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Fix my oversight in enabling domains-of-domains: ALTER DOMAIN ADD CONSTRAINT

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needs to check the new constraint against columns of derived domains too.

Also, make it error out if the domain to be modified is used within any
composite-type columns.  Eventually we should support that case, but it seems
a bit painful, and not suitable for a back-patch.  For the moment just let the
user know we can't do it.

Backpatch to 8.2, which is the only released version that allows nested
domains.  Possibly the other part should be back-patched further.
This commit is contained in:
Tom Lane
2007-05-11 20:17:15 +00:00
parent 3b6afdd7f9
commit d8326119c8
6 changed files with 143 additions and 23 deletions
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6
src/include/commands/tablecmds.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/tablecmds.h,v 1.32 2007/01/05 22:19:54 momjian Exp $
* $PostgreSQL: pgsql/src/include/commands/tablecmds.h,v 1.33 2007/05/11 20:17:10 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -45,6 +45,10 @@ extern void renameatt(Oid myrelid,
extern void renamerel(Oid myrelid,
const char *newrelname);
extern void find_composite_type_dependencies(Oid typeOid,
const char *origTblName,
const char *origTypeName);
extern AttrNumber *varattnos_map(TupleDesc old, TupleDesc new);
extern AttrNumber *varattnos_map_schema(TupleDesc old, List *schema);
extern void change_varattnos_of_a_node(Node *node, const AttrNumber *newattno);