Re: CREATE TEMP TABLE t1 ON COMMIT AS SELECT TRUE::BOOL LIMIT
От | Bruce Momjian |
---|---|
Тема | Re: CREATE TEMP TABLE t1 ON COMMIT AS SELECT TRUE::BOOL LIMIT |
Дата | |
Msg-id | 200406090315.i593FjN25122@candle.pha.pa.us обсуждение исходный текст |
Ответ на | CREATE TEMP TABLE t1 ON COMMIT AS SELECT TRUE::BOOL LIMIT 0; (Sean Chittenden <sean@chittenden.org>) |
Список | pgsql-bugs |
Sean Chittenden wrote: > In a follow up to my post from two days ago about creating TEMP TABLES, > I noticed what I think is kind of a glaring omission: CREATE TEMP TABLE > AS doesn't support ON COMMIT. Nothing Earth shattering, but it did > catch me by surprise. There's also no ALTER TABLE statement that I can > issue to tweak a TEMP table to have it include ON COMMIT behavior after > its been created. If this isn't low hanging fruit, can someone add it > to the TODO list? -sc > > > -- This works > CREATE TEMP TABLE t1 AS SELECT TRUE::BOOL LIMIT 0; > > -- This does not > CREATE TEMP TABLE t1 ON COMMIT DROP AS SELECT TRUE::BOOL LIMIT 0; The problem is that CREATE TABLE ... AS SELECT is actually SELECT INTO internally, and SELECT doesn't have any on commit behavior. Added to TODO: * Add ON COMMIT capability to CREATE TABLE AS SELECT -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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