From 9e53118c4ef6e68d7236ab85b80381ae92bcc54e Mon Sep 17 00:00:00 2001
From: Strong Liu <stliu@hibernate.org>
Date: Tue, 10 Apr 2012 15:49:19 +0800
Subject: [PATCH] HHH-2697 - Can't use := for variable assignment within a
 SQL-Statement

---
 .../engine/query/spi/ParameterParser.java          |  4 ++++
 .../test/sql/hand/query/NativeSQLQueriesTest.java  | 14 ++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java b/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java
index d3616414db..1c6b94babe 100644
--- a/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java
+++ b/hibernate-core/src/main/java/org/hibernate/engine/query/spi/ParameterParser.java
@@ -81,6 +81,10 @@ public class ParameterParser {
 				inQuote = true;
 				recognizer.other( c );
 			}
+			else if ( '\\' == c ) {
+				// skip sending the backslash and instead send then next character, treating is as a literal
+				recognizer.other( sqlString.charAt( ++indx ) );
+			}
 			else {
 				if ( c == ':' ) {
 					// named parameter
diff --git a/hibernate-core/src/matrix/java/org/hibernate/test/sql/hand/query/NativeSQLQueriesTest.java b/hibernate-core/src/matrix/java/org/hibernate/test/sql/hand/query/NativeSQLQueriesTest.java
index 29910bd56a..344749567a 100644
--- a/hibernate-core/src/matrix/java/org/hibernate/test/sql/hand/query/NativeSQLQueriesTest.java
+++ b/hibernate-core/src/matrix/java/org/hibernate/test/sql/hand/query/NativeSQLQueriesTest.java
@@ -13,12 +13,14 @@ import org.junit.Test;
 import org.hibernate.Hibernate;
 import org.hibernate.HibernateException;
 import org.hibernate.Query;
+import org.hibernate.QueryException;
 import org.hibernate.SQLQuery;
 import org.hibernate.Session;
 import org.hibernate.Transaction;
 import org.hibernate.cfg.Configuration;
 import org.hibernate.cfg.Environment;
 import org.hibernate.dialect.H2Dialect;
+import org.hibernate.dialect.MySQL5Dialect;
 import org.hibernate.internal.util.collections.ArrayHelper;
 import org.hibernate.test.sql.hand.Dimension;
 import org.hibernate.test.sql.hand.Employment;
@@ -32,6 +34,7 @@ import org.hibernate.test.sql.hand.SpaceShip;
 import org.hibernate.test.sql.hand.Speech;
 import org.hibernate.test.sql.hand.TextHolder;
 import org.hibernate.testing.FailureExpected;
+import org.hibernate.testing.RequiresDialect;
 import org.hibernate.testing.SkipForDialect;
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
 import org.hibernate.transform.BasicTransformerAdapter;
@@ -833,6 +836,17 @@ public class NativeSQLQueriesTest extends BaseCoreFunctionalTestCase {
 		t.commit();
 		s.close();
 	}
+	@Test
+	@RequiresDialect(MySQL5Dialect.class)
+	public void testEscapeColonInSQL() throws QueryException {
+		Session s = openSession();
+		Transaction t = s.beginTransaction();
+		SQLQuery query = s.createSQLQuery( "SELECT @row \\:= 1" );
+		List list = query.list();
+		assertTrue( list.get( 0 ).toString().equals( "1" ) );
+		t.commit();
+		s.close();
+	}
 
 	private String buildLongString(int size, char baseChar) {
 		StringBuilder buff = new StringBuilder();