feat: adding migration for dashboard change

pkg/modules/cloudintegration/implcloudintegration/fs/definitions/aws/lambda/assets/dashboards/overview.json

@@ -51,6 +51,28 @@
           },
           "name": "Region"
         }
+      },
+      {
+        "kind": "ListVariable",
+        "spec": {
+          "display": {
+            "name": "FunctionName",
+            "description": "Name of the Lambda function"
+          },
+          "allowAllValue": true,
+          "allowMultiple": true,
+          "customAllValue": "",
+          "capturingRegexp": "",
+          "sort": "none",
+          "plugin": {
+            "kind": "signoz/DynamicVariable",
+            "spec": {
+              "name": "FunctionName",
+              "signal": "metrics"
+            }
+          },
+          "name": "FunctionName"
+        }
       }
     ],
     "panels": {
@@ -118,7 +140,7 @@
                     ],
                     "disabled": false,
                     "filter": {
-                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS)"
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
                     },
                     "groupBy": [
                       {
@@ -218,7 +240,7 @@
                     ],
                     "disabled": false,
                     "filter": {
-                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS)"
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
                     },
                     "groupBy": [
                       {
@@ -318,7 +340,7 @@
                     ],
                     "disabled": false,
                     "filter": {
-                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS)"
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
                     },
                     "groupBy": [
                       {
@@ -418,7 +440,7 @@
                     ],
                     "disabled": false,
                     "filter": {
-                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS)"
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
                     },
                     "groupBy": [
                       {
@@ -518,7 +540,7 @@
                     ],
                     "disabled": false,
                     "filter": {
-                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS)"
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
                     },
                     "groupBy": [
                       {
@@ -618,7 +640,7 @@
                     ],
                     "disabled": false,
                     "filter": {
-                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS)"
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
                     },
                     "groupBy": [
                       {
@@ -718,7 +740,7 @@
                     ],
                     "disabled": false,
                     "filter": {
-                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS)"
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
                     },
                     "groupBy": [
                       {
@@ -831,4 +853,4 @@
     "refreshInterval": "",
     "links": []
   }
-}
+}

pkg/modules/rulestatehistory/implrulestatehistory/field_mapper.go

@@ -88,5 +88,5 @@ func (m *fieldMapper) ColumnExpressionFor(ctx context.Context, orgID valuer.UUID
 	if err != nil {
 		return "", err
 	}
-	return fmt.Sprintf("%s AS %s", sqlbuilder.Escape(colName), querybuilder.ClickHouseIdentifier(field.Name)), nil
+	return fmt.Sprintf("%s AS `%s`", sqlbuilder.Escape(colName), field.Name), nil
 }

pkg/querybuilder/exists_expr.go

@@ -43,7 +43,7 @@ func ExistsExpression(columns []*schema.Column, key *telemetrytypes.TelemetryFie
 		if len(evolutionsEntries) > 0 && evolutionsEntries[0] != nil {
 			columnName = evolutionsEntries[0].ColumnName
 		}
-		rawPath := fmt.Sprintf("%s.%s", columnName, ClickHouseIdentifier(key.Name))
+		rawPath := fmt.Sprintf("%s.`%s`", columnName, key.Name)
 		if exists {
 			return rawPath + " IS NOT NULL", nil
 		}
@@ -88,7 +88,7 @@ func ExistsExpression(columns []*schema.Column, key *telemetrytypes.TelemetryFie
 
 		switch valueType := column.Type.(schema.MapColumnType).ValueType; valueType.GetType() {
 		case schema.ColumnTypeEnumString, schema.ColumnTypeEnumBool, schema.ColumnTypeEnumFloat64:
-			leftOperand := fmt.Sprintf("mapContains(%s, %s)", column.Name, ClickHouseStringLiteral(key.Name))
+			leftOperand := fmt.Sprintf("mapContains(%s, '%s')", column.Name, key.Name)
 			if key.Materialized {
 				leftOperand = telemetrytypes.FieldKeyToMaterializedColumnNameForExists(key)
 			}

pkg/signoz/provider.go

@@ -242,6 +242,7 @@ func NewSQLMigrationProviderFactories(
 		sqlmigration.NewRestructureAuthDomainConfigFactory(sqlstore),
 		sqlmigration.NewFixSavedViewSelectFieldsFactory(sqlstore),
 		sqlmigration.NewDeleteOrphanUserRolesFactory(),
+		sqlmigration.NewMigrateLambdaDashboardsFactory(),
 	)
 }
 

