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Combine several DROP variants into generic DropStmt

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Combine DROP of FOREIGN DATA WRAPPER, SERVER, POLICY, RULE, and TRIGGER
into generic DropStmt grammar.

Reviewed-by: Jim Nasby <Jim.Nasby@BlueTreble.com>
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
This commit is contained in:
Peter Eisentraut 2017-02-21 23:10:07 -05:00
parent 583f6c4148
commit e6477a8134
3 changed files with 35 additions and 142 deletions
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2
doc/src/sgml/ref/drop_foreign_data_wrapper.sgml
View File

@ -21,7 +21,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP FOREIGN DATA WRAPPER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [ CASCADE | RESTRICT ]
DROP FOREIGN DATA WRAPPER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>

2
doc/src/sgml/ref/drop_server.sgml
View File

@ -21,7 +21,7 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
DROP SERVER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [ CASCADE | RESTRICT ]
DROP SERVER [ IF EXISTS ] <replaceable class="parameter">name</replaceable> [, ...] [ CASCADE | RESTRICT ]
</synopsis>
</refsynopsisdiv>

173
src/backend/parser/gram.y
View File

@ -263,10 +263,10 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
CreateUserStmt CreateUserMappingStmt CreateRoleStmt CreatePolicyStmt
CreatedbStmt DeclareCursorStmt DefineStmt DeleteStmt DiscardStmt DoStmt
DropGroupStmt DropOpClassStmt DropOpFamilyStmt DropPLangStmt DropStmt
DropAssertStmt DropTrigStmt DropRuleStmt DropCastStmt DropRoleStmt
DropPolicyStmt DropUserStmt DropdbStmt DropTableSpaceStmt DropFdwStmt
DropAssertStmt DropCastStmt DropRoleStmt
DropUserStmt DropdbStmt DropTableSpaceStmt
DropTransformStmt
DropForeignServerStmt DropUserMappingStmt ExplainStmt FetchStmt
DropUserMappingStmt ExplainStmt FetchStmt
GrantStmt GrantRoleStmt ImportForeignSchemaStmt IndexStmt InsertStmt
ListenStmt LoadStmt LockStmt NotifyStmt ExplainableStmt PreparableStmt
CreateFunctionStmt AlterFunctionStmt ReindexStmt RemoveAggrStmt
@ -440,7 +440,7 @@ static Node *makeRecursiveViewSelect(char *relname, List *aliases, Node *query);
%type <boolean> copy_from opt_program
%type <ival> opt_column event cursor_options opt_hold opt_set_data
%type <objtype> drop_type_any_name drop_type_name
%type <objtype> drop_type_any_name drop_type_name drop_type_name_on_any_name
comment_type_any_name comment_type_name
security_label_type_any_name security_label_type_name
@ -885,20 +885,15 @@ stmt :
| DoStmt
| DropAssertStmt
| DropCastStmt
| DropFdwStmt
| DropForeignServerStmt
| DropGroupStmt
| DropOpClassStmt
| DropOpFamilyStmt
| DropOwnedStmt
| DropPolicyStmt
| DropPLangStmt
| DropRuleStmt
| DropStmt
| DropSubscriptionStmt
| DropTableSpaceStmt
| DropTransformStmt
| DropTrigStmt
| DropRoleStmt
| DropUserStmt
| DropUserMappingStmt
@ -4511,35 +4506,6 @@ opt_fdw_options:
| /*EMPTY*/ { $$ = NIL; }
;
/*****************************************************************************
*
* QUERY :
* DROP FOREIGN DATA WRAPPER name
*
****************************************************************************/
DropFdwStmt: DROP FOREIGN DATA_P WRAPPER name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_FDW;
n->objects = list_make1(makeString($5));
n->missing_ok = false;
n->behavior = $6;
n->concurrent = false;
$$ = (Node *) n;
}
| DROP FOREIGN DATA_P WRAPPER IF_P EXISTS name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_FDW;
n->objects = list_make1(makeString($7));
n->missing_ok = true;
n->behavior = $8;
n->concurrent = false;
$$ = (Node *) n;
}
;
/*****************************************************************************
*
* QUERY :
@ -4671,35 +4637,6 @@ opt_foreign_server_version:
| /*EMPTY*/ { $$ = NULL; }
;
/*****************************************************************************
*
* QUERY :
* DROP SERVER name
*
****************************************************************************/
DropForeignServerStmt: DROP SERVER name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_FOREIGN_SERVER;
