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

Browse Source 
into dl145b.mysql.com:/home/ndbdev/tomas/mysql-5.1


sql/handler.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
This commit is contained in:
unknown
2005-06-07 13:42:57 +02:00
parent f9860618ff 06a948c36b
commit 0de81f007f
10 changed files with 433 additions and 5 deletions
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34
sql/handler.cc
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@@ -619,6 +619,27 @@ int ha_commit_trans(THD *thd, bool all)
handlerton **ht= trans->ht;
my_xid xid= thd->transaction.xid.get_my_xid();
DBUG_ENTER("ha_commit_trans");
if (thd->transaction.in_sub_stmt)
{
/*
Since we don't support nested statement transactions in 5.0,
we can't commit or rollback stmt transactions while we are inside
stored functions or triggers. So we simply do nothing now.
TODO: This should be fixed in later ( >= 5.1) releases.
*/
if (!all)
DBUG_RETURN(0);
/*
We assume that all statements which commit or rollback main transaction
are prohibited inside of stored functions or triggers. So they should
bail out with error even before ha_commit_trans() call. To be 100% safe
let us throw error in non-debug builds.
*/
DBUG_ASSERT(0);
my_error(ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG, MYF(0));
DBUG_RETURN(2);
}
#ifdef USING_TRANSACTIONS
if (trans->nht)
{
@@ -713,6 +734,19 @@ int ha_rollback_trans(THD *thd, bool all)
THD_TRANS *trans=all ? &thd->transaction.all : &thd->transaction.stmt;
bool is_real_trans=all || thd->transaction.all.nht == 0;
DBUG_ENTER("ha_rollback_trans");
if (thd->transaction.in_sub_stmt)
{
/*
If we are inside stored function or trigger we should not commit or
rollback current statement transaction. See comment in ha_commit_trans()
call for more information.
*/
if (!all)
DBUG_RETURN(0);
DBUG_ASSERT(0);
my_error(ER_COMMIT_NOT_ALLOWED_IN_SF_OR_TRG, MYF(0));
DBUG_RETURN(1);
}
#ifdef USING_TRANSACTIONS
if (trans->nht)
{