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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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8
src/include/commands/tablespace.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/tablespace.h,v 1.21 2010/01/02 16:58:03 momjian Exp $
* $PostgreSQL: pgsql/src/include/commands/tablespace.h,v 1.22 2010/01/05 21:53:59 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@ -32,11 +32,17 @@ typedef struct xl_tblspc_drop_rec
Oid ts_id;
} xl_tblspc_drop_rec;
typedef struct TableSpaceOpts
{
float8 random_page_cost;
float8 seq_page_cost;
} TableSpaceOpts;
extern void CreateTableSpace(CreateTableSpaceStmt *stmt);
extern void DropTableSpace(DropTableSpaceStmt *stmt);
extern void RenameTableSpace(const char *oldname, const char *newname);
extern void AlterTableSpaceOwner(const char *name, Oid newOwnerId);
extern void AlterTableSpaceOptions(AlterTableSpaceOptionsStmt *stmt);
extern void TablespaceCreateDbspace(Oid spcNode, Oid dbNode, bool isRedo);