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/*
* Copyright 2022 Zacharias Knudsen
*
* 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.
*/
--| # Type casts
--@ internal
CREATE OR REPLACE FUNCTION
h3index_to_bigint(h3index) RETURNS bigint
AS 'h3' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE CAST (h3index AS bigint) WITH FUNCTION h3index_to_bigint(h3index);
COMMENT ON CAST (h3index AS bigint) IS
'Convert H3 index to bigint, which is useful when you need a decimal representation.';
--@ internal
CREATE OR REPLACE FUNCTION
bigint_to_h3index(bigint) RETURNS h3index
AS 'h3' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
CREATE CAST (bigint AS h3index) WITH FUNCTION bigint_to_h3index(bigint);
COMMENT ON CAST (h3index AS bigint) IS
'Convert bigint to H3 index.';
CREATE CAST (h3index AS point) WITH FUNCTION h3_cell_to_latlng(h3index);
COMMENT ON CAST (h3index AS point) IS
'Convert H3 index to point.';
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