68 lines
1.9 KiB
MySQL
68 lines
1.9 KiB
MySQL
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--- IBAN datatype and verificator -*- sql -*-
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---
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--- Copyright © 2016 Yorick de Wid <yorick17@outlook.com>
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---
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--- This program is free software: you can redistribute it and/or modify
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--- it under the terms of the GNU General Public License as published by
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--- the Free Software Foundation, either version 2 of the License, or
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--- (at your option) any later version.
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---
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--- This program is distributed in the hope that it will be useful, but
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--- WITHOUT ANY WARRANTY; without even the implied warranty of
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--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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--- General Public License for more details.
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---
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--- You should have received a copy of the GNU General Public License
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--- along with this program. If not, see
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--- <http://www.gnu.org/licenses/>.
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CREATE TYPE iban;
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CREATE OR REPLACE FUNCTION ibanin(cstring)
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RETURNS iban
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AS 'iban'
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LANGUAGE C
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IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION ibanout(iban)
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RETURNS cstring
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AS 'iban'
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LANGUAGE C
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IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION ibanrecv(internal)
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RETURNS iban
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AS 'iban'
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LANGUAGE C
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IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION ibansend(iban)
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RETURNS bytea
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AS 'iban'
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LANGUAGE C
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IMMUTABLE STRICT;
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CREATE TYPE iban (
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LIKE = text,
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INPUT = ibanin,
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OUTPUT = ibanout,
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RECEIVE = ibanrecv,
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SEND = ibansend,
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-- make it a non-preferred member of string type category
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CATEGORY = 'S',
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PREFERRED = false
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);
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COMMENT ON TYPE iban IS 'International Bank Account Number';
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CREATE CAST (iban AS text) WITHOUT FUNCTION AS IMPLICIT;
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CREATE CAST (iban AS varchar) WITHOUT FUNCTION AS IMPLICIT;
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CREATE CAST (iban AS bpchar) WITHOUT FUNCTION AS ASSIGNMENT;
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CREATE OR REPLACE FUNCTION iban_validate(text)
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RETURNS boolean AS 'MODULE_PATHNAME'
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LANGUAGE C
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IMMUTABLE STRICT;
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COMMENT ON FUNCTION iban_validate (text)
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IS 'Validate IBAN account';
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