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Invent ResourceOwner mechanism as per my recent proposal, and use it to

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keep track of portal-related resources separately from transaction-related
resources.  This allows cursors to work in a somewhat sane fashion with
nested transactions.  For now, cursor behavior is non-subtransactional,
that is a cursor's state does not roll back if you abort a subtransaction
that fetched from the cursor.  We might want to change that later.
This commit is contained in:
Tom Lane
2004-07-17 03:32:14 +00:00
parent f4c069ca8f
commit fe548629c5
41 changed files with 2086 additions and 1192 deletions
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8
src/backend/tcop/postgres.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.423 2004/07/11 00:18:44 momjian Exp $
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.424 2004/07/17 03:29:00 tgl Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -2796,6 +2796,12 @@ PostgresMain(int argc, char *argv[], const char *username)
DisableCatchupInterrupt();
debug_query_string = NULL;
/*
* If there's an active portal, mark it as failed
*/
if (ActivePortal)
ActivePortal->status = PORTAL_FAILED;
/*
* Make sure we are in a valid memory context during recovery.
*