreading */
-/* eslint-disable no-nested-ternary */
-import { memo, useCallback, useEffect, useMemo, useRef, useState } from 'react';
-import { useQuery } from 'react-query';
-import { useSelector } from 'react-redux';
-import { orange } from '@ant-design/colors';
-import { InfoCircleOutlined, WarningOutlined } from '@ant-design/icons';
-import { Input, InputRef, Popover, Tooltip, Typography } from 'antd';
-import dashboardVariablesQuery from 'api/dashboard/variables/dashboardVariablesQuery';
-import { CustomMultiSelect, CustomSelect } from 'components/NewSelect';
-import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
-import { commaValuesParser } from 'lib/dashbaordVariables/customCommaValuesParser';
-import sortValues from 'lib/dashbaordVariables/sortVariableValues';
-import { debounce, isArray, isEmpty, isString } from 'lodash-es';
+import { memo } from 'react';
+import { InfoCircleOutlined } from '@ant-design/icons';
+import { Tooltip, Typography } from 'antd';
 import { IDependencyData } from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreTypes';
-import { AppState } from 'store/reducers';
 import { IDashboardVariable } from 'types/api/dashboard/getAll';
-import { VariableResponseProps } from 'types/api/dashboard/variables/query';
-import { GlobalReducer } from 'types/reducer/globalTime';
-import { popupContainer } from 'utils/selectPopupContainer';
 
-import { ALL_SELECT_VALUE, variablePropsToPayloadVariables } from '../utils';
-import { SelectItemStyle } from './styles';
-import { areArraysEqual, checkAPIInvocation } from './util';
+import CustomVariableInput from './CustomVariableInput';
+import QueryVariableInput from './QueryVariableInput';
+import TextboxVariableInput from './TextboxVariableInput';
 
 import './DashboardVariableSelection.styles.scss';
 
-interface VariableItemProps {
+export interface VariableItemProps {
 	variableData: IDashboardVariable;
 	existingVariables: Record<string, IDashboardVariable>;
 	onValueUpdate: (
@@ -43,488 +24,49 @@ interface VariableItemProps {
 	dependencyData: IDependencyData | null;
 }
 
-export const getSelectValue = (
-	selectedValue: IDashboardVariable['selectedValue'],
-	variableData: IDashboardVariable,
-): string | string[] | undefined => {
-	if (Array.isArray(selectedValue)) {
-		if (!variableData.multiSelect && selectedValue.length === 1) {
-			return selectedValue[0]?.toString();
-		}
-		return selectedValue.map((item) => item.toString());
-	}
-	return selectedValue?.toString();
-};
-
-// eslint-disable-next-line sonarjs/cognitive-complexity
 function VariableItem({
 	variableData,
-	existingVariables,
 	onValueUpdate,
+	existingVariables,
 	variablesToGetUpdated,
 	setVariablesToGetUpdated,
 	dependencyData,
 }: VariableItemProps): JSX.Element {
-	const [optionsData, setOptionsData] = useState<(string | number | boolean)[]>(
-		[],
-	);
-	const [tempSelection, setTempSelection] = useState<
-		string | string[] | undefined
-	>(undefined);
-
-	// Local state for textbox input to ensure smooth editing experience
-	const [textboxInputValue, setTextboxInputValue] = useState<string>(
-		(variableData.selectedValue?.toString() ||
-			variableData.defaultValue?.toString()) ??
-			'',
-	);
-	const [isTextboxFocused, setIsTextboxFocused] = useState<boolean>(false);
-	const textboxInputRef = useRef<InputRef>(null);
-
-	const { maxTime, minTime } = useSelector<AppState, GlobalReducer>(
-		(state) => state.globalTime,
-	);
-
-	const validVariableUpdate = (): boolean => {
-		if (!variableData.name) {
-			return false;
-		}
-
-		// variableData.name is present as the top element or next in the queue - variablesToGetUpdated
-		return Boolean(
-			variablesToGetUpdated.length &&
-				variablesToGetUpdated[0] === variableData.name,
-		);
-	};
-
-	const [errorMessage, setErrorMessage] = useState<null | string>(null);
-
-	// eslint-disable-next-line sonarjs/cognitive-complexity
-	const getOptions = (variablesRes: VariableResponseProps | null): void => {
-		if (variablesRes && variableData.type === 'QUERY') {
-			try {
-				setErrorMessage(null);
-
-				if (
-					variablesRes?.variableValues &&
-					Array.isArray(variablesRes?.variableValues)
-				) {
-					const newOptionsData = sortValues(
-						variablesRes?.variableValues,
-						variableData.sort,
-					);
-
-					const oldOptionsData = sortValues(optionsData, variableData.sort) as never;
-
-					if (!areArraysEqual(newOptionsData, oldOptionsData)) {
-						/* eslint-disable no-useless-escape */
-
-						let valueNotInList = false;
-
-						if (isArray(variableData.selectedValue)) {
-							variableData.selectedValue.forEach((val) => {
-								const isUsed = newOptionsData.includes(val);
-
-								if (!isUsed) {
-									valueNotInList = true;
-								}
-							});
-						} else if (isString(variableData.selectedValue)) {
-							const isUsed = newOptionsData.includes(variableData.selectedValue);
-
-							if (!isUsed) {
-								valueNotInList = true;
-							}
-						}
-
-						// variablesData.allSelected is added for the case where on change of options we need to update the
-						// local storage
-						if (
-							variableData.type === 'QUERY' &&
-							variableData.name &&
-							(validVariableUpdate() || valueNotInList || variableData.allSelected)
-						) {
-							if (
-								variableData.allSelected &&
-								variableData.multiSelect &&
-								variableData.showALLOption
-							) {
-								onValueUpdate(variableData.name, variableData.id, newOptionsData, true);
-
-								// Update tempSelection to maintain ALL state when dropdown is open
-								if (tempSelection !== undefined) {
-									setTempSelection(newOptionsData.map((option) => option.toString()));
-								}
-							} else {
-								const value = variableData.selectedValue;
-								let allSelected = false;
-
-								if (variableData.multiSelect) {
-									const { selectedValue } = variableData;
-									allSelected =
-										newOptionsData.length > 0 &&
-										Array.isArray(selectedValue) &&
-										newOptionsData.every((option) => selectedValue.includes(option));
-								}
-
-								if (variableData && variableData?.name && variableData?.id) {
-									onValueUpdate(variableData.name, variableData.id, value, allSelected);
-								}
-							}
-						}
-
-						setOptionsData(newOptionsData);
-					} else {
-						setVariablesToGetUpdated((prev) =>
-							prev.filter((name) => name !== variableData.name),
-						);
-					}
-				}
-			} catch (e) {
-				console.error(e);
-			}
-		} else if (variableData.type === 'CUSTOM') {
-			const optionsData = sortValues(
-				commaValuesParser(variableData.customValue || ''),
-				variableData.sort,
-			) as never;
-
-			setOptionsData(optionsData);
-		}
-	};
-
-	const { isLoading, refetch } = useQuery(
-		[
-			REACT_QUERY_KEY.DASHBOARD_BY_ID,
-			variableData.name || '',
-			`${minTime}`,
-			`${maxTime}`,
-			JSON.stringify(dependencyData?.order),
-		],
-		{
-			enabled:
-				variableData &&
-				variableData.type === 'QUERY' &&
-				checkAPIInvocation(
-					variablesToGetUpdated,
-					variableData,
-					dependencyData?.parentDependencyGraph,
-				),
-			queryFn: () =>
-				dashboardVariablesQuery({
-					query: variableData.queryValue || '',
-					variables: variablePropsToPayloadVariables(existingVariables),
-				}),
-			refetchOnWindowFocus: false,
-			onSuccess: (response) => {
-				getOptions(response.payload);
-				setVariablesToGetUpdated((prev) =>
-					prev.filter((v) => v !== variableData.name),
-				);
-			},
-			onError: (error: {
-				details: {
-					error: string;
-				};
-			}) => {
-				const { details } = error;
-
-				if (details.error) {
-					let message = details.error;
-					if ((details.error ?? '').toString().includes('Syntax error:')) {
-						message =
-							'Please make sure query is valid and dependent variables are selected';
-					}
-					setErrorMessage(message);
-				}
-				setVariablesToGetUpdated((prev) =>
-					prev.filter((v) => v !== variableData.name),
-				);
-			},
-		},
-	);
-
-	const handleChange = useCallback(
-		(inputValue: string | string[]): void => {
-			const value = variableData.multiSelect && !inputValue ? [] : inputValue;
-
-			if (
-				value === variableData.selectedValue ||
-				(Array.isArray(value) &&
-					Array.isArray(variableData.selectedValue) &&
-					areArraysEqual(value, variableData.selectedValue))
-			) {
-				return;
-			}
-			if (variableData.name) {
-				// Check if ALL is effectively selected by comparing with available options
-				const isAllSelected =
-					Array.isArray(value) &&
-					value.length > 0 &&
-					optionsData.every((option) => value.includes(option.toString()));
-
-				if (isAllSelected && variableData.showALLOption) {
-					// For ALL selection, pass null to avoid storing values
-					onValueUpdate(variableData.name, variableData.id, optionsData, true);
-				} else {
-					onValueUpdate(variableData.name, variableData.id, value, false);
-				}
-			}
-		},
-		[
-			variableData.multiSelect,
-			variableData.selectedValue,
-			variableData.name,
-			variableData.id,
-			onValueUpdate,
-			optionsData,
-			variableData.showALLOption,
-		],
-	);
-
-	// Add a handler for tracking temporary selection changes
-	const handleTempChange = (inputValue: string | string[]): void => {
-		// Store the selection in temporary state while dropdown is open
-		const value = variableData.multiSelect && !inputValue ? [] : inputValue;
-		setTempSelection(value);
-	};
-
-	// Handle dropdown visibility changes
-	const handleDropdownVisibleChange = (visible: boolean): void => {
-		// Initialize temp selection when opening dropdown
-		if (visible) {
-			setTempSelection(getSelectValue(variableData.selectedValue, variableData));
-		}
-		// Apply changes when closing dropdown
-		else if (!visible && tempSelection !== undefined) {
-			// Call handleChange with the temporarily stored selection
-			handleChange(tempSelection);
-			setTempSelection(undefined);
-		}
-	};
-
-	// do not debounce the above function as we do not need debounce in select variables
-	const debouncedHandleChange = debounce(handleChange, 500);
-
-	const { selectedValue } = variableData;
-	const selectedValueStringified = useMemo(
-		() => getSelectValue(selectedValue, variableData),
-		[selectedValue, variableData],
-	);
-
-	const enableSelectAll = variableData.multiSelect && variableData.showALLOption;
-
-	const selectValue =
-		variableData.allSelected && enableSelectAll
-			? 'ALL'
-			: selectedValueStringified;
-
-	// Apply default value on first render if no selection exists
-	// eslint-disable-next-line sonarjs/cognitive-complexity
-	const finalSelectedValues = useMemo(() => {
-		if (variableData.multiSelect) {
-			let value = tempSelection || selectedValue;
-			if (isEmpty(value)) {
-				if (variableData.showALLOption) {
-					if (variableData.defaultValue) {
-						value = variableData.defaultValue;
-					} else {
-						value = optionsData;
-					}
-				} else if (variableData.defaultValue) {
-					value = variableData.defaultValue;
-				} else {
-					value = optionsData?.[0];
-				}
-			}
-
-			return value;
-		}
-		if (isEmpty(selectedValue)) {
-			if (variableData.defaultValue) {
-				return variableData.defaultValue;
-			}
-			return optionsData[0]?.toString();
-		}
-
-		return selectedValue;
-	}, [
-		variableData.multiSelect,
-		variableData.showALLOption,
-		variableData.defaultValue,
-		selectedValue,
-		tempSelection,
-		optionsData,
-	]);
-
-	useEffect(() => {
-		if (
-			(variableData.multiSelect && !(tempSelection || selectValue)) ||
-			isEmpty(selectValue)
-		) {
-			handleChange(finalSelectedValues as string[] | string);
-		}
-	}, [
-		finalSelectedValues,
-		handleChange,
-		selectValue,
-		tempSelection,
-		variableData.multiSelect,
-	]);
-
-	useEffect(() => {
-		// Fetch options for CUSTOM Type
-		if (variableData.type === 'CUSTOM') {
-			getOptions(null);
-		}
-		// eslint-disable-next-line react-hooks/exhaustive-deps
-	}, [variableData.type, variableData.customValue]);
+	const { name, description, type: variableType } = variableData;
 
 	return (
-		<div className={`variable-item${isTextboxFocused ? ' focused' : ''}`}>
+		<div className="variable-item">
 			<Typography.Text className="variable-name" ellipsis>
-				${variableData.name}
-				{variableData.description && (
-					<Tooltip title={variableData.description}>
+				${name}
+				{description && (
+					<Tooltip title={description}>
 						<InfoCircleOutlined className="info-icon" />
 					</Tooltip>
 				)}
 			</Typography.Text>
 