pkg/sqlmigration/116_migrate_lambda_dashboards.go

@@ -0,0 +1,160 @@
+package sqlmigration
+
+import (
+	"bytes"
+	"context"
+	"embed"
+	"encoding/json"
+	"time"
+
+	"github.com/SigNoz/signoz/pkg/factory"
+	"github.com/uptrace/bun"
+	"github.com/uptrace/bun/migrate"
+)
+
+//go:embed 116_migrate_lambda_dashboards
+var lambdaDashboardFiles embed.FS
+
+// These values mirror the cloud integration and dashboard packages but are duplicated
+// here so this migration keeps targeting and writing the same rows even if those
+// constants are later renamed or changed.
+const (
+	lambdaDashboardFile = "116_migrate_lambda_dashboards/aws/lambda/overview.json"
+
+	lambdaDashboardSlug               = "aws-lambda-overview"
+	cloudIntegrationDashboardProvider = "cloud_integration"
+	integrationDashboardSource        = "integration"
+	dashboardSchemaVersion            = "v6"
+)
+
+type migrateLambdaDashboards struct{}
+
+type lambdaDashboardRow struct {
+	bun.BaseModel `bun:"table:dashboard,alias:dashboard"`
+
+	ID   string `bun:"id"`
+	Data string `bun:"data"`
+}
+
+// lambdaDashboardDefinition is the part of the embedded dashboard this migration reads:
+// its spec, which is what the cloud integration stores under data.spec.
+type lambdaDashboardDefinition struct {
+	Spec map[string]any `json:"spec"`
+}
+
+func NewMigrateLambdaDashboardsFactory() factory.ProviderFactory[SQLMigration, Config] {
+	return factory.NewProviderFactory(
+		factory.MustNewName("migrate_lambda_dashboards"),
+		func(ctx context.Context, ps factory.ProviderSettings, c Config) (SQLMigration, error) {
+			return &migrateLambdaDashboards{}, nil
+		},
+	)
+}
+
+func (m *migrateLambdaDashboards) Register(migrations *migrate.Migrations) error {
+	return migrations.Register(m.Up, m.Down)
+}
+
+// Up rewrites the spec of every provisioned AWS Lambda overview dashboard to the
+// embedded revision that added the FunctionName variable. Cloud integration dashboards
+// are provisioned once and never updated afterwards, so existing installs only pick up
+// this change through a migration. Only the spec is replaced; the row keeps its id, name,
+// tags and metadata, so the dashboard is updated in place rather than recreated.
+func (m *migrateLambdaDashboards) Up(ctx context.Context, db *bun.DB) error {
+	spec, err := m.loadSpec()
+	if err != nil {
+		return err
+	}
+
+	tx, err := db.BeginTx(ctx, nil)
+	if err != nil {
+		return err
+	}
+	defer func() { _ = tx.Rollback() }()
+
+	var rows []*lambdaDashboardRow
+	if err := tx.NewSelect().
+		Model(&rows).
+		Join("JOIN integration_dashboard AS id ON id.dashboard_id = dashboard.id").
+		Where("id.provider = ?", cloudIntegrationDashboardProvider).
+		Where("id.slug = ?", lambdaDashboardSlug).
+		Where("dashboard.source = ?", integrationDashboardSource).
+		Scan(ctx); err != nil {
+		return err
+	}
+
+	for _, row := range rows {
+		data := map[string]any{}
+		if err := json.Unmarshal([]byte(row.Data), &data); err != nil {
+			return err
+		}
+
+		// The embedded spec is v6-shaped, so only rewrite a row already carrying a v6 spec;
+		// anything else is left alone rather than turned into a broken mix of versions.
+		if !m.hasV6Spec(data) {
+			continue
+		}
+		data["spec"] = spec
+
+		encoded, err := m.marshalUnescaped(data)
+		if err != nil {
+			return err
+		}
+		// Skip rows already carrying this spec so a re-run does not needlessly rewrite them.
+		if string(encoded) == row.Data {
+			continue
+		}
+
+		if _, err := tx.NewUpdate().
+			Model((*lambdaDashboardRow)(nil)).
+			Set("data = ?", string(encoded)).
+			Set("updated_at = ?", time.Now()).
+			Where("id = ?", row.ID).
+			Exec(ctx); err != nil {
+			return err
+		}
+	}
+
+	return tx.Commit()
+}
+
+func (m *migrateLambdaDashboards) Down(context.Context, *bun.DB) error {
+	return nil
+}
+
+// hasV6Spec reports whether the stored data is a v6 dashboard with a spec object, which
+// is the shape whose spec this migration replaces.
+func (m *migrateLambdaDashboards) hasV6Spec(data map[string]any) bool {
+	metadata, _ := data["metadata"].(map[string]any)
+	version, _ := metadata["schemaVersion"].(string)
+	if version != dashboardSchemaVersion {
+		return false
+	}
+	_, ok := data["spec"].(map[string]any)
+	return ok
+}
+
+func (m *migrateLambdaDashboards) marshalUnescaped(v any) ([]byte, error) {
+	var buf bytes.Buffer
+	encoder := json.NewEncoder(&buf)
+	encoder.SetEscapeHTML(false)
+	if err := encoder.Encode(v); err != nil {
+		return nil, err
+	}
+
+	return bytes.TrimRight(buf.Bytes(), "\n"), nil
+}
+
+func (m *migrateLambdaDashboards) loadSpec() (map[string]any, error) {
+	raw, err := lambdaDashboardFiles.ReadFile(lambdaDashboardFile)
+	if err != nil {
+		return nil, err
+	}
+
+	var dashboard lambdaDashboardDefinition
+	if err := json.Unmarshal(raw, &dashboard); err != nil {
+		return nil, err
+	}
+
+	return dashboard.Spec, nil
+}

