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Bug#10946: Confusing error messeges in the case of duplicate trigger definition

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It was hard to distinguish case, when one was unable to create trigger
on the table because trigger with same action time and event already
existed for this table, from the case, when one tried to create trigger
with name which was already occupied by some other trigger, since in
both these cases we emitted ER_TRG_ALREADY_EXISTS error and message.
Now we emit ER_NOT_SUPPORTED_YET error with appropriate additional
message in the first case. There is no sense in introducing separate
error for this situation since we plan to get rid of this limitation
eventually.
This commit is contained in:
kroki@mysql.com
2006-06-28 23:50:50 +04:00
parent 40a1c179e6
commit 3e2e20ecfb
3 changed files with 5 additions and 3 deletions
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4
sql/sql_trigger.cc
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@ -366,7 +366,9 @@ bool Table_triggers_list::create_trigger(THD *thd, TABLE_LIST *tables,
/* We don't allow creation of several triggers of the same type yet */
if (bodies[lex->trg_chistics.event][lex->trg_chistics.action_time])
{
my_message(ER_TRG_ALREADY_EXISTS, ER(ER_TRG_ALREADY_EXISTS), MYF(0));
my_error(ER_NOT_SUPPORTED_YET, MYF(0),
"multiple triggers with the same action time"
" and event for one table");
return 1;
}