Re: [HACKERS] Cache query (PREPARE/EXECUTE)
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jan Wieck <wieck@debis.com>
Cc: Karel Zak - Zakkr <zakkr@zf.jcu.cz>, Hiroshi Inoue <Inoue@tpf.co.jp>, pgsql-hackers <pgsql-hackers@postgreSQL.org>
Date: 2000-02-23T23:38:29Z
Lists: pgsql-hackers
wieck@debis.com (Jan Wieck) writes: > OTOH, this new per-object-context stuff could hand down some > lifetime flag, let's say MCXT_UNTIL_STATEMENT, MCXT_UTIL_XEND > and MCXT_UNTIL_INFINITY to start from. A good thing to keep in mind, but for the short term I'm not sure we need it; the proposed new contexts are all for indefinite-lifetime caches, so there's no chance to make them go away automatically. Eventually we might have more uses for limited-lifetime contexts, though. Something else that needs to be looked at is how memory contexts are tied to "portals" presently. That mechanism probably needs to be redesigned. I have to admit I don't understand what it's for... regards, tom lane