Re: [HACKERS] Re: [GENERAL] drop/rename table and transactions
Vadim Mikheev <vadim@krs.ru>
From: Vadim Mikheev <vadim@krs.ru>
To: Hiroshi Inoue <Inoue@tpf.co.jp>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, PostgreSQL Developers List <hackers@postgresql.org>
Date: 1999-12-01T10:49:47Z
Lists: pgsql-hackers
Hiroshi Inoue wrote: > > > > > > > If there's no objection,I would change UnlockRelation() to not release > > > the specified lock except AccessShareLock. > > > > Why don't remove this call from improper places? > > I would try to find all calls and understand why > > they made... > > > > I was surprized that few people really want DDL commands inside transactions. > Are there any reasons to releasing lock before end of transaction except > that long term lock for system tuples is not preferable ? > > I think that UnlockRelation() is unnecessary fundamentally. > Mine is the simplest way to achieve this. > If there's no problem,I am glad to remove UnlockRelation() calls. There are! I finally found where I used UnlockRelation() - in execUtils.c:ExecCloseIndices(). Please read comments in ExecOpenIndices() where LockRelation() is called... Vadim