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Tweak the API for per-datatype typmodin functions so that they are passed

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an array of strings rather than an array of integers, and allow any simple
constant or identifier to be used in typmods; for example
	create table foo (f1 widget(42,'23skidoo',point));
Of course the typmodin function has still got to pack this info into a
non-negative int32 for storage, but it's still a useful improvement in
flexibility, especially considering that you can do nearly anything if you
are willing to keep the info in a side table.  We can get away with this
change since we have not yet released a version providing user-definable
typmods.  Per discussion.
This commit is contained in:
Tom Lane
2007-06-15 20:56:52 +00:00
parent 839fcc9fd0
commit 23347231a5
16 changed files with 113 additions and 62 deletions
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6
src/backend/commands/typecmds.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.104 2007/05/12 00:54:59 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.105 2007/06/15 20:56:49 tgl Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@@ -1270,9 +1270,9 @@ findTypeTypmodinFunction(List *procname)
Oid procOid;
/*
* typmodin functions always take one int4[] argument and return int4.
* typmodin functions always take one cstring[] argument and return int4.
*/
argList[0] = INT4ARRAYOID;
argList[0] = CSTRINGARRAYOID;
procOid = LookupFuncName(procname, 1, argList, true);
if (!OidIsValid(procOid))