HHH-14649 Add test for issue

(cherry picked from commit bbc2ecb484)

hibernate-core/src/test/java/org/hibernate/dialect/Oracle12LimitHandlerTest.java

@@ -0,0 +1,67 @@
+package org.hibernate.dialect;
+
+import org.hibernate.dialect.pagination.Oracle12LimitHandler;
+import org.hibernate.engine.spi.QueryParameters;
+import org.hibernate.engine.spi.RowSelection;
+
+import org.hibernate.testing.TestForIssue;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+@TestForIssue( jiraKey = "HHH-14649")
+public class Oracle12LimitHandlerTest {
+
+	@Test
+	public void testSqlWithSpace() {
+		final String sql = "select  p.name from Person p where p.id = 1 for update";
+		final String expected = "select * from ( select  p.name from Person p where p.id = 1 ) where rownum <= ? for update";
+
+		final QueryParameters queryParameters = getQueryParameters( 0, 5 );
+		final String processedSql = Oracle12LimitHandler.INSTANCE.processSql( sql, queryParameters );
+
+		assertEquals( expected, processedSql );
+	}
+
+	@Test
+	public void testSqlWithSpaceInsideQuotedString() {
+		final String sql = "select p.name from Person p where p.name =  ' this is a  string with spaces  ' for update";
+		final String expected = "select * from ( select p.name from Person p where p.name =  ' this is a  string with spaces  ' ) where rownum <= ? for update";
+
+		final QueryParameters queryParameters = getQueryParameters( 0, 5 );
+		final String processedSql = Oracle12LimitHandler.INSTANCE.processSql( sql, queryParameters );
+
+		assertEquals( expected, processedSql );
+	}
+
+	@Test
+	public void testSqlWithForUpdateInsideQuotedString() {
+		final String sql = "select a.prop from A a where a.name =  'this is for update '";
+		final String expected = "select a.prop from A a where a.name =  'this is for update ' fetch first ? rows only";
+
+		final QueryParameters queryParameters = getQueryParameters( 0, 5 );
+		final String processedSql = Oracle12LimitHandler.INSTANCE.processSql( sql, queryParameters );
+
+		assertEquals( expected, processedSql );
+	}
+
+	@Test
+	public void testSqlWithForUpdateInsideAndOutsideQuotedStringA() {
+		final String sql = "select a.prop from A a where a.name =  'this is for update ' for update";
+		final String expected = "select * from ( select a.prop from A a where a.name =  'this is for update ' ) where rownum <= ? for update";
+
+		final QueryParameters queryParameters = getQueryParameters( 0, 5 );
+		final String processedSql = Oracle12LimitHandler.INSTANCE.processSql( sql, queryParameters );
+
+		assertEquals( expected, processedSql );
+	}
+
+	private QueryParameters getQueryParameters(int firstRow, int maxRow) {
+		final QueryParameters queryParameters = new QueryParameters();
+		RowSelection rowSelection = new RowSelection();
+		rowSelection.setFirstRow( firstRow );
+		rowSelection.setMaxRows( maxRow );
+		queryParameters.setRowSelection( rowSelection );
+		return queryParameters;
+	}
+}

hibernate-core/src/test/java/org/hibernate/test/pagination/OraclePaginationWithLocksTest.java

@@ -96,6 +96,30 @@ public class OraclePaginationWithLocksTest extends BaseCoreFunctionalTestCase {
 		);
 	}
 
+	@Test
+	public void testNativeQueryWithSpaces() {
+		inTransaction( session -> {
+			final List<Person> people = session.createNativeQuery(
+					"select  p.name from Person p where p.id = 1 for update" )
+					.setMaxResults( 10 )
+					.list();
+		} );
+
+		inTransaction( session -> {
+			Person p = new Person();
+			p.setName( " this is a  string with spaces  " );
+			session.persist( p );
+		} );
+
+		inTransaction( session -> {
+			final List<Person> people = session.createNativeQuery(
+					"select p.name from Person p where p.name =  ' this is a  string with spaces  ' for update" )
+					.setMaxResults( 10 )
+					.list();
+			assertEquals( 1, people.size() );
+		} );
+	}
+
 	@Test
 	public void testCriteriaQuery() {
 		inTransaction(