feat(qb): parse search() in the filter grammar (not yet implemented)

grammar/FilterQuery.g4

@@ -32,11 +32,12 @@ unaryExpression
     ;
 
 // Primary constructs: grouped expressions, a comparison (key op value),
-// a function call, or a full-text string
+// a function call, a search() full-text call, or a free-text string
 primary
     : LPAREN orExpression RPAREN
     | comparison
     | functionCall
+    | searchCall
     | fullText
     | key
     | value
@@ -110,6 +111,18 @@ functionCall
     : (HASTOKEN | HAS | HASANY | HASALL) LPAREN functionParamList RPAREN
     ;
 
+/*
+ * Full-text search call: search('needle')
+ *
+ * Uses the shared functionParamList so future scoped forms like
+ * search(body, 'abc') / search(attribute, 'abc') need no grammar change. Today
+ * only a single needle is supported. Unlike bare/quoted free text (`fullText`),
+ * which only targets the body column, search() fans out across every field.
+ */
+searchCall
+    : SEARCH LPAREN functionParamList RPAREN
+    ;
+
 // Function parameters can be keys, single scalar values, or arrays
 functionParamList
     : functionParam ( COMMA functionParam )*
@@ -184,6 +197,7 @@ HASTOKEN    : [Hh][Aa][Ss][Tt][Oo][Kk][Ee][Nn];
 HAS         : [Hh][Aa][Ss] ;
 HASANY      : [Hh][Aa][Ss][Aa][Nn][Yy] ;
 HASALL      : [Hh][Aa][Ss][Aa][Ll][Ll] ;
+SEARCH      : [Ss][Ee][Aa][Rr][Cc][Hh] ;
 
 // Potential boolean constants
 BOOL

pkg/contextlinks/alert_link_visitor.go

@@ -101,12 +101,12 @@ func PrepareFilterExpression(labels map[string]string, whereClause string, group
 }
 
 // Visit implements the visitor for the query rule.
-func (r *WhereClauseRewriter) Visit(tree antlr.ParseTree) interface{} {
+func (r *WhereClauseRewriter) Visit(tree antlr.ParseTree) any {
 	return tree.Accept(r)
 }
 
 // VisitQuery visits the query node.
-func (r *WhereClauseRewriter) VisitQuery(ctx *parser.QueryContext) interface{} {
+func (r *WhereClauseRewriter) VisitQuery(ctx *parser.QueryContext) any {
 	if ctx.Expression() != nil {
 		ctx.Expression().Accept(r)
 	}
@@ -114,7 +114,7 @@ func (r *WhereClauseRewriter) VisitQuery(ctx *parser.QueryContext) interface{} {
 }
 
 // VisitExpression visits the expression node.
-func (r *WhereClauseRewriter) VisitExpression(ctx *parser.ExpressionContext) interface{} {
+func (r *WhereClauseRewriter) VisitExpression(ctx *parser.ExpressionContext) any {
 	if ctx.OrExpression() != nil {
 		ctx.OrExpression().Accept(r)
 	}
@@ -122,7 +122,7 @@ func (r *WhereClauseRewriter) VisitExpression(ctx *parser.ExpressionContext) int
 }
 
 // VisitOrExpression visits OR expressions.
-func (r *WhereClauseRewriter) VisitOrExpression(ctx *parser.OrExpressionContext) interface{} {
+func (r *WhereClauseRewriter) VisitOrExpression(ctx *parser.OrExpressionContext) any {
 	for i, andExpr := range ctx.AllAndExpression() {
 		if i > 0 {
 			r.rewritten.WriteString(" OR ")
@@ -133,7 +133,7 @@ func (r *WhereClauseRewriter) VisitOrExpression(ctx *parser.OrExpressionContext)
 }
 
 // VisitAndExpression visits AND expressions.
-func (r *WhereClauseRewriter) VisitAndExpression(ctx *parser.AndExpressionContext) interface{} {
+func (r *WhereClauseRewriter) VisitAndExpression(ctx *parser.AndExpressionContext) any {
 	unaryExprs := ctx.AllUnaryExpression()
 	for i, unaryExpr := range unaryExprs {
 		if i > 0 {
@@ -151,7 +151,7 @@ func (r *WhereClauseRewriter) VisitAndExpression(ctx *parser.AndExpressionContex
 }
 
 // VisitUnaryExpression visits unary expressions (with optional NOT).
-func (r *WhereClauseRewriter) VisitUnaryExpression(ctx *parser.UnaryExpressionContext) interface{} {
+func (r *WhereClauseRewriter) VisitUnaryExpression(ctx *parser.UnaryExpressionContext) any {
 	if ctx.NOT() != nil {
 		r.rewritten.WriteString("NOT ")
 	}
@@ -162,7 +162,7 @@ func (r *WhereClauseRewriter) VisitUnaryExpression(ctx *parser.UnaryExpressionCo
 }
 
 // VisitPrimary visits primary expressions.
-func (r *WhereClauseRewriter) VisitPrimary(ctx *parser.PrimaryContext) interface{} {
+func (r *WhereClauseRewriter) VisitPrimary(ctx *parser.PrimaryContext) any {
 	if ctx.LPAREN() != nil && ctx.RPAREN() != nil {
 		r.rewritten.WriteString("(")
 		if ctx.OrExpression() != nil {
@@ -173,6 +173,8 @@ func (r *WhereClauseRewriter) VisitPrimary(ctx *parser.PrimaryContext) interface
 		ctx.Comparison().Accept(r)
 	} else if ctx.FunctionCall() != nil {
 		ctx.FunctionCall().Accept(r)
+	} else if ctx.SearchCall() != nil {
+		ctx.SearchCall().Accept(r)
 	} else if ctx.FullText() != nil {
 		ctx.FullText().Accept(r)
 	} else if ctx.Key() != nil {
@@ -184,7 +186,7 @@ func (r *WhereClauseRewriter) VisitPrimary(ctx *parser.PrimaryContext) interface
 }
 
 // VisitComparison visits comparison expressions.
-func (r *WhereClauseRewriter) VisitComparison(ctx *parser.ComparisonContext) interface{} {
+func (r *WhereClauseRewriter) VisitComparison(ctx *parser.ComparisonContext) any {
 	if ctx.Key() == nil {
 		return nil
 	}
@@ -197,7 +199,7 @@ func (r *WhereClauseRewriter) VisitComparison(ctx *parser.ComparisonContext) int
 		if _, partOfGroup := r.groupBySet[key]; partOfGroup {
 			// Case 1: Replace with actual value
 			escapedValue := escapeValueIfNeeded(value)
-			r.rewritten.WriteString(fmt.Sprintf("%s=%s", key, escapedValue))
+			fmt.Fprintf(&r.rewritten, "%s=%s", key, escapedValue)
 			return nil
 		}
 	}
@@ -305,7 +307,7 @@ func (r *WhereClauseRewriter) VisitComparison(ctx *parser.ComparisonContext) int
 }
 