n->objects = list_make1(makeString($3));
n->missing_ok = false;
n->behavior = $4;
n->concurrent = false;
$$ = (Node *) n;
}
| DROP SERVER IF_P EXISTS name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_FOREIGN_SERVER;
n->objects = list_make1(makeString($5));
n->missing_ok = true;
n->behavior = $6;
n->concurrent = false;
$$ = (Node *) n;
}
;
/*****************************************************************************
*
* QUERY :
@ -4975,7 +4912,6 @@ AlterUserMappingStmt: ALTER USER MAPPING FOR auth_ident SERVER name alter_generi
* [USING (qual)] [WITH CHECK (with check qual)]
* ALTER POLICY name ON table [TO role, ...]
* [USING (qual)] [WITH CHECK (with check qual)]
* DROP POLICY name ON table
*
*****************************************************************************/
@ -5010,29 +4946,6 @@ AlterPolicyStmt:
}
;
DropPolicyStmt:
DROP POLICY name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_POLICY;
n->objects = list_make1(lappend($5, makeString($3)));
n->behavior = $6;
n->missing_ok = false;
n->concurrent = false;
$$ = (Node *) n;
}
| DROP POLICY IF_P EXISTS name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_POLICY;
n->objects = list_make1(lappend($7, makeString($5)));
n->behavior = $8;
n->missing_ok = true;
n->concurrent = false;
$$ = (Node *) n;
}
;
RowSecurityOptionalExpr:
USING '(' a_expr ')' { $$ = $3; }
| /* EMPTY */ { $$ = NULL; }
@ -5105,7 +5018,6 @@ CreateAmStmt: CREATE ACCESS METHOD name TYPE_P INDEX HANDLER handler_name
*
* QUERIES :
* CREATE TRIGGER ...
* DROP TRIGGER ...
*
*****************************************************************************/
@ -5332,30 +5244,6 @@ ConstraintAttributeElem:
;
DropTrigStmt:
DROP TRIGGER name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_TRIGGER;
n->objects = list_make1(lappend($5, makeString($3)));
n->behavior = $6;
n->missing_ok = false;
n->concurrent = false;
$$ = (Node *) n;
}
| DROP TRIGGER IF_P EXISTS name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_TRIGGER;
n->objects = list_make1(lappend($7, makeString($5)));
n->behavior = $8;
n->missing_ok = true;
n->concurrent = false;
$$ = (Node *) n;
}
;
/*****************************************************************************
*
* QUERIES :
@ -6034,6 +5922,26 @@ DropStmt: DROP drop_type_any_name IF_P EXISTS any_name_list opt_drop_behavior
n->concurrent = false;
$$ = (Node *)n;
}
| DROP drop_type_name_on_any_name name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = $2;
n->objects = list_make1(lappend($5, makeString($3)));
n->behavior = $6;
n->missing_ok = false;
n->concurrent = false;
$$ = (Node *) n;
}
| DROP drop_type_name_on_any_name IF_P EXISTS name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = $2;
n->objects = list_make1(lappend($7, makeString($5)));
n->behavior = $8;
n->missing_ok = true;
n->concurrent = false;
$$ = (Node *) n;
}
| DROP TYPE_P type_name_list opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
@ -6117,8 +6025,17 @@ drop_type_name:
ACCESS METHOD { $$ = OBJECT_ACCESS_METHOD; }
| EVENT TRIGGER { $$ = OBJECT_EVENT_TRIGGER; }
| EXTENSION { $$ = OBJECT_EXTENSION; }
| FOREIGN DATA_P WRAPPER { $$ = OBJECT_FDW; }
| PUBLICATION { $$ = OBJECT_PUBLICATION; }
| SCHEMA { $$ = OBJECT_SCHEMA; }
| SERVER { $$ = OBJECT_FOREIGN_SERVER; }
;
/* object types attached to a table */
drop_type_name_on_any_name:
POLICY { $$ = OBJECT_POLICY; }
| RULE { $$ = OBJECT_RULE; }
| TRIGGER { $$ = OBJECT_TRIGGER; }
;
any_name_list:
@ -9277,30 +9194,6 @@ opt_instead:
;
DropRuleStmt:
DROP RULE name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_RULE;
n->objects = list_make1(lappend($5, makeString($3)));
n->behavior = $6;
n->missing_ok = false;
n->concurrent = false;
$$ = (Node *) n;
}
| DROP RULE IF_P EXISTS name ON any_name opt_drop_behavior
{
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_RULE;
n->objects = list_make1(lappend($7, makeString($5)));
n->behavior = $8;
n->missing_ok = true;
n->concurrent = false;
$$ = (Node *) n;
}
;
/*****************************************************************************
*
* QUERY: