| /*------------------------------------------------------------------------- |
| * |
| * tablefuncapi.h |
| * Declarations for Table Function API |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef TABLEFUNCAPI_H |
| #define TABLEFUNCAPI_H |
| |
| #include "fmgr.h" |
| #include "access/tupdesc.h" |
| #include "access/htup.h" |
| |
| typedef struct AnyTableData *AnyTable; |
| |
| #define DatumGetAnyTable(d) ((AnyTable) DatumGetPointer(d)) |
| #define AnyTableGetDatum(x) PointerGetDatum(x) |
| |
| #define PG_GETARG_ANYTABLE(n) (DatumGetAnyTable(PG_GETARG_DATUM(n))) |
| |
| #define TF_SET_USERDATA(userdata) tf_set_userdata_internal(fcinfo, userdata) |
| #define TF_GET_USERDATA() tf_get_userdata_internal(fcinfo) |
| |
| extern TupleDesc AnyTable_GetTupleDesc(AnyTable); |
| extern HeapTuple AnyTable_GetNextTuple(AnyTable); |
| |
| extern void tf_set_userdata_internal(FunctionCallInfo fcinfo, bytea *userdata); |
| extern bytea *tf_get_userdata_internal(FunctionCallInfo fcinfo); |
| |
| #endif |