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

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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
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4
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.274 2006/02/26 18:36:22 neilc Exp $
* $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.275 2006/02/28 22:37:27 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -443,6 +443,8 @@ extern Datum opaque_in(PG_FUNCTION_ARGS);
extern Datum opaque_out(PG_FUNCTION_ARGS);
extern Datum anyelement_in(PG_FUNCTION_ARGS);
extern Datum anyelement_out(PG_FUNCTION_ARGS);
extern Datum shell_in(PG_FUNCTION_ARGS);
extern Datum shell_out(PG_FUNCTION_ARGS);
/* regexp.c */
extern Datum nameregexeq(PG_FUNCTION_ARGS);