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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/utils/mmgr/mcxt.c
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@@ -14,7 +14,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.39 2003/03/27 16:51:29 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/mmgr/mcxt.c,v 1.40 2003/05/02 20:54:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -43,9 +43,11 @@ MemoryContext TopMemoryContext = NULL;
MemoryContext ErrorContext = NULL;
MemoryContext PostmasterContext = NULL;
MemoryContext CacheMemoryContext = NULL;
MemoryContext QueryContext = NULL;
MemoryContext MessageContext = NULL;
MemoryContext TopTransactionContext = NULL;
MemoryContext TransactionCommandContext = NULL;
/* These two are transient links to contexts owned by other objects: */
MemoryContext QueryContext = NULL;
MemoryContext PortalContext = NULL;
/*****************************************************************************