 // VisitInClause visits IN clauses.
-func (r *WhereClauseRewriter) VisitInClause(ctx *parser.InClauseContext) interface{} {
+func (r *WhereClauseRewriter) VisitInClause(ctx *parser.InClauseContext) any {
 	r.rewritten.WriteString("IN ")
 	if ctx.LPAREN() != nil {
 		r.rewritten.WriteString("(")
@@ -326,7 +328,7 @@ func (r *WhereClauseRewriter) VisitInClause(ctx *parser.InClauseContext) interfa
 }
 
 // VisitNotInClause visits NOT IN clauses.
-func (r *WhereClauseRewriter) VisitNotInClause(ctx *parser.NotInClauseContext) interface{} {
+func (r *WhereClauseRewriter) VisitNotInClause(ctx *parser.NotInClauseContext) any {
 	r.rewritten.WriteString("NOT IN ")
 	if ctx.LPAREN() != nil {
 		r.rewritten.WriteString("(")
@@ -347,7 +349,7 @@ func (r *WhereClauseRewriter) VisitNotInClause(ctx *parser.NotInClauseContext) i
 }
 
 // VisitValueList visits value lists.
-func (r *WhereClauseRewriter) VisitValueList(ctx *parser.ValueListContext) interface{} {
+func (r *WhereClauseRewriter) VisitValueList(ctx *parser.ValueListContext) any {
 	values := ctx.AllValue()
 	for i, val := range values {
 		if i > 0 {
@@ -359,13 +361,20 @@ func (r *WhereClauseRewriter) VisitValueList(ctx *parser.ValueListContext) inter
 }
 
 // VisitFullText visits full text expressions.
-func (r *WhereClauseRewriter) VisitFullText(ctx *parser.FullTextContext) interface{} {
+func (r *WhereClauseRewriter) VisitFullText(ctx *parser.FullTextContext) any {
+	r.rewritten.WriteString(ctx.GetText())
+	return nil
+}
+
+// VisitSearchCall visits search() calls. It has no keys to rewrite, so it is
+// preserved verbatim.
+func (r *WhereClauseRewriter) VisitSearchCall(ctx *parser.SearchCallContext) any {
 	r.rewritten.WriteString(ctx.GetText())
 	return nil
 }
 
 // VisitFunctionCall visits function calls.
-func (r *WhereClauseRewriter) VisitFunctionCall(ctx *parser.FunctionCallContext) interface{} {
+func (r *WhereClauseRewriter) VisitFunctionCall(ctx *parser.FunctionCallContext) any {
 	// Write function name
 	if ctx.HAS() != nil {
 		r.rewritten.WriteString("has")
@@ -386,7 +395,7 @@ func (r *WhereClauseRewriter) VisitFunctionCall(ctx *parser.FunctionCallContext)
 }
 
 // VisitFunctionParamList visits function parameter lists.
-func (r *WhereClauseRewriter) VisitFunctionParamList(ctx *parser.FunctionParamListContext) interface{} {
+func (r *WhereClauseRewriter) VisitFunctionParamList(ctx *parser.FunctionParamListContext) any {
 	params := ctx.AllFunctionParam()
 	for i, param := range params {
 		if i > 0 {
@@ -398,7 +407,7 @@ func (r *WhereClauseRewriter) VisitFunctionParamList(ctx *parser.FunctionParamLi
 }
 
 // VisitFunctionParam visits function parameters.
-func (r *WhereClauseRewriter) VisitFunctionParam(ctx *parser.FunctionParamContext) interface{} {
+func (r *WhereClauseRewriter) VisitFunctionParam(ctx *parser.FunctionParamContext) any {
 	if ctx.Key() != nil {
 		ctx.Key().Accept(r)
 	} else if ctx.Value() != nil {
@@ -410,7 +419,7 @@ func (r *WhereClauseRewriter) VisitFunctionParam(ctx *parser.FunctionParamContex
 }
 
 // VisitArray visits array expressions.
-func (r *WhereClauseRewriter) VisitArray(ctx *parser.ArrayContext) interface{} {
+func (r *WhereClauseRewriter) VisitArray(ctx *parser.ArrayContext) any {
 	r.rewritten.WriteString("[")
 	if ctx.ValueList() != nil {
 		ctx.ValueList().Accept(r)
@@ -420,13 +429,13 @@ func (r *WhereClauseRewriter) VisitArray(ctx *parser.ArrayContext) interface{} {
 }
 
 // VisitValue visits value expressions.
-func (r *WhereClauseRewriter) VisitValue(ctx *parser.ValueContext) interface{} {
+func (r *WhereClauseRewriter) VisitValue(ctx *parser.ValueContext) any {
 	r.rewritten.WriteString(ctx.GetText())
 	return nil
 }
 
 // VisitKey visits key expressions.
-func (r *WhereClauseRewriter) VisitKey(ctx *parser.KeyContext) interface{} {
+func (r *WhereClauseRewriter) VisitKey(ctx *parser.KeyContext) any {
 	r.keysSeen[ctx.GetText()] = struct{}{}
 	r.rewritten.WriteString(ctx.GetText())
 	return nil

pkg/parser/filterquery/grammar/FilterQuery.tokens

@@ -24,12 +24,13 @@ HASTOKEN=23
 HAS=24
 HASANY=25
 HASALL=26
-BOOL=27
-NUMBER=28
-QUOTED_TEXT=29
-KEY=30
-WS=31
-FREETEXT=32
+SEARCH=27
+BOOL=28
+NUMBER=29
+QUOTED_TEXT=30
+KEY=31
+WS=32
+FREETEXT=33
 '('=1
 ')'=2
 '['=3

pkg/parser/filterquery/grammar/FilterQueryLexer.tokens

@@ -24,12 +24,13 @@ HASTOKEN=23
 HAS=24
 HASANY=25
 HASALL=26
-BOOL=27
-NUMBER=28
-QUOTED_TEXT=29
-KEY=30
-WS=31
-FREETEXT=32
+SEARCH=27
+BOOL=28
+NUMBER=29
+QUOTED_TEXT=30
+KEY=31
+WS=32
+FREETEXT=33
 '('=1
 ')'=2
 '['=3

pkg/parser/filterquery/grammar/filterquery_base_listener.go

@@ -1,4 +1,4 @@
-// Code generated from grammar/FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
+// Code generated from FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
 
 package parser // FilterQuery
 
@@ -93,6 +93,12 @@ func (s *BaseFilterQueryListener) EnterFunctionCall(ctx *FunctionCallContext) {}
 // ExitFunctionCall is called when production functionCall is exited.
 func (s *BaseFilterQueryListener) ExitFunctionCall(ctx *FunctionCallContext) {}
 
