Fix parsing of EQL/JPQL using string literals and enums in IN items.

Closes #3835

Author: mp911de

Diff for: spring-data-jpa/src/main/antlr4/org/springframework/data/jpa/repository/query/Eql.g4

@@ -354,7 +354,12 @@ in_expression
 
 in_item
     : literal
+    | string_expression
+    | boolean_literal
+    | numeric_literal
+    | date_time_timestamp_literal
     | single_valued_input_parameter
+    | conditional_expression
     ;
 
 like_expression

Diff for: spring-data-jpa/src/main/antlr4/org/springframework/data/jpa/repository/query/Jpql.g4

@@ -342,7 +342,12 @@ in_expression
 
 in_item
     : literal
+    | string_expression
+    | boolean_literal
+    | numeric_literal
+    | date_time_timestamp_literal
     | single_valued_input_parameter
+    | conditional_expression
     ;
 
 like_expression

Diff for: spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/EqlQueryRenderer.java

@@ -1189,15 +1189,23 @@ public QueryTokenStream visitIn_expression(EqlParser.In_expressionContext ctx) {
 	@Override
 	public QueryTokenStream visitIn_item(EqlParser.In_itemContext ctx) {
 
-		QueryRendererBuilder builder = QueryRenderer.builder();
-
 		if (ctx.literal() != null) {
-			builder.append(visit(ctx.literal()));
+			return visit(ctx.literal());
+		} else if (ctx.string_expression() != null) {
+			return visit(ctx.string_expression());
+		} else if (ctx.boolean_literal() != null) {
+			return visit(ctx.boolean_literal());
+		} else if (ctx.numeric_literal() != null) {
+			return visit(ctx.numeric_literal());
+		} else if (ctx.date_time_timestamp_literal() != null) {
+			return visit(ctx.date_time_timestamp_literal());
 		} else if (ctx.single_valued_input_parameter() != null) {
-			builder.append(visit(ctx.single_valued_input_parameter()));
+			return visit(ctx.single_valued_input_parameter());
+		} else if (ctx.conditional_expression() != null) {
+			return visit(ctx.conditional_expression());
 		}
 
-		return builder;
+		return QueryTokenStream.empty();
 	}
 
 	@Override

Diff for: spring-data-jpa/src/main/java/org/springframework/data/jpa/repository/query/JpqlQueryRenderer.java

@@ -1113,8 +1113,18 @@ public QueryTokenStream visitIn_item(JpqlParser.In_itemContext ctx) {
 
 		if (ctx.literal() != null) {
 			return visit(ctx.literal());
+		} else if (ctx.string_expression() != null) {
+			return visit(ctx.string_expression());
+		} else if (ctx.boolean_literal() != null) {
+			return visit(ctx.boolean_literal());
+		} else if (ctx.numeric_literal() != null) {
+			return visit(ctx.numeric_literal());
+		} else if (ctx.date_time_timestamp_literal() != null) {
+			return visit(ctx.date_time_timestamp_literal());
 		} else if (ctx.single_valued_input_parameter() != null) {
 			return visit(ctx.single_valued_input_parameter());
+		} else if (ctx.conditional_expression() != null) {
+			return visit(ctx.conditional_expression());
 		}
 
 		return QueryTokenStream.empty();

Diff for: spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/query/EqlQueryRendererTests.java

@@ -555,6 +555,18 @@ WHERE TYPE(e) IN :empTypes
 				""");
 	}
 
+	@Test
+	void inClauseWithFunctionAndLiterals() {
+
+		assertQuery("""
+				select f from FooEntity f where upper(f.name) IN ('Y', 'Basic', 'Remit')
+				""");
+		assertQuery(
+				"""
+						select count(f) from FooEntity f where f.status IN (com.example.eql_bug_check.entity.FooStatus.FOO, com.example.eql_bug_check.entity.FooStatus.BAR)
+						""");
+	}
+
 	@Test
 	void notEqualsForTypeShouldWork() {
 

Diff for: spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/query/JpqlQueryRendererTests.java

@@ -556,6 +556,18 @@ WHERE TYPE(e) IN :empTypes
 				""");
 	}
 
+	@Test
+	void inClauseWithFunctionAndLiterals() {
+
+		assertQuery("""
+				select f from FooEntity f where upper(f.name) IN ('Y', 'Basic', 'Remit')
+				""");
+		assertQuery(
+				"""
+						select count(f) from FooEntity f where f.status IN (com.example.eql_bug_check.entity.FooStatus.FOO, com.example.eql_bug_check.entity.FooStatus.BAR)
+						""");
+	}
+
 	@Test
 	void notEqualsForTypeShouldWork() {