9 lines
313 B
SQL
9 lines
313 B
SQL
CREATE TRIGGER x_changedDebit
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BEFORE UPDATE OF debtor, transferCredit, value ON Debit
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WHEN EXISTS (SELECT * FROM Transfer WHERE billId=NEW.billId)
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AND NOT EXISTS (SELECT * FROM __INTERNAL_TRIGGER_STACK LIMIT 1)
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BEGIN
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SELECT RAISE(ABORT, "Debt is involved in transfers to revoke at first");
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END;
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