+// EnterSearchCall is called when production searchCall is entered.
+func (s *BaseFilterQueryListener) EnterSearchCall(ctx *SearchCallContext) {}
+
+// ExitSearchCall is called when production searchCall is exited.
+func (s *BaseFilterQueryListener) ExitSearchCall(ctx *SearchCallContext) {}
+
 // EnterFunctionParamList is called when production functionParamList is entered.
 func (s *BaseFilterQueryListener) EnterFunctionParamList(ctx *FunctionParamListContext) {}
 

pkg/parser/filterquery/grammar/filterquery_base_visitor.go

@@ -1,4 +1,4 @@
-// Code generated from grammar/FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
+// Code generated from FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
 
 package parser // FilterQuery
 
@@ -56,6 +56,10 @@ func (v *BaseFilterQueryVisitor) VisitFunctionCall(ctx *FunctionCallContext) int
 	return v.VisitChildren(ctx)
 }
 
+func (v *BaseFilterQueryVisitor) VisitSearchCall(ctx *SearchCallContext) interface{} {
+	return v.VisitChildren(ctx)
+}
+
 func (v *BaseFilterQueryVisitor) VisitFunctionParamList(ctx *FunctionParamListContext) interface{} {
 	return v.VisitChildren(ctx)
 }

pkg/parser/filterquery/grammar/filterquery_lexer.go

@@ -1,13 +1,12 @@
-// Code generated from grammar/FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
+// Code generated from FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
 
 package parser
 
 import (
 	"fmt"
+	"github.com/antlr4-go/antlr/v4"
 	"sync"
 	"unicode"
-
-	"github.com/antlr4-go/antlr/v4"
 )
 