 			<div className="variable-value">
-				{variableData.type === 'TEXTBOX' ? (
-					<Input
-						ref={textboxInputRef}
-						placeholder="Enter value"
-						data-testid={`variable-textbox-${variableData.id}`}
-						bordered={false}
-						value={textboxInputValue}
-						title={textboxInputValue}
-						onChange={(e): void => {
-							setTextboxInputValue(e.target.value);
-						}}
-						onFocus={(): void => {
-							setIsTextboxFocused(true);
-						}}
-						onBlur={(e): void => {
-							setIsTextboxFocused(false);
-							const value = e.target.value.trim();
-							// If empty, reset to default value
-							if (!value && variableData.defaultValue) {
-								setTextboxInputValue(variableData.defaultValue.toString());
-								debouncedHandleChange(variableData.defaultValue.toString());
-							} else {
-								debouncedHandleChange(value);
-							}
-						}}
-						onKeyDown={(e): void => {
-							if (e.key === 'Enter') {
-								const value = textboxInputValue.trim();
-								if (!value && variableData.defaultValue) {
-									setTextboxInputValue(variableData.defaultValue.toString());
-									debouncedHandleChange(variableData.defaultValue.toString());
-								} else {
-									debouncedHandleChange(value);
-								}
-								textboxInputRef.current?.blur();
-							}
-						}}
+				{variableType === 'TEXTBOX' && (
+					<TextboxVariableInput
+						variableData={variableData}
+						onValueUpdate={onValueUpdate}
 					/>
-				) : (
-					optionsData &&
-					(variableData.multiSelect ? (
-						<CustomMultiSelect
-							key={
-								selectValue && Array.isArray(selectValue)
-									? selectValue.join(' ')
-									: selectValue || variableData.id
-							}
-							options={optionsData.map((option) => ({
-								label: option.toString(),
-								value: option.toString(),
-							}))}
-							defaultValue={variableData.defaultValue || selectValue}
-							onChange={handleTempChange}
-							bordered={false}
-							placeholder="Select value"
-							placement="bottomLeft"
-							style={SelectItemStyle}
-							loading={isLoading}
-							showSearch
-							data-testid="variable-select"
-							className="variable-select"
-							popupClassName="dropdown-styles"
-							maxTagCount={2}
-							getPopupContainer={popupContainer}
-							value={tempSelection || selectValue}
-							onDropdownVisibleChange={handleDropdownVisibleChange}
-							errorMessage={errorMessage}
-							// eslint-disable-next-line react/no-unstable-nested-components
-							maxTagPlaceholder={(omittedValues): JSX.Element => {
-								const maxDisplayValues = 10;
-								const valuesToShow = omittedValues.slice(0, maxDisplayValues);
-								const hasMore = omittedValues.length > maxDisplayValues;
-								const tooltipText =
-									valuesToShow.map(({ value }) => value).join(', ') +
-									(hasMore ? ` + ${omittedValues.length - maxDisplayValues} more` : '');
-
-								return (
-									<Tooltip title={tooltipText}>
-										<span>+ {omittedValues.length} </span>
-									</Tooltip>
-								);
-							}}
-							onClear={(): void => {
-								handleChange([]);
-							}}
-							enableAllSelection={enableSelectAll}
-							maxTagTextLength={30}
-							allowClear={selectValue !== ALL_SELECT_VALUE && selectValue !== 'ALL'}
-							onRetry={(): void => {
-								setErrorMessage(null);
-								refetch();
-							}}
-						/>
-					) : (
-						<CustomSelect
-							key={
-								selectValue && Array.isArray(selectValue)
-									? selectValue.join(' ')
-									: selectValue || variableData.id
-							}
-							defaultValue={variableData.defaultValue || selectValue}
-							onChange={handleChange}
-							bordered={false}
-							placeholder="Select value"
-							style={SelectItemStyle}
-							loading={isLoading}
-							showSearch
-							data-testid="variable-select"
-							className="variable-select"
-							popupClassName="dropdown-styles"
-							getPopupContainer={popupContainer}
-							options={optionsData.map((option) => ({
-								label: option.toString(),
-								value: option.toString(),
-							}))}
-							value={selectValue}
-							errorMessage={errorMessage}
-							onRetry={(): void => {
-								setErrorMessage(null);
-								refetch();
-							}}
-						/>
-					))
 				)}
-				{variableData.type !== 'TEXTBOX' && errorMessage && (
-					<span style={{ margin: '0 0.5rem' }}>
-						<Popover
-							placement="top"
-							content={<Typography>{errorMessage}</Typography>}
-						>
-							<WarningOutlined style={{ color: orange[5] }} />
-						</Popover>
-					</span>
+				{variableType === 'CUSTOM' && (
+					<CustomVariableInput
+						variableData={variableData}
+						onValueUpdate={onValueUpdate}
+					/>
+				)}
+				{variableType === 'QUERY' && (
+					<QueryVariableInput
+						variableData={variableData}
+						onValueUpdate={onValueUpdate}
+						existingVariables={existingVariables}
+						variablesToGetUpdated={variablesToGetUpdated}
+						setVariablesToGetUpdated={setVariablesToGetUpdated}
+						dependencyData={dependencyData}
+					/>
 				)}
 			</div>
 		</div>

frontend/src/container/DashboardContainer/DashboardVariablesSelection/useDashboardVariableSelectHelper.ts

@@ -0,0 +1,201 @@
+import { useCallback, useEffect, useMemo, useState } from 'react';
+import { isEmpty } from 'lodash-es';
+import { IDashboardVariable } from 'types/api/dashboard/getAll';
+
+import { areArraysEqual, getSelectValue } from './util';
+
+interface UseDashboardVariableSelectHelperParams {
+	variableData: IDashboardVariable;
+	optionsData: (string | number | boolean)[];
+	onValueUpdate: (
+		name: string,
+		id: string,
+		value: IDashboardVariable['selectedValue'],
+		allSelected: boolean,
+	) => void;
+}
+
+interface UseDashboardVariableSelectHelperReturn {
+	// State
+	tempSelection: string | string[] | undefined;
+	setTempSelection: React.Dispatch<
+		React.SetStateAction<string | string[] | undefined>
+	>;
+	value: string | string[] | undefined;
+	defaultValue: string | string[] | undefined;
+
+	// Derived values
+	enableSelectAll: boolean;
+
+	// Handlers
+	onChange: (value: string | string[]) => void;
+	onDropdownVisibleChange: (visible: boolean) => void;
+	handleClear: () => void;
+}
+
+// eslint-disable-next-line sonarjs/cognitive-complexity
+export function useDashboardVariableSelectHelper({
+	variableData,
+	optionsData,
+	onValueUpdate,
+}: UseDashboardVariableSelectHelperParams): UseDashboardVariableSelectHelperReturn {
+	const { selectedValue } = variableData;
+
+	const [tempSelection, setTempSelection] = useState<
+		string | string[] | undefined
+	>(undefined);
+
+	const selectedValueStringified = useMemo(
+		() => getSelectValue(selectedValue, variableData),
+		[selectedValue, variableData],
+	);
+
+	const enableSelectAll = variableData.multiSelect && variableData.showALLOption;
+
+	const selectValue =
+		variableData.allSelected && enableSelectAll
+			? 'ALL'
+			: selectedValueStringified;
+
+	const handleChange = useCallback(
+		(inputValue: string | string[]): void => {
+			const value = variableData.multiSelect && !inputValue ? [] : inputValue;
+
+			if (
+				value === variableData.selectedValue ||
+				(Array.isArray(value) &&
+					Array.isArray(variableData.selectedValue) &&
+					areArraysEqual(value, variableData.selectedValue))
+			) {
+				return;
+			}
+			if (variableData.name) {
+				// Check if ALL is effectively selected by comparing with available options
+				const isAllSelected =
+					Array.isArray(value) &&
+					value.length > 0 &&
+					optionsData.every((option) => value.includes(option.toString()));
+
+				if (isAllSelected && variableData.showALLOption) {
+					// For ALL selection, pass optionsData as the value and set allSelected to true
+					onValueUpdate(variableData.name, variableData.id, optionsData, true);
+				} else {
+					onValueUpdate(variableData.name, variableData.id, value, false);
+				}
+			}
+		},
+		[
+			variableData.multiSelect,
+			variableData.selectedValue,
+			variableData.name,
+			variableData.id,
+			variableData.showALLOption,
+			onValueUpdate,
+			optionsData,
+		],
+	);
+
+	const handleTempChange = useCallback(
+		(inputValue: string | string[]): void => {
+			// Store the selection in temporary state while dropdown is open
+			const value = variableData.multiSelect && !inputValue ? [] : inputValue;
+			setTempSelection(value);
+		},
+		[variableData.multiSelect],
+	);
+
+	// Apply default value on first render if no selection exists
+	const finalSelectedValues = useMemo(() => {
+		if (variableData.multiSelect) {
+			let value = tempSelection || selectedValue;
+			if (isEmpty(value)) {
+				if (variableData.showALLOption) {
+					if (variableData.defaultValue) {
+						value = variableData.defaultValue;
+					} else {
+						value = optionsData;
+					}
+				} else if (variableData.defaultValue) {
+					value = variableData.defaultValue;
+				} else {
+					value = optionsData?.[0];
+				}
+			}
+
+			return value;
+		}
+		if (isEmpty(selectedValue)) {
+			if (variableData.defaultValue) {
+				return variableData.defaultValue;
+			}
+			return optionsData[0]?.toString();
+		}
+
+		return selectedValue;
+	}, [
+		variableData.multiSelect,
+		variableData.showALLOption,
+		variableData.defaultValue,
+		selectedValue,
+		tempSelection,
+		optionsData,
+	]);
+
+	// Apply default values when needed
+	useEffect(() => {
+		if (
+			(variableData.multiSelect && !(tempSelection || selectValue)) ||
+			isEmpty(selectValue)
+		) {
+			handleChange(finalSelectedValues as string[] | string);
+		}
+	}, [
+		finalSelectedValues,
+		handleChange,
+		selectValue,
+		tempSelection,
+		variableData.multiSelect,
+	]);
+
+	// Handle dropdown visibility changes
+	const onDropdownVisibleChange = useCallback(
+		(visible: boolean): void => {
+			// Initialize temp selection when opening dropdown
+			if (visible) {
+				setTempSelection(getSelectValue(variableData.selectedValue, variableData));
+			}
+			// Apply changes when closing dropdown
+			else if (!visible && tempSelection !== undefined) {
+				// Call handleChange with the temporarily stored selection
+				handleChange(tempSelection);
+				setTempSelection(undefined);
+			}
+		},
+		[variableData, tempSelection, handleChange],
+	);
+
+	const handleClear = useCallback((): void => {
+		handleChange([]);
+	}, [handleChange]);
+
+	const value = variableData.multiSelect
+		? tempSelection || selectValue
+		: selectValue;
+
+	const defaultValue = variableData.defaultValue || selectValue;
+
+	const onChange = useMemo(() => {
+		return variableData.multiSelect ? handleTempChange : handleChange;
+	}, [variableData.multiSelect, handleTempChange, handleChange]);
+
+	return {
+		tempSelection,
+		setTempSelection,
+		enableSelectAll,
+		onDropdownVisibleChange,
+		handleClear,
+		value,
+		defaultValue,
+		onChange,
+	};
+}

frontend/src/container/DashboardContainer/DashboardVariablesSelection/util.ts

@@ -381,3 +381,16 @@ export const uniqueValues = (values: string[] | string): string[] | string => {
 
 	return values;
 };
+
+export const getSelectValue = (
+	selectedValue: IDashboardVariable['selectedValue'],
+	variableData: IDashboardVariable,
+): string | string[] | undefined => {
+	if (Array.isArray(selectedValue)) {
+		if (!variableData.multiSelect && selectedValue.length === 1) {
+			return selectedValue[0]?.toString();
+		}
+		return selectedValue.map((item) => item.toString());
+	}
+	return selectedValue?.toString();
+};

frontend/src/container/DashboardContainer/visualization/components/ChartManager/ChartManager.styles.scss

@@ -0,0 +1,21 @@
+.chart-manager-container {
+	width: 100%;
+	max-height: calc(40% - 40px);
+	display: flex;
+	flex-direction: column;
+	gap: 16px;
+
+	.chart-manager-header {
+		display: flex;
+		justify-content: space-between;
+		align-items: center;
+		gap: 16px;
+
+		.chart-manager-actions-container {
+			display: flex;
+			justify-content: flex-end;
+			align-items: center;
+			gap: 8px;
+		}
+	}
+}

frontend/src/container/DashboardContainer/visualization/components/ChartManager/ChartManager.tsx

@@ -0,0 +1,147 @@
+import { useCallback, useEffect, useMemo, useState } from 'react';
+import { Button, Input } from 'antd';
+import { ResizeTable } from 'components/ResizeTable';
+import { getGraphManagerTableColumns } from 'container/GridCardLayout/GridCard/FullView/TableRender/GraphManagerColumns';
+import { ExtendedChartDataset } from 'container/GridCardLayout/GridCard/FullView/types';
+import { getDefaultTableDataSet } from 'container/GridCardLayout/GridCard/FullView/utils';
+import { useNotifications } from 'hooks/useNotifications';
+import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
+import { usePlotContext } from 'lib/uPlotV2/context/PlotContext';
+import useLegendsSync from 'lib/uPlotV2/hooks/useLegendsSync';
+import { useDashboard } from 'providers/Dashboard/Dashboard';
+
+import './ChartManager.styles.scss';
+
+interface ChartManagerProps {
+	config: UPlotConfigBuilder;
+	alignedData: uPlot.AlignedData;
+	yAxisUnit?: string;
+	onCancel?: () => void;
+}
+
+/**
+ * ChartManager provides a tabular view to manage the visibility of
+ * individual series on a uPlot chart.
+ *
+ * It syncs with the legend state coming from the plot context and
+ * allows users to:
+ * - filter series by label
+ * - toggle individual series on/off
+ * - persist the visibility configuration to local storage.
+ *
+ * @param config - `UPlotConfigBuilder` instance used to derive chart options.
+ * @param alignedData - uPlot aligned data used to build the initial table dataset.
+ * @param yAxisUnit - Optional unit label for Y-axis values shown in the table.
+ * @param onCancel - Optional callback invoked when the user cancels the dialog.
+ */
+export default function ChartManager({
+	config,
+	alignedData,
+	yAxisUnit,
+	onCancel,
+}: ChartManagerProps): JSX.Element {
+	const { notifications } = useNotifications();
+	const { legendItemsMap } = useLegendsSync({
+		config,
+		subscribeToFocusChange: false,
+	});
+	const {
+		onToggleSeriesOnOff,
+		onToggleSeriesVisibility,
+		syncSeriesVisibilityToLocalStorage,
+	} = usePlotContext();
+	const { isDashboardLocked } = useDashboard();
+
+	const [tableDataSet, setTableDataSet] = useState<ExtendedChartDataset[]>(() =>
+		getDefaultTableDataSet(config.getConfig() as uPlot.Options, alignedData),
+	);
+
+	const graphVisibilityState = useMemo(
+		() =>
+			Object.entries(legendItemsMap).reduce<boolean[]>((acc, [key, item]) => {
+				acc[Number(key)] = item.show;
+				return acc;
+			}, []),
+		[legendItemsMap],
+	);
+
+	useEffect(() => {
+		setTableDataSet(
+			getDefaultTableDataSet(config.getConfig() as uPlot.Options, alignedData),
+		);
+	}, [alignedData, config]);
+
+	const filterHandler = useCallback(
+		(event: React.ChangeEvent<HTMLInputElement>): void => {
+			const value = event.target.value.toString().toLowerCase();
+			const updatedDataSet = tableDataSet.map((item) => {
+				if (item.label?.toLocaleLowerCase().includes(value)) {
+					return { ...item, show: true };
+				}
+				return { ...item, show: false };
+			});
+			setTableDataSet(updatedDataSet);
+		},
+		[tableDataSet],
+	);
+
+	const dataSource = useMemo(
+		() =>
+			tableDataSet.filter(
+				(item, index) => index !== 0 && item.show, // skipping the first item as it is the x-axis
+			),
+		[tableDataSet],
+	);
+
+	const columns = useMemo(
+		() =>
+			getGraphManagerTableColumns({
+				tableDataSet,
+				checkBoxOnChangeHandler: (_e, index) => {
+					onToggleSeriesOnOff(index);
+				},
+				graphVisibilityState,
+				labelClickedHandler: onToggleSeriesVisibility,
+				yAxisUnit,
+				isGraphDisabled: isDashboardLocked,
+			}),
+		// eslint-disable-next-line react-hooks/exhaustive-deps
+		[tableDataSet, graphVisibilityState, yAxisUnit, isDashboardLocked],
+	);
+
+	const handleSave = useCallback((): void => {
+		syncSeriesVisibilityToLocalStorage();
+		notifications.success({
+			message: 'The updated graphs & legends are saved',
+		});
+		if (onCancel) {
+			onCancel();
+		}
+	}, [syncSeriesVisibilityToLocalStorage, notifications, onCancel]);
+
+	return (
+		<div className="chart-manager-container">
+			<div className="chart-manager-header">
+				<Input onChange={filterHandler} placeholder="Filter Series" />
+				<div className="chart-manager-actions-container">
+					<Button type="default" onClick={onCancel}>
+						Cancel
+					</Button>
+					<Button type="primary" onClick={handleSave}>
+						Save
+					</Button>
+				</div>
+			</div>
+			<div className="chart-manager-table-container">
+				<ResizeTable
+					columns={columns}
+					dataSource={dataSource}
+					virtual
+					rowKey="index"
+					scroll={{ y: 200 }}
+					pagination={false}
+				/>
+			</div>
+		</div>
+	);
+}

