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Propagate ALTER TYPE operations to typed tables

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This adds RESTRICT/CASCADE flags to ALTER TYPE ... ADD/DROP/ALTER/
RENAME ATTRIBUTE to control whether to alter typed tables as well.
This commit is contained in:
Peter Eisentraut
2010-11-23 22:50:17 +02:00
parent fc946c39ae
commit f2a4278330
10 changed files with 258 additions and 68 deletions
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23
src/backend/parser/gram.y
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@@ -2003,41 +2003,43 @@ alter_type_cmds:
;
alter_type_cmd:
/* ALTER TYPE <name> ADD ATTRIBUTE <coldef> */
ADD_P ATTRIBUTE TableFuncElement
/* ALTER TYPE <name> ADD ATTRIBUTE <coldef> [RESTRICT|CASCADE] */
ADD_P ATTRIBUTE TableFuncElement opt_drop_behavior
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_AddColumn;
n->def = $3;
n->behavior = $4;
$$ = (Node *)n;
}
/* ALTER TYPE <name> DROP ATTRIBUTE IF EXISTS <attname> */
| DROP ATTRIBUTE IF_P EXISTS ColId
/* ALTER TYPE <name> DROP ATTRIBUTE IF EXISTS <attname> [RESTRICT|CASCADE] */
| DROP ATTRIBUTE IF_P EXISTS ColId opt_drop_behavior
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_DropColumn;
n->name = $5;
n->behavior = DROP_RESTRICT; /* currently no effect */
n->behavior = $6;
n->missing_ok = TRUE;
$$ = (Node *)n;
}
/* ALTER TYPE <name> DROP ATTRIBUTE <attname> */
/* ALTER TYPE <name> DROP ATTRIBUTE <attname> [RESTRICT|CASCADE] */
| DROP ATTRIBUTE ColId opt_drop_behavior
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_DropColumn;
n->name = $3;
n->behavior = DROP_RESTRICT; /* currently no effect */
n->behavior = $4;
n->missing_ok = FALSE;
$$ = (Node *)n;
}
/* ALTER TYPE <name> ALTER ATTRIBUTE <attname> [SET DATA] TYPE <typename> */
| ALTER ATTRIBUTE ColId opt_set_data TYPE_P Typename
/* ALTER TYPE <name> ALTER ATTRIBUTE <attname> [SET DATA] TYPE <typename> [RESTRICT|CASCADE] */
| ALTER ATTRIBUTE ColId opt_set_data TYPE_P Typename opt_drop_behavior
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_AlterColumnType;
n->name = $3;
n->def = (Node *) $6;
n->behavior = $7;
$$ = (Node *)n;
}
;
@@ -6005,13 +6007,14 @@ RenameStmt: ALTER AGGREGATE func_name aggr_args RENAME TO name
n->newname = $6;
$$ = (Node *)n;
}
| ALTER TYPE_P any_name RENAME ATTRIBUTE name TO name
| ALTER TYPE_P any_name RENAME ATTRIBUTE name TO name opt_drop_behavior
{
RenameStmt *n = makeNode(RenameStmt);
n->renameType = OBJECT_ATTRIBUTE;
n->relation = makeRangeVarFromAnyName($3, @3, yyscanner);
n->subname = $6;
n->newname = $8;
n->behavior = $9;
$$ = (Node *)n;
}
;