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Portal and memory management infrastructure for extended query protocol.

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Both plannable queries and utility commands are now always executed
within Portals, which have been revamped so that they can handle the
load (they used to be good only for single SELECT queries).  Restructure
code to push command-completion-tag selection logic out of postgres.c,
so that it won't have to be duplicated between simple and extended queries.
initdb forced due to addition of a field to Query nodes.
This commit is contained in:
Tom Lane
2003-05-02 20:54:36 +00:00
parent 1940434f1e
commit de28dc9a04
33 changed files with 2210 additions and 1698 deletions
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8
src/backend/commands/vacuum.c
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@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.251 2003/03/04 21:51:20 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.252 2003/05/02 20:54:33 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -189,11 +189,11 @@ vacuum(VacuumStmt *vacstmt)
/*
* Create special memory context for cross-transaction storage.
*
* Since it is a child of QueryContext, it will go away eventually even
* Since it is a child of PortalContext, it will go away eventually even
* if we suffer an error; there's no need for special abort cleanup
* logic.
*/
vac_context = AllocSetContextCreate(QueryContext,
vac_context = AllocSetContextCreate(PortalContext,
"Vacuum",
ALLOCSET_DEFAULT_MINSIZE,
ALLOCSET_DEFAULT_INITSIZE,
@ -205,7 +205,7 @@ vacuum(VacuumStmt *vacstmt)
* lifetime.
*/
if (vacstmt->analyze && !vacstmt->vacuum)
anl_context = AllocSetContextCreate(QueryContext,
anl_context = AllocSetContextCreate(PortalContext,
"Analyze",
ALLOCSET_DEFAULT_MINSIZE,
ALLOCSET_DEFAULT_INITSIZE,