 // Suppress unused import error
@@ -51,170 +50,174 @@ func filterquerylexerLexerInit() {
 		"", "LPAREN", "RPAREN", "LBRACK", "RBRACK", "COMMA", "EQUALS", "NOT_EQUALS",
 		"NEQ", "LT", "LE", "GT", "GE", "LIKE", "ILIKE", "BETWEEN", "EXISTS",
 		"REGEXP", "CONTAINS", "IN", "NOT", "AND", "OR", "HASTOKEN", "HAS", "HASANY",
-		"HASALL", "BOOL", "NUMBER", "QUOTED_TEXT", "KEY", "WS", "FREETEXT",
+		"HASALL", "SEARCH", "BOOL", "NUMBER", "QUOTED_TEXT", "KEY", "WS", "FREETEXT",
 	}
 	staticData.RuleNames = []string{
 		"LPAREN", "RPAREN", "LBRACK", "RBRACK", "COMMA", "EQUALS", "NOT_EQUALS",
 		"NEQ", "LT", "LE", "GT", "GE", "LIKE", "ILIKE", "BETWEEN", "EXISTS",
 		"REGEXP", "CONTAINS", "IN", "NOT", "AND", "OR", "HASTOKEN", "HAS", "HASANY",
-		"HASALL", "BOOL", "SIGN", "NUMBER", "QUOTED_TEXT", "SEGMENT", "EMPTY_BRACKS",
-		"OLD_JSON_BRACKS", "KEY", "WS", "DIGIT", "FREETEXT",
+		"HASALL", "SEARCH", "BOOL", "SIGN", "NUMBER", "QUOTED_TEXT", "SEGMENT",
+		"EMPTY_BRACKS", "OLD_JSON_BRACKS", "KEY", "WS", "DIGIT", "FREETEXT",
 	}
 	staticData.PredictionContextCache = antlr.NewPredictionContextCache()
 	staticData.serializedATN = []int32{
-		4, 0, 32, 320, 6, -1, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2,
+		4, 0, 33, 329, 6, -1, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2,
 		4, 7, 4, 2, 5, 7, 5, 2, 6, 7, 6, 2, 7, 7, 7, 2, 8, 7, 8, 2, 9, 7, 9, 2,
 		10, 7, 10, 2, 11, 7, 11, 2, 12, 7, 12, 2, 13, 7, 13, 2, 14, 7, 14, 2, 15,
 		7, 15, 2, 16, 7, 16, 2, 17, 7, 17, 2, 18, 7, 18, 2, 19, 7, 19, 2, 20, 7,
 		20, 2, 21, 7, 21, 2, 22, 7, 22, 2, 23, 7, 23, 2, 24, 7, 24, 2, 25, 7, 25,
 		2, 26, 7, 26, 2, 27, 7, 27, 2, 28, 7, 28, 2, 29, 7, 29, 2, 30, 7, 30, 2,
 		31, 7, 31, 2, 32, 7, 32, 2, 33, 7, 33, 2, 34, 7, 34, 2, 35, 7, 35, 2, 36,
-		7, 36, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 3, 1, 4, 1, 4, 1, 5,
-		1, 5, 1, 5, 3, 5, 89, 8, 5, 1, 6, 1, 6, 1, 6, 1, 7, 1, 7, 1, 7, 1, 8, 1,
-		8, 1, 9, 1, 9, 1, 9, 1, 10, 1, 10, 1, 11, 1, 11, 1, 11, 1, 12, 1, 12, 1,
-		12, 1, 12, 1, 12, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1, 14, 1, 14,
-		1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 15, 1, 15, 1, 15, 1, 15, 1,
-		15, 1, 15, 3, 15, 132, 8, 15, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16, 1, 16,
-		1, 16, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 3, 17, 149,
-		8, 17, 1, 18, 1, 18, 1, 18, 1, 19, 1, 19, 1, 19, 1, 19, 1, 20, 1, 20, 1,
-		20, 1, 20, 1, 21, 1, 21, 1, 21, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22,
-		1, 22, 1, 22, 1, 22, 1, 23, 1, 23, 1, 23, 1, 23, 1, 24, 1, 24, 1, 24, 1,
-		24, 1, 24, 1, 24, 1, 24, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25, 1, 25,
-		1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 3, 26, 201,
-		8, 26, 1, 27, 1, 27, 1, 28, 3, 28, 206, 8, 28, 1, 28, 4, 28, 209, 8, 28,
-		11, 28, 12, 28, 210, 1, 28, 1, 28, 5, 28, 215, 8, 28, 10, 28, 12, 28, 218,
-		9, 28, 3, 28, 220, 8, 28, 1, 28, 1, 28, 3, 28, 224, 8, 28, 1, 28, 4, 28,
-		227, 8, 28, 11, 28, 12, 28, 228, 3, 28, 231, 8, 28, 1, 28, 3, 28, 234,
-		8, 28, 1, 28, 1, 28, 4, 28, 238, 8, 28, 11, 28, 12, 28, 239, 1, 28, 1,
-		28, 3, 28, 244, 8, 28, 1, 28, 4, 28, 247, 8, 28, 11, 28, 12, 28, 248, 3,
-		28, 251, 8, 28, 3, 28, 253, 8, 28, 1, 29, 1, 29, 1, 29, 1, 29, 5, 29, 259,
-		8, 29, 10, 29, 12, 29, 262, 9, 29, 1, 29, 1, 29, 1, 29, 1, 29, 1, 29, 5,
-		29, 269, 8, 29, 10, 29, 12, 29, 272, 9, 29, 1, 29, 3, 29, 275, 8, 29, 1,
-		30, 1, 30, 5, 30, 279, 8, 30, 10, 30, 12, 30, 282, 9, 30, 1, 31, 1, 31,
-		1, 31, 1, 32, 1, 32, 1, 32, 1, 32, 1, 33, 1, 33, 1, 33, 1, 33, 1, 33, 1,
-		33, 1, 33, 4, 33, 298, 8, 33, 11, 33, 12, 33, 299, 5, 33, 302, 8, 33, 10,
-		33, 12, 33, 305, 9, 33, 1, 34, 4, 34, 308, 8, 34, 11, 34, 12, 34, 309,
-		1, 34, 1, 34, 1, 35, 1, 35, 1, 36, 4, 36, 317, 8, 36, 11, 36, 12, 36, 318,
-		0, 0, 37, 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19,
+		7, 36, 2, 37, 7, 37, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 3, 1,
+		4, 1, 4, 1, 5, 1, 5, 1, 5, 3, 5, 91, 8, 5, 1, 6, 1, 6, 1, 6, 1, 7, 1, 7,
+		1, 7, 1, 8, 1, 8, 1, 9, 1, 9, 1, 9, 1, 10, 1, 10, 1, 11, 1, 11, 1, 11,
+		1, 12, 1, 12, 1, 12, 1, 12, 1, 12, 1, 13, 1, 13, 1, 13, 1, 13, 1, 13, 1,
+		13, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 14, 1, 15, 1, 15,
+		1, 15, 1, 15, 1, 15, 1, 15, 3, 15, 134, 8, 15, 1, 16, 1, 16, 1, 16, 1,
+		16, 1, 16, 1, 16, 1, 16, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17, 1, 17,
+		1, 17, 3, 17, 151, 8, 17, 1, 18, 1, 18, 1, 18, 1, 19, 1, 19, 1, 19, 1,
+		19, 1, 20, 1, 20, 1, 20, 1, 20, 1, 21, 1, 21, 1, 21, 1, 22, 1, 22, 1, 22,
+		1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 22, 1, 23, 1, 23, 1, 23, 1, 23, 1,
+		24, 1, 24, 1, 24, 1, 24, 1, 24, 1, 24, 1, 24, 1, 25, 1, 25, 1, 25, 1, 25,
+		1, 25, 1, 25, 1, 25, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1, 26, 1,
+		27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 1, 27, 3, 27, 210,
+		8, 27, 1, 28, 1, 28, 1, 29, 3, 29, 215, 8, 29, 1, 29, 4, 29, 218, 8, 29,
+		11, 29, 12, 29, 219, 1, 29, 1, 29, 5, 29, 224, 8, 29, 10, 29, 12, 29, 227,
+		9, 29, 3, 29, 229, 8, 29, 1, 29, 1, 29, 3, 29, 233, 8, 29, 1, 29, 4, 29,
+		236, 8, 29, 11, 29, 12, 29, 237, 3, 29, 240, 8, 29, 1, 29, 3, 29, 243,
+		8, 29, 1, 29, 1, 29, 4, 29, 247, 8, 29, 11, 29, 12, 29, 248, 1, 29, 1,
+		29, 3, 29, 253, 8, 29, 1, 29, 4, 29, 256, 8, 29, 11, 29, 12, 29, 257, 3,
+		29, 260, 8, 29, 3, 29, 262, 8, 29, 1, 30, 1, 30, 1, 30, 1, 30, 5, 30, 268,
+		8, 30, 10, 30, 12, 30, 271, 9, 30, 1, 30, 1, 30, 1, 30, 1, 30, 1, 30, 5,
+		30, 278, 8, 30, 10, 30, 12, 30, 281, 9, 30, 1, 30, 3, 30, 284, 8, 30, 1,
+		31, 1, 31, 5, 31, 288, 8, 31, 10, 31, 12, 31, 291, 9, 31, 1, 32, 1, 32,
+		1, 32, 1, 33, 1, 33, 1, 33, 1, 33, 1, 34, 1, 34, 1, 34, 1, 34, 1, 34, 1,
