Commit e12ea247 authored by unknown's avatar unknown
Browse files

Merge tulin@bk-internal.mysql.com:/home/bk/mysql-5.0 

into dl145c.mysql.com:/home/ndbdev/tomas/mysql-5.1


sql/sql_select.cc:
  Auto merged
parents a778fb51 4d8cbb0c

mysql-test/r/query_cache.result

+29 −0
Original line number Diff line number Diff line
@@ -1007,4 +1007,33 @@ abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzab 
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flush query cache;

drop table t1, t2;

create table t1 (a int);

insert into t1 values (1),(2);

CREATE PROCEDURE `p1`()

begin

Declare c1 cursor for select a from t1;

open c1;

select * from t1;

end//

call p1()//

a

1

2

drop procedure p1;

create function f1() returns int

begin

Declare var1 int;

select max(a) from t1 into var1;

return var1;

end//

create procedure `p1`()

begin

select a, f1() from t1;

end//

call p1()//

a	f1()

1	2

2	2

drop procedure p1//

drop table t1//

set GLOBAL query_cache_size=0;

mysql-test/t/query_cache.test

+32 −0
Original line number Diff line number Diff line
@@ -756,4 +756,36 @@ flush query cache; 


drop table t1, t2;



#

# SP cursors and selects with query cache (BUG#9715)

#

create table t1 (a int);

insert into t1 values (1),(2);



delimiter //;

CREATE PROCEDURE `p1`()

begin

Declare c1 cursor for select a from t1;

open c1;

select * from t1;

end//

call p1()//

drop procedure p1;



create function f1() returns int

begin

Declare var1 int;

select max(a) from t1 into var1;

return var1;

end//

create procedure `p1`()

begin

 select a, f1() from t1;

end//

call p1()//

drop procedure p1//



drop table t1//

delimiter ;//



set GLOBAL query_cache_size=0;

sql/item.h

+3 −6
Original line number Diff line number Diff line
@@ -1352,12 +1352,9 @@ class Item_ref :public Item_ident 
  {

    (*ref)->save_in_field(result_field, no_conversions);

  }

  Item *real_item() {

    Item *item= this;

    do

      item= *((Item_ref *)item)->ref;

    while (item->type() == Item::REF_ITEM);

    return item;

  Item *real_item()

  {

    return (*ref)->real_item();

  }

  bool walk(Item_processor processor, byte *arg)

  { return (*ref)->walk(processor, arg); }

sql/sp_head.h

+4 −0
Original line number Diff line number Diff line
@@ -377,6 +377,10 @@ class sp_lex_keeper 
    return (uint)m_lex->sql_command;

  }



  void disable_query_cache()

  {

    m_lex->safe_to_cache_query= 0;

  }

private:



  LEX *m_lex;

sql/sp_rcontext.cc

+11 −0
Original line number Diff line number Diff line
@@ -169,6 +169,17 @@ sp_rcontext::pop_cursors(uint count) 
 *

 */



sp_cursor::sp_cursor(sp_lex_keeper *lex_keeper)

  :m_lex_keeper(lex_keeper), m_prot(NULL), m_isopen(0), m_current_row(NULL)

{

  /*

    currsor can't be stored in QC, so we should prevent opening QC for

    try to write results which are absent.

  */

  lex_keeper->disable_query_cache();

}





/*

  pre_open cursor