Fix JPQL long literal parsing.

Closes #3308
Original pull request: #3280

Author: christophstrobl

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

@@ -23,6 +23,7 @@ grammar Jpql;
  *
  * @see https://github.com/jakartaee/persistence/blob/master/spec/src/main/asciidoc/ch04-query-language.adoc#bnf
  * @author Greg Turnquist
+ * @author Christoph Strobl
  * @since 3.1
  */
 }
@@ -621,6 +622,7 @@ literal
     : STRINGLITERAL
     | INTLITERAL
     | FLOATLITERAL
+    | LONGLITERAL
     | boolean_literal
     | entity_type_literal
     ;
@@ -650,6 +652,7 @@ escape_character
 numeric_literal
     : INTLITERAL
     | FLOATLITERAL
+    | LONGLITERAL
     ;
 
 boolean_literal
@@ -855,3 +858,4 @@ IDENTIFICATION_VARIABLE     : ('a' .. 'z' | 'A' .. 'Z' | '\u0080' .. '\ufffe' |
 STRINGLITERAL               : '\'' (~ ('\'' | '\\'))* '\'' ;
 FLOATLITERAL                : ('0' .. '9')* '.' ('0' .. '9')+ (E '0' .. '9')* ;
 INTLITERAL                  : ('0' .. '9')+ ;
+LONGLITERAL                  : ('0' .. '9')+L ;

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

@@ -24,6 +24,7 @@
  * An ANTLR {@link org.antlr.v4.runtime.tree.ParseTreeVisitor} that renders a JPQL query without making any changes.
  *
  * @author Greg Turnquist
+ * @author Christoph Strobl
  * @since 3.1
  */
 @SuppressWarnings({ "ConstantConditions", "DuplicatedCode" })
@@ -2156,6 +2157,8 @@ public List<JpaQueryParsingToken> visitLiteral(JpqlParser.LiteralContext ctx) {
 			tokens.add(new JpaQueryParsingToken(ctx.INTLITERAL()));
 		} else if (ctx.FLOATLITERAL() != null) {
 			tokens.add(new JpaQueryParsingToken(ctx.FLOATLITERAL()));
+		} else if(ctx.LONGLITERAL() != null) {
+			tokens.add(new JpaQueryParsingToken(ctx.LONGLITERAL()));
 		} else if (ctx.boolean_literal() != null) {
 			tokens.addAll(visit(ctx.boolean_literal()));
 		} else if (ctx.entity_type_literal() != null) {
@@ -2216,6 +2219,8 @@ public List<JpaQueryParsingToken> visitNumeric_literal(JpqlParser.Numeric_litera
 			return List.of(new JpaQueryParsingToken(ctx.INTLITERAL()));
 		} else if (ctx.FLOATLITERAL() != null) {
 			return List.of(new JpaQueryParsingToken(ctx.FLOATLITERAL()));
+		} else if(ctx.LONGLITERAL() != null) {
+			return List.of(new JpaQueryParsingToken(ctx.LONGLITERAL()));
 		} else {
 			return List.of();
 		}

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

@@ -32,6 +32,7 @@
  * @author Mark Paluch
  * @author Diego Krupitza
  * @author Geoffrey Deremetz
+ * @author Christoph Strobl
  */
 public class JSqlParserQueryEnhancerUnitTests extends QueryEnhancerTckTests {
 
@@ -49,6 +50,8 @@ void shouldDeriveJpqlCountQuery(String query, String expected) {
 
 		assumeThat(query).as("JSQLParser does not support constructor JPQL syntax").doesNotContain(" new ");
 
+		assumeThat(query).as("JSQLParser does not support MOD JPQL syntax").doesNotContain("MOD(");
+
 		super.shouldDeriveJpqlCountQuery(query, expected);
 	}