frontend/src/container/DashboardContainer/visualization/hooks/usePanelContextMenu.ts

@@ -0,0 +1,120 @@
+import { useCallback } from 'react';
+import { UseQueryResult } from 'react-query';
+import {
+	getTimeRangeFromStepInterval,
+	isApmMetric,
+} from 'container/PanelWrapper/utils';
+import { getUplotClickData } from 'container/QueryTable/Drilldown/drilldownUtils';
+import useGraphContextMenu from 'container/QueryTable/Drilldown/useGraphContextMenu';
+import {
+	PopoverPosition,
+	useCoordinates,
+} from 'periscope/components/ContextMenu';
+import { SuccessResponse } from 'types/api';
+import { Widgets } from 'types/api/dashboard/getAll';
+import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import { DataSource } from 'types/common/queryBuilder';
+
+interface UseTimeSeriesContextMenuParams {
+	widget: Widgets;
+	queryResponse: UseQueryResult<
+		SuccessResponse<MetricRangePayloadProps, unknown>,
+		Error
+	>;
+}
+
+export const usePanelContextMenu = ({
+	widget,
+	queryResponse,
+}: UseTimeSeriesContextMenuParams): {
+	coordinates: { x: number; y: number } | null;
+	popoverPosition: PopoverPosition | null;
+	onClose: () => void;
+	menuItemsConfig: {
+		header?: string | React.ReactNode;
+		items?: React.ReactNode;
+	};
+	clickHandlerWithContextMenu: (...args: any[]) => void;
+} => {
+	const {
+		coordinates,
+		popoverPosition,
+		clickedData,
+		onClose,
+		subMenu,
+		onClick,
+		setSubMenu,
+	} = useCoordinates();
+
+	const { menuItemsConfig } = useGraphContextMenu({
+		widgetId: widget.id || '',
+		query: widget.query,
+		graphData: clickedData,
+		onClose,
+		coordinates,
+		subMenu,
+		setSubMenu,
+		contextLinks: widget.contextLinks,
+		panelType: widget.panelTypes,
+		queryRange: queryResponse,
+	});
+
+	const clickHandlerWithContextMenu = useCallback(
+		(...args: any[]) => {
+			const [
+				xValue,
+				_yvalue,
+				_mouseX,
+				_mouseY,
+				metric,
+				queryData,
+				absoluteMouseX,
+				absoluteMouseY,
+				axesData,
+				focusedSeries,
+			] = args;
+
+			const data = getUplotClickData({
+				metric,
+				queryData,
+				absoluteMouseX,
+				absoluteMouseY,
+				focusedSeries,
+			});
+
+			let timeRange;
+
+			if (axesData && queryData?.queryName) {
+				const compositeQuery = (queryResponse?.data?.params as any)?.compositeQuery;
+
+				if (compositeQuery?.queries) {
+					const specificQuery = compositeQuery.queries.find(
+						(query: any) => query.spec?.name === queryData.queryName,
+					);
+
+					const stepInterval = specificQuery?.spec?.stepInterval || 60;
+
+					timeRange = getTimeRangeFromStepInterval(
+						stepInterval,
+						metric?.clickedTimestamp || xValue,
+						specificQuery?.spec?.signal === DataSource.METRICS &&
+							isApmMetric(specificQuery?.spec?.aggregations[0]?.metricName),
+					);
+				}
+			}
+
+			if (data && data?.record?.queryName) {
+				onClick(data.coord, { ...data.record, label: data.label, timeRange });
+			}
+		},
+		[onClick, queryResponse],
+	);
+
+	return {
+		coordinates,
+		popoverPosition,
+		onClose,
+		menuItemsConfig,
+		clickHandlerWithContextMenu,
+	};
+};

frontend/src/container/DashboardContainer/visualization/panels/Panel.styles.scss

@@ -0,0 +1,4 @@
+.panel-container {
+	height: 100%;
+	width: 100%;
+}

frontend/src/container/DashboardContainer/visualization/panels/TimeSeriesPanel/TimeSeriesPanel.tsx

@@ -0,0 +1,176 @@
+import { useEffect, useMemo, useRef, useState } from 'react';
+import TimeSeries from 'container/DashboardContainer/visualization/charts/TimeSeries/TimeSeries';
+import ChartManager from 'container/DashboardContainer/visualization/components/ChartManager/ChartManager';
+import { usePanelContextMenu } from 'container/DashboardContainer/visualization/hooks/usePanelContextMenu';
+import { PanelWrapperProps } from 'container/PanelWrapper/panelWrapper.types';
+import { useIsDarkMode } from 'hooks/useDarkMode';
+import { useResizeObserver } from 'hooks/useDimensions';
+import { LegendPosition } from 'lib/uPlotV2/components/types';
+import { LineInterpolation } from 'lib/uPlotV2/config/types';
+import { ContextMenu } from 'periscope/components/ContextMenu';
+import { useDashboard } from 'providers/Dashboard/Dashboard';
+import { useTimezone } from 'providers/Timezone';
+import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import uPlot from 'uplot';
+import { getTimeRange } from 'utils/getTimeRange';
+
+import { prepareChartData, prepareUPlotConfig } from '../TimeSeriesPanel/utils';
+
+import '../Panel.styles.scss';
+
+function TimeSeriesPanel(props: PanelWrapperProps): JSX.Element {
+	const {
+		panelMode,
+		queryResponse,
+		widget,
+		onDragSelect,
+		isFullViewMode,
+		onToggleModelHandler,
+	} = props;
+	const { toScrollWidgetId, setToScrollWidgetId } = useDashboard();
+	const graphRef = useRef<HTMLDivElement>(null);
+	const [minTimeScale, setMinTimeScale] = useState<number>();
+	const [maxTimeScale, setMaxTimeScale] = useState<number>();
+	const containerDimensions = useResizeObserver(graphRef);
+
+	const isDarkMode = useIsDarkMode();
+	const { timezone } = useTimezone();
+
+	useEffect(() => {
+		if (toScrollWidgetId === widget.id) {
+			graphRef.current?.scrollIntoView({
+				behavior: 'smooth',
+				block: 'center',
+			});
+			graphRef.current?.focus();
+			setToScrollWidgetId('');
+		}
+	}, [toScrollWidgetId, setToScrollWidgetId, widget.id]);
+
+	useEffect((): void => {
+		const { startTime, endTime } = getTimeRange(queryResponse);
+
+		setMinTimeScale(startTime);
+		setMaxTimeScale(endTime);
+	}, [queryResponse]);
+
+	const {
+		coordinates,
+		popoverPosition,
+		onClose,
+		menuItemsConfig,
+		clickHandlerWithContextMenu,
+	} = usePanelContextMenu({
+		widget,
+		queryResponse,
+	});
+
+	const chartData = useMemo(() => {
+		if (!queryResponse?.data?.payload) {
+			return [];
+		}
+		return prepareChartData(queryResponse?.data?.payload);
+	}, [queryResponse?.data?.payload]);
+
+	const config = useMemo(() => {
+		const tzDate = (timestamp: number): Date =>
+			uPlot.tzDate(new Date(timestamp * 1e3), timezone.value);
+
+		return prepareUPlotConfig({
+			widgetId: widget.id || '',
+			apiResponse: queryResponse?.data?.payload as MetricRangePayloadProps,
+			tzDate,
+			minTimeScale: minTimeScale,
+			maxTimeScale: maxTimeScale,
+			isLogScale: widget?.isLogScale ?? false,
+			thresholds: {
+				scaleKey: 'y',
+				thresholds: (widget.thresholds || []).map((threshold) => ({
+					thresholdValue: threshold.thresholdValue ?? 0,
+					thresholdColor: threshold.thresholdColor,
+					thresholdUnit: threshold.thresholdUnit,
+					thresholdLabel: threshold.thresholdLabel,
+				})),
+				yAxisUnit: widget.yAxisUnit,
+			},
+			yAxisUnit: widget.yAxisUnit || '',
+			softMin: widget.softMin === undefined ? null : widget.softMin,
+			softMax: widget.softMax === undefined ? null : widget.softMax,
+			spanGaps: false,
+			colorMapping: widget.customLegendColors ?? {},
+			lineInterpolation: LineInterpolation.Spline,
+			isDarkMode,
+			onClick: clickHandlerWithContextMenu,
+			onDragSelect,
+			currentQuery: widget.query,
+			panelMode,
+		});
+	}, [
+		widget.id,
+		maxTimeScale,
+		minTimeScale,
+		timezone.value,
+		widget.customLegendColors,
+		widget.isLogScale,
+		widget.softMax,
+		widget.softMin,
+		isDarkMode,
+		queryResponse?.data?.payload,
+		widget.query,
+		widget.thresholds,
+		widget.yAxisUnit,
+		panelMode,
+		clickHandlerWithContextMenu,
+		onDragSelect,
+	]);
+
+	const layoutChildren = useMemo(() => {
+		if (!isFullViewMode) {
+			return null;
+		}
+		return (
+			<ChartManager
+				config={config}
+				alignedData={chartData}
+				yAxisUnit={widget.yAxisUnit}
+				onCancel={onToggleModelHandler}
+			/>
+		);
+	}, [
+		isFullViewMode,
+		config,
+		chartData,
+		widget.yAxisUnit,
+		onToggleModelHandler,
+	]);
+
+	return (
+		<div className="panel-container" ref={graphRef}>
+			{containerDimensions.width > 0 && containerDimensions.height > 0 && (
+				<TimeSeries
+					config={config}
+					legendConfig={{
+						position: widget?.legendPosition ?? LegendPosition.BOTTOM,
+					}}
+					yAxisUnit={widget.yAxisUnit}
+					decimalPrecision={widget.decimalPrecision}
+					timezone={timezone.value}
+					data={chartData as uPlot.AlignedData}
+					width={containerDimensions.width}
+					height={containerDimensions.height}
+					layoutChildren={layoutChildren}
+				>
+					<ContextMenu
+						coordinates={coordinates}
+						popoverPosition={popoverPosition}
+						title={menuItemsConfig.header as string}
+						items={menuItemsConfig.items}
+						onClose={onClose}
+					/>
+				</TimeSeries>
+			)}
+		</div>
+	);
+}
+
+export default TimeSeriesPanel;

frontend/src/container/DashboardContainer/visualization/panels/TimeSeriesPanel/utils.ts

