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Eliminate a few more user-visible "cache lookup failed" errors.

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Michael Paquier
This commit is contained in:
Robert Haas
2016-07-29 12:06:18 -04:00
parent 5676da2d01
commit 3153b1a52f
3 changed files with 45 additions and 10 deletions
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20
src/backend/utils/adt/ruleutils.c
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@ -2238,11 +2238,11 @@ pg_get_function_arguments(PG_FUNCTION_ARGS)
StringInfoData buf;
HeapTuple proctup;
initStringInfo(&buf);
proctup = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
if (!HeapTupleIsValid(proctup))
elog(ERROR, "cache lookup failed for function %u", funcid);
PG_RETURN_NULL();
initStringInfo(&buf);
(void) print_function_arguments(&buf, proctup, false, true);
@ -2264,11 +2264,11 @@ pg_get_function_identity_arguments(PG_FUNCTION_ARGS)
StringInfoData buf;
HeapTuple proctup;
initStringInfo(&buf);
proctup = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
if (!HeapTupleIsValid(proctup))
elog(ERROR, "cache lookup failed for function %u", funcid);
PG_RETURN_NULL();
initStringInfo(&buf);
(void) print_function_arguments(&buf, proctup, false, false);
@ -2289,11 +2289,11 @@ pg_get_function_result(PG_FUNCTION_ARGS)
StringInfoData buf;
HeapTuple proctup;
initStringInfo(&buf);
proctup = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
if (!HeapTupleIsValid(proctup))
elog(ERROR, "cache lookup failed for function %u", funcid);
PG_RETURN_NULL();
initStringInfo(&buf);
print_function_rettype(&buf, proctup);
@ -2547,7 +2547,7 @@ pg_get_function_arg_default(PG_FUNCTION_ARGS)
proctup = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
if (!HeapTupleIsValid(proctup))
elog(ERROR, "cache lookup failed for function %u", funcid);
PG_RETURN_NULL();
numargs = get_func_arg_info(proctup, &argtypes, &argnames, &argmodes);
if (nth_arg < 1 || nth_arg > numargs || !is_input_argument(nth_arg - 1, argmodes))