48 lines
1.8 KiB
MySQL
48 lines
1.8 KiB
MySQL
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DROP VIEW IF EXISTS Balance;
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CREATE VIEW Balance AS
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SELECT Account.ID AS ID,
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IFNULL(ac.allCredits,0) AS available,
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IFNULL(hi.credit,0) AS earned,
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IFNULL(hi.debit,0) AS spent,
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IFNULL(pr.allPromises, 0) AS promised,
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IFNULL(ca.allArrears, 0) AS arrears,
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even.until AS even_until
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FROM Account
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LEFT OUTER JOIN (
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SELECT debtor, sum(difference) AS allArrears
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FROM CurrentArrears
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GROUP BY debtor
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) AS ca ON Account.ID=ca.debtor
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LEFT OUTER JOIN (
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SELECT account, sum(difference) AS allCredits
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FROM AvailableCredits
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GROUP BY account
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) AS ac ON Account.ID=ac.account
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LEFT OUTER JOIN (
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SELECT a.ID AS ID, sum(difference) AS allPromises
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FROM CurrentArrears ca
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JOIN Credit c ON ca.targetCredit = c.credId
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JOIN Account a ON a.ID = c.account
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GROUP BY a.ID
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) AS pr ON Account.ID=pr.ID
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LEFT OUTER JOIN (
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SELECT account,
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sum(credit) AS credit,
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sum(debit) AS debit
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FROM History
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GROUP BY account
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) AS hi ON Account.ID=hi.account
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LEFT OUTER JOIN (
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SELECT d.debtor AS account,
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max(d.date) AS until
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FROM Debit d
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LEFT OUTER JOIN CurrentArrears ca ON d.debtor = ca.debtor
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GROUP BY d.debtor, ca.debtor
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HAVING COUNT(
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-- Restricts the counting to the settled debts:
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CASE d.value WHEN d.paid THEN 1 ELSE NULL END
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) -- Considers that there might be no current arrears:
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AND d.date <= IFNULL( min(ca.date), '9999-99-99' )
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) AS even ON Account.ID=even.account
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;
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