WL#1012: All changes as one single changeset.

This includes both code and test cases.

mysql-test/r/rpl_stm_user_variables.result

@@ -0,0 +1,82 @@
+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+reset master;
+create table t1(n char(30));
+set @i1:=12345678901234, @i2:=-12345678901234, @i3:=0, @i4:=-1;
+set @s1:='This is a test', @r1:=12.5, @r2:=-12.5;
+set @n1:=null;
+set @s2:='', @s3:='abc\'def', @s4:= 'abc\\def', @s5:= 'abc''def';
+insert into t1 values (@i1), (@i2), (@i3), (@i4);
+insert into t1 values (@r1), (@r2);
+insert into t1 values (@s1), (@s2), (@s3), (@s4), (@s5);
+insert into t1 values (@n1);
+insert into t1 values (@n2);
+insert into t1 values (@a:=0), (@a:=@a+1), (@a:=@a+1);
+insert into t1 values (@a+(@b:=@a+1));
+set @q:='abc';
+insert t1 values (@q), (@q:=concat(@q, 'n1')), (@q:=concat(@q, 'n2'));
+set @a:=5;
+insert into t1 values (@a),(@a);
+select * from t1 where n = '<nonexistant>';
+n
+insert into t1 values (@a),(@a),(@a*5);
+select * from t1;
+n
+12345678901234
+-12345678901234
+0
+-1
+12.5
+-12.5
+This is a test
+
+abc'def
+abc\def
+abc'def
+NULL
+NULL
+0
+1
+2
+5
+abc
+abcn1
+abcn1n2
+5
+5
+NULL
+NULL
+NULL
+select * from t1;
+n
+12345678901234
+-12345678901234
+0
+-1
+12.5
+-12.5
+This is a test
+
+abc'def
+abc\def
+abc'def
+NULL
+NULL
+0
+1
+2
+5
+abc
+abcn1
+abcn1n2
+5
+5
+NULL
+NULL
+NULL
+drop table t1;
+stop slave;