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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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3
src/include/utils/syscache.h
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@@ -9,7 +9,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/syscache.h,v 1.77 2010/01/02 16:58:10 momjian Exp $
* $PostgreSQL: pgsql/src/include/utils/syscache.h,v 1.78 2010/01/05 21:54:00 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -71,6 +71,7 @@ enum SysCacheIdentifier
RELOID,
RULERELNAME,
STATRELATTINH,
TABLESPACEOID,
TSCONFIGMAP,
TSCONFIGNAMENSP,
TSCONFIGOID,