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has_table_privilege functions from Joe Conway (with some kibitzing from

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Tom Lane).  For the moment, only the OID/name variants are provided.
I didn't force initdb, but the additions to the 'privileges' regress
test won't pass until you do one.
This commit is contained in:
Tom Lane
2001-06-14 01:09:22 +00:00
parent d7763c1f9c
commit c9499e68da
10 changed files with 850 additions and 89 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
* $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.55 2001/05/09 23:13:35 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.56 2001/06/14 01:09:22 tgl Exp $
*
* NOTES
* Eventually, the index information should go through here, too.
@ -18,6 +18,7 @@
#include "access/tupmacs.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_shadow.h"
#include "catalog/pg_statistic.h"
#include "catalog/pg_type.h"
#include "utils/array.h"
@ -25,6 +26,7 @@
#include "utils/lsyscache.h"
#include "utils/syscache.h"
/* ---------- AMOP CACHES ---------- */
/*
@ -537,7 +539,7 @@ get_relnatts(Oid relid)
*
* Returns the name of a given relation.
*
* Note: returns a palloc'd copy of the string, or NULL if no such operator.
* Note: returns a palloc'd copy of the string, or NULL if no such relation.
*/
char *
get_rel_name(Oid relid)
@ -1039,3 +1041,35 @@ free_attstatsslot(Oid atttype,
if (numbers)
pfree(numbers);
}
/* ---------- PG_SHADOW CACHE ---------- */
/*
* get_usesysid
*
* Given a user name, look up the user's sysid.
* Raises an error if no such user (rather than returning zero,
* which might possibly be a valid usesysid).
*
* Note: the type of usesysid is currently int4, but may change to Oid
* someday. It'd be reasonable to return zero on failure if we were
* using Oid ...
*/
int32
get_usesysid(const char *username)
{
int32 result;
HeapTuple userTup;
userTup = SearchSysCache(SHADOWNAME,
PointerGetDatum(username),
0, 0, 0);
if (!HeapTupleIsValid(userTup))
elog(ERROR, "user \"%s\" does not exist", username);
result = ((Form_pg_shadow) GETSTRUCT(userTup))->usesysid;
ReleaseSysCache(userTup);
return result;
}