25 lines
571 B
SQL
25 lines
571 B
SQL
/**
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* Checks whether a passed extension number has valid sintax
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*
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* @param v_extension The extension to check format
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* @return %TRUE if it's well formated
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**/
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USE pbx;
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DROP PROCEDURE IF EXISTS extension_is_valid;
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DELIMITER $$
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CREATE PROCEDURE extension_is_valid (v_extension VARCHAR(255))
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BEGIN
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DECLARE v_is_valid BOOLEAN;
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SET v_is_valid = v_extension IS NULL
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OR (v_extension REGEXP '^[0-9]{4}$'
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AND MOD(v_extension, 100) != 0);
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IF NOT v_is_valid
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THEN
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SIGNAL SQLSTATE '45000'
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SET MESSAGE_TEXT = 'EXTENSION_INVALID_FORMAT';
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END IF;
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END$$
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DELIMITER ;
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