@@ -0,0 +1,170 @@
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import {
+	fillMissingXAxisTimestamps,
+	getXAxisTimestamps,
+} from 'container/DashboardContainer/visualization/panels/utils';
+import { getLegend } from 'lib/dashboard/getQueryResults';
+import getLabelName from 'lib/getLabelName';
+import onClickPlugin, {
+	OnClickPluginOpts,
+} from 'lib/uPlotLib/plugins/onClickPlugin';
+import {
+	DistributionType,
+	DrawStyle,
+	LineInterpolation,
+	LineStyle,
+	SelectionPreferencesSource,
+	VisibilityMode,
+} from 'lib/uPlotV2/config/types';
+import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
+import { ThresholdsDrawHookOptions } from 'lib/uPlotV2/hooks/types';
+import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import { Query } from 'types/api/queryBuilder/queryBuilderData';
+
+import { PanelMode } from '../types';
+
+export const prepareChartData = (
+	apiResponse: MetricRangePayloadProps,
+): uPlot.AlignedData => {
+	const seriesList = apiResponse?.data?.result || [];
+	const timestampArr = getXAxisTimestamps(seriesList);
+	const yAxisValuesArr = fillMissingXAxisTimestamps(timestampArr, seriesList);
+
+	return [timestampArr, ...yAxisValuesArr];
+};
+
+export const prepareUPlotConfig = ({
+	widgetId,
+	apiResponse,
+	tzDate,
+	minTimeScale,
+	maxTimeScale,
+	isLogScale,
+	thresholds,
+	softMin,
+	softMax,
+	spanGaps,
+	colorMapping,
+	lineInterpolation,
+	isDarkMode,
+	currentQuery,
+	onDragSelect,
+	onClick,
+	yAxisUnit,
+	panelMode,
+}: {
+	widgetId: string;
+	apiResponse: MetricRangePayloadProps;
+	tzDate: uPlot.LocalDateFromUnix;
+	minTimeScale: number | undefined;
+	maxTimeScale: number | undefined;
+	isLogScale: boolean;
+	softMin: number | null;
+	softMax: number | null;
+	spanGaps: boolean;
+	colorMapping: Record<string, string>;
+	lineInterpolation: LineInterpolation;
+	isDarkMode: boolean;
+	thresholds: ThresholdsDrawHookOptions;
+	currentQuery: Query;
+	yAxisUnit: string;
+	onDragSelect: (startTime: number, endTime: number) => void;
+	onClick?: OnClickPluginOpts['onClick'];
+	panelMode: PanelMode;
+}): UPlotConfigBuilder => {
+	const builder = new UPlotConfigBuilder({
+		onDragSelect,
+		widgetId,
+		tzDate,
+		shouldSaveSelectionPreference: panelMode === PanelMode.DASHBOARD_VIEW,
+		selectionPreferencesSource: [
+			PanelMode.DASHBOARD_VIEW,
+			PanelMode.STANDALONE_VIEW,
+		].includes(panelMode)
+			? SelectionPreferencesSource.LOCAL_STORAGE
+			: SelectionPreferencesSource.IN_MEMORY,
+	});
+
+	// X scale – time axis
+	builder.addScale({
+		scaleKey: 'x',
+		time: true,
+		min: minTimeScale,
+		max: maxTimeScale,
+		logBase: isLogScale ? 10 : undefined,
+		distribution: isLogScale
+			? DistributionType.Logarithmic
+			: DistributionType.Linear,
+	});
+
+	// Y scale – value axis, driven primarily by softMin/softMax and data
+	builder.addScale({
+		scaleKey: 'y',
+		time: false,
+		min: undefined,
+		max: undefined,
+		softMin: softMin ?? undefined,
+		softMax: softMax ?? undefined,
+		thresholds,
+		logBase: isLogScale ? 10 : undefined,
+		distribution: isLogScale
+			? DistributionType.Logarithmic
+			: DistributionType.Linear,
+	});
+
+	builder.addThresholds(thresholds);
+
+	if (typeof onClick === 'function') {
+		builder.addPlugin(
+			onClickPlugin({
+				onClick,
+				apiResponse,
+			}),
+		);
+	}
+
+	builder.addAxis({
+		scaleKey: 'x',
+		show: true,
+		side: 2,
+		isDarkMode,
+		isLogScale: false,
+		panelType: PANEL_TYPES.TIME_SERIES,
+	});
+
+	builder.addAxis({
+		scaleKey: 'y',
+		show: true,
+		side: 3,
+		isDarkMode,
+		isLogScale: false,
+		yAxisUnit,
+		panelType: PANEL_TYPES.TIME_SERIES,
+	});
+
+	apiResponse.data?.result?.forEach((series) => {
+		const baseLabelName = getLabelName(
+			series.metric,
+			series.queryName || '', // query
+			series.legend || '',
+		);
+
+		const label = currentQuery
+			? getLegend(series, currentQuery, baseLabelName)
+			: baseLabelName;
+
+		builder.addSeries({
+			scaleKey: 'y',
+			drawStyle: DrawStyle.Line,
+			label: label,
+			colorMapping,
+			spanGaps,
+			lineStyle: LineStyle.Solid,
+			lineInterpolation,
+			showPoints: VisibilityMode.Never,
+			pointSize: 5,
+			isDarkMode,
+		});
+	});
+	return builder;
+};

frontend/src/container/DashboardContainer/visualization/panels/utils/index.ts

@@ -0,0 +1,54 @@
+import { normalizePlotValue } from 'lib/uPlotV2/utils/dataUtils';
+import { QueryData } from 'types/api/widgets/getQuery';
+
+export function getXAxisTimestamps(seriesList: QueryData[]): number[] {
+	const timestamps = new Set<number>();
+
+	seriesList.forEach((series: { values?: [number, string][] }) => {
+		if (series?.values) {
+			series.values.forEach((value) => {
+				timestamps.add(value[0]);
+			});
+		}
+	});
+
+	const timestampsArr = Array.from(timestamps);
+	timestampsArr.sort((a, b) => a - b);
+
+	return timestampsArr;
+}
+
+export function fillMissingXAxisTimestamps(
+	timestampArr: number[],
+	data: Array<{ values?: [number, string][] }>,
+): (number | null)[][] {
+	// Ensure we work with a sorted, de‑duplicated list of x-axis timestamps
+	const canonicalTimestamps = Array.from(new Set(timestampArr)).sort(
+		(a, b) => a - b,
+	);
+
+	return data.map(({ values }) =>
+		buildSeriesYValues(canonicalTimestamps, values),
+	);
+}
+
+function buildSeriesYValues(
+	timestamps: number[],
+	values?: [number, string][],
+): (number | null)[] {
+	if (!values?.length) {
+		return [];
+	}
+
+	const valueByTimestamp = new Map<number, number | null>();
+
+	for (let i = 0; i < values.length; i++) {
+		const [timestamp, rawValue] = values[i];
+		valueByTimestamp.set(timestamp, normalizePlotValue(rawValue));
+	}
+
+	return timestamps.map((timestamp) => {
+		const value = valueByTimestamp.get(timestamp);
+		return value !== undefined ? value : null;
+	});
+}

frontend/src/lib/uPlotV2/components/Legend/Legend.styles.scss

@@ -24,6 +24,14 @@
 		opacity: 1;
 	}
 
+	.legend-empty-state {
+		font-size: 12px;
+		color: var(--bg-vanilla-400);
+		text-align: center;
+		padding: 12px;
+		padding: 2rem 0;
+	}
+
 	.legend-virtuoso-container {
 		height: 100%;
 		width: 100%;

frontend/src/lib/uPlotV2/components/Legend/Legend.tsx

@@ -81,6 +81,13 @@ export default function Legend({
 		[focusedSeriesIndex, position],
 	);
 
+	const isEmptyState = useMemo(() => {
+		if (position !== LegendPosition.RIGHT || !legendSearchQuery.trim()) {
+			return false;
+		}
+		return visibleLegendItems.length === 0;
+	}, [position, legendSearchQuery, visibleLegendItems]);
+
 	return (
 		<div
 			ref={legendContainerRef}
@@ -103,15 +110,21 @@ export default function Legend({
 					/>
 				</div>
 			)}
-			<VirtuosoGrid
-				className={cx(
-					'legend-virtuoso-container',
-					`legend-virtuoso-container-${position.toLowerCase()}`,
-					{ 'legend-virtuoso-container-single-row': isSingleRow },
-				)}
-				data={visibleLegendItems}
-				itemContent={(_, item): JSX.Element => renderLegendItem(item)}
-			/>
+			{isEmptyState ? (
+				<div className="legend-empty-state">
+					No series found matching &quot;{legendSearchQuery}&quot;
+				</div>
+			) : (
+				<VirtuosoGrid
+					className={cx(
+						'legend-virtuoso-container',
+						`legend-virtuoso-container-${position.toLowerCase()}`,
+						{ 'legend-virtuoso-container-single-row': isSingleRow },
+					)}
+					data={visibleLegendItems}
+					itemContent={(_, item): JSX.Element => renderLegendItem(item)}
+				/>
+			)}
 		</div>
 	);
 }

frontend/src/providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreUtils.ts

@@ -4,6 +4,7 @@ import {
 } from 'container/DashboardContainer/DashboardVariablesSelection/util';
 import { IDashboardVariable } from 'types/api/dashboard/getAll';
 
+import { initializeVariableFetchStore } from '../variableFetchStore';
 import {
 	IDashboardVariables,
 	IDashboardVariablesStoreState,
@@ -62,9 +63,30 @@ export function buildDependencyData(
 	};
 }
 
+/**
+ * Initialize the variable fetch store with the computed dependency data
+ */
+function initializeFetchStore(
+	sortedVariablesArray: IDashboardVariable[],
+	dependencyData: IDependencyData | null,
+): void {
+	if (dependencyData) {
+		const allVariableNames = sortedVariablesArray
+			.map((v) => v.name)
+			.filter((name): name is string => !!name);
+
+		initializeVariableFetchStore(
+			allVariableNames,
+			dependencyData.graph,
+			dependencyData.parentDependencyGraph,
+		);
+	}
+}
+
 /**
  * Compute derived values from variables
  * This is a composition of buildSortedVariablesArray and buildDependencyData
+ * Also initializes the variable fetch store with the new dependency data
  */
 export function computeDerivedValues(
 	variables: IDashboardVariablesStoreState['variables'],
@@ -75,15 +97,22 @@ export function computeDerivedValues(
 	const sortedVariablesArray = buildSortedVariablesArray(variables);
 	const dependencyData = buildDependencyData(sortedVariablesArray);
 
+	// Initialize the variable fetch store when dependency data is computed
+	initializeFetchStore(sortedVariablesArray, dependencyData);
+
 	return { sortedVariablesArray, dependencyData };
 }
 
 /**
  * Update derived values in the store state (for use with immer)
+ * Also initializes the variable fetch store with the new dependency data
  */
 export function updateDerivedValues(
 	draft: IDashboardVariablesStoreState,
 ): void {
 	draft.sortedVariablesArray = buildSortedVariablesArray(draft.variables);
 	draft.dependencyData = buildDependencyData(draft.sortedVariablesArray);
+
+	// Initialize the variable fetch store when dependency data is updated
+	initializeFetchStore(draft.sortedVariablesArray, draft.dependencyData);
 }

frontend/src/providers/Dashboard/store/variableFetchStore.ts

@@ -0,0 +1,57 @@
+import { VariableGraph } from 'container/DashboardContainer/DashboardVariablesSelection/util';
+
+import createStore from './store';
+
+// Fetch state for each variable
+export type VariableFetchState =
+	| 'idle' // stable state - initial or complete
+	| 'loading' // actively fetching data (first time)
+	| 'revalidating' // refetching existing data
+	| 'waiting' // blocked on parent dependencies
+	| 'error';
+
+export interface IVariableFetchStoreState {
+	// Per-variable fetch state
+	states: Record<string, VariableFetchState>;
+
+	// Dependency graphs (set once when variables change)
+	dependencyGraph: VariableGraph; // variable -> children that depend on it
+	parentGraph: VariableGraph; // variable -> parents it depends on
+
+	// Track last update timestamp per variable to trigger re-fetches
+	lastUpdated: Record<string, number>;
+}
+
+const initialState: IVariableFetchStoreState = {
+	states: {},
+	dependencyGraph: {},
+	parentGraph: {},
+	lastUpdated: {},
+};
+
+export const variableFetchStore = createStore<IVariableFetchStoreState>(
+	initialState,
+);
+
+// ============== Actions ==============
+
+/**
+ * Initialize the store with dependency graphs and set initial states
+ */
+export function initializeVariableFetchStore(
+	variableNames: string[],
+	dependencyGraph: VariableGraph,
+	parentGraph: VariableGraph,
+): void {
+	variableFetchStore.update((draft) => {
+		draft.dependencyGraph = dependencyGraph;
+		draft.parentGraph = parentGraph;
+
+		// Initialize all variables to idle, preserving existing ready states
+		variableNames.forEach((name) => {
+			if (!draft.states[name]) {
+				draft.states[name] = 'idle';
+			}
+		});
+	});
+}

pkg/apis/fields/api.go

@@ -0,0 +1,127 @@
+package fields
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+
+	"github.com/SigNoz/signoz/pkg/factory"
+	"github.com/SigNoz/signoz/pkg/http/render"
+	"github.com/SigNoz/signoz/pkg/telemetrylogs"
+	"github.com/SigNoz/signoz/pkg/telemetrymetadata"
+	"github.com/SigNoz/signoz/pkg/telemetrymeter"
+	"github.com/SigNoz/signoz/pkg/telemetrymetrics"
+	"github.com/SigNoz/signoz/pkg/telemetrystore"
+	"github.com/SigNoz/signoz/pkg/telemetrytraces"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+)
+
+type API struct {
+	telemetryStore         telemetrystore.TelemetryStore
+	telemetryMetadataStore telemetrytypes.MetadataStore
+}
+
+// TODO: move this to module and remove metastore init
+func NewAPI(
+	settings factory.ProviderSettings,
+	telemetryStore telemetrystore.TelemetryStore,
+) *API {
+	telemetryMetadataStore := telemetrymetadata.NewTelemetryMetaStore(
+		settings,
+		telemetryStore,
+		telemetrytraces.DBName,
+		telemetrytraces.TagAttributesV2TableName,
+		telemetrytraces.SpanAttributesKeysTblName,
+		telemetrytraces.SpanIndexV3TableName,
+		telemetrymetrics.DBName,
+		telemetrymetrics.AttributesMetadataTableName,
+		telemetrymeter.DBName,
+		telemetrymeter.SamplesAgg1dTableName,
+		telemetrylogs.DBName,
+		telemetrylogs.LogsV2TableName,
+		telemetrylogs.TagAttributesV2TableName,
+		telemetrylogs.LogAttributeKeysTblName,
+		telemetrylogs.LogResourceKeysTblName,
+		telemetrymetadata.DBName,
+		telemetrymetadata.AttributesMetadataLocalTableName,
+	)
+
+	return &API{
+		telemetryStore:         telemetryStore,
+		telemetryMetadataStore: telemetryMetadataStore,
+	}
+}
+
+func (api *API) GetFieldsKeys(w http.ResponseWriter, r *http.Request) {
+
+	type fieldKeysResponse struct {
+		Keys     map[string][]*telemetrytypes.TelemetryFieldKey `json:"keys"`
+		Complete bool                                           `json:"complete"`
+	}
+
+	bodyBytes, _ := io.ReadAll(r.Body)
+	r.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
+	ctx := r.Context()
+
+	fieldKeySelector, err := parseFieldKeyRequest(r)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	keys, complete, err := api.telemetryMetadataStore.GetKeys(ctx, fieldKeySelector)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	response := fieldKeysResponse{
+		Keys:     keys,
+		Complete: complete,
+	}
+
+	render.Success(w, http.StatusOK, response)
+}
+
+func (api *API) GetFieldsValues(w http.ResponseWriter, r *http.Request) {
+
+	type fieldValuesResponse struct {
+		Values   *telemetrytypes.TelemetryFieldValues `json:"values"`
+		Complete bool                                 `json:"complete"`
+	}
+
+	bodyBytes, _ := io.ReadAll(r.Body)
+	r.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
+	ctx := r.Context()
+
+	fieldValueSelector, err := parseFieldValueRequest(r)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	allValues, allComplete, err := api.telemetryMetadataStore.GetAllValues(ctx, fieldValueSelector)
+	if err != nil {
+		render.Error(w, err)
+		return
+	}
+
+	relatedValues, relatedComplete, err := api.telemetryMetadataStore.GetRelatedValues(ctx, fieldValueSelector)
+	if err != nil {
+		// we don't want to return error if we fail to get related values for some reason
+		relatedValues = []string{}
+	}
+
+	values := &telemetrytypes.TelemetryFieldValues{
+		StringValues:  allValues.StringValues,
+		NumberValues:  allValues.NumberValues,
+		RelatedValues: relatedValues,
+	}
+
+	response := fieldValuesResponse{
+		Values:   values,
+		Complete: allComplete && relatedComplete,
+	}
+
+	render.Success(w, http.StatusOK, response)
+}

