Commit 983a836f authored by unknown's avatar unknown
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Fix for bug#12127 triggers do not show in info_schema before they are used if... 

Fix for bug#12127 triggers do not show in info_schema before they are used if set to the database(2nd version)
  use db name of table which trigger belongs to
  instead of thd->db name during trigger body parsing
parent 663ad343

mysql-test/r/information_schema.result

+9 −0
Original line number Diff line number Diff line
@@ -940,3 +940,12 @@ f5 19 NULL 
f6	1	NULL

f7	64	NULL

drop table t1;

create table t1 (f1 integer);

create trigger tr1 after insert on t1 for each row set @test_var=42;

use information_schema;

select trigger_schema, trigger_name from triggers where

trigger_name='tr1';

trigger_schema	trigger_name

test	tr1

use test;

drop table t1;

mysql-test/t/information_schema.test

+11 −0
Original line number Diff line number Diff line
@@ -622,3 +622,14 @@ select column_name, NUMERIC_PRECISION, NUMERIC_SCALE 
from information_schema.columns

where table_name='t1';

drop table t1;



#

# Bug #12127 triggers do not show in info_schema before they are used if set to the database

#

create table t1 (f1 integer);

create trigger tr1 after insert on t1 for each row set @test_var=42;

use information_schema;

select trigger_schema, trigger_name from triggers where

trigger_name='tr1';

use test;

drop table t1;

sql/sql_trigger.cc

+9 −0
Original line number Diff line number Diff line
@@ -520,6 +520,7 @@ bool Table_triggers_list::check_n_load(THD *thd, const char *db, 
  char path_buff[FN_REFLEN];

  LEX_STRING path;

  File_parser *parser;

  LEX_STRING save_db;



  DBUG_ENTER("Table_triggers_list::check_n_load");
@@ -581,6 +582,10 @@ bool Table_triggers_list::check_n_load(THD *thd, const char *db, 


      thd->lex= &lex;



      save_db.str= thd->db;

      save_db.length= thd->db_length;

      thd->db_length= strlen(db);

      thd->db= (char *) db;

      while ((trg_create_str= it++))

      {

        lex_start(thd, (uchar*)trg_create_str->str, trg_create_str->length);
@@ -623,6 +628,8 @@ bool Table_triggers_list::check_n_load(THD *thd, const char *db, 


        lex_end(&lex);

      }

      thd->db= save_db.str;

      thd->db_length= save_db.length;

      thd->lex= old_lex;



      DBUG_RETURN(0);
@@ -631,6 +638,8 @@ bool Table_triggers_list::check_n_load(THD *thd, const char *db, 
      // QQ: anything else ?

      lex_end(&lex);

      thd->lex= old_lex;

      thd->db= save_db.str;

      thd->db_length= save_db.length;

      DBUG_RETURN(1);

    }