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Add ALTER TABLE ENABLE/DISABLE TRIGGER commands. Change pg_dump to

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use these instead of its previous hack of changing pg_class.reltriggers.
Documentation is lacking, will add that later.
Patch by Satoshi Nagayasu, review and some extra work by Tom Lane.
This commit is contained in:
Tom Lane
2005-08-23 22:40:47 +00:00
parent d086da4bb1
commit 188c7c8ccf
9 changed files with 255 additions and 56 deletions
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52
src/backend/parser/gram.y
View File

@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.507 2005/08/01 20:31:09 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.508 2005/08/23 22:40:20 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -350,9 +350,9 @@ static void doNegateFloat(Value *v);
DATABASE DAY_P DEALLOCATE DEC DECIMAL_P DECLARE DEFAULT DEFAULTS
DEFERRABLE DEFERRED DEFINER DELETE_P DELIMITER DELIMITERS
DESC DISTINCT DO DOMAIN_P DOUBLE_P DROP
DESC DISABLE_P DISTINCT DO DOMAIN_P DOUBLE_P DROP
EACH ELSE ENCODING ENCRYPTED END_P ESCAPE EXCEPT EXCLUDING
EACH ELSE ENABLE_P ENCODING ENCRYPTED END_P ESCAPE EXCEPT EXCLUDING
EXCLUSIVE EXECUTE EXISTS EXPLAIN EXTERNAL EXTRACT
FALSE_P FETCH FIRST_P FLOAT_P FOR FORCE FOREIGN FORWARD
@@ -1415,6 +1415,50 @@ alter_table_cmd:
n->name = NULL;
$$ = (Node *)n;
}
/* ALTER TABLE <name> ENABLE TRIGGER <trig> */
| ENABLE_P TRIGGER name
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_EnableTrig;
n->name = $3;
$$ = (Node *)n;
}
/* ALTER TABLE <name> ENABLE TRIGGER ALL */
| ENABLE_P TRIGGER ALL
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_EnableTrigAll;
$$ = (Node *)n;
}
/* ALTER TABLE <name> ENABLE TRIGGER USER */
| ENABLE_P TRIGGER USER
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_EnableTrigUser;
$$ = (Node *)n;
}
/* ALTER TABLE <name> DISABLE TRIGGER <trig> */
| DISABLE_P TRIGGER name
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_DisableTrig;
n->name = $3;
$$ = (Node *)n;
}
/* ALTER TABLE <name> DISABLE TRIGGER ALL */
| DISABLE_P TRIGGER ALL
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_DisableTrigAll;
$$ = (Node *)n;
}
/* ALTER TABLE <name> DISABLE TRIGGER USER */
| DISABLE_P TRIGGER USER
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_DisableTrigUser;
$$ = (Node *)n;
}
| alter_rel_cmd
{
$$ = $1;
@@ -8067,10 +8111,12 @@ unreserved_keyword:
| DELETE_P
| DELIMITER
| DELIMITERS
| DISABLE_P
| DOMAIN_P
| DOUBLE_P
| DROP
| EACH
| ENABLE_P
| ENCODING
| ENCRYPTED
| ESCAPE

4
src/backend/parser/keywords.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/keywords.c,v 1.164 2005/07/31 17:19:18 tgl Exp $
* $PostgreSQL: pgsql/src/backend/parser/keywords.c,v 1.165 2005/08/23 22:40:27 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -117,6 +117,7 @@ static const ScanKeyword ScanKeywords[] = {
{"delimiter", DELIMITER},
{"delimiters", DELIMITERS},
{"desc", DESC},
{"disable", DISABLE_P},
{"distinct", DISTINCT},
{"do", DO},
{"domain", DOMAIN_P},
@@ -124,6 +125,7 @@ static const ScanKeyword ScanKeywords[] = {
{"drop", DROP},
{"each", EACH},
{"else", ELSE},
{"enable", ENABLE_P},
{"encoding", ENCODING},
{"encrypted", ENCRYPTED},
{"end", END_P},