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added triggers for user balance calculation

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celso 2026-04-04 13:09:22 -03:00
parent 0f81113d65
commit 4ad165f4a7
1 changed files with 50 additions and 0 deletions
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50
sql/shard.sql
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@ -40,3 +40,53 @@ INSERT INTO ledger_statuses (status_id, name) VALUES
(2, 'ratified'), (2, 'ratified'),
(3, 'disputed'), (3, 'disputed'),
(4, 'settled'); (4, 'settled');
DELIMITER //
CREATE TRIGGER after_ledger_insert
AFTER INSERT ON ledger
FOR EACH ROW
BEGIN
IF NEW.status_id = 1 THEN
UPDATE user_balances
SET total_pending = total_pending + NEW.amount
WHERE user_id = NEW.user_id AND currency_code = NEW.currency_code;
ELSEIF NEW.status_id IN (2, 4) THEN
UPDATE user_balances
SET total_confirmed = total_confirmed + NEW.amount
WHERE user_id = NEW.user_id AND currency_code = NEW.currency_code;
END IF;
END //
CREATE TRIGGER after_ledger_update
AFTER UPDATE ON ledger
FOR EACH ROW
BEGIN
IF OLD.status_id = 1 THEN
UPDATE user_balances SET total_pending = total_pending - OLD.amount
WHERE user_id = OLD.user_id AND currency_code = OLD.currency_code;
ELSEIF OLD.status_id IN (2, 4) THEN
UPDATE user_balances SET total_confirmed = total_confirmed - OLD.amount
WHERE user_id = OLD.user_id AND currency_code = OLD.currency_code;
END IF;
IF NEW.status_id = 1 THEN
UPDATE user_balances SET total_pending = total_pending + NEW.amount
WHERE user_id = NEW.user_id AND currency_code = NEW.currency_code;
ELSEIF NEW.status_id IN (2, 4) THEN
UPDATE user_balances SET total_confirmed = total_confirmed + NEW.amount
WHERE user_id = NEW.user_id AND currency_code = NEW.currency_code;
END IF;
END //
CREATE TRIGGER after_ledger_delete
AFTER DELETE ON ledger
FOR EACH ROW
BEGIN
IF OLD.status_id = 1 THEN
UPDATE user_balances SET total_pending = total_pending - OLD.amount
WHERE user_id = OLD.user_id AND currency_code = OLD.currency_code;
ELSEIF OLD.status_id IN (2, 4) THEN
UPDATE user_balances SET total_confirmed = total_confirmed - OLD.amount
WHERE user_id = OLD.user_id AND currency_code = OLD.currency_code;
END IF;
END //
DELIMITER ;