pkg/apis/fields/parse.go

@@ -0,0 +1,162 @@
+package fields
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/SigNoz/signoz/pkg/valuer"
+)
+
+func parseFieldKeyRequest(r *http.Request) (*telemetrytypes.FieldKeySelector, error) {
+	var req telemetrytypes.FieldKeySelector
+	var signal telemetrytypes.Signal
+	var source telemetrytypes.Source
+	var err error
+
+	signalStr := r.URL.Query().Get("signal")
+	if signalStr != "" {
+		signal = telemetrytypes.Signal{String: valuer.NewString(signalStr)}
+	} else {
+		signal = telemetrytypes.SignalUnspecified
+	}
+
+	sourceStr := r.URL.Query().Get("source")
+	if sourceStr != "" {
+		source = telemetrytypes.Source{String: valuer.NewString(sourceStr)}
+	} else {
+		source = telemetrytypes.SourceUnspecified
+	}
+
+	if r.URL.Query().Get("limit") != "" {
+		limit, err := strconv.Atoi(r.URL.Query().Get("limit"))
+		if err != nil {
+			return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse limit")
+		}
+		req.Limit = limit
+	} else {
+		req.Limit = 1000
+	}
+
+	var startUnixMilli, endUnixMilli int64
+
+	if r.URL.Query().Get("startUnixMilli") != "" {
+		startUnixMilli, err = strconv.ParseInt(r.URL.Query().Get("startUnixMilli"), 10, 64)
+		if err != nil {
+			return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse startUnixMilli")
+		}
+		// Round down to the nearest 6 hours (21600000 milliseconds)
+		startUnixMilli -= startUnixMilli % 21600000
+	}
+	if r.URL.Query().Get("endUnixMilli") != "" {
+		endUnixMilli, err = strconv.ParseInt(r.URL.Query().Get("endUnixMilli"), 10, 64)
+		if err != nil {
+			return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse endUnixMilli")
+		}
+	}
+
+	// Parse fieldContext directly instead of using JSON unmarshalling.
+	var fieldContext telemetrytypes.FieldContext
+	fieldContextStr := r.URL.Query().Get("fieldContext")
+	if fieldContextStr != "" {
+		fieldContext = telemetrytypes.FieldContext{String: valuer.NewString(fieldContextStr)}
+	}
+
+	// Parse fieldDataType directly instead of using JSON unmarshalling.
+	var fieldDataType telemetrytypes.FieldDataType
+	fieldDataTypeStr := r.URL.Query().Get("fieldDataType")
+	if fieldDataTypeStr != "" {
+		fieldDataType = telemetrytypes.FieldDataType{String: valuer.NewString(fieldDataTypeStr)}
+	}
+
+	metricName := r.URL.Query().Get("metricName")
+	var metricContext *telemetrytypes.MetricContext
+	if metricName != "" {
+		metricContext = &telemetrytypes.MetricContext{
+			MetricName: metricName,
+		}
+	}
+
+	name := r.URL.Query().Get("searchText")
+
+	if name != "" && fieldContext == telemetrytypes.FieldContextUnspecified {
+		parsedFieldKey := telemetrytypes.GetFieldKeyFromKeyText(name)
+		if parsedFieldKey.FieldContext != telemetrytypes.FieldContextUnspecified {
+			// Only apply inferred context if it is valid for the current signal
+			if isContextValidForSignal(parsedFieldKey.FieldContext, signal) {
+				name = parsedFieldKey.Name
+				fieldContext = parsedFieldKey.FieldContext
+			}
+		}
+	}
+
+	req = telemetrytypes.FieldKeySelector{
+		StartUnixMilli:    startUnixMilli,
+		EndUnixMilli:      endUnixMilli,
+		Signal:            signal,
+		Source:            source,
+		Name:              name,
+		FieldContext:      fieldContext,
+		FieldDataType:     fieldDataType,
+		Limit:             req.Limit,
+		SelectorMatchType: telemetrytypes.FieldSelectorMatchTypeFuzzy,
+		MetricContext:     metricContext,
+	}
+	return &req, nil
+}
+
+func parseFieldValueRequest(r *http.Request) (*telemetrytypes.FieldValueSelector, error) {
+	keySelector, err := parseFieldKeyRequest(r)
+	if err != nil {
+		return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse field key request")
+	}
+
+	name := r.URL.Query().Get("name")
+	if name != "" && keySelector.FieldContext == telemetrytypes.FieldContextUnspecified {
+		parsedFieldKey := telemetrytypes.GetFieldKeyFromKeyText(name)
+		if parsedFieldKey.FieldContext != telemetrytypes.FieldContextUnspecified {
+			// Only apply inferred context if it is valid for the current signal
+			if isContextValidForSignal(parsedFieldKey.FieldContext, keySelector.Signal) {
+				name = parsedFieldKey.Name
+				keySelector.FieldContext = parsedFieldKey.FieldContext
+			}
+		}
+	}
+	keySelector.Name = name
+	existingQuery := r.URL.Query().Get("existingQuery")
+	value := r.URL.Query().Get("searchText")
+
+	// Parse limit for fieldValue request, fallback to default 50 if parsing fails.
+	limit, err := strconv.Atoi(r.URL.Query().Get("limit"))
+	if err != nil {
+		limit = 50
+	}
+
+	req := telemetrytypes.FieldValueSelector{
+		FieldKeySelector: keySelector,
+		ExistingQuery:    existingQuery,
+		Value:            value,
+		Limit:            limit,
+	}
+
+	return &req, nil
+}
+
+func isContextValidForSignal(ctx telemetrytypes.FieldContext, signal telemetrytypes.Signal) bool {
+	if ctx == telemetrytypes.FieldContextResource ||
+		ctx == telemetrytypes.FieldContextAttribute ||
+		ctx == telemetrytypes.FieldContextScope {
+		return true
+	}
+
+	switch signal.StringValue() {
+	case telemetrytypes.SignalLogs.StringValue():
+		return ctx == telemetrytypes.FieldContextLog || ctx == telemetrytypes.FieldContextBody
+	case telemetrytypes.SignalTraces.StringValue():
+		return ctx == telemetrytypes.FieldContextSpan || ctx == telemetrytypes.FieldContextEvent || ctx == telemetrytypes.FieldContextTrace
+	case telemetrytypes.SignalMetrics.StringValue():
+		return ctx == telemetrytypes.FieldContextMetric
+	}
+	return true
+}

pkg/apiserver/signozapiserver/fields.go

@@ -1,50 +0,0 @@
-package signozapiserver
-
-import (
-	"net/http"
-
-	"github.com/SigNoz/signoz/pkg/http/handler"
-	"github.com/SigNoz/signoz/pkg/types"
-	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
-	"github.com/gorilla/mux"
-)
-
-func (provider *provider) addFieldsRoutes(router *mux.Router) error {
-	if err := router.Handle("/api/v1/fields/keys", handler.New(provider.authZ.ViewAccess(provider.fieldsHandler.GetFieldsKeys), handler.OpenAPIDef{
-		ID:                  "GetFieldsKeys",
-		Tags:                []string{"fields"},
-		Summary:             "Get field keys",
-		Description:         "This endpoint returns field keys",
-		Request:             nil,
-		RequestQuery:        new(telemetrytypes.PostableFieldKeysParams),
-		RequestContentType:  "",
-		Response:            new(telemetrytypes.GettableFieldKeys),
-		ResponseContentType: "application/json",
-		SuccessStatusCode:   http.StatusOK,
-		ErrorStatusCodes:    []int{},
-		Deprecated:          false,
-		SecuritySchemes:     newSecuritySchemes(types.RoleViewer),
-	})).Methods(http.MethodGet).GetError(); err != nil {
-		return err
-	}
-
-	if err := router.Handle("/api/v1/fields/values", handler.New(provider.authZ.ViewAccess(provider.fieldsHandler.GetFieldsValues), handler.OpenAPIDef{
-		ID:                  "GetFieldsValues",
-		Tags:                []string{"fields"},
-		Summary:             "Get field values",
-		Description:         "This endpoint returns field values",
-		Request:             nil,
-		RequestQuery:        new(telemetrytypes.PostableFieldValueParams),
-		RequestContentType:  "",
-		Response:            new(telemetrytypes.GettableFieldValues),
-		ResponseContentType: "application/json",
-		SuccessStatusCode:   http.StatusOK,
-		ErrorStatusCodes:    []int{},
-		Deprecated:          false,
-		SecuritySchemes:     newSecuritySchemes(types.RoleViewer),
-	})).Methods(http.MethodGet).GetError(); err != nil {
-		return err
-	}
-
-	return nil
-}

pkg/apiserver/signozapiserver/provider.go

@@ -13,7 +13,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	"github.com/SigNoz/signoz/pkg/modules/authdomain"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/organization"
 	"github.com/SigNoz/signoz/pkg/modules/preference"
@@ -45,7 +44,6 @@ type provider struct {
 	gatewayHandler         gateway.Handler
 	roleGetter             role.Getter
 	roleHandler            role.Handler
-	fieldsHandler          fields.Handler
 }
 
 func NewFactory(
@@ -65,31 +63,9 @@ func NewFactory(
 	gatewayHandler gateway.Handler,
 	roleGetter role.Getter,
 	roleHandler role.Handler,
-	fieldsHandler fields.Handler,
 ) factory.ProviderFactory[apiserver.APIServer, apiserver.Config] {
 	return factory.NewProviderFactory(factory.MustNewName("signoz"), func(ctx context.Context, providerSettings factory.ProviderSettings, config apiserver.Config) (apiserver.APIServer, error) {
-		return newProvider(
-			ctx,
-			providerSettings,
-			config,
-			orgGetter,
-			authz,
-			orgHandler,
-			userHandler,
-			sessionHandler,
-			authDomainHandler,
-			preferenceHandler,
-			globalHandler,
-			promoteHandler,
-			flaggerHandler,
-			dashboardModule,
-			dashboardHandler,
-			metricsExplorerHandler,
-			gatewayHandler,
-			roleGetter,
-			roleHandler,
-			fieldsHandler,
-		)
+		return newProvider(ctx, providerSettings, config, orgGetter, authz, orgHandler, userHandler, sessionHandler, authDomainHandler, preferenceHandler, globalHandler, promoteHandler, flaggerHandler, dashboardModule, dashboardHandler, metricsExplorerHandler, gatewayHandler, roleGetter, roleHandler)
 	})
 }
 
@@ -113,7 +89,6 @@ func newProvider(
 	gatewayHandler gateway.Handler,
 	roleGetter role.Getter,
 	roleHandler role.Handler,
-	fieldsHandler fields.Handler,
 ) (apiserver.APIServer, error) {
 	settings := factory.NewScopedProviderSettings(providerSettings, "github.com/SigNoz/signoz/pkg/apiserver/signozapiserver")
 	router := mux.NewRouter().UseEncodedPath()
@@ -136,7 +111,6 @@ func newProvider(
 		gatewayHandler:         gatewayHandler,
 		roleGetter:             roleGetter,
 		roleHandler:            roleHandler,
-		fieldsHandler:          fieldsHandler,
 	}
 
 	provider.authZ = middleware.NewAuthZ(settings.Logger(), orgGetter, authz, roleGetter)
@@ -201,10 +175,6 @@ func (provider *provider) AddToRouter(router *mux.Router) error {
 		return err
 	}
 