+		34, 1, 34, 4, 34, 307, 8, 34, 11, 34, 12, 34, 308, 5, 34, 311, 8, 34, 10,
+		34, 12, 34, 314, 9, 34, 1, 35, 4, 35, 317, 8, 35, 11, 35, 12, 35, 318,
+		1, 35, 1, 35, 1, 36, 1, 36, 1, 37, 4, 37, 326, 8, 37, 11, 37, 12, 37, 327,
+		0, 0, 38, 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 11, 6, 13, 7, 15, 8, 17, 9, 19,
 		10, 21, 11, 23, 12, 25, 13, 27, 14, 29, 15, 31, 16, 33, 17, 35, 18, 37,
 		19, 39, 20, 41, 21, 43, 22, 45, 23, 47, 24, 49, 25, 51, 26, 53, 27, 55,
-		0, 57, 28, 59, 29, 61, 0, 63, 0, 65, 0, 67, 30, 69, 31, 71, 0, 73, 32,
-		1, 0, 29, 2, 0, 76, 76, 108, 108, 2, 0, 73, 73, 105, 105, 2, 0, 75, 75,
-		107, 107, 2, 0, 69, 69, 101, 101, 2, 0, 66, 66, 98, 98, 2, 0, 84, 84, 116,
-		116, 2, 0, 87, 87, 119, 119, 2, 0, 78, 78, 110, 110, 2, 0, 88, 88, 120,
-		120, 2, 0, 83, 83, 115, 115, 2, 0, 82, 82, 114, 114, 2, 0, 71, 71, 103,
-		103, 2, 0, 80, 80, 112, 112, 2, 0, 67, 67, 99, 99, 2, 0, 79, 79, 111, 111,
-		2, 0, 65, 65, 97, 97, 2, 0, 68, 68, 100, 100, 2, 0, 72, 72, 104, 104, 2,
-		0, 89, 89, 121, 121, 2, 0, 85, 85, 117, 117, 2, 0, 70, 70, 102, 102, 2,
-		0, 43, 43, 45, 45, 2, 0, 34, 34, 92, 92, 2, 0, 39, 39, 92, 92, 4, 0, 35,
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+		54, 1, 0, 0, 0, 200, 201, 7, 5, 0, 0, 201, 202, 7, 10, 0, 0, 202, 203,
+		7, 19, 0, 0, 203, 210, 7, 3, 0, 0, 204, 205, 7, 20, 0, 0, 205, 206, 7,
+		15, 0, 0, 206, 207, 7, 0, 0, 0, 207, 208, 7, 9, 0, 0, 208, 210, 7, 3, 0,
+		0, 209, 200, 1, 0, 0, 0, 209, 204, 1, 0, 0, 0, 210, 56, 1, 0, 0, 0, 211,
+		212, 7, 21, 0, 0, 212, 58, 1, 0, 0, 0, 213, 215, 3, 57, 28, 0, 214, 213,
+		1, 0, 0, 0, 214, 215, 1, 0, 0, 0, 215, 217, 1, 0, 0, 0, 216, 218, 3, 73,
+		36, 0, 217, 216, 1, 0, 0, 0, 218, 219, 1, 0, 0, 0, 219, 217, 1, 0, 0, 0,
+		219, 220, 1, 0, 0, 0, 220, 228, 1, 0, 0, 0, 221, 225, 5, 46, 0, 0, 222,
+		224, 3, 73, 36, 0, 223, 222, 1, 0, 0, 0, 224, 227, 1, 0, 0, 0, 225, 223,
+		1, 0, 0, 0, 225, 226, 1, 0, 0, 0, 226, 229, 1, 0, 0, 0, 227, 225, 1, 0,
+		0, 0, 228, 221, 1, 0, 0, 0, 228, 229, 1, 0, 0, 0, 229, 239, 1, 0, 0, 0,
+		230, 232, 7, 3, 0, 0, 231, 233, 3, 57, 28, 0, 232, 231, 1, 0, 0, 0, 232,
+		233, 1, 0, 0, 0, 233, 235, 1, 0, 0, 0, 234, 236, 3, 73, 36, 0, 235, 234,
+		1, 0, 0, 0, 236, 237, 1, 0, 0, 0, 237, 235, 1, 0, 0, 0, 237, 238, 1, 0,
+		0, 0, 238, 240, 1, 0, 0, 0, 239, 230, 1, 0, 0, 0, 239, 240, 1, 0, 0, 0,
+		240, 262, 1, 0, 0, 0, 241, 243, 3, 57, 28, 0, 242, 241, 1, 0, 0, 0, 242,
+		243, 1, 0, 0, 0, 243, 244, 1, 0, 0, 0, 244, 246, 5, 46, 0, 0, 245, 247,
+		3, 73, 36, 0, 246, 245, 1, 0, 0, 0, 247, 248, 1, 0, 0, 0, 248, 246, 1,
+		0, 0, 0, 248, 249, 1, 0, 0, 0, 249, 259, 1, 0, 0, 0, 250, 252, 7, 3, 0,
+		0, 251, 253, 3, 57, 28, 0, 252, 251, 1, 0, 0, 0, 252, 253, 1, 0, 0, 0,
+		253, 255, 1, 0, 0, 0, 254, 256, 3, 73, 36, 0, 255, 254, 1, 0, 0, 0, 256,
+		257, 1, 0, 0, 0, 257, 255, 1, 0, 0, 0, 257, 258, 1, 0, 0, 0, 258, 260,
+		1, 0, 0, 0, 259, 250, 1, 0, 0, 0, 259, 260, 1, 0, 0, 0, 260, 262, 1, 0,
+		0, 0, 261, 214, 1, 0, 0, 0, 261, 242, 1, 0, 0, 0, 262, 60, 1, 0, 0, 0,
+		263, 269, 5, 34, 0, 0, 264, 268, 8, 22, 0, 0, 265, 266, 5, 92, 0, 0, 266,
+		268, 9, 0, 0, 0, 267, 264, 1, 0, 0, 0, 267, 265, 1, 0, 0, 0, 268, 271,
+		1, 0, 0, 0, 269, 267, 1, 0, 0, 0, 269, 270, 1, 0, 0, 0, 270, 272, 1, 0,
+		0, 0, 271, 269, 1, 0, 0, 0, 272, 284, 5, 34, 0, 0, 273, 279, 5, 39, 0,
+		0, 274, 278, 8, 23, 0, 0, 275, 276, 5, 92, 0, 0, 276, 278, 9, 0, 0, 0,
+		277, 274, 1, 0, 0, 0, 277, 275, 1, 0, 0, 0, 278, 281, 1, 0, 0, 0, 279,
+		277, 1, 0, 0, 0, 279, 280, 1, 0, 0, 0, 280, 282, 1, 0, 0, 0, 281, 279,
+		1, 0, 0, 0, 282, 284, 5, 39, 0, 0, 283, 263, 1, 0, 0, 0, 283, 273, 1, 0,
+		0, 0, 284, 62, 1, 0, 0, 0, 285, 289, 7, 24, 0, 0, 286, 288, 7, 25, 0, 0,
+		287, 286, 1, 0, 0, 0, 288, 291, 1, 0, 0, 0, 289, 287, 1, 0, 0, 0, 289,
+		290, 1, 0, 0, 0, 290, 64, 1, 0, 0, 0, 291, 289, 1, 0, 0, 0, 292, 293, 5,
+		91, 0, 0, 293, 294, 5, 93, 0, 0, 294, 66, 1, 0, 0, 0, 295, 296, 5, 91,
+		0, 0, 296, 297, 5, 42, 0, 0, 297, 298, 5, 93, 0, 0, 298, 68, 1, 0, 0, 0,
+		299, 312, 3, 63, 31, 0, 300, 301, 5, 46, 0, 0, 301, 311, 3, 63, 31, 0,
+		302, 311, 3, 65, 32, 0, 303, 311, 3, 67, 33, 0, 304, 306, 5, 46, 0, 0,
+		305, 307, 3, 73, 36, 0, 306, 305, 1, 0, 0, 0, 307, 308, 1, 0, 0, 0, 308,
+		306, 1, 0, 0, 0, 308, 309, 1, 0, 0, 0, 309, 311, 1, 0, 0, 0, 310, 300,
+		1, 0, 0, 0, 310, 302, 1, 0, 0, 0, 310, 303, 1, 0, 0, 0, 310, 304, 1, 0,
+		0, 0, 311, 314, 1, 0, 0, 0, 312, 310, 1, 0, 0, 0, 312, 313, 1, 0, 0, 0,
+		313, 70, 1, 0, 0, 0, 314, 312, 1, 0, 0, 0, 315, 317, 7, 26, 0, 0, 316,
+		315, 1, 0, 0, 0, 317, 318, 1, 0, 0, 0, 318, 316, 1, 0, 0, 0, 318, 319,
+		1, 0, 0, 0, 319, 320, 1, 0, 0, 0, 320, 321, 6, 35, 0, 0, 321, 72, 1, 0,
+		0, 0, 322, 323, 7, 27, 0, 0, 323, 74, 1, 0, 0, 0, 324, 326, 8, 28, 0, 0,
+		325, 324, 1, 0, 0, 0, 326, 327, 1, 0, 0, 0, 327, 325, 1, 0, 0, 0, 327,
+		328, 1, 0, 0, 0, 328, 76, 1, 0, 0, 0, 29, 0, 90, 133, 150, 209, 214, 219,
+		225, 228, 232, 237, 239, 242, 248, 252, 257, 259, 261, 267, 269, 277, 279,
+		283, 289, 308, 310, 312, 318, 327, 1, 6, 0, 0,
 	}
 	deserializer := antlr.NewATNDeserializer(nil)
 	staticData.atn = deserializer.Deserialize(staticData.serializedATN)
@@ -281,10 +284,11 @@ const (
 	FilterQueryLexerHAS         = 24
 	FilterQueryLexerHASANY      = 25
 	FilterQueryLexerHASALL      = 26
-	FilterQueryLexerBOOL        = 27
-	FilterQueryLexerNUMBER      = 28
-	FilterQueryLexerQUOTED_TEXT = 29
-	FilterQueryLexerKEY         = 30
-	FilterQueryLexerWS          = 31
-	FilterQueryLexerFREETEXT    = 32
+	FilterQueryLexerSEARCH      = 27
+	FilterQueryLexerBOOL        = 28
+	FilterQueryLexerNUMBER      = 29
+	FilterQueryLexerQUOTED_TEXT = 30
+	FilterQueryLexerKEY         = 31
+	FilterQueryLexerWS          = 32
+	FilterQueryLexerFREETEXT    = 33
 )

