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First phase of OUT-parameters project. We can now define and use SQL

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functions with OUT parameters.  The various PLs still need work, as does
pg_dump.  Rudimentary docs and regression tests included.
This commit is contained in:
Tom Lane
2005-03-31 22:46:33 +00:00
parent fb13881f42
commit 47888fe842
23 changed files with 1500 additions and 529 deletions
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38
src/backend/utils/cache/lsyscache.c vendored
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.121 2005/03/29 00:17:11 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/cache/lsyscache.c,v 1.122 2005/03/31 22:46:14 tgl Exp $
*
* NOTES
* Eventually, the index information should go through here, too.
@ -1543,42 +1543,6 @@ get_typtype(Oid typid)
return '\0';
}
/*
* get_type_func_class
*
* Given the type OID, obtain its TYPEFUNC classification.
*
* This is intended to centralize a bunch of formerly ad-hoc code for
* classifying types. The categories used here are useful for deciding
* how to handle functions returning the datatype.
*/
TypeFuncClass
get_type_func_class(Oid typid)
{
switch (get_typtype(typid))
{
case 'c':
return TYPEFUNC_COMPOSITE;
case 'b':
case 'd':
return TYPEFUNC_SCALAR;
case 'p':
if (typid == RECORDOID)
return TYPEFUNC_RECORD;
/*
* We treat VOID and CSTRING as legitimate scalar datatypes,
* mostly for the convenience of the JDBC driver (which wants
* to be able to do "SELECT * FROM foo()" for all legitimately
* user-callable functions).
*/
if (typid == VOIDOID || typid == CSTRINGOID)
return TYPEFUNC_SCALAR;
return TYPEFUNC_OTHER;
}
/* shouldn't get here, probably */
return TYPEFUNC_OTHER;
}
/*
* get_typ_typrelid
*