pkg/sqlmigration/116_migrate_lambda_dashboards/aws/lambda/overview.json

@@ -0,0 +1,856 @@
+{
+  "schemaVersion": "v6",
+  "image": "data:image/svg+xml;base64,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",
+  "name": "",
+  "generateName": true,
+  "tags": [],
+  "spec": {
+    "display": {
+      "name": "AWS Lambda Overview",
+      "description": "Overview of AWS Lambda functions"
+    },
+    "variables": [
+      {
+        "kind": "ListVariable",
+        "spec": {
+          "display": {
+            "name": "Account",
+            "description": "AWS Account"
+          },
+          "allowAllValue": false,
+          "allowMultiple": false,
+          "customAllValue": "",
+          "capturingRegexp": "",
+          "sort": "none",
+          "plugin": {
+            "kind": "signoz/QueryVariable",
+            "spec": {
+              "queryValue": "SELECT JSONExtractString(labels, 'cloud.account.id') as `cloud.account.id`\nFROM signoz_metrics.distributed_time_series_v4_1day\nWHERE \n    metric_name like 'aws_Lambda_Invocations_sum'\nGROUP BY `cloud.account.id`\n\n"
+            }
+          },
+          "name": "Account"
+        }
+      },
+      {
+        "kind": "ListVariable",
+        "spec": {
+          "display": {
+            "name": "Region",
+            "description": "AWS Region"
+          },
+          "allowAllValue": false,
+          "allowMultiple": false,
+          "customAllValue": "",
+          "capturingRegexp": "",
+          "sort": "none",
+          "plugin": {
+            "kind": "signoz/QueryVariable",
+            "spec": {
+              "queryValue": "SELECT JSONExtractString(labels, 'cloud.region') as `cloud.region`\nFROM signoz_metrics.distributed_time_series_v4_1day\nWHERE \n    metric_name like 'aws_Lambda_Invocations_sum'\n    and JSONExtractString(labels, 'cloud.account.id') IN {{.Account}}\nGROUP BY `cloud.region`\n"
+            }
+          },
+          "name": "Region"
+        }
+      },
+      {
+        "kind": "ListVariable",
+        "spec": {
+          "display": {
+            "name": "FunctionName",
+            "description": "Name of the Lambda function"
+          },
+          "allowAllValue": true,
+          "allowMultiple": true,
+          "customAllValue": "",
+          "capturingRegexp": "",
+          "sort": "none",
+          "plugin": {
+            "kind": "signoz/DynamicVariable",
+            "spec": {
+              "name": "FunctionName",
+              "signal": "metrics"
+            }
+          },
+          "name": "FunctionName"
+        }
+      }
+    ],
+    "panels": {
+      "2516c785-b025-49b3-aeb4-a4735ccb2709": {
+        "kind": "Panel",
+        "spec": {
+          "display": {
+            "name": "Errors",
+            "description": "The number of invocations that result in a function error. Function errors include exceptions that your code throws and exceptions that the Lambda runtime throws. The runtime returns errors for issues such as timeouts and configuration errors. To calculate the error rate, divide the value of Errors by the value of Invocations. Note that the timestamp on an error metric reflects when the function was invoked, not when the error occurred.\n\nSee more at https://docs.aws.amazon.com/lambda/latest/dg/monitoring-metrics-types.html"
+          },
+          "plugin": {
+            "kind": "signoz/TimeSeriesPanel",
+            "spec": {
+              "visualization": {
+                "timePreference": "global_time",
+                "fillSpans": false
+              },
+              "formatting": {
+                "unit": "none",
+                "decimalPrecision": "2"
+              },
+              "chartAppearance": {
+                "lineInterpolation": "spline",
+                "showPoints": false,
+                "lineStyle": "solid",
+                "fillMode": "none",
+                "spanGaps": {
+                  "fillOnlyBelow": false,
+                  "fillLessThan": ""
+                }
+              },
+              "axes": {
+                "softMin": 0,
+                "softMax": 0,
+                "isLogScale": false
+              },
+              "legend": {
+                "position": "bottom",
+                "mode": "list",
+                "customColors": null
+              },
+              "thresholds": null
+            }
+          },
+          "queries": [
+            {
+              "kind": "time_series",
+              "spec": {
+                "name": "A",
+                "plugin": {
+                  "kind": "signoz/BuilderQuery",
+                  "spec": {
+                    "name": "A",
+                    "stepInterval": 60,
+                    "signal": "metrics",
+                    "source": "",
+                    "aggregations": [
+                      {
+                        "metricName": "aws_Lambda_Errors_sum",
+                        "temporality": "",
+                        "timeAggregation": "sum",
+                        "spaceAggregation": "sum",
+                        "reduceTo": "avg"
+                      }
+                    ],
+                    "disabled": false,
+                    "filter": {
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
+                    },
+                    "groupBy": [
+                      {
+                        "name": "cloud.account.id",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "cloud.region",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "FunctionName",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      }
+                    ],
+                    "order": [],
+                    "having": {
+                      "expression": ""
+                    },
+                    "functions": [],
+                    "legend": "{{FunctionName}}"
+                  }
+                }
+              }
+            }
+          ],
+          "links": []
+        }
+      },
+      "4119a1e5-32a8-4859-96e9-a5451114782b": {
+        "kind": "Panel",
+        "spec": {
+          "display": {
+            "name": "Async events dropped",
+            "description": "The number of events that are dropped without successfully executing the function. If you configure a dead-letter queue (DLQ) or OnFailure destination, then events are sent there before they're dropped. Events are dropped for various reasons. For example, events can exceed the maximum event age or exhaust the maximum retry attempts, or reserved concurrency might be set to 0. To troubleshoot why events are dropped, look at the Errors metric to identify function errors and the Throttles metric to identify concurrency issues.\n\nSee more at https://docs.aws.amazon.com/lambda/latest/dg/monitoring-metrics-types.html"
+          },
+          "plugin": {
+            "kind": "signoz/TimeSeriesPanel",
+            "spec": {
+              "visualization": {
+                "timePreference": "global_time",
+                "fillSpans": false
+              },
+              "formatting": {
+                "unit": "none",
+                "decimalPrecision": "2"
+              },
+              "chartAppearance": {
+                "lineInterpolation": "spline",
+                "showPoints": false,
+                "lineStyle": "solid",
+                "fillMode": "none",
+                "spanGaps": {
+                  "fillOnlyBelow": false,
+                  "fillLessThan": ""
+                }
+              },
+              "axes": {
+                "softMin": 0,
+                "softMax": 0,
+                "isLogScale": false
+              },
+              "legend": {
+                "position": "bottom",
+                "mode": "list",
+                "customColors": null
+              },
+              "thresholds": null
+            }
+          },
+          "queries": [
+            {
+              "kind": "time_series",
+              "spec": {
+                "name": "A",
+                "plugin": {
+                  "kind": "signoz/BuilderQuery",
+                  "spec": {
+                    "name": "A",
+                    "stepInterval": 60,
+                    "signal": "metrics",
+                    "source": "",
+                    "aggregations": [
+                      {
+                        "metricName": "aws_Lambda_AsyncEventsDropped_sum",
+                        "temporality": "",
+                        "timeAggregation": "sum",
+                        "spaceAggregation": "sum",
+                        "reduceTo": "avg"
+                      }
+                    ],
+                    "disabled": false,
+                    "filter": {
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
+                    },
+                    "groupBy": [
+                      {
+                        "name": "cloud.account.id",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "cloud.region",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "FunctionName",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      }
+                    ],
+                    "order": [],
+                    "having": {
+                      "expression": ""
+                    },
+                    "functions": [],
+                    "legend": "{{FunctionName}}"
+                  }
+                }
+              }
+            }
+          ],
+          "links": []
