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Support ALTER TABLESPACE name SET/RESET ( tablespace_options ).

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This patch only supports seq_page_cost and random_page_cost as parameters,
but it provides the infrastructure to scalably support many more.
In particular, we may want to add support for effective_io_concurrency,
but I'm leaving that as future work for now.

Thanks to Tom Lane for design help and Alvaro Herrera for the review.
This commit is contained in:
Robert Haas
2010-01-05 21:54:00 +00:00
parent 72559b49c0
commit d86d51a958
28 changed files with 588 additions and 101 deletions
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15
src/backend/utils/cache/syscache.c vendored
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/syscache.c,v 1.123 2010/01/02 16:57:56 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/syscache.c,v 1.124 2010/01/05 21:53:59 rhaas Exp $
*
* NOTES
* These routines allow the parser/planner/executor to perform
@ -43,6 +43,7 @@
#include "catalog/pg_proc.h"
#include "catalog/pg_rewrite.h"
#include "catalog/pg_statistic.h"
#include "catalog/pg_tablespace.h"
#include "catalog/pg_ts_config.h"
#include "catalog/pg_ts_config_map.h"
#include "catalog/pg_ts_dict.h"
@ -609,6 +610,18 @@ static const struct cachedesc cacheinfo[] = {
},
1024
},
{TableSpaceRelationId, /* TABLESPACEOID */
TablespaceOidIndexId,
0,
1,
{
ObjectIdAttributeNumber,
0,
0,
0,
},
16
},
{TSConfigMapRelationId, /* TSCONFIGMAP */
TSConfigMapIndexId,
0,