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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/tcop/utility.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.326 2010/01/02 16:57:53 momjian Exp $
* $PostgreSQL: pgsql/src/backend/tcop/utility.c,v 1.327 2010/01/05 21:53:58 rhaas Exp $
*
*-------------------------------------------------------------------------
*/
@ -218,6 +218,7 @@ check_xact_readonly(Node *parsetree)
case T_CreateUserMappingStmt:
case T_AlterUserMappingStmt:
case T_DropUserMappingStmt:
case T_AlterTableSpaceOptionsStmt:
ereport(ERROR,
(errcode(ERRCODE_READ_ONLY_SQL_TRANSACTION),
errmsg("transaction is read-only")));
@ -528,6 +529,10 @@ standard_ProcessUtility(Node *parsetree,
DropTableSpace((DropTableSpaceStmt *) parsetree);
break;
case T_AlterTableSpaceOptionsStmt:
AlterTableSpaceOptions((AlterTableSpaceOptionsStmt *) parsetree);
break;
case T_CreateFdwStmt:
CreateForeignDataWrapper((CreateFdwStmt *) parsetree);
break;
@ -1456,6 +1461,10 @@ CreateCommandTag(Node *parsetree)
tag = "DROP TABLESPACE";
break;
case T_AlterTableSpaceOptionsStmt:
tag = "ALTER TABLESPACE";
break;
case T_CreateFdwStmt:
tag = "CREATE FOREIGN DATA WRAPPER";
break;
@ -2238,6 +2247,10 @@ GetCommandLogLevel(Node *parsetree)
lev = LOGSTMT_DDL;
break;
case T_AlterTableSpaceOptionsStmt:
lev = LOGSTMT_DDL;
break;
case T_CreateFdwStmt:
case T_AlterFdwStmt:
case T_DropFdwStmt: