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Add 'temporary file' facility to fd.c, and arrange for temp

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files to be closed automatically at transaction abort or commit, should
they still be open.  Also close any still-open stdio files allocated with
AllocateFile at abort/commit.  This should eliminate problems with leakage
of file descriptors after an error.  Also, put in some primitive buffered-IO
support so that psort.c can use virtual files without severe performance
penalties.
This commit is contained in:
Tom Lane
1999-05-09 00:52:08 +00:00
parent b0f1880a8e
commit c1167a08ca
3 changed files with 530 additions and 196 deletions
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5
src/backend/access/transam/xact.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.33 1999/03/28 20:31:59 vadim Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.34 1999/05/09 00:52:08 tgl Exp $
*
* NOTES
* Transaction aborts can now occur two ways:
@ -148,6 +148,7 @@
#include <utils/inval.h>
#include <utils/portal.h>
#include <access/transam.h>
#include <storage/fd.h>
#include <storage/proc.h>
#include <utils/mcxt.h>
#include <catalog/heap.h>
@ -920,6 +921,7 @@ CommitTransaction()
AtCommit_Cache();
AtCommit_Locks();
AtCommit_Memory();
AtEOXact_Files();
/* ----------------
* done with commit processing, set current transaction
@ -990,6 +992,7 @@ AbortTransaction()
AtAbort_Cache();
AtAbort_Locks();
AtAbort_Memory();
AtEOXact_Files();
/* ----------------
* done with abort processing, set current transaction