+        }
+      },
+      "6354ea62-e82b-4323-a33d-eef92519e843": {
+        "kind": "Panel",
+        "spec": {
+          "display": {
+            "name": "Throttles",
+            "description": "The number of invocation requests that are throttled. When all function instances are processing requests and no concurrency is available to scale up, Lambda rejects additional requests with a TooManyRequestsException error. Throttled requests and other invocation errors don't count as either Invocations or Errors.\n\nSee more at https://docs.aws.amazon.com/lambda/latest/dg/monitoring-metrics-types.html"
+          },
+          "plugin": {
+            "kind": "signoz/TimeSeriesPanel",
+            "spec": {
+              "visualization": {
+                "timePreference": "global_time",
+                "fillSpans": false
+              },
+              "formatting": {
+                "unit": "none",
+                "decimalPrecision": "2"
+              },
+              "chartAppearance": {
+                "lineInterpolation": "spline",
+                "showPoints": false,
+                "lineStyle": "solid",
+                "fillMode": "none",
+                "spanGaps": {
+                  "fillOnlyBelow": false,
+                  "fillLessThan": ""
+                }
+              },
+              "axes": {
+                "softMin": 0,
+                "softMax": 0,
+                "isLogScale": false
+              },
+              "legend": {
+                "position": "bottom",
+                "mode": "list",
+                "customColors": null
+              },
+              "thresholds": null
+            }
+          },
+          "queries": [
+            {
+              "kind": "time_series",
+              "spec": {
+                "name": "A",
+                "plugin": {
+                  "kind": "signoz/BuilderQuery",
+                  "spec": {
+                    "name": "A",
+                    "stepInterval": 60,
+                    "signal": "metrics",
+                    "source": "",
+                    "aggregations": [
+                      {
+                        "metricName": "aws_Lambda_Throttles_sum",
+                        "temporality": "",
+                        "timeAggregation": "sum",
+                        "spaceAggregation": "sum",
+                        "reduceTo": "avg"
+                      }
+                    ],
+                    "disabled": false,
+                    "filter": {
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
+                    },
+                    "groupBy": [
+                      {
+                        "name": "cloud.account.id",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "cloud.region",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "FunctionName",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      }
+                    ],
+                    "order": [],
+                    "having": {
+                      "expression": ""
+                    },
+                    "functions": [],
+                    "legend": "{{FunctionName}}"
+                  }
+                }
+              }
+            }
+          ],
+          "links": []
+        }
+      },
+      "853d3a92-b396-4064-8762-18d7487989e0": {
+        "kind": "Panel",
+        "spec": {
+          "display": {
+            "name": "Async events received",
+            "description": "The number of events that Lambda successfully queues for processing. This metric provides insight into the number of events that a Lambda function receives. Monitor this metric and set alarms for thresholds to check for issues. For example, to detect an undesirable number of events sent to Lambda, and to quickly diagnose issues resulting from incorrect trigger or function configurations. Mismatches between AsyncEventsReceived and Invocations can indicate a disparity in processing, events being dropped, or a potential queue backlog.\n\nSee more at https://docs.aws.amazon.com/lambda/latest/dg/monitoring-metrics-types.html"
+          },
+          "plugin": {
+            "kind": "signoz/TimeSeriesPanel",
+            "spec": {
+              "visualization": {
+                "timePreference": "global_time",
+                "fillSpans": false
+              },
+              "formatting": {
+                "unit": "none",
+                "decimalPrecision": "2"
+              },
+              "chartAppearance": {
+                "lineInterpolation": "spline",
+                "showPoints": false,
+                "lineStyle": "solid",
+                "fillMode": "none",
+                "spanGaps": {
+                  "fillOnlyBelow": false,
+                  "fillLessThan": ""
+                }
+              },
+              "axes": {
+                "softMin": 0,
+                "softMax": 0,
+                "isLogScale": false
+              },
+              "legend": {
+                "position": "bottom",
+                "mode": "list",
+                "customColors": null
+              },
+              "thresholds": null
+            }
+          },
+          "queries": [
+            {
+              "kind": "time_series",
+              "spec": {
+                "name": "A",
+                "plugin": {
+                  "kind": "signoz/BuilderQuery",
+                  "spec": {
+                    "name": "A",
+                    "stepInterval": 60,
+                    "signal": "metrics",
+                    "source": "",
+                    "aggregations": [
+                      {
+                        "metricName": "aws_Lambda_AsyncEventsReceived_sum",
+                        "temporality": "",
+                        "timeAggregation": "sum",
+                        "spaceAggregation": "sum",
+                        "reduceTo": "avg"
+                      }
+                    ],
+                    "disabled": false,
+                    "filter": {
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
+                    },
+                    "groupBy": [
+                      {
+                        "name": "cloud.account.id",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "cloud.region",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "FunctionName",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      }
+                    ],
+                    "order": [],
+                    "having": {
+                      "expression": ""
+                    },
+                    "functions": [],
+                    "legend": "{{FunctionName}}"
+                  }
+                }
+              }
+            }
+          ],
+          "links": []
+        }
+      },
+      "877bb5c8-331c-492f-b666-2054c2ae39bd": {
+        "kind": "Panel",
+        "spec": {
+          "display": {
+            "name": "Invocations",
+            "description": "The number of times that your function code is invoked, including successful invocations and invocations that result in a function error. Invocations aren't recorded if the invocation request is throttled or otherwise results in an invocation error. The value of Invocations equals the number of requests billed.\n\nSee more at https://docs.aws.amazon.com/lambda/latest/dg/monitoring-metrics-types.html"
+          },
+          "plugin": {
+            "kind": "signoz/TimeSeriesPanel",
+            "spec": {
+              "visualization": {
+                "timePreference": "global_time",
+                "fillSpans": false
+              },
+              "formatting": {
+                "unit": "none",
+                "decimalPrecision": "2"
+              },
+              "chartAppearance": {
+                "lineInterpolation": "spline",
+                "showPoints": false,
+                "lineStyle": "solid",
+                "fillMode": "none",
+                "spanGaps": {
+                  "fillOnlyBelow": false,
+                  "fillLessThan": ""
+                }
+              },
+              "axes": {
+                "softMin": 0,
+                "softMax": 0,
+                "isLogScale": false
+              },
+              "legend": {
+                "position": "bottom",
+                "mode": "list",
+                "customColors": null
+              },
+              "thresholds": null
+            }
+          },
+          "queries": [
+            {
+              "kind": "time_series",
+              "spec": {
+                "name": "A",
+                "plugin": {
+                  "kind": "signoz/BuilderQuery",
+                  "spec": {
+                    "name": "A",
+                    "stepInterval": 60,
+                    "signal": "metrics",
+                    "source": "",
+                    "aggregations": [
+                      {
+                        "metricName": "aws_Lambda_Invocations_sum",
+                        "temporality": "",
+                        "timeAggregation": "sum",
+                        "spaceAggregation": "sum",
+                        "reduceTo": "avg"
+                      }
+                    ],
+                    "disabled": false,
+                    "filter": {
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
+                    },
+                    "groupBy": [
+                      {