pkg/parser/filterquery/grammar/filterquery_listener.go

@@ -1,4 +1,4 @@
-// Code generated from grammar/FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
+// Code generated from FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
 
 package parser // FilterQuery
 
@@ -44,6 +44,9 @@ type FilterQueryListener interface {
 	// EnterFunctionCall is called when entering the functionCall production.
 	EnterFunctionCall(c *FunctionCallContext)
 
+	// EnterSearchCall is called when entering the searchCall production.
+	EnterSearchCall(c *SearchCallContext)
+
 	// EnterFunctionParamList is called when entering the functionParamList production.
 	EnterFunctionParamList(c *FunctionParamListContext)
 
@@ -95,6 +98,9 @@ type FilterQueryListener interface {
 	// ExitFunctionCall is called when exiting the functionCall production.
 	ExitFunctionCall(c *FunctionCallContext)
 
+	// ExitSearchCall is called when exiting the searchCall production.
+	ExitSearchCall(c *SearchCallContext)
+
 	// ExitFunctionParamList is called when exiting the functionParamList production.
 	ExitFunctionParamList(c *FunctionParamListContext)
 

pkg/parser/filterquery/grammar/filterquery_visitor.go

@@ -1,4 +1,4 @@
-// Code generated from grammar/FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
+// Code generated from FilterQuery.g4 by ANTLR 4.13.2. DO NOT EDIT.
 
 package parser // FilterQuery
 
@@ -44,6 +44,9 @@ type FilterQueryVisitor interface {
 	// Visit a parse tree produced by FilterQueryParser#functionCall.
 	VisitFunctionCall(ctx *FunctionCallContext) interface{}
 
+	// Visit a parse tree produced by FilterQueryParser#searchCall.
+	VisitSearchCall(ctx *SearchCallContext) interface{}
+
 	// Visit a parse tree produced by FilterQueryParser#functionParamList.
 	VisitFunctionParamList(ctx *FunctionParamListContext) interface{}
 

pkg/querybuilder/filter_error_listener.go

@@ -32,7 +32,7 @@ var friendly = map[string]string{
 	"BETWEEN": "BETWEEN", "IN": "IN", "EXISTS": "EXISTS",
 	"REGEXP": "REGEXP", "CONTAINS": "CONTAINS",
 	"HAS": "has()", "HASANY": "hasAny()", "HASALL": "hasAll()",
-	"HASTOKEN": "hasToken()",
+	"HASTOKEN": "hasToken()", "SEARCH": "search()",
 
 	// literals / identifiers
 	"NUMBER":      "number",

pkg/querybuilder/never_true.go

@@ -15,8 +15,8 @@ import (
 type FieldConstraint struct {
 	Field    string
 	Operator qbtypes.FilterOperator
-	Value    interface{}
-	Values   []interface{} // For IN, NOT IN operations
+	Value    any
+	Values   []any // For IN, NOT IN operations
 }
 
 // ConstraintSet represents a set of constraints that must all be true (AND).
@@ -103,7 +103,7 @@ func (d *LogicalContradictionDetector) popNotContext() {
 }
 
 // Visit dispatches to the appropriate visit method.
-func (d *LogicalContradictionDetector) Visit(tree antlr.ParseTree) interface{} {
+func (d *LogicalContradictionDetector) Visit(tree antlr.ParseTree) any {
 	if tree == nil {
 		return nil
 	}
@@ -111,7 +111,7 @@ func (d *LogicalContradictionDetector) Visit(tree antlr.ParseTree) interface{} {
 }
 
 // VisitQuery is the entry point.
-func (d *LogicalContradictionDetector) VisitQuery(ctx *grammar.QueryContext) interface{} {
+func (d *LogicalContradictionDetector) VisitQuery(ctx *grammar.QueryContext) any {
 	d.Visit(ctx.Expression())
 	// Check final constraints
 	d.checkContradictions(d.currentConstraints())
@@ -119,12 +119,12 @@ func (d *LogicalContradictionDetector) VisitQuery(ctx *grammar.QueryContext) int
 }
 
 // VisitExpression just passes through to OrExpression.
-func (d *LogicalContradictionDetector) VisitExpression(ctx *grammar.ExpressionContext) interface{} {
+func (d *LogicalContradictionDetector) VisitExpression(ctx *grammar.ExpressionContext) any {
 	return d.Visit(ctx.OrExpression())
 }
 
 // VisitOrExpression handles OR logic.
-func (d *LogicalContradictionDetector) VisitOrExpression(ctx *grammar.OrExpressionContext) interface{} {
+func (d *LogicalContradictionDetector) VisitOrExpression(ctx *grammar.OrExpressionContext) any {
 	andExpressions := ctx.AllAndExpression()
 
 	if len(andExpressions) == 1 {
@@ -149,7 +149,7 @@ func (d *LogicalContradictionDetector) VisitOrExpression(ctx *grammar.OrExpressi
 }
 
