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

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into hundin.mysql.fi:/home/jan/mysql-5.0
This commit is contained in:
jan@hundin.mysql.fi 2005-02-08 14:48:25 +02:00
commit 6e6daf8189
1 changed files with 34 additions and 42 deletions
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74
sql/ha_innodb.cc
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@ -5794,8 +5794,27 @@ ha_innobase::store_lock(
unexpected if an obsolete consistent read view would be unexpected if an obsolete consistent read view would be
used. */ used. */
prebuilt->select_lock_type = LOCK_S; if (srv_locks_unsafe_for_binlog &&
prebuilt->stored_select_lock_type = LOCK_S; prebuilt->trx->isolation_level != TRX_ISO_SERIALIZABLE &&
(lock_type == TL_READ || lock_type == TL_READ_NO_INSERT) &&
thd->lex->sql_command != SQLCOM_SELECT &&
thd->lex->sql_command != SQLCOM_UPDATE_MULTI &&
thd->lex->sql_command != SQLCOM_DELETE_MULTI ) {
/* In case we have innobase_locks_unsafe_for_binlog
option set and isolation level of the transaction
is not set to serializable and MySQL is doing
INSERT INTO...SELECT without FOR UPDATE or IN
SHARE MODE we use consistent read for select.
Similarly, in case of DELETE...SELECT and
UPDATE...SELECT when these are not multi table.*/
prebuilt->select_lock_type = LOCK_NONE;
prebuilt->stored_select_lock_type = LOCK_NONE;
} else {
prebuilt->select_lock_type = LOCK_S;
prebuilt->stored_select_lock_type = LOCK_S;
}
} else if (lock_type != TL_IGNORE) { } else if (lock_type != TL_IGNORE) {
@ -6181,8 +6200,9 @@ innobase_query_is_update(void)
/*********************************************************************** /***********************************************************************
This function is used to prepare X/Open XA distributed transaction */ This function is used to prepare X/Open XA distributed transaction */
int innobase_xa_prepare( int
/*====================*/ innobase_xa_prepare(
/*================*/
/* out: 0 or error number */ /* out: 0 or error number */
THD* thd, /* in: handle to the MySQL thread of the user THD* thd, /* in: handle to the MySQL thread of the user
whose XA transaction should be prepared */ whose XA transaction should be prepared */
@ -6245,12 +6265,13 @@ int innobase_xa_prepare(
/*********************************************************************** /***********************************************************************
This function is used to recover X/Open XA distributed transactions */ This function is used to recover X/Open XA distributed transactions */
int innobase_xa_recover( int
innobase_xa_recover(
/*================*/
/* out: number of prepared transactions /* out: number of prepared transactions
stored in xid_list */ stored in xid_list */
XID* xid_list, /* in/out: prepared transactions */ XID* xid_list, /* in/out: prepared transactions */
uint len) /* in: number of slots in xid_list */ uint len) /* in: number of slots in xid_list */
/*====================*/
{ {
if (len == 0 || xid_list == NULL) { if (len == 0 || xid_list == NULL) {
return 0; return 0;
@ -6263,8 +6284,9 @@ int innobase_xa_recover(
This function is used to commit one X/Open XA distributed transaction This function is used to commit one X/Open XA distributed transaction
which is in the prepared state */ which is in the prepared state */
int innobase_commit_by_xid( int
/*=======================*/ innobase_commit_by_xid(
/*===================*/
/* out: 0 or error number */ /* out: 0 or error number */
XID* xid) /* in: X/Open XA Transaction Identification */ XID* xid) /* in: X/Open XA Transaction Identification */
{ {
@ -6285,7 +6307,9 @@ int innobase_commit_by_xid(
This function is used to rollback one X/Open XA distributed transaction This function is used to rollback one X/Open XA distributed transaction
which is in the prepared state */ which is in the prepared state */
int innobase_rollback_by_xid( int
innobase_rollback_by_xid(
/*=====================*/
/* out: 0 or error number */ /* out: 0 or error number */
XID *xid) /* in : X/Open XA Transaction Idenfification */ XID *xid) /* in : X/Open XA Transaction Idenfification */
{ {
@ -6300,36 +6324,4 @@ int innobase_rollback_by_xid(
} }
} }
/***********************************************************************
This function is used to test commit/rollback of XA transactions */
int innobase_xa_end(
/*================*/
THD* thd) /* in: MySQL thread handle of the user for whom
transactions should be recovered */
{
DBUG_ENTER("innobase_xa_end");
XID trx_list[100];
int trx_num, trx_num_max = 100;
int i;
XID xid;
while((trx_num = innobase_xa_recover(trx_list, trx_num_max))) {
for(i=0;i < trx_num; i++) {
xid = trx_list[i];
if ( i % 2) {
innobase_commit_by_xid(&xid);
} else {
innobase_rollback_by_xid(&xid);
}
}
}
free(trx_list);
DBUG_RETURN(0);
}
#endif /* HAVE_INNOBASE_DB */ #endif /* HAVE_INNOBASE_DB */