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Create a GUC parameter temp_tablespaces that allows selection of the

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

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.225 2007/05/18 23:19:41 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.226 2007/06/03 17:06:25 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -319,7 +319,7 @@ DefineRelation(CreateStmt *stmt, char relkind)
}
/*
* Select tablespace to use. If not specified, use default_tablespace
* Select tablespace to use. If not specified, use default tablespace
* (which may in turn default to database's default).
*/
if (stmt->tablespacename)
@ -333,17 +333,10 @@ DefineRelation(CreateStmt *stmt, char relkind)
}
else
{
tablespaceId = GetDefaultTablespace();
tablespaceId = GetDefaultTablespace(stmt->relation->istemp);
/* note InvalidOid is OK in this case */
}
/*
* Parse and validate reloptions, if any.
*/
reloptions = transformRelOptions((Datum) 0, stmt->options, true, false);
(void) heap_reloptions(relkind, reloptions, true);
/* Check permissions except when using database's default */
if (OidIsValid(tablespaceId))
{
@ -356,6 +349,13 @@ DefineRelation(CreateStmt *stmt, char relkind)
get_tablespace_name(tablespaceId));
}
/*
* Parse and validate reloptions, if any.
*/
reloptions = transformRelOptions((Datum) 0, stmt->options, true, false);
(void) heap_reloptions(relkind, reloptions, true);
/*
* Look up inheritance ancestors and generate relation schema, including
* inherited attributes.