user_var.result:

  after merge fix

mysql-test/r/user_var.result

@@ -172,23 +172,26 @@ SET TIMESTAMP=10000;
 SET @`a b`='hello';
 INSERT INTO t1 VALUES(@`a b`);
 set @var1= "';aaa";
-insert into t1 values (@var1);
+SET @var2=char(ascii('a'));
+insert into t1 values (@var1),(@var2);
 show binlog events from 95;
 Log_name	Pos	Event_type	Server_id	End_log_pos	Info
 master-bin.000001	95	User var	1	136	@`a b`=_latin1 0x68656C6C6F COLLATE latin1_swedish_ci
 master-bin.000001	136	Query	1	222	use `test`; INSERT INTO t1 VALUES(@`a b`)
 master-bin.000001	222	User var	1	264	@`var1`=_latin1 0x273B616161 COLLATE latin1_swedish_ci
-master-bin.000001	264	Query	1	350	use `test`; insert into t1 values (@var1)
+master-bin.000001	264	User var	1	302	@`var2`=_latin1 0x61 COLLATE latin1_swedish_ci
+master-bin.000001	302	Query	1	396	use `test`; insert into t1 values (@var1),(@var2)
 /*!40019 SET @@session.max_insert_delayed_threads=0*/;
-SET @`a b`:=_latin1 0x68656C6C6F COLLATE latin1_swedish_ci;
+SET @`a b`:=_latin1 0x68656C6C6F COLLATE `latin1_swedish_ci`;
 use test;
 SET TIMESTAMP=10000;
 SET @@session.foreign_key_checks=1, @@session.sql_auto_is_null=1, @@session.unique_checks=1;
 SET @@session.sql_mode=0;
 INSERT INTO t1 VALUES(@`a b`);
-SET @`var1`:=_latin1 0x273B616161 COLLATE latin1_swedish_ci;
+SET @`var1`:=_latin1 0x273B616161 COLLATE `latin1_swedish_ci`;
+SET @`var2`:=_latin1 0x61 COLLATE `latin1_swedish_ci`;
 SET TIMESTAMP=10000;
-insert into t1 values (@var1);
+insert into t1 values (@var1),(@var2);
 drop table t1;
 set @var= NULL ;
 select FIELD( @var,'1it','Hit') as my_column;