+                        "name": "cloud.account.id",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "cloud.region",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "FunctionName",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      }
+                    ],
+                    "order": [],
+                    "having": {
+                      "expression": ""
+                    },
+                    "functions": [],
+                    "legend": "{{FunctionName}}"
+                  }
+                }
+              }
+            }
+          ],
+          "links": []
+        }
+      },
+      "ae6d7c81-d921-4d4c-95ec-6b42d900ea45": {
+        "kind": "Panel",
+        "spec": {
+          "display": {
+            "name": "Max Async Event Age",
+            "description": "The time between when Lambda successfully queues the event and when the function is invoked. The value of this metric increases when events are being retried due to invocation failures or throttling. Monitor this metric and set alarms for thresholds on different statistics for when a queue buildup occurs. To troubleshoot an increase in this metric, look at the Errors metric to identify function errors and the Throttles metric to identify concurrency issues.\n\nSee more at https://docs.aws.amazon.com/lambda/latest/dg/monitoring-metrics-types.html"
+          },
+          "plugin": {
+            "kind": "signoz/TimeSeriesPanel",
+            "spec": {
+              "visualization": {
+                "timePreference": "global_time",
+                "fillSpans": false
+              },
+              "formatting": {
+                "unit": "ms",
+                "decimalPrecision": "2"
+              },
+              "chartAppearance": {
+                "lineInterpolation": "spline",
+                "showPoints": false,
+                "lineStyle": "solid",
+                "fillMode": "none",
+                "spanGaps": {
+                  "fillOnlyBelow": false,
+                  "fillLessThan": ""
+                }
+              },
+              "axes": {
+                "softMin": 0,
+                "softMax": 0,
+                "isLogScale": false
+              },
+              "legend": {
+                "position": "bottom",
+                "mode": "list",
+                "customColors": null
+              },
+              "thresholds": null
+            }
+          },
+          "queries": [
+            {
+              "kind": "time_series",
+              "spec": {
+                "name": "A",
+                "plugin": {
+                  "kind": "signoz/BuilderQuery",
+                  "spec": {
+                    "name": "A",
+                    "stepInterval": 60,
+                    "signal": "metrics",
+                    "source": "",
+                    "aggregations": [
+                      {
+                        "metricName": "aws_Lambda_AsyncEventAge_max",
+                        "temporality": "",
+                        "timeAggregation": "max",
+                        "spaceAggregation": "max",
+                        "reduceTo": "avg"
+                      }
+                    ],
+                    "disabled": false,
+                    "filter": {
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
+                    },
+                    "groupBy": [
+                      {
+                        "name": "cloud.account.id",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "cloud.region",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "FunctionName",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      }
+                    ],
+                    "order": [],
+                    "having": {
+                      "expression": ""
+                    },
+                    "functions": [],
+                    "legend": "{{FunctionName}}"
+                  }
+                }
+              }
+            }
+          ],
+          "links": []
+        }
+      },
+      "b038520d-0756-4e46-a915-12a2f19a0254": {
+        "kind": "Panel",
+        "spec": {
+          "display": {
+            "name": "Max Duration",
+            "description": "The amount of time that your function code spends processing an event. The billed duration for an invocation is the value of Duration rounded up to the nearest millisecond. Duration does not include cold start time.\n\nSee more at https://docs.aws.amazon.com/lambda/latest/dg/monitoring-metrics-types.html"
+          },
+          "plugin": {
+            "kind": "signoz/TimeSeriesPanel",
+            "spec": {
+              "visualization": {
+                "timePreference": "global_time",
+                "fillSpans": false
+              },
+              "formatting": {
+                "unit": "ms",
+                "decimalPrecision": "2"
+              },
+              "chartAppearance": {
+                "lineInterpolation": "spline",
+                "showPoints": false,
+                "lineStyle": "solid",
+                "fillMode": "none",
+                "spanGaps": {
+                  "fillOnlyBelow": false,
+                  "fillLessThan": ""
+                }
+              },
+              "axes": {
+                "softMin": 0,
+                "softMax": 0,
+                "isLogScale": false
+              },
+              "legend": {
+                "position": "bottom",
+                "mode": "list",
+                "customColors": null
+              },
+              "thresholds": null
+            }
+          },
+          "queries": [
+            {
+              "kind": "time_series",
+              "spec": {
+                "name": "A",
+                "plugin": {
+                  "kind": "signoz/BuilderQuery",
+                  "spec": {
+                    "name": "A",
+                    "stepInterval": 60,
+                    "signal": "metrics",
+                    "source": "",
+                    "aggregations": [
+                      {
+                        "metricName": "aws_Lambda_Duration_max",
+                        "temporality": "",
+                        "timeAggregation": "max",
+                        "spaceAggregation": "max",
+                        "reduceTo": "avg"
+                      }
+                    ],
+                    "disabled": false,
+                    "filter": {
+                      "expression": "(cloud.account.id = $Account AND cloud.region = $Region AND FunctionName EXISTS AND Resource NOT EXISTS) AND FunctionName IN $FunctionName"
+                    },
+                    "groupBy": [
+                      {
+                        "name": "cloud.account.id",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "cloud.region",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      },
+                      {
+                        "name": "FunctionName",
+                        "signal": "",
+                        "fieldContext": "attribute",
+                        "fieldDataType": "string"
+                      }
+                    ],
+                    "order": [],
+                    "having": {
+                      "expression": ""
+                    },
+                    "functions": [],
+                    "legend": "{{FunctionName}}"
+                  }
+                }
+              }
+            }
+          ],
+          "links": []
+        }
+      }
+    },
+    "layouts": [
+      {
+        "kind": "Grid",
+        "spec": {
+          "items": [
+            {
+              "x": 0,
+              "y": 0,
+              "width": 6,
+              "height": 6,
+              "content": {
+                "$ref": "#/spec/panels/877bb5c8-331c-492f-b666-2054c2ae39bd"
+              }
+            },
+            {
+              "x": 6,
+              "y": 0,
+              "width": 6,
+              "height": 6,
+              "content": {
+                "$ref": "#/spec/panels/b038520d-0756-4e46-a915-12a2f19a0254"
+              }
+            },
+            {
+              "x": 0,
+              "y": 6,
+              "width": 6,
+              "height": 6,
+              "content": {
+                "$ref": "#/spec/panels/2516c785-b025-49b3-aeb4-a4735ccb2709"
+              }
+            },
+            {
+              "x": 6,
+              "y": 6,
+              "width": 6,
+              "height": 6,
+              "content": {
+                "$ref": "#/spec/panels/6354ea62-e82b-4323-a33d-eef92519e843"
+              }
+            },
+            {
+              "x": 0,
+              "y": 12,
+              "width": 6,
+              "height": 6,
+              "content": {
+                "$ref": "#/spec/panels/853d3a92-b396-4064-8762-18d7487989e0"
+              }
+            },
+            {
+              "x": 6,
+              "y": 12,
+              "width": 6,
+              "height": 6,
+              "content": {
+                "$ref": "#/spec/panels/ae6d7c81-d921-4d4c-95ec-6b42d900ea45"
+              }
+            },
+            {
+              "x": 0,
+              "y": 18,
+              "width": 6,
+              "height": 6,
+              "content": {
+                "$ref": "#/spec/panels/4119a1e5-32a8-4859-96e9-a5451114782b"
+              }
+            }
+          ]
+        }
+      }
+    ],
+    "duration": "",
+    "refreshInterval": "",
+    "links": []
+  }
+}

