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Add ALTER SYSTEM command to edit the server configuration file.

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Patch contributed by Amit Kapila. Reviewed by Hari Babu, Masao Fujii,
Boszormenyi Zoltan, Andres Freund, Greg Smith and others.
This commit is contained in:
Tatsuo Ishii
2013-12-18 23:42:44 +09:00
parent dba5a9dda9
commit 65d6e4cb5c
18 changed files with 797 additions and 95 deletions
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27
src/backend/parser/gram.y
View File

@ -216,7 +216,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
AlterEventTrigStmt
AlterDatabaseStmt AlterDatabaseSetStmt AlterDomainStmt AlterEnumStmt
AlterFdwStmt AlterForeignServerStmt AlterGroupStmt
AlterObjectSchemaStmt AlterOwnerStmt AlterSeqStmt AlterTableStmt
AlterObjectSchemaStmt AlterOwnerStmt AlterSeqStmt AlterSystemStmt AlterTableStmt
AlterExtensionStmt AlterExtensionContentsStmt AlterForeignTableStmt
AlterCompositeTypeStmt AlterUserStmt AlterUserMappingStmt AlterUserSetStmt
AlterRoleStmt AlterRoleSetStmt
@ -397,7 +397,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
%type <istmt> insert_rest
%type <vsetstmt> set_rest set_rest_more SetResetClause FunctionSetResetClause
%type <vsetstmt> generic_set set_rest set_rest_more SetResetClause FunctionSetResetClause
%type <node> TableElement TypedTableElement ConstraintElem TableFuncElement
%type <node> columnDef columnOptions
@ -724,6 +724,7 @@ stmt :
| AlterObjectSchemaStmt
| AlterOwnerStmt
| AlterSeqStmt
| AlterSystemStmt
| AlterTableStmt
| AlterCompositeTypeStmt
| AlterRoleSetStmt
@ -1333,7 +1334,7 @@ set_rest:
| set_rest_more
;
set_rest_more: /* Generic SET syntaxes: */
generic_set:
var_name TO var_list
{
VariableSetStmt *n = makeNode(VariableSetStmt);
@ -1364,6 +1365,9 @@ set_rest_more: /* Generic SET syntaxes: */
n->name = $1;
$$ = n;
}
set_rest_more: /* Generic SET syntaxes: */
generic_set {$$ = $1;}
| var_name FROM CURRENT_P
{
VariableSetStmt *n = makeNode(VariableSetStmt);
@ -8310,6 +8314,23 @@ DropdbStmt: DROP DATABASE database_name
;
/*****************************************************************************
*
* ALTER SYSTEM SET
*
* This is used to change configuration parameters persistently.
*****************************************************************************/
AlterSystemStmt:
ALTER SYSTEM_P SET generic_set
{
AlterSystemStmt *n = makeNode(AlterSystemStmt);
n->setstmt = $4;
$$ = (Node *)n;
}
;
/*****************************************************************************
*
* Manipulate a domain