-	if err := provider.addFieldsRoutes(router); err != nil {
-		return err
-	}
-
 	return nil
 }
 

pkg/apiserver/signozapiserver/user.go

@@ -325,7 +325,7 @@ func (provider *provider) addUserRoutes(router *mux.Router) error {
 		Response:            nil,
 		ResponseContentType: "",
 		SuccessStatusCode:   http.StatusNoContent,
-		ErrorStatusCodes:    []int{http.StatusBadRequest},
+		ErrorStatusCodes:    []int{http.StatusBadRequest, http.StatusUnprocessableEntity},
 		Deprecated:          false,
 		SecuritySchemes:     []handler.OpenAPISecurityScheme{},
 	})).Methods(http.MethodPost).GetError(); err != nil {

pkg/modules/fields/handler.go

@@ -1,11 +0,0 @@
-package fields
-
-import "net/http"
-
-type Handler interface {
-	// Gets the fields keys for the given field key selector
-	GetFieldsKeys(http.ResponseWriter, *http.Request)
-
-	// Gets the fields values for the given field value selector
-	GetFieldsValues(http.ResponseWriter, *http.Request)
-}

pkg/modules/fields/implfields/handler.go

@@ -1,90 +0,0 @@
-package implfields
-
-import (
-	"net/http"
-
-	"github.com/SigNoz/signoz/pkg/factory"
-	"github.com/SigNoz/signoz/pkg/http/binding"
-	"github.com/SigNoz/signoz/pkg/http/render"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
-	"github.com/SigNoz/signoz/pkg/telemetrystore"
-	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
-)
-
-type handler struct {
-	telemetryStore         telemetrystore.TelemetryStore
-	telemetryMetadataStore telemetrytypes.MetadataStore
-}
-
-func NewHandler(settings factory.ProviderSettings, telemetryMetadataStore telemetrytypes.MetadataStore, telemetryStore telemetrystore.TelemetryStore) fields.Handler {
-	return &handler{
-		telemetryStore:         telemetryStore,
-		telemetryMetadataStore: telemetryMetadataStore,
-	}
-}
-
-func (handler *handler) GetFieldsKeys(rw http.ResponseWriter, req *http.Request) {
-	ctx := req.Context()
-
-	var params telemetrytypes.PostableFieldKeysParams
-	if err := binding.Query.BindQuery(req.URL.Query(), &params); err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	fieldKeySelector, err := telemetrytypes.NewFieldKeySelectorFromPostableFieldKeysParams(params)
-	if err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	keys, complete, err := handler.telemetryMetadataStore.GetKeys(ctx, fieldKeySelector)
-	if err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	render.Success(rw, http.StatusOK, &telemetrytypes.GettableFieldKeys{
-		Keys:     keys,
-		Complete: complete,
-	})
-}
-
-func (handler *handler) GetFieldsValues(rw http.ResponseWriter, req *http.Request) {
-	ctx := req.Context()
-
-	var params telemetrytypes.PostableFieldValueParams
-	if err := binding.Query.BindQuery(req.URL.Query(), &params); err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	fieldValueSelector, err := telemetrytypes.NewFieldValueSelectorFromPostableFieldValueParams(params)
-	if err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	allValues, allComplete, err := handler.telemetryMetadataStore.GetAllValues(ctx, fieldValueSelector)
-	if err != nil {
-		render.Error(rw, err)
-		return
-	}
-
-	relatedValues, relatedComplete, err := handler.telemetryMetadataStore.GetRelatedValues(ctx, fieldValueSelector)
-	if err != nil {
-		// we don't want to return error if we fail to get related values for some reason
-		relatedValues = []string{}
-	}
-
-	values := &telemetrytypes.TelemetryFieldValues{
-		StringValues:  allValues.StringValues,
-		NumberValues:  allValues.NumberValues,
-		RelatedValues: relatedValues,
-	}
-
-	render.Success(rw, http.StatusOK, &telemetrytypes.GettableFieldValues{
-		Values:   values,
-		Complete: allComplete && relatedComplete,
-	})
-}

pkg/modules/user/impluser/module.go

@@ -369,7 +369,7 @@ func (module *Module) GetOrCreateResetPasswordToken(ctx context.Context, userID
 
 func (module *Module) ForgotPassword(ctx context.Context, orgID valuer.UUID, email valuer.Email, frontendBaseURL string) error {
 	if !module.config.Password.Reset.AllowSelf {
-		return errors.New(errors.TypeUnsupported, errors.CodeUnsupported, "users are not allowed to reset their password themselves, please contact an admin to reset your password")
+		return errors.New(errors.TypeUnsupported, errors.CodeUnsupported, "Users are not allowed to reset their password themselves, please contact an admin to reset your password.")
 	}
 
 	user, err := module.store.GetUserByEmailAndOrgID(ctx, email, orgID)

pkg/query-service/app/http_handler.go

@@ -25,6 +25,7 @@ import (
 	"time"
 
 	"github.com/SigNoz/signoz/pkg/alertmanager"
+	"github.com/SigNoz/signoz/pkg/apis/fields"
 	errorsV2 "github.com/SigNoz/signoz/pkg/errors"
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	"github.com/SigNoz/signoz/pkg/http/render"
@@ -144,6 +145,8 @@ type APIHandler struct {
 
 	LicensingAPI licensing.API
 
+	FieldsAPI *fields.API
+
 	QuerierAPI *querierAPI.API
 
 	QueryParserAPI *queryparser.API
@@ -174,6 +177,8 @@ type APIHandlerOpts struct {
 
 	LicensingAPI licensing.API
 
+	FieldsAPI *fields.API
+
 	QuerierAPI *querierAPI.API
 
 	QueryParserAPI *queryparser.API
@@ -238,6 +243,7 @@ func NewAPIHandler(opts APIHandlerOpts) (*APIHandler, error) {
 		AlertmanagerAPI:               opts.AlertmanagerAPI,
 		LicensingAPI:                  opts.LicensingAPI,
 		Signoz:                        opts.Signoz,
+		FieldsAPI:                     opts.FieldsAPI,
 		QuerierAPI:                    opts.QuerierAPI,
 		QueryParserAPI:                opts.QueryParserAPI,
 	}
@@ -393,6 +399,13 @@ func (aH *APIHandler) RegisterQueryRangeV3Routes(router *mux.Router, am *middlew
 	subRouter.HandleFunc("/logs/livetail", am.ViewAccess(aH.QuerierAPI.QueryRawStream)).Methods(http.MethodGet)
 }
 
+func (aH *APIHandler) RegisterFieldsRoutes(router *mux.Router, am *middleware.AuthZ) {
+	subRouter := router.PathPrefix("/api/v1").Subrouter()
+
+	subRouter.HandleFunc("/fields/keys", am.ViewAccess(aH.FieldsAPI.GetFieldsKeys)).Methods(http.MethodGet)
+	subRouter.HandleFunc("/fields/values", am.ViewAccess(aH.FieldsAPI.GetFieldsValues)).Methods(http.MethodGet)
+}
+
 func (aH *APIHandler) RegisterInfraMetricsRoutes(router *mux.Router, am *middleware.AuthZ) {
 	hostsSubRouter := router.PathPrefix("/api/v1/hosts").Subrouter()
 	hostsSubRouter.HandleFunc("/attribute_keys", am.ViewAccess(aH.getHostAttributeKeys)).Methods(http.MethodGet)

pkg/query-service/app/server.go

@@ -17,6 +17,7 @@ import (
 	"github.com/gorilla/handlers"
 
 	"github.com/SigNoz/signoz/pkg/alertmanager"
+	"github.com/SigNoz/signoz/pkg/apis/fields"
 	"github.com/SigNoz/signoz/pkg/cache"
 	"github.com/SigNoz/signoz/pkg/http/middleware"
 	"github.com/SigNoz/signoz/pkg/licensing/nooplicensing"
@@ -132,6 +133,7 @@ func NewServer(config signoz.Config, signoz *signoz.SigNoz) (*Server, error) {
 		FluxInterval:                  config.Querier.FluxInterval,
 		AlertmanagerAPI:               alertmanager.NewAPI(signoz.Alertmanager),
 		LicensingAPI:                  nooplicensing.NewLicenseAPI(),
+		FieldsAPI:                     fields.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.TelemetryStore),
 		Signoz:                        signoz,
 		QuerierAPI:                    querierAPI.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.Querier, signoz.Analytics),
 		QueryParserAPI:                queryparser.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.QueryParser),
@@ -213,6 +215,7 @@ func (s *Server) createPublicServer(api *APIHandler, web web.Web) (*http.Server,
 	api.RegisterLogsRoutes(r, am)
 	api.RegisterIntegrationRoutes(r, am)
 	api.RegisterCloudIntegrationsRoutes(r, am)
+	api.RegisterFieldsRoutes(r, am)
 	api.RegisterQueryRangeV3Routes(r, am)
 	api.RegisterInfraMetricsRoutes(r, am)
 	api.RegisterWebSocketPaths(r, am)

pkg/query-service/queryBuilderToExpr/queryBuilderToExpr.go

@@ -71,7 +71,18 @@ func Parse(filters *v3.FilterSet) (string, error) {
 			// accustom log filters like `body.log.message EXISTS` into EXPR language
 			// where User is attempting to check for keys present in JSON log body
 			if strings.HasPrefix(v.Key.Key, "body.") {
-				filter = fmt.Sprintf("%s %s %s", exprFormattedValue(strings.TrimPrefix(v.Key.Key, "body.")), logOperatorsToExpr[v.Operator], "fromJSON(body)")
+				// if body is a string and is a valid JSON, then check if the key exists in the JSON
+				filter = fmt.Sprintf(`((type(body) == "string" && isJSON(body)) && %s %s %s)`, exprFormattedValue(strings.TrimPrefix(v.Key.Key, "body.")), logOperatorsToExpr[v.Operator], "fromJSON(body)")
+
+				// if body is a map, then check if the key exists in the map
+				operator := v3.FilterOperatorNotEqual
+				if v.Operator == v3.FilterOperatorNotExists {
+					operator = v3.FilterOperatorEqual
+				}
+				nilCheckFilter := fmt.Sprintf("%s %s nil", v.Key.Key, logOperatorsToExpr[operator])
+
+				// join the two filters with OR
+				filter = fmt.Sprintf(`(%s or (type(body) == "map" && (%s)))`, filter, nilCheckFilter)
 			} else if typ := getTypeName(v.Key.Type); typ != "" {
 				filter = fmt.Sprintf("%s %s %s", exprFormattedValue(v.Key.Key), logOperatorsToExpr[v.Operator], typ)
 			} else {

pkg/query-service/queryBuilderToExpr/queryBuilderToExpr_test.go

@@ -3,203 +3,538 @@ package queryBuilderToExpr
 import (
 	"testing"
 
+	signozstanzahelper "github.com/SigNoz/signoz-otel-collector/processor/signozlogspipelineprocessor/stanza/operator/helper"
 	v3 "github.com/SigNoz/signoz/pkg/query-service/model/v3"
-	. "github.com/smartystreets/goconvey/convey"
+	"github.com/expr-lang/expr/vm"
+	"github.com/open-telemetry/opentelemetry-collector-contrib/pkg/stanza/entry"
+	"github.com/stretchr/testify/assert"
 )
 
-var testCases = []struct {
-	Name        string
-	Query       *v3.FilterSet
-	Expr        string
-	ExpectError bool
-}{
-	{
-		Name: "equal",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "checkbody", Operator: "="},
-		}},
-		Expr: `attributes["key"] == "checkbody"`,
-	},
-	{
-		Name: "not equal",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "checkbody", Operator: "!="},
-		}},
-		Expr: `attributes["key"] != "checkbody"`,
-	},
-	{
-		Name: "less than",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<"},
-		}},
-		Expr: `attributes["key"] != nil && attributes["key"] < 10`,
-	},
-	{
-		Name: "greater than",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: ">"},
-		}},
-		Expr: `attributes["key"] != nil && attributes["key"] > 10`,
-	},
-	{
-		Name: "less than equal",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
-		}},
-		Expr: `attributes["key"] != nil && attributes["key"] <= 10`,
-	},
-	{
-		Name: "greater than equal",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: ">="},
-		}},
-		Expr: `attributes["key"] != nil && attributes["key"] >= 10`,
-	},
-	// case sensitive
-	{
-		Name: "body contains",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
-		}},
-		Expr: `body != nil && lower(body) contains lower("checkbody")`,
-	},
-	{
-		Name: "body.log.message exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body.log.message", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-		}},
-		Expr: `"log.message" in fromJSON(body)`,
-	},
-	{
-		Name: "body.log.message not exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body.log.message", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-		}},
-		Expr: `"log.message" not in fromJSON(body)`,
-	},
-	{
-		Name: "body ncontains",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "ncontains"},
-		}},
-		Expr: `body != nil && lower(body) not contains lower("checkbody")`,
-	},
-	{
-		Name: "body regex",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "regex"},
-		}},
-		Expr: `body != nil && body matches "[0-1]+regex$"`,
-	},
-	{
-		Name: "body not regex",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "nregex"},
-		}},
-		Expr: `body != nil && body not matches "[0-1]+regex$"`,
-	},
-	{
-		Name: "regex with escape characters",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: `^Executing \[\S+@\S+:[0-9]+\] \S+".*`, Operator: "regex"},
-		}},
-		Expr: `body != nil && body matches "^Executing \\[\\S+@\\S+:[0-9]+\\] \\S+\".*"`,
-	},
-	{
-		Name: "invalid regex",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-9]++", Operator: "nregex"},
-		}},
-		Expr:        `body != nil && lower(body) not matches "[0-9]++"`,
-		ExpectError: true,
-	},
-	{
-		Name: "in",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []interface{}{1, 2, 3, 4}, Operator: "in"},
-		}},
-		Expr: `attributes["key"] != nil && attributes["key"] in [1,2,3,4]`,
-	},
-	{
-		Name: "not in",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []interface{}{"1", "2"}, Operator: "nin"},
-		}},
-		Expr: `attributes["key"] != nil && attributes["key"] not in ['1','2']`,
-	},
-	{
-		Name: "exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "exists"},
-		}},
-		Expr: `"key" in attributes`,
-	},
-	{
-		Name: "not exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-		}},
-		Expr: `"key" not in attributes`,
-	},
-	{
-		Name: "trace_id not exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-		}},
-		Expr: `trace_id == nil`,
-	},
-	{
-		Name: "trace_id exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-		}},
-		Expr: `trace_id != nil`,
-	},
-	{
-		Name: "span_id not exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
-		}},
-		Expr: `span_id == nil`,
-	},
-	{
-		Name: "span_id exists",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
-		}},
-		Expr: `span_id != nil`,
-	},
-	{
-		Name: "Multi filter",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "nregex"},
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-		}},
-		Expr: `attributes["key"] != nil && attributes["key"] <= 10 and body != nil && body not matches "[0-1]+regex$" and "key" not in attributes`,
-	},
-	{
-		Name: "incorrect multi filter",
-		Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
-			{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-9]++", Operator: "nregex"},
-			{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
-		}},
-		Expr:        `attributes["key"] != nil && attributes["key"] <= 10 and body not matches "[0-9]++" and "key" not in attributes`,
-		ExpectError: true,
-	},
-}
+func TestParseExpression(t *testing.T) {
+	var testCases = []struct {
+		Name        string
+		Query       *v3.FilterSet
+		Expr        string
+		ExpectError bool
+	}{
+		{
+			Name: "equal",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "checkbody", Operator: "="},
+			}},
+			Expr: `attributes["key"] == "checkbody"`,
+		},
+		{
+			Name: "not equal",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "checkbody", Operator: "!="},
+			}},
+			Expr: `attributes["key"] != "checkbody"`,
+		},
+		{
+			Name: "less than",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<"},
+			}},
+			Expr: `attributes["key"] != nil && attributes["key"] < 10`,
+		},
+		{
+			Name: "greater than",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: ">"},
+			}},
+			Expr: `attributes["key"] != nil && attributes["key"] > 10`,
+		},
+		{
+			Name: "less than equal",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
+			}},
+			Expr: `attributes["key"] != nil && attributes["key"] <= 10`,
+		},
+		{
+			Name: "greater than equal",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: ">="},
+			}},
+			Expr: `attributes["key"] != nil && attributes["key"] >= 10`,
+		},
+		// case sensitive
+		{
+			Name: "body contains",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
+			}},
+			Expr: `body != nil && lower(body) contains lower("checkbody")`,
+		},
+		{
+			Name: "body.log.message exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body.log.message", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+			}},
+			Expr: `(((type(body) == "string" && isJSON(body)) && "log.message" in fromJSON(body)) or (type(body) == "map" && (body.log.message != nil)))`,
+		},
+		{
+			Name: "body.log.message not exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body.log.message", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+			}},
+			Expr: `(((type(body) == "string" && isJSON(body)) && "log.message" not in fromJSON(body)) or (type(body) == "map" && (body.log.message == nil)))`,
+		},
+		{
+			Name: "body ncontains",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "ncontains"},
+			}},
+			Expr: `body != nil && lower(body) not contains lower("checkbody")`,
+		},
+		{
+			Name: "body regex",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "regex"},
+			}},
+			Expr: `body != nil && body matches "[0-1]+regex$"`,
+		},
+		{
+			Name: "body not regex",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "nregex"},
+			}},
+			Expr: `body != nil && body not matches "[0-1]+regex$"`,
+		},
+		{
+			Name: "regex with escape characters",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: `^Executing \[\S+@\S+:[0-9]+\] \S+".*`, Operator: "regex"},
+			}},
+			Expr: `body != nil && body matches "^Executing \\[\\S+@\\S+:[0-9]+\\] \\S+\".*"`,
+		},
+		{
+			Name: "invalid regex",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-9]++", Operator: "nregex"},
+			}},
+			Expr:        `body != nil && lower(body) not matches "[0-9]++"`,
+			ExpectError: true,
+		},
+		{
+			Name: "in",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{1, 2, 3, 4}, Operator: "in"},
+			}},
+			Expr: `attributes["key"] != nil && attributes["key"] in [1,2,3,4]`,
+		},
+		{
+			Name: "not in",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{"1", "2"}, Operator: "nin"},
+			}},
+			Expr: `attributes["key"] != nil && attributes["key"] not in ['1','2']`,
+		},
+		{
+			Name: "exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "exists"},
+			}},
+			Expr: `"key" in attributes`,
+		},
+		{
+			Name: "not exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
+			}},
+			Expr: `"key" not in attributes`,
+		},
+		{
+			Name: "trace_id not exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+			}},
+			Expr: `trace_id == nil`,
+		},
+		{
+			Name: "trace_id exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+			}},
+			Expr: `trace_id != nil`,
+		},
+		{
+			Name: "span_id not exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+			}},
+			Expr: `span_id == nil`,
+		},
+		{
+			Name: "span_id exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+			}},
+			Expr: `span_id != nil`,
+		},
+		{
+			Name: "Multi filter",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex$", Operator: "nregex"},
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
+			}},
+			Expr: `attributes["key"] != nil && attributes["key"] <= 10 and body != nil && body not matches "[0-1]+regex$" and "key" not in attributes`,
+		},
+		{
+			Name: "incorrect multi filter",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: 10, Operator: "<="},
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-9]++", Operator: "nregex"},
+				{Key: v3.AttributeKey{Key: "key", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
+			}},
+			Expr:        `attributes["key"] != nil && attributes["key"] <= 10 and body not matches "[0-9]++" and "key" not in attributes`,
+			ExpectError: true,
+		},
+	}
 
