/* * Copyright 2023 Bytes & Brains * * Licensed 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 H3_SRF_H #define H3_SRF_H #include typedef struct { H3Index *indices; int *distances; } hexDistanceTuple; /* helper functions to return sets from user fctx */ Datum srf_return_h3_indexes_from_user_fctx(PG_FUNCTION_ARGS); Datum srf_return_h3_index_distances_from_user_fctx(PG_FUNCTION_ARGS); /* macros to pass on fcinfo to above helpers */ #define SRF_RETURN_H3_INDEXES_FROM_USER_FCTX() \ return srf_return_h3_indexes_from_user_fctx(fcinfo) #define SRF_RETURN_H3_INDEX_DISTANCES_FROM_USER_FCTX() \ return srf_return_h3_index_distances_from_user_fctx(fcinfo) #endif /* H3_SRF_H */