 // VisitAndExpression handles AND logic (including implicit AND).
-func (d *LogicalContradictionDetector) VisitAndExpression(ctx *grammar.AndExpressionContext) interface{} {
+func (d *LogicalContradictionDetector) VisitAndExpression(ctx *grammar.AndExpressionContext) any {
 	unaryExpressions := ctx.AllUnaryExpression()
 
 	// Visit each unary expression, accumulating constraints
@@ -161,7 +161,7 @@ func (d *LogicalContradictionDetector) VisitAndExpression(ctx *grammar.AndExpres
 }
 
 // VisitUnaryExpression handles NOT operator.
-func (d *LogicalContradictionDetector) VisitUnaryExpression(ctx *grammar.UnaryExpressionContext) interface{} {
+func (d *LogicalContradictionDetector) VisitUnaryExpression(ctx *grammar.UnaryExpressionContext) any {
 	hasNot := ctx.NOT() != nil
 
 	if hasNot {
@@ -180,7 +180,7 @@ func (d *LogicalContradictionDetector) VisitUnaryExpression(ctx *grammar.UnaryEx
 }
 
 // VisitPrimary handles different primary expressions.
-func (d *LogicalContradictionDetector) VisitPrimary(ctx *grammar.PrimaryContext) interface{} {
+func (d *LogicalContradictionDetector) VisitPrimary(ctx *grammar.PrimaryContext) any {
 	if ctx.OrExpression() != nil {
 		// Parenthesized expression
 		// If we're in an AND context, we continue with the same constraint set
@@ -191,6 +191,9 @@ func (d *LogicalContradictionDetector) VisitPrimary(ctx *grammar.PrimaryContext)
 	} else if ctx.FunctionCall() != nil {
 		// Handle function calls if needed
 		return nil
+	} else if ctx.SearchCall() != nil {
+		// search() spans all fields; it can never be a logical contradiction
+		return nil
 	} else if ctx.FullText() != nil {
 		// Handle full text search if needed
 		return nil
@@ -200,7 +203,7 @@ func (d *LogicalContradictionDetector) VisitPrimary(ctx *grammar.PrimaryContext)
 }
 
 // VisitComparison extracts constraints from comparisons.
-func (d *LogicalContradictionDetector) VisitComparison(ctx *grammar.ComparisonContext) interface{} {
+func (d *LogicalContradictionDetector) VisitComparison(ctx *grammar.ComparisonContext) any {
 	if ctx.Key() == nil {
 		return nil
 	}
@@ -274,7 +277,7 @@ func (d *LogicalContradictionDetector) VisitComparison(ctx *grammar.ComparisonCo
 			constraint := FieldConstraint{
 				Field:    field,
 				Operator: operator,
-				Values:   []interface{}{val1, val2},
+				Values:   []any{val1, val2},
 			}
 			d.addConstraint(constraint)
 		}
@@ -343,7 +346,7 @@ func (d *LogicalContradictionDetector) VisitComparison(ctx *grammar.ComparisonCo
 }
 
 // extractValue extracts the actual value from a ValueContext.
-func (d *LogicalContradictionDetector) extractValue(ctx grammar.IValueContext) interface{} {
+func (d *LogicalContradictionDetector) extractValue(ctx grammar.IValueContext) any {
 	if ctx.QUOTED_TEXT() != nil {
 		text := ctx.QUOTED_TEXT().GetText()
 		// Remove quotes
@@ -362,12 +365,12 @@ func (d *LogicalContradictionDetector) extractValue(ctx grammar.IValueContext) i
 }
 
 // extractValueList extracts values from a ValueListContext.
-func (d *LogicalContradictionDetector) extractValueList(ctx grammar.IValueListContext) []interface{} {
+func (d *LogicalContradictionDetector) extractValueList(ctx grammar.IValueListContext) []any {
 	if ctx == nil {
 		return nil
 	}
 
-	values := []interface{}{}
+	values := []any{}
 	for _, val := range ctx.AllValue() {
 		values = append(values, d.extractValue(val))
 	}
@@ -763,7 +766,7 @@ func (d *LogicalContradictionDetector) checkRangeContradictions(constraints []Fi
 }
 
 // valuesSatisfyRanges checks if a value satisfies all range constraints.
-func (d *LogicalContradictionDetector) valuesSatisfyRanges(value interface{}, constraints []FieldConstraint) bool {
+func (d *LogicalContradictionDetector) valuesSatisfyRanges(value any, constraints []FieldConstraint) bool {
 	val, err := parseNumericValue(value)
 	if err != nil {
 		return true // If not numeric, we can't check
@@ -799,7 +802,7 @@ func (d *LogicalContradictionDetector) valuesSatisfyRanges(value interface{}, co
 }
 
 // valueSatisfiesBetween checks if a value is within a BETWEEN range.
-func (d *LogicalContradictionDetector) valueSatisfiesBetween(value interface{}, between FieldConstraint) bool {
+func (d *LogicalContradictionDetector) valueSatisfiesBetween(value any, between FieldConstraint) bool {
 	if len(between.Values) != 2 {
 		return false
 	}
@@ -848,7 +851,7 @@ func (d *LogicalContradictionDetector) cloneConstraintSet(set *ConstraintSet) *C
 }
 
 // parseNumericValue attempts to parse a value as a number.
-func parseNumericValue(value interface{}) (float64, error) {
+func parseNumericValue(value any) (float64, error) {
 	switch v := value.(type) {
 	case float64:
 		return v, nil

pkg/querybuilder/where_clause_visitor.go

@@ -203,6 +203,8 @@ func (v *filterExpressionVisitor) Visit(tree antlr.ParseTree) any {
 		return v.VisitValueList(t)
 	case *grammar.FullTextContext:
 		return v.VisitFullText(t)
+	case *grammar.SearchCallContext:
+		return v.VisitSearchCall(t)
 	case *grammar.FunctionCallContext:
 		return v.VisitFunctionCall(t)
 	case *grammar.FunctionParamListContext:
@@ -317,6 +319,8 @@ func (v *filterExpressionVisitor) VisitPrimary(ctx *grammar.PrimaryContext) any
 		return v.Visit(ctx.Comparison())
 	} else if ctx.FunctionCall() != nil {
 		return v.Visit(ctx.FunctionCall())
+	} else if ctx.SearchCall() != nil {
+		return v.Visit(ctx.SearchCall())
 	} else if ctx.FullText() != nil {
 		return v.Visit(ctx.FullText())
 	}
@@ -748,6 +752,13 @@ func (v *filterExpressionVisitor) VisitFunctionCall(ctx *grammar.FunctionCallCon
 	return v.builder.Or(conds...)
 }
 
