database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-09 06:21:09 +03:00
Code Activity

Allow the syntax CREATE TYPE foo, with no parameters, to permit explicit

Browse Source 
creation of a shell type.  This allows a less hacky way of dealing with
the mutual dependency between a datatype and its I/O functions: make a
shell type, then make the functions, then define the datatype fully.
We should fix pg_dump to handle things this way, but this commit just deals
with the backend.

Martijn van Oosterhout, with some corrections by Tom Lane.
This commit is contained in:
Tom Lane
2006-02-28 22:37:27 +00:00
parent 7f19339cca
commit 8e68d78390
12 changed files with 220 additions and 86 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/backend/parser/gram.y
View File

@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.530 2006/02/19 00:04:27 neilc Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.531 2006/02/28 22:37:26 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -2690,6 +2690,15 @@ DefineStmt:
n->definition = $4;
$$ = (Node *)n;
}
| CREATE TYPE_P any_name
{
/* Shell type (identified by lack of definition) */
DefineStmt *n = makeNode(DefineStmt);
n->kind = OBJECT_TYPE;
n->defnames = $3;
n->definition = NIL;
$$ = (Node *)n;
}
| CREATE TYPE_P any_name AS '(' TableFuncElementList ')'
{
CompositeTypeStmt *n = makeNode(CompositeTypeStmt);