Commit 704a69eb authored by unknown's avatar unknown
Browse files

Bug#19136: Manual 5.0->5.1 merge 


sql/item_func.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
parents ca42197d c438e490

mysql-test/r/rpl_user_variables.result

+1 −0
Original line number Diff line number Diff line
@@ -78,5 +78,6 @@ abcn1 
abcn1n2

abc\def

This is a test

insert into t1 select * FROM (select @var1 union  select @var2) AS t2;

drop table t1;

stop slave;

mysql-test/t/rpl_user_variables.test

+1 −0
Original line number Diff line number Diff line
@@ -55,6 +55,7 @@ SELECT * FROM t1 ORDER BY n; 
sync_slave_with_master;

SELECT * FROM t1 ORDER BY n;

connection master;

insert into t1 select * FROM (select @var1 union  select @var2) AS t2;

drop table t1;

sync_slave_with_master;

stop slave;

sql/item_func.cc

+10 −0
Original line number Diff line number Diff line
@@ -3948,14 +3948,24 @@ int get_var_with_binlog(THD *thd, enum_sql_command sql_command, 
      sql_set_variables(), we could instead manually call check() and update();

      this would save memory and time; but calling sql_set_variables() makes

      one unique place to maintain (sql_set_variables()). 



      Manipulation with lex is necessary since free_underlaid_joins

      is going to release memory belonging to the main query.

    */



    List<set_var_base> tmp_var_list;

    LEX *sav_lex= thd->lex, lex_tmp;

    thd->lex= &lex_tmp;

    lex_start(thd, NULL, 0);

    tmp_var_list.push_back(new set_var_user(new Item_func_set_user_var(name,

                                                                       new Item_null())));

    /* Create the variable */

    if (sql_set_variables(thd, &tmp_var_list))

    {

      thd->lex= sav_lex;

      goto err;

    }

    thd->lex= sav_lex;

    if (!(var_entry= get_variable(&thd->user_vars, name, 0)))

      goto err;

  }