Manual merge

mysql-test/t/delete.test:
  Auto merged
sql/sql_delete.cc:
  Auto merged

mysql-test/r/delete.result

@@ -163,3 +163,12 @@ select * from t1;
 a	b
 7	7
 drop table t1;
+CREATE TABLE t1 ( a int PRIMARY KEY );
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
+INSERT INTO t1 VALUES (0),(1),(2);
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
+SELECT * FROM t1;
+a
+0
+2
+DROP TABLE t1;

mysql-test/t/delete.test

@@ -141,3 +141,14 @@ delete t1 from t1 where a = 3;
 check table t1;
 select * from t1;
 drop table t1;
+
+#
+# Bug #8392: delete with ORDER BY containing a direct reference to the table 
+#
+ 
+CREATE TABLE t1 ( a int PRIMARY KEY );
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a;
+INSERT INTO t1 VALUES (0),(1),(2);
+DELETE FROM t1 WHERE t1.a > 0 ORDER BY t1.a LIMIT 1;
+SELECT * FROM t1;
+DROP TABLE t1;

sql/sql_delete.cc

@@ -117,6 +117,7 @@ int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, SQL_LIST *order,
 
     bzero((char*) &tables,sizeof(tables));
     tables.table = table;
+    tables.alias = table_list->alias;
 
     table->sort.io_cache = (IO_CACHE *) my_malloc(sizeof(IO_CACHE),
                                              MYF(MY_FAE | MY_ZEROFILL));