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Fix multiple minor infelicities in aclchk.c error reports.

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pg_type_aclmask reported the wrong type's OID when complaining that
it could not find a type's typelem.  It also failed to provide a
suitable errcode when the initially given OID doesn't exist (which
is a user-facing error, since that OID can be user-specified).
pg_foreign_data_wrapper_aclmask and pg_foreign_server_aclmask likewise
lacked errcode specifications.  Trivial cosmetic adjustments too.

The wrong-type-OID problem was reported by Petru-Florin Mihancea in
bug #14186; the other issues noted by me while reading the code.
These errors all seem to be aboriginal in the respective routines, so
back-patch as necessary.

Report: <20160613163159.5798.52928@wrigleys.postgresql.org>
This commit is contained in:
Tom Lane
2016-06-13 13:53:10 -04:00
parent bca0f60de4
commit f475fe3538
1 changed files with 14 additions and 9 deletions
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23
src/backend/catalog/aclchk.c
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@@ -4095,7 +4095,8 @@ pg_foreign_data_wrapper_aclmask(Oid fdw_oid, Oid roleid,
tuple = SearchSysCache1(FOREIGNDATAWRAPPEROID, ObjectIdGetDatum(fdw_oid));
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errmsg("foreign-data wrapper with OID %u does not exist",
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("foreign-data wrapper with OID %u does not exist",
fdw_oid)));
fdwForm = (Form_pg_foreign_data_wrapper) GETSTRUCT(tuple);
@@ -4156,7 +4157,8 @@ pg_foreign_server_aclmask(Oid srv_oid, Oid roleid,
tuple = SearchSysCache1(FOREIGNSERVEROID, ObjectIdGetDatum(srv_oid));
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errmsg("foreign server with OID %u does not exist",
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("foreign server with OID %u does not exist",
srv_oid)));
srvForm = (Form_pg_foreign_server) GETSTRUCT(tuple);
@@ -4215,27 +4217,30 @@ pg_type_aclmask(Oid type_oid, Oid roleid, AclMode mask, AclMaskHow how)
tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(type_oid));
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errmsg("type with OID %u does not exist",
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("type with OID %u does not exist",
type_oid)));
typeForm = (Form_pg_type) GETSTRUCT(tuple);
/* "True" array types don't manage permissions of their own */
if (typeForm->typelem != 0 && typeForm->typlen == -1)
/*
* "True" array types don't manage permissions of their own; consult the
* element type instead.
*/
if (OidIsValid(typeForm->typelem) && typeForm->typlen == -1)
{
Oid elttype_oid = typeForm->typelem;
ReleaseSysCache(tuple);
tuple = SearchSysCache1(TYPEOID, ObjectIdGetDatum(elttype_oid));
/* this case is not a user-facing error, so elog not ereport */
if (!HeapTupleIsValid(tuple))
ereport(ERROR,
(errmsg("type with OID %u does not exist",
type_oid)));
elog(ERROR, "cache lookup failed for type %u", elttype_oid);
typeForm = (Form_pg_type) GETSTRUCT(tuple);
}
/*
* Normal case: get the type's ACL from pg_type
* Now get the type's owner and ACL from the tuple
*/
ownerId = typeForm->typowner;