pkg/statementbuilder/resourcefilter/condition_builder.go

@@ -96,7 +96,7 @@ func valueIndexCondition(
 func memberPresenceCondition(sb *sqlbuilder.SelectBuilder, column string, members []*telemetrytypes.TelemetryFieldKey, exists bool) string {
 	conditions := make([]string, 0, len(members))
 	for _, member := range members {
-		field := fmt.Sprintf("simpleJSONHas(%s, %s)", column, querybuilder.ClickHouseStringLiteral(member.Name))
+		field := fmt.Sprintf("simpleJSONHas(%s, '%s')", column, member.Name)
 		if exists {
 			conditions = append(conditions, sb.E(field, true))
 		} else {

pkg/statementbuilder/resourcefilter/field_mapper.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 
 	schema "github.com/SigNoz/signoz-otel-collector/cmd/signozschemamigrator/schema_migrator"
-	"github.com/SigNoz/signoz/pkg/querybuilder"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	"github.com/SigNoz/signoz/pkg/valuer"
@@ -67,7 +66,7 @@ func (m *defaultFieldMapper) FieldFor(
 		return "", err
 	}
 	if key.FieldContext == telemetrytypes.FieldContextResource {
-		return fmt.Sprintf("simpleJSONExtractString(%s, %s)", columns[0].Name, querybuilder.ClickHouseStringLiteral(key.Name)), nil
+		return fmt.Sprintf("simpleJSONExtractString(%s, '%s')", columns[0].Name, key.Name), nil
 	}
 	return columns[0].Name, nil
 }
@@ -92,7 +91,7 @@ func (m *defaultFieldMapper) ExistsFor(
 		}
 		return "false", nil
 	}
-	pred := fmt.Sprintf("simpleJSONHas(%s, %s)", columns[0].Name, querybuilder.ClickHouseStringLiteral(key.Name))
+	pred := fmt.Sprintf("simpleJSONHas(%s, '%s')", columns[0].Name, key.Name)
 	if exists {
 		return pred, nil
 	}
@@ -111,5 +110,5 @@ func (m *defaultFieldMapper) ColumnExpressionFor(
 	if err != nil {
 		return "", err
 	}
-	return fmt.Sprintf("%s AS %s", fieldExpression, querybuilder.ClickHouseIdentifier(key.Name)), nil
+	return fmt.Sprintf("%s AS `%s`", fieldExpression, key.Name), nil
 }

pkg/telemetrymetadata/condition_builder.go

@@ -168,7 +168,7 @@ func (c *conditionBuilder) conditionForKey(
 			KeyType:   schema.LowCardinalityColumnType{ElementType: schema.ColumnTypeString},
 			ValueType: schema.ColumnTypeString,
 		}:
-			leftOperand := fmt.Sprintf("mapContains(%s, %s)", columns[0].Name, querybuilder.ClickHouseStringLiteral(key.Name))
+			leftOperand := fmt.Sprintf("mapContains(%s, '%s')", columns[0].Name, key.Name)
 			if operator == qbtypes.FilterOperatorExists {
 				cond = sb.E(leftOperand, true)
 			} else {