+// VisitSearchCall handles search('needle'). The search() function is parsed but
+// not yet implemented; reject it with a clear invalid-input error.
+func (v *filterExpressionVisitor) VisitSearchCall(ctx *grammar.SearchCallContext) any {
+	v.errors = append(v.errors, "function `search` is not yet supported")
+	return ErrorConditionLiteral
+}
+
 // VisitFunctionParamList handles the parameter list for function calls.
 func (v *filterExpressionVisitor) VisitFunctionParamList(ctx *grammar.FunctionParamListContext) any {
 	params := ctx.AllFunctionParam()

pkg/telemetrylogs/filter_expr_logs_test.go

@@ -115,7 +115,7 @@ func TestFilterExprLogs(t *testing.T) {
 			category:              "Single word",
 			query:                 "<script>alert('xss')</script>",
 			shouldPass:            false,
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got '<'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got '<'",
 		},
 
 		// Single word searches with spaces
@@ -181,7 +181,7 @@ func TestFilterExprLogs(t *testing.T) {
 			category:              "Special characters",
 			query:                 "[tracing]",
 			shouldPass:            false,
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got '['",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got '['",
 		},
 		{
 			category:              "Special characters",
@@ -211,7 +211,7 @@ func TestFilterExprLogs(t *testing.T) {
 			category:              "Special characters",
 			query:                 "ERROR: cannot execute update() in a read-only context",
 			shouldPass:            false,
-			expectedErrorContains: "expecting one of {(, AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got ')'",
+			expectedErrorContains: "expecting one of {(, AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got ')'",
 		},
 		{
 			category:              "Special characters",
@@ -633,7 +633,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'and'",
+			expectedErrorContains: "expecting one of {(, ), FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'and'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -641,7 +641,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'or'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'or'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -649,7 +649,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), FREETEXT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got EOF",
+			expectedErrorContains: "expecting one of {(, ), FREETEXT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got EOF",
 		},
 		{
 			category:              "Keyword conflict",
@@ -657,7 +657,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'like'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'like'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -665,7 +665,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'between'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'between'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -673,7 +673,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'in'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'in'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -681,7 +681,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'exists'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'exists'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -689,7 +689,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'regexp'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'regexp'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -697,7 +697,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          []any{},
-			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'contains'",
+			expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'contains'",
 		},
 		{
 			category:              "Keyword conflict",
@@ -2033,9 +2033,9 @@ func TestFilterExprLogs(t *testing.T) {
 			expectedErrorContains: "",
 		},
 
-		{category: "Only keywords", query: "AND", shouldPass: false, expectedErrorContains: "expecting one of {(, ), FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'AND'"},
-		{category: "Only keywords", query: "OR", shouldPass: false, expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'OR'"},
-		{category: "Only keywords", query: "NOT", shouldPass: false, expectedErrorContains: "expecting one of {(, ), FREETEXT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got EOF"},
+		{category: "Only keywords", query: "AND", shouldPass: false, expectedErrorContains: "expecting one of {(, ), FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'AND'"},
+		{category: "Only keywords", query: "OR", shouldPass: false, expectedErrorContains: "expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'OR'"},
+		{category: "Only keywords", query: "NOT", shouldPass: false, expectedErrorContains: "expecting one of {(, ), FREETEXT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got EOF"},
 
 		{category: "Only functions", query: "has", shouldPass: false, expectedErrorContains: "expecting one of {(, )} but got EOF"},
 		{category: "Only functions", query: "hasAny", shouldPass: false, expectedErrorContains: "expecting one of {(, )} but got EOF"},
@@ -2177,7 +2177,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          nil,
-			expectedErrorContains: "line 1:0 expecting one of {(, ), FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'and'",
+			expectedErrorContains: "line 1:0 expecting one of {(, ), FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'and'",
 		},
 		{
 			category:              "Operator keywords as keys",
@@ -2185,7 +2185,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          nil,
-			expectedErrorContains: "line 1:0 expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'or'",
+			expectedErrorContains: "line 1:0 expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'or'",
 		},
 		{
 			category:              "Operator keywords as keys",
@@ -2193,7 +2193,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          nil,
-			expectedErrorContains: "line 1:3 expecting one of {(, ), FREETEXT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got '='",
+			expectedErrorContains: "line 1:3 expecting one of {(, ), FREETEXT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got '='",
 		},
 		{
 			category:              "Operator keywords as keys",
@@ -2201,7 +2201,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          nil,
-			expectedErrorContains: "line 1:0 expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'between'",
+			expectedErrorContains: "line 1:0 expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'between'",
 		},
 		{
 			category:              "Operator keywords as keys",
@@ -2209,7 +2209,7 @@ func TestFilterExprLogs(t *testing.T) {
 			shouldPass:            false,
 			expectedQuery:         "",
 			expectedArgs:          nil,
-			expectedErrorContains: "line 1:0 expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text} but got 'in'",
+			expectedErrorContains: "line 1:0 expecting one of {(, ), AND, FREETEXT, NOT, boolean, has(), hasAll(), hasAny(), hasToken(), number, quoted text, search()} but got 'in'",
 		},
 
 		// Using function keywords as keys

pkg/variables/variable_replace_visitor.go

@@ -109,6 +109,8 @@ func (v *variableReplacementVisitor) Visit(tree antlr.ParseTree) any {
 		return v.VisitValueList(t)
 	case *grammar.FullTextContext:
 		return v.VisitFullText(t)
+	case *grammar.SearchCallContext:
+		return v.VisitSearchCall(t)
 	case *grammar.FunctionCallContext:
 		return v.VisitFunctionCall(t)
 	case *grammar.FunctionParamListContext:
@@ -203,6 +205,8 @@ func (v *variableReplacementVisitor) VisitPrimary(ctx *grammar.PrimaryContext) a
 		return v.Visit(ctx.Comparison())
 	} else if ctx.FunctionCall() != nil {
 		return v.Visit(ctx.FunctionCall())
+	} else if ctx.SearchCall() != nil {
+		return v.Visit(ctx.SearchCall())
 	} else if ctx.FullText() != nil {
 		return v.Visit(ctx.FullText())
 	}
@@ -407,6 +411,13 @@ func (v *variableReplacementVisitor) VisitFunctionCall(ctx *grammar.FunctionCall
 	return functionName + "(" + params + ")"
 }
 
+func (v *variableReplacementVisitor) VisitSearchCall(ctx *grammar.SearchCallContext) any {
+	if ctx.FunctionParamList() == nil {
+		return "search()"
+	}
+	return "search(" + v.Visit(ctx.FunctionParamList()).(string) + ")"
+}
+
 func (v *variableReplacementVisitor) VisitFunctionParamList(ctx *grammar.FunctionParamListContext) any {
 	params := ctx.AllFunctionParam()
 	parts := make([]string, 0, len(params))