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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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17
src/backend/nodes/copyfuncs.c
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@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.458 2010/01/02 16:57:45 momjian Exp $
* $PostgreSQL: pgsql/src/backend/nodes/copyfuncs.c,v 1.459 2010/01/05 21:53:58 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@ -3064,6 +3064,18 @@ _copyDropTableSpaceStmt(DropTableSpaceStmt *from)
return newnode;
}
static AlterTableSpaceOptionsStmt *
_copyAlterTableSpaceOptionsStmt(AlterTableSpaceOptionsStmt *from)
{
AlterTableSpaceOptionsStmt *newnode = makeNode(AlterTableSpaceOptionsStmt);
COPY_STRING_FIELD(tablespacename);
COPY_NODE_FIELD(options);
COPY_SCALAR_FIELD(isReset);
return newnode;
}
static CreateFdwStmt *
_copyCreateFdwStmt(CreateFdwStmt *from)
{
@ -4028,6 +4040,9 @@ copyObject(void *from)
case T_DropTableSpaceStmt:
retval = _copyDropTableSpaceStmt(from);
break;
case T_AlterTableSpaceOptionsStmt:
retval = _copyAlterTableSpaceOptionsStmt(from);
break;
case T_CreateFdwStmt:
retval = _copyCreateFdwStmt(from);
break;