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Make it possible to execute crashed CREATE/DROP commands again.

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Now indexes of pg_class and pg_type are unique indexes
and guarantee the uniqueness of correponding attributes.
heap_create() was changed to take another boolean parameter
which allows to postpone the creation of disk file.
The name of rd_nonameunlinked was changed to rd_unlinked.
It is used generally(not only for noname relations) now.
Requires initdb.
This commit is contained in:
Hiroshi Inoue
1999-11-04 08:01:09 +00:00
parent a2c834f709
commit 2e2189a568
14 changed files with 156 additions and 58 deletions
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4
src/include/utils/rel.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: rel.h,v 1.27 1999/09/29 16:06:28 wieck Exp $
* $Id: rel.h,v 1.28 1999/11/04 08:01:09 inoue Exp $
*
*-------------------------------------------------------------------------
*/
@@ -78,7 +78,7 @@ typedef struct RelationData
bool rd_myxactonly; /* rel uses the local buffer mgr */
bool rd_isnailed; /* rel is nailed in cache */
bool rd_isnoname; /* rel has no name */
bool rd_nonameunlinked; /* noname rel already unlinked */
bool rd_unlinked; /* rel already unlinked or not created yet */
Form_pg_am rd_am; /* AM tuple */
Form_pg_class rd_rel; /* RELATION tuple */
Oid rd_id; /* relation's object id */