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First phase of memory management rewrite (see backend/utils/mmgr/README

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for details).  It doesn't really do that much yet, since there are no
short-term memory contexts in the executor, but the infrastructure is
in place and long-term contexts are handled reasonably.  A few long-
standing bugs have been fixed, such as 'VACUUM; anything' in a single
query string crashing.  Also, out-of-memory is now considered a
recoverable ERROR, not FATAL.
Eliminate a large amount of crufty, now-dead code in and around
memory management.
Fix problem with holding off SIGTRAP, SIGSEGV, etc in postmaster and
backend startup.
This commit is contained in:
Tom Lane
2000-06-28 03:33:33 +00:00
parent b601c8d882
commit 1aebc3618a
74 changed files with 2325 additions and 3296 deletions
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7
src/include/nodes/nodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodes.h,v 1.69 2000/06/18 22:44:31 tgl Exp $
* $Id: nodes.h,v 1.70 2000/06/28 03:33:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -122,10 +122,7 @@ typedef enum NodeTag
*---------------------
*/
T_MemoryContext = 400,
T_GlobalMemory,
T_PortalMemoryContext,
T_PortalVariableMemory,
T_PortalHeapMemory,
T_AllocSetContext,
/*---------------------
* TAGS FOR VALUE NODES (pg_list.h)