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-rw-r--r--src/backend/utils/adt/regproc.c195
1 files changed, 54 insertions, 141 deletions
diff --git a/src/backend/utils/adt/regproc.c b/src/backend/utils/adt/regproc.c
index 14d76c856d7..3635a946330 100644
--- a/src/backend/utils/adt/regproc.c
+++ b/src/backend/utils/adt/regproc.c
@@ -118,24 +118,15 @@ Datum
to_regproc(PG_FUNCTION_ARGS)
{
char *pro_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- List *names;
- FuncCandidateList clist;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- /*
- * Parse the name into components and see if it matches any pg_proc
- * entries in the current search path.
- */
- names = stringToQualifiedNameList(pro_name, (Node *) &escontext);
- if (names == NIL)
- PG_RETURN_NULL();
-
- clist = FuncnameGetCandidates(names, -1, NIL, false, false, false, true);
-
- if (clist == NULL || clist->next != NULL)
+ if (!DirectInputFunctionCallSafe(regprocin, pro_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
-
- PG_RETURN_OID(clist->oid);
+ PG_RETURN_DATUM(result);
}
/*
@@ -287,31 +278,15 @@ Datum
to_regprocedure(PG_FUNCTION_ARGS)
{
char *pro_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- List *names;
- int nargs;
- Oid argtypes[FUNC_MAX_ARGS];
- FuncCandidateList clist;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- /*
- * Parse the name and arguments, look up potential matches in the current
- * namespace search list, and scan to see which one exactly matches the
- * given argument types. (There will not be more than one match.)
- */
- if (!parseNameAndArgTypes(pro_name, false,
- &names, &nargs, argtypes,
- (Node *) &escontext))
+ if (!DirectInputFunctionCallSafe(regprocedurein, pro_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
-
- clist = FuncnameGetCandidates(names, nargs, NIL, false, false, false, true);
-
- for (; clist; clist = clist->next)
- {
- if (memcmp(clist->args, argtypes, nargs * sizeof(Oid)) == 0)
- PG_RETURN_OID(clist->oid);
- }
-
- PG_RETURN_NULL();
+ PG_RETURN_DATUM(result);
}
/*
@@ -552,24 +527,15 @@ Datum
to_regoper(PG_FUNCTION_ARGS)
{
char *opr_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- List *names;
- FuncCandidateList clist;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- /*
- * Parse the name into components and see if it matches any pg_operator
- * entries in the current search path.
- */
- names = stringToQualifiedNameList(opr_name, (Node *) &escontext);
- if (names == NIL)
+ if (!DirectInputFunctionCallSafe(regoperin, opr_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
-
- clist = OpernameGetCandidates(names, '\0', true);
-
- if (clist == NULL || clist->next != NULL)
- PG_RETURN_NULL();
-
- PG_RETURN_OID(clist->oid);
+ PG_RETURN_DATUM(result);
}
/*
@@ -728,31 +694,15 @@ Datum
to_regoperator(PG_FUNCTION_ARGS)
{
char *opr_name_or_oid = text_to_cstring(PG_GETARG_TEXT_PP(0));
- Oid result;
- List *names;
- int nargs;
- Oid argtypes[FUNC_MAX_ARGS];
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- /*
- * Parse the name and arguments, look up potential matches in the current
- * namespace search list, and scan to see which one exactly matches the
- * given argument types. (There will not be more than one match.)
- */
- if (!parseNameAndArgTypes(opr_name_or_oid, true,
- &names, &nargs, argtypes,
- (Node *) &escontext))
- PG_RETURN_NULL();
-
- if (nargs != 2)
+ if (!DirectInputFunctionCallSafe(regoperatorin, opr_name_or_oid,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
-
- result = OpernameGetOprid(names, argtypes[0], argtypes[1]);
-
- if (!OidIsValid(result))
- PG_RETURN_NULL();
-
- PG_RETURN_OID(result);
+ PG_RETURN_DATUM(result);
}
/*
@@ -975,25 +925,15 @@ Datum
to_regclass(PG_FUNCTION_ARGS)
{
char *class_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- Oid result;
- List *names;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- /*
- * Parse the name into components and see if it matches any pg_class
- * entries in the current search path.
- */
- names = stringToQualifiedNameList(class_name, (Node *) &escontext);
- if (names == NIL)
- PG_RETURN_NULL();
-
- /* We might not even have permissions on this relation; don't lock it. */
- result = RangeVarGetRelid(makeRangeVarFromNameList(names), NoLock, true);
-
- if (OidIsValid(result))
- PG_RETURN_OID(result);
- else
+ if (!DirectInputFunctionCallSafe(regclassin, class_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
+ PG_RETURN_DATUM(result);
}
/*
@@ -1128,24 +1068,15 @@ Datum
to_regcollation(PG_FUNCTION_ARGS)
{
char *collation_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- Oid result;
- List *names;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- /*
- * Parse the name into components and see if it matches any pg_collation
- * entries in the current search path.
- */
- names = stringToQualifiedNameList(collation_name, (Node *) &escontext);
- if (names == NIL)
- PG_RETURN_NULL();
-
- result = get_collation_oid(names, true);
-
- if (OidIsValid(result))
- PG_RETURN_OID(result);
- else
+ if (!DirectInputFunctionCallSafe(regcollationin, collation_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
+ PG_RETURN_DATUM(result);
}
/*
@@ -1278,17 +1209,15 @@ Datum
to_regtype(PG_FUNCTION_ARGS)
{
char *typ_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- Oid result;
- int32 typmod;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- /*
- * Invoke the full parser to deal with special cases such as array syntax.
- */
- if (parseTypeString(typ_name, &result, &typmod, (Node *) &escontext))
- PG_RETURN_OID(result);
- else
+ if (!DirectInputFunctionCallSafe(regtypein, typ_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
+ PG_RETURN_DATUM(result);
}
/*
@@ -1634,23 +1563,15 @@ Datum
to_regrole(PG_FUNCTION_ARGS)
{
char *role_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- Oid result;
- List *names;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- names = stringToQualifiedNameList(role_name, (Node *) &escontext);
- if (names == NIL)
- PG_RETURN_NULL();
-
- if (list_length(names) != 1)
- PG_RETURN_NULL();
-
- result = get_role_oid(strVal(linitial(names)), true);
-
- if (OidIsValid(result))
- PG_RETURN_OID(result);
- else
+ if (!DirectInputFunctionCallSafe(regrolein, role_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
+ PG_RETURN_DATUM(result);
}
/*
@@ -1759,23 +1680,15 @@ Datum
to_regnamespace(PG_FUNCTION_ARGS)
{
char *nsp_name = text_to_cstring(PG_GETARG_TEXT_PP(0));
- Oid result;
- List *names;
+ Datum result;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- names = stringToQualifiedNameList(nsp_name, (Node *) &escontext);
- if (names == NIL)
- PG_RETURN_NULL();
-
- if (list_length(names) != 1)
- PG_RETURN_NULL();
-
- result = get_namespace_oid(strVal(linitial(names)), true);
-
- if (OidIsValid(result))
- PG_RETURN_OID(result);
- else
+ if (!DirectInputFunctionCallSafe(regnamespacein, nsp_name,
+ InvalidOid, -1,
+ (Node *) &escontext,
+ &result))
PG_RETURN_NULL();
+ PG_RETURN_DATUM(result);
}
/*
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-28 17:15:14 +0000