-func TestParse(t *testing.T) {
 	for _, tt := range testCases {
-		Convey(tt.Name, t, func() {
+		t.Run(tt.Name, func(t *testing.T) {
 			x, err := Parse(tt.Query)
 			if tt.ExpectError {
-				So(err, ShouldNotBeNil)
+				assert.Error(t, err)
 			} else {
-				So(err, ShouldBeNil)
-				So(x, ShouldEqual, tt.Expr)
+				assert.NoError(t, err)
+				assert.Equal(t, tt.Expr, x)
 			}
 		})
 	}
 }
+
+type EntryComposite struct {
+	ID int
+	*entry.Entry
+}
+
+// makeEntry creates an EntryComposite for tests. Pass nil for traceID/spanID to mean "not set".
+func makeEntry(id int, body any, attributes, resource map[string]any, traceID, spanID []byte) EntryComposite {
+	e := entry.New()
+	e.Body = body
+	if attributes != nil {
+		e.Attributes = attributes
+	} else {
+		e.Attributes = make(map[string]any)
+	}
+	if resource != nil {
+		e.Resource = resource
+	} else {
+		e.Resource = make(map[string]any)
+	}
+	if traceID != nil {
+		e.TraceID = traceID
+	}
+	if spanID != nil {
+		e.SpanID = spanID
+	}
+	return EntryComposite{ID: id, Entry: e}
+}
+
+func TestExpressionVSEntry(t *testing.T) {
+	// Dataset: entries with varied body (JSON and plain text), attributes, trace_id, span_id for filter testing.
+	// IDs 0..12: JSON bodies (body.msg / body.log etc. work). IDs 13..17: simple text log bodies.
+	dataset := []EntryComposite{
+		// JSON body entries (0-12)
+		makeEntry(0, `{"msg":"hello world"}`, map[string]any{"level": "info"}, map[string]any{"env": "prod", "host": "node-0"}, nil, nil),
+		makeEntry(1, `{"msg":"error occurred", "missing": "value"}`, map[string]any{"level": "error"}, map[string]any{"env": "prod", "host": "node-1"}, []byte("trace1"), []byte("span1")),
+		makeEntry(2, `{"msg":"checkbody substring"}`, map[string]any{"level": "info"}, map[string]any{"env": "staging", "host": "node-2"}, []byte("trace2"), nil),
+		makeEntry(3, `{"msg":"no match here"}`, map[string]any{"level": "debug"}, map[string]any{"env": "staging", "host": "node-3"}, nil, []byte("span3")),
+		makeEntry(4, `{"msg":"101regex suffix"}`, map[string]any{"code": "200", "count": int64(5)}, map[string]any{"env": "prod", "host": "node-4"}, nil, nil),
+		makeEntry(5, `{"msg":"plain text only"}`, map[string]any{"code": "404", "count": int64(10)}, map[string]any{"env": "prod", "host": "node-5"}, []byte("trace5"), []byte("span5")),
+		makeEntry(6, `{"log":{"message":"user login"}}`, map[string]any{"service": "auth"}, map[string]any{"env": "dev", "host": "node-6"}, nil, nil),
+		makeEntry(7, `{"log":{"message":"user logout"}}`, map[string]any{"service": "auth", "user_id": "u1"}, map[string]any{"env": "dev", "host": "node-7"}, []byte("trace7"), nil),
+		makeEntry(8, `{"event":"click"}`, map[string]any{"service": "api"}, map[string]any{"env": "dev", "host": "node-8"}, nil, nil),
+		makeEntry(9, `{"msg":"checkbody"}`, map[string]any{"tag": "exact", "num": int64(9)}, map[string]any{"env": "prod", "host": "node-9"}, nil, nil),
+		makeEntry(10, `{"msg":"CHECKBODY case"}`, map[string]any{"tag": "case", "num": int64(10)}, map[string]any{"env": "staging", "host": "node-10"}, nil, nil),
+		makeEntry(11, `{"msg":"foo"}`, map[string]any{"status": "active", "score": int64(100)}, map[string]any{"env": "prod", "host": "node-11"}, nil, nil),
+		makeEntry(12, `{"msg":"bar"}`, map[string]any{"status": "inactive", "score": int64(50)}, map[string]any{"env": "staging", "host": "node-12"}, []byte("trace12"), []byte("span12")),
+		// Plain text log body entries (13-17)
+		makeEntry(13, "Server started on port 8080", map[string]any{"component": "server"}, map[string]any{"env": "prod", "host": "node-13"}, nil, nil),
+		makeEntry(14, "Connection refused to 10.0.0.1:5432", map[string]any{"level": "error"}, map[string]any{"env": "prod", "host": "node-14"}, nil, nil),
+		makeEntry(15, "User login failed for admin", map[string]any{"service": "auth", "level": "warn"}, map[string]any{"env": "dev", "host": "node-15"}, []byte("trace15"), nil),
+		makeEntry(16, "checkbody in text log", map[string]any{"level": "info"}, map[string]any{"env": "staging", "host": "node-16"}, nil, nil),
+		makeEntry(17, "WARN: disk full on /var", map[string]any{"level": "warn"}, map[string]any{"env": "prod", "host": "node-17"}, nil, []byte("span17")),
+		// Body as map (not string) entries (18-20)
+		makeEntry(18, map[string]any{"msg": "checkbody substring", "level": "info"}, map[string]any{"source": "map"}, map[string]any{"env": "prod", "host": "node-18"}, nil, nil),
+		makeEntry(19, map[string]any{"log": map[string]any{"message": "nested value in map body"}, "missing": true}, map[string]any{"source": "map"}, map[string]any{"env": "staging", "host": "node-19"}, []byte("trace19"), nil),
+		makeEntry(20, map[string]any{"event": "deploy", "version": "1.2.0"}, map[string]any{"source": "map", "level": "info"}, map[string]any{"env": "dev", "host": "node-20"}, nil, []byte("span20")),
+	}
+
+	var testCases = []struct {
+		Name            string
+		Query           *v3.FilterSet
+		ExpectedMatches []int
+	}{
+		{
+			Name: "resource equal (env)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
+			}},
+			ExpectedMatches: []int{0, 1, 4, 5, 9, 11, 13, 14, 17, 18},
+		},
+		{
+			Name: "resource not equal (env)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "!="},
+			}},
+			ExpectedMatches: []int{2, 3, 6, 7, 8, 10, 12, 15, 16, 19, 20},
+		},
+		{
+			Name: "attribute less than (numeric)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "count", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 8, Operator: "<"},
+			}},
+			ExpectedMatches: []int{4},
+		},
+		{
+			Name: "attribute greater than (numeric)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "count", DataType: v3.AttributeKeyDataTypeInt64, Type: v3.AttributeKeyTypeTag}, Value: 8, Operator: ">"},
+			}},
+			ExpectedMatches: []int{5},
+		},
+		{
+			Name: "body contains (case insensitive)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
+			}},
+			ExpectedMatches: []int{2, 9, 10, 16},
+		},
+		{
+			Name: "body ncontains",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "ncontains"},
+			}},
+			ExpectedMatches: []int{0, 1, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 17},
+		},
+		{
+			Name: "body.msg (case insensitive)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body.msg", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: false}, Value: "checkbody", Operator: "contains"},
+			}},
+			ExpectedMatches: []int{2, 9, 10, 18},
+		},
+		{
+			Name: "body regex",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex", Operator: "regex"},
+			}},
+			ExpectedMatches: []int{4},
+		},
+		{
+			Name: "body not regex",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex", Operator: "nregex"},
+			}},
+			ExpectedMatches: []int{0, 1, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17},
+		},
+		// body.log.message exists/nexists: expr checks "log.message" in fromJSON(body); nested key
+		// semantics depend on signoz stanza helper. Omitted here to avoid coupling to env shape.
+		{
+			Name: "body top-level key exists (body.msg)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body.msg", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+			}},
+			ExpectedMatches: []int{0, 1, 2, 3, 4, 5, 9, 10, 11, 12, 18},
+		},
+		{
+			Name: "body top-level key not exists (body.missing)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body.missing", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+			}},
+			ExpectedMatches: []int{0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 18, 20},
+		},
+		{
+			Name: "attribute exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "exists"},
+			}},
+			ExpectedMatches: []int{6, 7, 8, 15},
+		},
+		{
+			Name: "attribute not exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
+			}},
+			ExpectedMatches: []int{0, 1, 2, 3, 4, 5, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20},
+		},
+		{
+			Name: "trace_id exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+			}},
+			ExpectedMatches: []int{1, 2, 5, 7, 12, 15, 19},
+		},
+		{
+			Name: "trace_id not exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+			}},
+			ExpectedMatches: []int{0, 3, 4, 6, 8, 9, 10, 11, 13, 14, 16, 17, 18, 20},
+		},
+		{
+			Name: "span_id exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+			}},
+			ExpectedMatches: []int{1, 3, 5, 12, 17, 20},
+		},
+		{
+			Name: "span_id not exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+			}},
+			ExpectedMatches: []int{0, 2, 4, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 18, 19},
+		},
+		{
+			Name: "in (attribute in list)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{"info", "error"}, Operator: "in"},
+			}},
+			ExpectedMatches: []int{0, 1, 2, 14, 16, 20},
+		},
+		{
+			Name: "not in (attribute not in list)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: []any{"error", "warn"}, Operator: "nin"},
+			}},
+			ExpectedMatches: []int{0, 2, 3, 16, 20},
+		},
+		{
+			Name: "multi filter AND",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "staging", Operator: "="},
+				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "info", Operator: "="},
+			}},
+			ExpectedMatches: []int{2, 16},
+		},
+		{
+			Name: "multi filter AND (two attributes)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "auth", Operator: "="},
+				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Operator: "nexists"},
+			}},
+			ExpectedMatches: []int{6, 7},
+		},
+		// Multi-filter variations: body + attribute, three conditions, trace/span + attribute
+		{
+			Name: "multi filter AND body contains + attribute",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "Connection", Operator: "contains"},
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
+			}},
+			ExpectedMatches: []int{14},
+		},
+		{
+			Name: "multi filter AND body contains + service",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "login", Operator: "contains"},
+				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "auth", Operator: "="},
+			}},
+			ExpectedMatches: []int{6, 15},
+		},
+		{
+			Name: "multi filter AND env + level (prod error)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
+				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "error", Operator: "="},
+			}},
+			ExpectedMatches: []int{1, 14},
+		},
+		{
+			Name: "multi filter AND three conditions (staging + checkbody + info)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "staging", Operator: "="},
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
+				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "info", Operator: "="},
+			}},
+			ExpectedMatches: []int{2, 16},
+		},
+		{
+			Name: "multi filter AND trace_id exists + body contains",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "checkbody", Operator: "contains"},
+			}},
+			ExpectedMatches: []int{2},
+		},
+		{
+			Name: "multi filter AND span_id nexists + service auth",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+				{Key: v3.AttributeKey{Key: "service", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "auth", Operator: "="},
+			}},
+			ExpectedMatches: []int{6, 7, 15},
+		},
+		{
+			Name: "multi filter AND body regex + attribute",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "[0-1]+regex", Operator: "regex"},
+				{Key: v3.AttributeKey{Key: "code", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "200", Operator: "="},
+			}},
+			ExpectedMatches: []int{4},
+		},
+		{
+			Name: "multi filter AND no trace_id + no span_id + env prod",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+				{Key: v3.AttributeKey{Key: "span_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "nexists"},
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "prod", Operator: "="},
+			}},
+			ExpectedMatches: []int{0, 4, 9, 11, 13, 14, 18},
+		},
+		{
+			Name: "multi filter AND level warn + body contains",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "level", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "warn", Operator: "="},
+				{Key: v3.AttributeKey{Key: "body", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "disk", Operator: "contains"},
+			}},
+			ExpectedMatches: []int{17},
+		},
+		{
+			Name: "no matches (attribute value not present)",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "env", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeResource}, Value: "never", Operator: "="},
+			}},
+			ExpectedMatches: []int{},
+		},
+		{
+			Name: "attribute equal and trace_id exists",
+			Query: &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{
+				{Key: v3.AttributeKey{Key: "code", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeTag}, Value: "404", Operator: "="},
+				{Key: v3.AttributeKey{Key: "trace_id", DataType: v3.AttributeKeyDataTypeString, Type: v3.AttributeKeyTypeUnspecified, IsColumn: true}, Value: "", Operator: "exists"},
+			}},
+			ExpectedMatches: []int{5},
+		},
+	}
+
+	for _, tt := range testCases {
+		t.Run(tt.Name, func(t *testing.T) {
+			expression, err := Parse(tt.Query)
+			assert.NoError(t, err)
+
+			compiled, hasBodyFieldRef, err := signozstanzahelper.ExprCompileBool(expression)
+			assert.NoError(t, err)
+
+			matchedIDs := []int{}
+			for _, d := range dataset {
+				env := signozstanzahelper.GetExprEnv(d.Entry, hasBodyFieldRef)
+				matches, err := vm.Run(compiled, env)
+				signozstanzahelper.PutExprEnv(env)
+				if err != nil {
+					// Eval error (e.g. fromJSON on non-JSON body) => treat as no match
+					continue
+				}
+				if matches != nil && matches.(bool) {
+					matchedIDs = append(matchedIDs, d.ID)
+				}
+			}
+			assert.Equal(t, tt.ExpectedMatches, matchedIDs, "query %q", tt.Name)
+		})
+	}
+}

