Update JPQL grammar to support F and D suffixes.

See #3277
Original pull request: #3280

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

@@ -204,6 +204,7 @@ constructor_item
     | scalar_expression
     | aggregate_expression
     | identification_variable
+    | literal
     ;
 
 aggregate_expression
@@ -620,6 +621,7 @@ constructor_name
 
 literal
     : STRINGLITERAL
+    | JAVASTRINGLITERAL
     | INTLITERAL
     | FLOATLITERAL
     | LONGLITERAL
@@ -852,10 +854,10 @@ WHERE                       : W H E R E;
 EQUAL                       : '=' ;
 NOT_EQUAL                   : '<>' | '!=' ;
 
-
 CHARACTER                   : '\'' (~ ('\'' | '\\')) '\'' ;
 IDENTIFICATION_VARIABLE     : ('a' .. 'z' | 'A' .. 'Z' | '\u0080' .. '\ufffe' | '$' | '_') ('a' .. 'z' | 'A' .. 'Z' | '\u0080' .. '\ufffe' | '0' .. '9' | '$' | '_')* ;
 STRINGLITERAL               : '\'' (~ ('\'' | '\\'))* '\'' ;
-FLOATLITERAL                : ('0' .. '9')* '.' ('0' .. '9')+ (E '0' .. '9')* ;
+JAVASTRINGLITERAL           : '"' ( ('\\' [btnfr"']) | ~('"'))* '"';
+FLOATLITERAL                : ('0' .. '9')* '.' ('0' .. '9')+ (E ('0' .. '9')+)* (F|D)?;
 INTLITERAL                  : ('0' .. '9')+ ;
 LONGLITERAL                  : ('0' .. '9')+L ;

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

@@ -722,6 +722,8 @@ class JpqlQueryRenderer extends JpqlBaseVisitor<List<JpaQueryParsingToken>> {
 			tokens.addAll(visit(ctx.aggregate_expression()));
 		} else if (ctx.identification_variable() != null) {
 			tokens.addAll(visit(ctx.identification_variable()));
+		} else if (ctx.literal() != null) {
+			tokens.addAll(visit(ctx.literal()));
 		}
 
 		return tokens;
@@ -2152,6 +2154,8 @@ class JpqlQueryRenderer extends JpqlBaseVisitor<List<JpaQueryParsingToken>> {
 
 		if (ctx.STRINGLITERAL() != null) {
 			tokens.add(new JpaQueryParsingToken(ctx.STRINGLITERAL()));
+		} else if (ctx.JAVASTRINGLITERAL() != null) {
+			tokens.add(new JpaQueryParsingToken(ctx.JAVASTRINGLITERAL()));
 		} else if (ctx.INTLITERAL() != null) {
 			tokens.add(new JpaQueryParsingToken(ctx.INTLITERAL()));
 		} else if (ctx.FLOATLITERAL() != null) {

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/query/JpqlComplianceTests.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.jpa.repository.query;
+
+import static org.assertj.core.api.Assertions.*;
+import static org.springframework.data.jpa.repository.query.JpaQueryParsingToken.*;
+
+import org.antlr.v4.runtime.CharStreams;
+import org.antlr.v4.runtime.CommonTokenStream;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Test to verify compliance of {@link JpqlParser} with standard SQL. Other than {@link JpqlSpecificationTests} tests in
+ * this class check that the parser follows a lenient approach and does not error on well known concepts like numeric
+ * suffix.
+ * 
+ * @author Christoph Strobl
+ */
+class JpqlComplianceTests {
+
+	private static String parseWithoutChanges(String query) {
+
+		JpqlLexer lexer = new JpqlLexer(CharStreams.fromString(query));
+		JpqlParser parser = new JpqlParser(new CommonTokenStream(lexer));
+
+		parser.addErrorListener(new BadJpqlGrammarErrorListener(query));
+
+		JpqlParser.StartContext parsedQuery = parser.start();
+
+		return render(new JpqlQueryRenderer().visit(parsedQuery));
+	}
+
+	private void assertQuery(String query) {
+
+		String slimmedDownQuery = reduceWhitespace(query);
+		assertThat(parseWithoutChanges(slimmedDownQuery)).isEqualTo(slimmedDownQuery);
+	}
+
+	private String reduceWhitespace(String original) {
+
+		return original //
+				.replaceAll("[ \\t\\n]{1,}", " ") //
+				.trim();
+	}
+
+	@Test // GH-3277
+	void numericLiterals() {
+
+		assertQuery("SELECT e FROM  Employee e WHERE e.id = 1234");
+		assertQuery("SELECT e FROM  Employee e WHERE e.id = 1234L");
+		assertQuery("SELECT s FROM  Stat s WHERE s.ratio > 3.14");
+		assertQuery("SELECT s FROM  Stat s WHERE s.ratio > 3.14F");
+		assertQuery("SELECT s FROM  Stat s WHERE s.ratio > 3.14e32D");
+	}
+
+	@Test // GH-3308
+	void newWithStrings() {
+		assertQuery("select new com.example.demo.SampleObject(se.id, se.sampleValue, \"java\") from SampleEntity se");
+	}
+
+}

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/query/QueryEnhancerTckTests.java

@@ -164,7 +164,12 @@ abstract class QueryEnhancerTckTests {
 
 				Arguments.of( //
 						"select distinct m.genre from Media m where m.user = ?1 order by m.genre asc", //
-						"select count(distinct m.genre) from Media m where m.user = ?1"));
+						"select count(distinct m.genre) from Media m where m.user = ?1"),
+
+				Arguments.of( //
+						"select u from User u where MOD(u.age, 10L) = 2", //
+						"select count(u) from User u where MOD(u.age, 10L) = 2")
+				);
 	}
 
 	@ParameterizedTest // GH-2511, GH-2773