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handler.cc, ha_innodb.cc:

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Fix Bug #8650 : InnoDB does not rollback SQL statement at an error
This commit is contained in:
heikki@hundin.mysql.fi
2005-04-05 17:56:40 +03:00
parent 680f7d3b66
commit a3e6b30a89
2 changed files with 43 additions and 19 deletions
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52
sql/ha_innodb.cc
View File

@@ -748,17 +748,37 @@ ha_innobase::update_thd(
}
/*************************************************************************
Registers the InnoDB transaction in MySQL, to receive commit/rollback
events. This function must be called every time InnoDB starts a
transaction internally. */
static
Registers that InnoDB takes part in an SQL statement, so that MySQL knows to
roll back the statement if the statement results in an error. This MUST be
called for every SQL statement that may be rolled back by MySQL. Calling this
several times to register the same statement is allowed, too. */
inline
void
register_trans(
/*===========*/
THD* thd) /* in: thd to use the handle */
innobase_register_stmt(
/*===================*/
THD* thd) /* in: MySQL thd (connection) object */
{
/* Register the start of the statement */
/* Register the statement */
trans_register_ha(thd, FALSE, &innobase_hton);
}
/*************************************************************************
Registers an InnoDB transaction in MySQL, so that the MySQL XA code knows
to call the InnoDB prepare and commit, or rollback for the transaction. This
MUST be called for every transaction for which the user may call commit or
rollback. Calling this several times to register the same transaction is
allowed, too.
This function also registers the current SQL statement. */
inline
void
innobase_register_trx_and_stmt(
/*===========================*/
THD* thd) /* in: MySQL thd (connection) object */
{
/* NOTE that actually innobase_register_stmt() registers also
the transaction in the AUTOCOMMIT=1 mode. */
innobase_register_stmt(thd);
if (thd->options & (OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) {
@@ -914,7 +934,7 @@ innobase_query_caching_of_table_permitted(
if (trx->active_trans == 0) {
register_trans(thd);
innobase_register_trx_and_stmt(thd);
trx->active_trans = 1;
}
@@ -1030,7 +1050,7 @@ ha_innobase::init_table_handle_for_HANDLER(void)
if (prebuilt->trx->active_trans == 0) {
register_trans(current_thd);
innobase_register_trx_and_stmt(current_thd);
prebuilt->trx->active_trans = 1;
}
@@ -1421,7 +1441,7 @@ innobase_start_trx_and_assign_read_view(
if (trx->active_trans == 0) {
register_trans(current_thd);
innobase_register_trx_and_stmt(current_thd);
trx->active_trans = 1;
}
@@ -5544,8 +5564,10 @@ ha_innobase::start_stmt(
/* Set the MySQL flag to mark that there is an active transaction */
if (trx->active_trans == 0) {
register_trans(thd);
innobase_register_trx_and_stmt(thd);
trx->active_trans = 1;
} else {
innobase_register_stmt(thd);
}
return(0);
@@ -5616,8 +5638,10 @@ ha_innobase::external_lock(
transaction */
if (trx->active_trans == 0) {
register_trans(thd);
innobase_register_trx_and_stmt(thd);
trx->active_trans = 1;
} else if (trx->n_mysql_tables_in_use == 0) {
innobase_register_stmt(thd);
}
trx->n_mysql_tables_in_use++;
@@ -5780,7 +5804,7 @@ ha_innobase::transactional_table_lock(
/* Set the MySQL flag to mark that there is an active transaction */
if (trx->active_trans == 0) {
register_trans(thd);
innobase_register_trx_and_stmt(thd);
trx->active_trans = 1;
}

6
sql/handler.cc
View File

@@ -520,14 +520,14 @@ void trans_register_ha(THD *thd, bool all, handlerton *ht_arg)
else
trans= &thd->transaction.stmt;
#ifndef DBUG_OFF
handlerton **ht=trans->ht;
while (*ht)
{
DBUG_ASSERT(*ht != ht_arg);
if (*ht == ht_arg)
DBUG_VOID_RETURN; /* already registered, return */
ht++;
}
#endif
trans->ht[trans->nht++]=ht_arg;
trans->no_2pc|=(ht_arg->prepare==0);
if (thd->transaction.xid.is_null())