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/*
* 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.
*/
--
-- agtype - type coercions
--
-- agtype -> text (explicit)
CREATE FUNCTION ag_catalog.agtype_to_text(agtype)
RETURNS text
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS text)
WITH FUNCTION ag_catalog.agtype_to_text(agtype);
-- text -> agtype
CREATE FUNCTION ag_catalog.text_to_agtype(text)
RETURNS agtype
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
-- agtype -> boolean (implicit)
CREATE FUNCTION ag_catalog.agtype_to_bool(agtype)
RETURNS boolean
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS boolean)
WITH FUNCTION ag_catalog.agtype_to_bool(agtype)
AS IMPLICIT;
-- boolean -> agtype (explicit)
CREATE FUNCTION ag_catalog.bool_to_agtype(boolean)
RETURNS agtype
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (boolean AS agtype)
WITH FUNCTION ag_catalog.bool_to_agtype(boolean);
-- float8 -> agtype (explicit)
CREATE FUNCTION ag_catalog.float8_to_agtype(float8)
RETURNS agtype
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (float8 AS agtype)
WITH FUNCTION ag_catalog.float8_to_agtype(float8);
-- agtype -> float8 (explicit)
CREATE FUNCTION ag_catalog.agtype_to_float8(agtype)
RETURNS float8
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS float8)
WITH FUNCTION ag_catalog.agtype_to_float8(agtype);
-- int8 -> agtype (explicit)
CREATE FUNCTION ag_catalog.int8_to_agtype(int8)
RETURNS agtype
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (int8 AS agtype)
WITH FUNCTION ag_catalog.int8_to_agtype(int8);
-- agtype -> int8
CREATE FUNCTION ag_catalog.agtype_to_int8(variadic "any")
RETURNS bigint
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS bigint)
WITH FUNCTION ag_catalog.agtype_to_int8(variadic "any")
AS ASSIGNMENT;
-- int4 -> agtype (explicit)
CREATE FUNCTION ag_catalog.int4_to_agtype(int4)
RETURNS agtype
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (int4 AS agtype)
WITH FUNCTION ag_catalog.int4_to_agtype(int4);
-- agtype -> int4
CREATE FUNCTION ag_catalog.agtype_to_int4(variadic "any")
RETURNS int
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS int)
WITH FUNCTION ag_catalog.agtype_to_int4(variadic "any");
-- agtype -> int2
CREATE FUNCTION ag_catalog.agtype_to_int2(variadic "any")
RETURNS smallint
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS smallint)
WITH FUNCTION ag_catalog.agtype_to_int2(variadic "any");
-- agtype -> int4[]
CREATE FUNCTION ag_catalog.agtype_to_int4_array(variadic "any")
RETURNS int[]
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS int[])
WITH FUNCTION ag_catalog.agtype_to_int4_array(variadic "any");
CREATE FUNCTION ag_catalog.agtype_to_json(agtype)
RETURNS json
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype AS json)
WITH FUNCTION ag_catalog.agtype_to_json(agtype);
CREATE FUNCTION ag_catalog.agtype_array_to_agtype(agtype[])
RETURNS agtype
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';
CREATE CAST (agtype[] AS agtype)
WITH FUNCTION ag_catalog.agtype_array_to_agtype(agtype[]);
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