Fix order by clauses for functions with positional and named arguments.

Related: #2045.

Closes #425.

Author: gregturn

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

@@ -77,6 +77,7 @@
  * @author Diego Krupitza
  * @author Jędrzej Biedrzycki
  * @author Darin Manica
+ * @author Simon Paradies
  */
 public abstract class QueryUtils {
 
@@ -182,7 +183,7 @@ public abstract class QueryUtils {
 
 		builder = new StringBuilder();
 		// any function call including parameters within the brackets
-		builder.append("\\w+\\s*\\([\\w\\.,\\s'=]+\\)");
+		builder.append("\\w+\\s*\\([\\w\\.,\\s'=:\\\\?]+\\)");
 		// the potential alias
 		builder.append("\\s+[as|AS]+\\s+(([\\w\\.]+))");
 

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

@@ -95,6 +95,7 @@
  * @author Greg Turnquist
  * @author Diego Krupitza
  * @author Daniel Shuy
+ * @author Simon Paradies
  */
 @ExtendWith(SpringExtension.class)
 @ContextConfiguration("classpath:application-context.xml")
@@ -2877,6 +2878,16 @@ void deleteWithSpec() {
 		assertThat(initialCount - finalCount).isEqualTo(3L);
 	}
 
+	@Test // GH-2045, GH-425
+	public void correctlyBuildSortClauseWhenSortingByFunctionAliasAndFunctionContainsPositionalParameters() {
+		repository.findAllAndSortByFunctionResultPositionalParameter("prefix", "suffix", Sort.by("idWithPrefixAndSuffix"));
+	}
+
+	@Test // GH-2045, GH-425
+	public void correctlyBuildSortClauseWhenSortingByFunctionAliasAndFunctionContainsNamedParameters() {
+		repository.findAllAndSortByFunctionResultNamedParameter("prefix", "suffix", Sort.by("idWithPrefixAndSuffix"));
+	}
+
 	private Page<User> executeSpecWithSort(Sort sort) {
 
 		flushTestUsers();

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/sample/UserRepository.java

@@ -54,6 +54,7 @@
  * @author Andrey Kovalev
  * @author JyotirmoyVS
  * @author Greg Turnquist
+ * @author Simon Paradies
  */
 public interface UserRepository
 		extends JpaRepository<User, Integer>, JpaSpecificationExecutor<User>, UserRepositoryCustom {
@@ -625,6 +626,17 @@ Page<User> findAllOrderedBySpecialNameMultipleParams(@Param("name") String name,
 	// GH-2408
 	List<NameOnly> findAllInterfaceProjectedBy();
 
+	// GH-2045, GH-425
+	@Query("select concat(?1,u.id,?2) as idWithPrefixAndSuffix from #{#entityName} u")
+	List<String> findAllAndSortByFunctionResultPositionalParameter(
+			@Param("positionalParameter1") String positionalParameter1,
+			@Param("positionalParameter2") String positionalParameter2, Sort sort);
+
+	// GH-2045, GH-425
+	@Query("select concat(:namedParameter1,u.id,:namedParameter2) as idWithPrefixAndSuffix from #{#entityName} u")
+	List<String> findAllAndSortByFunctionResultNamedParameter(@Param("namedParameter1") String namedParameter1,
+			@Param("namedParameter2") String namedParameter2, Sort sort);
+
 	interface RolesAndFirstname {
 
 		String getFirstname();