mocha/sql/mysql/000-functions/mocha_get_next_inst_id.sql
2023-11-26 23:31:32 -05:00

16 lines
398 B
SQL

DROP FUNCTION IF EXISTS mocha_get_next_inst_id;
CREATE FUNCTION mocha_get_next_inst_id
(
p_class_id INT
)
RETURNS INT
BEGIN
DECLARE next_inst_id INT;
SET next_inst_id = (SELECT MAX(inst_id) + 1 FROM mocha_instances WHERE tenant_id = mocha_get_current_tenant() AND class_id = p_class_id);
IF NOT next_inst_id IS NULL THEN
RETURN next_inst_id;
END IF;
RETURN 1;
END;