11 lines
319 B
SQL
11 lines
319 B
SQL
CREATE TRIGGER trg_requirement_check_sf_update
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BEFORE UPDATE ON requirement
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WHEN NEW.req_type='SF'
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BEGIN
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SELECT CASE
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WHEN NEW.req_id IS NULL OR NOT EXISTS (SELECT 1 FROM special_ability WHERE id=NEW.req_id)
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THEN RAISE(ABORT,'requirement.req_id must reference special_ability.id for SF (UPDATE)')
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END;
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END;
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