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Create a GUC parameter temp_tablespaces that allows selection of the

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tablespace(s) in which to store temp tables and temporary files.  This is a
list to allow spreading the load across multiple tablespaces (a random list
element is chosen each time a temp object is to be created).  Temp files are
not stored in per-database pgsql_tmp/ directories anymore, but per-tablespace
directories.

Jaime Casanova and Albert Cervera, with review by Bernd Helmle and Tom Lane.
This commit is contained in:
Tom Lane
2007-06-03 17:08:34 +00:00
parent 5d429f8d88
commit acfce502ba
26 changed files with 505 additions and 184 deletions
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4
src/include/storage/buffile.h
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@@ -18,7 +18,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/buffile.h,v 1.20 2007/01/05 22:19:57 momjian Exp $
* $PostgreSQL: pgsql/src/include/storage/buffile.h,v 1.21 2007/06/03 17:08:32 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -34,7 +34,7 @@ typedef struct BufFile BufFile;
* prototypes for functions in buffile.c
*/
extern BufFile *BufFileCreateTemp(bool interXact);
extern BufFile *BufFileCreateTemp(bool interXact, Oid tblspcOid);
extern void BufFileClose(BufFile *file);
extern size_t BufFileRead(BufFile *file, void *ptr, size_t size);
extern size_t BufFileWrite(BufFile *file, void *ptr, size_t size);