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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/include/utils/memutils.h
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@ -10,7 +10,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: memutils.h,v 1.50 2002/12/16 16:22:46 tgl Exp $
* $Id: memutils.h,v 1.51 2003/05/02 20:54:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -68,9 +68,11 @@ extern DLLIMPORT MemoryContext TopMemoryContext;
extern DLLIMPORT MemoryContext ErrorContext;
extern DLLIMPORT MemoryContext PostmasterContext;
extern DLLIMPORT MemoryContext CacheMemoryContext;
extern DLLIMPORT MemoryContext QueryContext;
extern DLLIMPORT MemoryContext MessageContext;
extern DLLIMPORT MemoryContext TopTransactionContext;
extern DLLIMPORT MemoryContext TransactionCommandContext;
/* These two are transient links to contexts owned by other objects: */
extern DLLIMPORT MemoryContext QueryContext;
extern DLLIMPORT MemoryContext PortalContext;
/*