pkg/signoz/handler.go

@@ -11,8 +11,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/modules/apdex/implapdex"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard/impldashboard"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
-	"github.com/SigNoz/signoz/pkg/modules/fields/implfields"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer/implmetricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/quickfilter"
@@ -30,8 +28,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/modules/tracefunnel"
 	"github.com/SigNoz/signoz/pkg/modules/tracefunnel/impltracefunnel"
 	"github.com/SigNoz/signoz/pkg/querier"
-	"github.com/SigNoz/signoz/pkg/telemetrystore"
-	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 )
 
 type Handlers struct {
@@ -48,20 +44,9 @@ type Handlers struct {
 	FlaggerHandler  flagger.Handler
 	GatewayHandler  gateway.Handler
 	Role            role.Handler
-	Fields          fields.Handler
 }
 
-func NewHandlers(
-	modules Modules,
-	providerSettings factory.ProviderSettings,
-	querier querier.Querier,
-	licensing licensing.Licensing,
-	global global.Global,
-	flaggerService flagger.Flagger,
-	gatewayService gateway.Gateway,
-	telemetryMetadataStore telemetrytypes.MetadataStore,
-	telemetryStore telemetrystore.TelemetryStore,
-) Handlers {
+func NewHandlers(modules Modules, providerSettings factory.ProviderSettings, querier querier.Querier, licensing licensing.Licensing, global global.Global, flaggerService flagger.Flagger, gatewayService gateway.Gateway) Handlers {
 	return Handlers{
 		SavedView:       implsavedview.NewHandler(modules.SavedView),
 		Apdex:           implapdex.NewHandler(modules.Apdex),
@@ -76,6 +61,5 @@ func NewHandlers(
 		FlaggerHandler:  flagger.NewHandler(flaggerService),
 		GatewayHandler:  gateway.NewHandler(gatewayService),
 		Role:            implrole.NewHandler(modules.RoleSetter, modules.RoleGetter),
-		Fields:          implfields.NewHandler(providerSettings, telemetryMetadataStore, telemetryStore),
 	}
 }

pkg/signoz/handler_test.go

@@ -46,7 +46,7 @@ func TestNewHandlers(t *testing.T) {
 	grantModule := implrole.NewGranter(implrole.NewStore(sqlstore), nil)
 	modules := NewModules(sqlstore, tokenizer, emailing, providerSettings, orgGetter, alertmanager, nil, nil, nil, nil, nil, nil, nil, queryParser, Config{}, dashboardModule, roleSetter, roleGetter, grantModule)
 
-	handlers := NewHandlers(modules, providerSettings, nil, nil, nil, nil, nil, nil, nil)
+	handlers := NewHandlers(modules, providerSettings, nil, nil, nil, nil, nil)
 
 	reflectVal := reflect.ValueOf(handlers)
 	for i := 0; i < reflectVal.NumField(); i++ {

pkg/signoz/openapi.go

@@ -15,7 +15,6 @@ import (
 	"github.com/SigNoz/signoz/pkg/instrumentation"
 	"github.com/SigNoz/signoz/pkg/modules/authdomain"
 	"github.com/SigNoz/signoz/pkg/modules/dashboard"
-	"github.com/SigNoz/signoz/pkg/modules/fields"
 	"github.com/SigNoz/signoz/pkg/modules/metricsexplorer"
 	"github.com/SigNoz/signoz/pkg/modules/organization"
 	"github.com/SigNoz/signoz/pkg/modules/preference"
@@ -53,7 +52,6 @@ func NewOpenAPI(ctx context.Context, instrumentation instrumentation.Instrumenta
 		struct{ gateway.Handler }{},
 		struct{ role.Getter }{},
 		struct{ role.Handler }{},
-		struct{ fields.Handler }{},
 	).New(ctx, instrumentation.ToProviderSettings(), apiserver.Config{})
 	if err != nil {
 		return nil, err

pkg/signoz/provider.go

@@ -249,7 +249,6 @@ func NewAPIServerProviderFactories(orgGetter organization.Getter, authz authz.Au
 			handlers.GatewayHandler,
 			modules.RoleGetter,
 			handlers.Role,
-			handlers.Fields,
 		),
 	)
 }

pkg/signoz/signoz.go

@@ -396,7 +396,7 @@ func New(
 	modules := NewModules(sqlstore, tokenizer, emailing, providerSettings, orgGetter, alertmanager, analytics, querier, telemetrystore, telemetryMetadataStore, authNs, authz, cache, queryParser, config, dashboard, roleSetter, roleGetter, granter)
 
 	// Initialize all handlers for the modules
-	handlers := NewHandlers(modules, providerSettings, querier, licensing, global, flagger, gateway, telemetryMetadataStore, telemetrystore)
+	handlers := NewHandlers(modules, providerSettings, querier, licensing, global, flagger, gateway)
 
 	// Initialize the API server
 	apiserver, err := factory.NewProviderFromNamedMap(

pkg/types/factor_password.go

@@ -36,8 +36,8 @@ type ChangePasswordRequest struct {
 }
 
 type PostableForgotPassword struct {
-	OrgID           valuer.UUID  `json:"orgId"`
-	Email           valuer.Email `json:"email"`
+	OrgID           valuer.UUID  `json:"orgId" required:"true"`
+	Email           valuer.Email `json:"email" required:"true"`
 	FrontendBaseURL string       `json:"frontendBaseURL"`
 }
 

pkg/types/gatewaytypes/ingestionkey.go

@@ -33,8 +33,8 @@ type LimitConfig struct {
 }
 
 type LimitValue struct {
-	Size  int64 `json:"size,omitempty"`
-	Count int64 `json:"count,omitempty"`
+	Size  int64 `json:"size"`
+	Count int64 `json:"count"`
 }
 
 type LimitMetric struct {

pkg/types/telemetrytypes/field.go

@@ -5,7 +5,6 @@ import (
 	"strings"
 
 	"github.com/SigNoz/signoz-otel-collector/exporter/jsontypeexporter"
-	"github.com/SigNoz/signoz/pkg/errors"
 	"github.com/SigNoz/signoz/pkg/valuer"
 )
 
@@ -267,103 +266,3 @@ type FieldValueSelector struct {
 	Value         string `json:"value"`
 	Limit         int    `json:"limit"`
 }
-
-type GettableFieldKeys struct {
-	Keys     map[string][]*TelemetryFieldKey `json:"keys"`
-	Complete bool                            `json:"complete"`
-}
-
-type PostableFieldKeysParams struct {
-	Signal         Signal        `query:"signal"`
-	Source         Source        `query:"source"`
-	Limit          int           `query:"limit"`
-	StartUnixMilli int64         `query:"startUnixMilli"`
-	EndUnixMilli   int64         `query:"endUnixMilli"`
-	FieldContext   FieldContext  `query:"fieldContext"`
-	FieldDataType  FieldDataType `query:"fieldDataType"`
-	MetricName     string        `query:"metricName"`
-	Name           string        `query:"name"`
-	SearchText     string        `query:"searchText"`
-}
-
-type GettableFieldValues struct {
-	Values   *TelemetryFieldValues `json:"values"`
-	Complete bool                  `json:"complete"`
-}
-
-type PostableFieldValueParams struct {
-	PostableFieldKeysParams
-	ExistingQuery string `query:"existingQuery"`
-}
-
-func NewFieldKeySelectorFromPostableFieldKeysParams(params PostableFieldKeysParams) (*FieldKeySelector, error) {
-	var req FieldKeySelector
-	var signal Signal
-
-	if params.Limit != 0 {
-		req.Limit = params.Limit
-	} else {
-		req.Limit = 1000
-	}
-
-	if params.StartUnixMilli != 0 {
-		req.StartUnixMilli = params.StartUnixMilli
-		// Round down to the nearest 6 hours (21600000 milliseconds)
-		req.StartUnixMilli -= req.StartUnixMilli % 21600000
-	}
-
-	if params.EndUnixMilli != 0 {
-		req.EndUnixMilli = params.EndUnixMilli
-	}
-
-	if params.SearchText != "" && params.FieldContext == FieldContextUnspecified {
-		parsedFieldKey := GetFieldKeyFromKeyText(params.SearchText)
-		if parsedFieldKey.FieldContext != FieldContextUnspecified {
-			// Only apply inferred context if it is valid for the current signal
-			if isContextValidForSignal(parsedFieldKey.FieldContext, signal) {
-				req.Name = parsedFieldKey.Name
-				req.FieldContext = parsedFieldKey.FieldContext
-			}
-		}
-	}
-
-	if params.MetricName != "" {
-		req.MetricContext = &MetricContext{
-			MetricName: params.MetricName,
-		}
-	}
-
-	return &req, nil
-}
-
-func NewFieldValueSelectorFromPostableFieldValueParams(params PostableFieldValueParams) (*FieldValueSelector, error) {
-	var fieldValueSelector FieldValueSelector
-
-	keySelector, err := NewFieldKeySelectorFromPostableFieldKeysParams(params.PostableFieldKeysParams)
-	if err != nil {
-		return nil, errors.Wrapf(err, errors.TypeInvalidInput, errors.CodeInvalidInput, "failed to parse field key request").WithAdditional(err.Error())
-	}
-
-	if params.Name != "" && keySelector.FieldContext == FieldContextUnspecified {
-		parsedFieldKey := GetFieldKeyFromKeyText(params.Name)
-		if parsedFieldKey.FieldContext != FieldContextUnspecified {
-			// Only apply inferred context if it is valid for the current signal
-			if isContextValidForSignal(parsedFieldKey.FieldContext, keySelector.Signal) {
-				fieldValueSelector.Name = parsedFieldKey.Name
-				keySelector.FieldContext = parsedFieldKey.FieldContext
-			}
-		}
-	}
-
-	keySelector.Name = fieldValueSelector.Name
-	fieldValueSelector.ExistingQuery = params.ExistingQuery
-	fieldValueSelector.Value = params.SearchText
-
-	if params.Limit != 0 {
-		fieldValueSelector.Limit = params.Limit
-	} else {
-		fieldValueSelector.Limit = 50
-	}
-
-	return &fieldValueSelector, nil
-}

pkg/types/telemetrytypes/field_context.go

@@ -154,21 +154,3 @@ func (f FieldContext) TagType() string {
 	}
 	return ""
 }
-
-func isContextValidForSignal(ctx FieldContext, signal Signal) bool {
-	if ctx == FieldContextResource ||
-		ctx == FieldContextAttribute ||
-		ctx == FieldContextScope {
-		return true
-	}
-
-	switch signal.StringValue() {
-	case SignalLogs.StringValue():
-		return ctx == FieldContextLog || ctx == FieldContextBody
-	case SignalTraces.StringValue():
-		return ctx == FieldContextSpan || ctx == FieldContextEvent || ctx == FieldContextTrace
-	case SignalMetrics.StringValue():
-		return ctx == FieldContextMetric
-	}
-	return true
-}