pkg/telemetrymetadata/field_mapper.go

@@ -7,7 +7,6 @@ import (
 
 	schema "github.com/SigNoz/signoz-otel-collector/cmd/signozschemamigrator/schema_migrator"
 	"github.com/SigNoz/signoz/pkg/errors"
-	"github.com/SigNoz/signoz/pkg/querybuilder"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	"github.com/SigNoz/signoz/pkg/valuer"
@@ -65,7 +64,7 @@ func (m *fieldMapper) ExistsFor(ctx context.Context, _ valuer.UUID, tsStart, tsE
 	if err != nil {
 		return "", err
 	}
-	pred := fmt.Sprintf("mapContains(%s, %s)", columns[0].Name, querybuilder.ClickHouseStringLiteral(key.Name))
+	pred := fmt.Sprintf("mapContains(%s, '%s')", columns[0].Name, key.Name)
 	if exists {
 		return pred, nil
 	}
@@ -83,7 +82,7 @@ func (m *fieldMapper) FieldFor(ctx context.Context, _ valuer.UUID, startNs, endN
 		KeyType:   schema.LowCardinalityColumnType{ElementType: schema.ColumnTypeString},
 		ValueType: schema.ColumnTypeString,
 	}:
-		return fmt.Sprintf("%s[%s]", columns[0].Name, querybuilder.ClickHouseStringLiteral(key.Name)), nil
+		return fmt.Sprintf("%s['%s']", columns[0].Name, key.Name), nil
 	}
 	return columns[0].Name, nil
 }
@@ -131,5 +130,5 @@ func (m *fieldMapper) ColumnExpressionFor(
 		}
 	}
 
-	return fmt.Sprintf("%s AS %s", sqlbuilder.Escape(fieldExpression), querybuilder.ClickHouseIdentifier(field.Name)), nil
+	return fmt.Sprintf("%s AS `%s`", sqlbuilder.Escape(fieldExpression), field.Name), nil
 }

pkg/telemetryschema/audittelemetryschema/field_mapper.go

@@ -68,7 +68,7 @@ func (m *fieldMapper) FieldFor(ctx context.Context, _ valuer.UUID, _, _ uint64,
 		if key.FieldContext != telemetrytypes.FieldContextResource {
 			return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "only resource context fields are supported for json columns in audit, got %s", key.FieldContext.String)
 		}
-		return fmt.Sprintf("%s.%s::String", column.Name, querybuilder.ClickHouseIdentifier(key.Name)), nil
+		return fmt.Sprintf("%s.`%s`::String", column.Name, key.Name), nil
 	case schema.ColumnTypeEnumLowCardinality:
 		return column.Name, nil
 	case schema.ColumnTypeEnumString, schema.ColumnTypeEnumUInt64, schema.ColumnTypeEnumUInt32, schema.ColumnTypeEnumUInt8:
@@ -84,7 +84,7 @@ func (m *fieldMapper) FieldFor(ctx context.Context, _ valuer.UUID, _, _ uint64,
 			if key.Materialized {
 				return telemetrytypes.FieldKeyToMaterializedColumnName(key), nil
 			}
-			return fmt.Sprintf("%s[%s]", column.Name, querybuilder.ClickHouseStringLiteral(key.Name)), nil
+			return fmt.Sprintf("%s['%s']", column.Name, key.Name), nil
 		default:
 			return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "unsupported map value type %s", valueType)
 		}
@@ -156,7 +156,7 @@ func (m *fieldMapper) ColumnExpressionFor(
 		return fmt.Sprintf("multiIf(%s, %s, NULL)", guard, coerced), nil
 	}
 
-	return fmt.Sprintf("%s AS %s", sqlbuilder.Escape(fieldExpression), querybuilder.ClickHouseIdentifier(field.Name)), nil
+	return fmt.Sprintf("%s AS `%s`", sqlbuilder.Escape(fieldExpression), field.Name), nil
 }
 
 // CandidateKeys returns nil: audit has no synthesize-on-unknown-key fallback, so an

pkg/telemetryschema/logstelemetryschema/field_mapper.go

@@ -141,8 +141,8 @@ func (m *fieldMapper) FieldFor(ctx context.Context, orgID valuer.UUID, tsStart,
 		case schema.ColumnTypeEnumJSON:
 			switch key.FieldContext {
 			case telemetrytypes.FieldContextResource:
-				exprs = append(exprs, fmt.Sprintf("%s.%s::String", columnName, querybuilder.ClickHouseIdentifier(key.Name)))
-				existExpr = append(existExpr, fmt.Sprintf("%s.%s IS NOT NULL", columnName, querybuilder.ClickHouseIdentifier(key.Name)))
+				exprs = append(exprs, fmt.Sprintf("%s.`%s`::String", columnName, key.Name))
+				existExpr = append(existExpr, fmt.Sprintf("%s.`%s` IS NOT NULL", columnName, key.Name))
 			case telemetrytypes.FieldContextBody:
 				if key.Name == messageSubField {
 					exprs = append(exprs, messageSubColumn)
@@ -186,8 +186,8 @@ func (m *fieldMapper) FieldFor(ctx context.Context, orgID valuer.UUID, tsStart,
 					exprs = append(exprs, telemetrytypes.FieldKeyToMaterializedColumnName(key))
 					existExpr = append(existExpr, telemetrytypes.FieldKeyToMaterializedColumnNameForExists(key))
 				} else {
-					exprs = append(exprs, fmt.Sprintf("%s[%s]", columnName, querybuilder.ClickHouseStringLiteral(key.Name)))
-					existExpr = append(existExpr, fmt.Sprintf("mapContains(%s, %s)", columnName, querybuilder.ClickHouseStringLiteral(key.Name)))
+					exprs = append(exprs, fmt.Sprintf("%s['%s']", columnName, key.Name))
+					existExpr = append(existExpr, fmt.Sprintf("mapContains(%s, '%s')", columnName, key.Name))
 				}
 			default:
 				return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "exists operator is not supported for map column type %s", valueType)
@@ -415,7 +415,7 @@ func (m *fieldMapper) buildFieldForJSON(key *telemetrytypes.TelemetryFieldKey) (
 			elemType = telemetrytypes.String
 		}
 
-		fieldPath := fmt.Sprintf("%s.%s", LogsV2BodyV2Column, querybuilder.ClickHouseIdentifier(key.Name))
+		fieldPath := fmt.Sprintf("%s.`%s`", LogsV2BodyV2Column, key.Name)
 		return fmt.Sprintf("dynamicElement(%s, '%s')", fieldPath, elemType.StringValue()), nil
 	}
 

pkg/telemetryschema/logstelemetryschema/json_condition_builder.go

@@ -41,7 +41,7 @@ func (c *jsonConditionBuilder) buildJSONCondition(operator qbtypes.FilterOperato
 
