From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Ed Loehr <ed(at)LoehrTech(dot)com> |
Cc: | dave(at)fastcrypt(dot)com, Matthew Kennedy <mkennedy(at)opushealthcare(dot)com>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
Subject: | Re: implementing query timeout |
Date: | 2002-07-10 04:05:13 |
Message-ID: | 200207100405.g6A45Db12495@candle.pha.pa.us |
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Thread: | |
Lists: | pgsql-patches |
Here is my first draft of a query timeout SET variable. It works for a
simple test:
test=> set query_timeout to '2000';
SET
test=> select * from pg_class, pg_type;
ERROR: Query was cancelled.
test=>
I still need to polish it up and do more testing. Can people comment on
the proper placement of the disable_sig_alarm(true) calls? Also, the
handling of the alarm is tricky because the deadlock timer uses the
alarm as well and the query_timeout. (I have not gotten all the cases
correct yet.)
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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