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--
-- $Id$
--
-- This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
-- project.
--
-- Copyright (C) 1998-2012 OpenLink Software
--
-- This project is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; only version 2 of the License, dated June 1991.
--
-- This program is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-- General Public License for more details.
--
-- You should have received a copy of the GNU General Public License along
-- with this program; if not, write to the Free Software Foundation, Inc.,
-- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
--
--
create table _2PC.DBA.TRANSACTIONS (TRX_ID INTEGER, TRX_STATE VARCHAR)
;
create procedure _2PC.DBA._FFFF_GET_SEQ_NEXT (IN seqobj VARCHAR, IN _min INTEGER, IN _max INTEGER)
{
DECLARE id INTEGER;
id := sequence_next (seqobj);
IF ((id < _min) OR (id > _max))
{
sequence_set (seqobj, _min, 0);
return _min;
}
return sequence_next (seqobj);
}
;
create procedure
_2PC.DBA._0001_ADD_ENTRY ()
{
DECLARE _trx_id0 INTEGER;
DECLARE _trx_id INTEGER;
_trx_id0 := -1;
again:
_trx_id := _2PC.DBA._FFFF_GET_SEQ_NEXT ('_2PC/TRANSACTIONS/_ID', 1, 10000);
IF (_trx_id0 = -1)
{
_trx_id0 := _trx_id;
} ELSE IF (_trx_id0 = _trx_id)
{
signal ('TP000', sprintf ('Not enough space in system table for new entry, try to empty _2PC.DBA.TRANSACTIONS table'));
RETURN;
}
WHENEVER SQLSTATE '23000' GOTO again;
INSERT INTO _2PC.DBA.TRANSACTIONS (TRX_ID, TRX_STATE)
VALUES (_trx_id, 'STARTED');
RETURN _trx_id;
}
;
create procedure _2PC.DBA._FFFF_CHECK_TRX_ID ( IN _trx_id INTEGER)
{
FOR SELECT TRX_ID FROM _2PC.DBA.TRANSACTIONS WHERE TRX_ID=_trx_id DO
{
RETURN;
}
signal ('TP000', sprintf ('No such transaction id [%lx]', _trx_id));
}
;
create procedure _2PC.DBA._0001_TRX_SSTATE ( IN _trx_id INTEGER, IN _state VARCHAR)
{
_2PC.DBA._FFFF_CHECK_TRX_ID (_trx_id);
IF ((_state = 'COMMITTED') OR (_state = 'ROLLBACKED'))
{
DELETE FROM _2PC.DBA.TRANSACTIONS WHERE TRX_ID=_trx_id;
RETURN 0;
}
UPDATE _2PC.DBA.TRANSACTIONS SET TRX_STATE=_state WHERE TRX_ID=_trx_id;
RETURN 0;
}
;
create procedure _2PC.DBA._0001_GET_TRX_STATE (IN _trx_id INTEGER)
{
_2PC.DBA._FFFF_CHECK_TRX_ID (_trx_id);
FOR SELECT TRX_STATE FROM _2PC.DBA.TRANSACTIONS WHERE TRX_ID=_trx_id DO
{
-- See SQL_COMMIT define in sql.h
IF (TRX_STATE='COMMIT_PENDING')
RETURN 0;
-- See SQL_ROLLBACK define in sql.h
IF (TRX_STATE='ROLLBACK_PENDING')
RETURN 1;
signal ('TP000', 'VirtDTC error - unexpected state [%s]', TRX_STATE);
RETURN;
}
}
;
create procedure _2PC.DBA.virt_tp_enlist_branch (IN trx_cookie VARCHAR)
{
virt_tp_update_cli_001 (trx_cookie);
}
;
create procedure _2PC.DBA.XA_GET_ALL_XIDS_COUNT ()
{
DECLARE xid VARCHAR;
DECLARE c INTEGER;
c := 0;
get_rec_xid_beg ();
xid := get_rec_xid ();
WHILE (xid IS NOT NULL)
{
c := c + 1;
xid := get_rec_xid ();
}
get_rec_xid_end();
RETURN c;
}
;
create procedure _2PC.DBA.OLD_XA_GET_ALL_XIDS ()
{
declare xid varchar;
result_names (xid);
get_rec_xid_beg ();
xid := get_rec_xid ();
while (xid is not null)
{
result (xid);
xid := get_rec_xid ();
}
get_rec_xid_end();
return NULL;
}
;
create procedure _2PC.DBA.XA_GET_ALL_XIDS ()
{
declare xid varchar;
result_names (xid);
declare xids any;
xids := txa_get_all_trx();
if (xids is not null)
{
declare idx integer;
idx := 0;
while (idx < length (xids))
{
declare st varchar;
st := xids[idx][3]; --aref (aref (xids, idx), 3);
if (substring (st, 1, 3) = 'PRP')
{
result (txa_bin_encode (xids[idx][0])); --aref (aref (xids, idx), 3)));
}
idx := idx + 1;
}
}
return NULL;
}
;
grant execute on "_2PC.DBA._0001_ADD_ENTRY" to public
;
grant execute on "_2PC.DBA._0001_TRX_SSTATE" to public
;
grant execute on "_2PC.DBA._0001_GET_TRX_STATE" to public
;
grant execute on "DB.DBA.XA_GET_ALL_XIDS_COUNT" to public
;
grant execute on "DB.DBA.XA_GET_ALL_XIDS" to public
;
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