 	// path index
 	if operator.AddDefaultExistsFilter() {
-		pathIndex := fmt.Sprintf(`has(%s, %s)`, schemamigrator.JSONPathsIndexExpr(LogsV2BodyV2Column), querybuilder.ClickHouseStringLiteral(c.key.ArrayParentPaths()[0]))
+		pathIndex := fmt.Sprintf(`has(%s, '%s')`, schemamigrator.JSONPathsIndexExpr(LogsV2BodyV2Column), c.key.ArrayParentPaths()[0])
 		return sb.And(baseCond, pathIndex), nil
 	}
 

pkg/telemetryschema/metricstelemetryschema/condition_builder.go

@@ -136,9 +136,9 @@ func (c *conditionBuilder) conditionFor(
 		}
 
 		if operator == qbtypes.FilterOperatorExists {
-			return fmt.Sprintf("has(JSONExtractKeys(labels), %s)", querybuilder.ClickHouseStringLiteral(key.Name)), nil
+			return fmt.Sprintf("has(JSONExtractKeys(labels), '%s')", key.Name), nil
 		}
-		return fmt.Sprintf("not has(JSONExtractKeys(labels), %s)", querybuilder.ClickHouseStringLiteral(key.Name)), nil
+		return fmt.Sprintf("not has(JSONExtractKeys(labels), '%s')", key.Name), nil
 	}
 	return "", errors.NewInvalidInputf(errors.CodeInvalidInput, "unsupported operator: %v", operator)
 }

pkg/telemetryschema/metricstelemetryschema/field_mapper.go

@@ -6,7 +6,6 @@ import (
 	"slices"
 
 	schema "github.com/SigNoz/signoz-otel-collector/cmd/signozschemamigrator/schema_migrator"
-	"github.com/SigNoz/signoz/pkg/querybuilder"
 	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
 	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
 	"github.com/SigNoz/signoz/pkg/valuer"
@@ -80,14 +79,14 @@ func (m *fieldMapper) FieldFor(ctx context.Context, _ valuer.UUID, startNs, endN
 
 	switch key.FieldContext {
 	case telemetrytypes.FieldContextResource, telemetrytypes.FieldContextScope, telemetrytypes.FieldContextAttribute:
-		return fmt.Sprintf("JSONExtractString(%s, %s)", columns[0].Name, querybuilder.ClickHouseStringLiteral(key.Name)), nil
+		return fmt.Sprintf("JSONExtractString(%s, '%s')", columns[0].Name, key.Name), nil
 	case telemetrytypes.FieldContextMetric:
 		return columns[0].Name, nil
 	case telemetrytypes.FieldContextUnspecified:
 		if slices.Contains(IntrinsicFields, key.Name) {
 			return columns[0].Name, nil
 		}
-		return fmt.Sprintf("JSONExtractString(%s, %s)", columns[0].Name, querybuilder.ClickHouseStringLiteral(key.Name)), nil
+		return fmt.Sprintf("JSONExtractString(%s, '%s')", columns[0].Name, key.Name), nil
 	}
 
 	return columns[0].Name, nil
@@ -104,9 +103,9 @@ func (m *fieldMapper) ExistsFor(_ context.Context, _ valuer.UUID, _, _ uint64, k
 		return "true", nil
 	}
 	if exists {
-		return fmt.Sprintf("has(JSONExtractKeys(labels), %s)", querybuilder.ClickHouseStringLiteral(key.Name)), nil
+		return fmt.Sprintf("has(JSONExtractKeys(labels), '%s')", key.Name), nil
 	}
-	return fmt.Sprintf("not has(JSONExtractKeys(labels), %s)", querybuilder.ClickHouseStringLiteral(key.Name)), nil
+	return fmt.Sprintf("not has(JSONExtractKeys(labels), '%s')", key.Name), nil
 }
 
 func (m *fieldMapper) ColumnExpressionFor(

pkg/telemetryschema/tracestelemetryschema/field_mapper.go

@@ -298,8 +298,8 @@ func (m *fieldMapper) resolveColumnExprs(
 			}
 			// have to add ::string as clickHouse throws an error :- data types Variant/Dynamic are not allowed in GROUP BY
 			// once clickHouse dependency is updated, we need to check if we can remove it.
-			exprs = append(exprs, fmt.Sprintf("%s.%s::String", columnName, querybuilder.ClickHouseIdentifier(key.Name)))
-			existExprs = append(existExprs, fmt.Sprintf("%s.%s IS NOT NULL", columnName, querybuilder.ClickHouseIdentifier(key.Name)))
+			exprs = append(exprs, fmt.Sprintf("%s.`%s`::String", columnName, key.Name))
+			existExprs = append(existExprs, fmt.Sprintf("%s.`%s` IS NOT NULL", columnName, key.Name))
 		case schema.ColumnTypeEnumString,
 			schema.ColumnTypeEnumUInt64,
 			schema.ColumnTypeEnumUInt32,
@@ -329,8 +329,8 @@ func (m *fieldMapper) resolveColumnExprs(
 					exprs = append(exprs, telemetrytypes.FieldKeyToMaterializedColumnName(key))
 					existExprs = append(existExprs, telemetrytypes.FieldKeyToMaterializedColumnNameForExists(key))
 				} else {
-					exprs = append(exprs, fmt.Sprintf("%s[%s]", columnName, querybuilder.ClickHouseStringLiteral(key.Name)))
-					existExprs = append(existExprs, fmt.Sprintf("mapContains(%s, %s)", columnName, querybuilder.ClickHouseStringLiteral(key.Name)))
+					exprs = append(exprs, fmt.Sprintf("%s['%s']", columnName, key.Name))
+					existExprs = append(existExprs, fmt.Sprintf("mapContains(%s, '%s')", columnName, key.Name))
 				}
 			default:
 				return nil, nil, nil, errors.NewInvalidInputf(errors.CodeInvalidInput, "value type %s is not supported for map column type %s", valueType, column.Type)