假設我有以下SQL語句。我想將其轉換爲扭矩標準:Apache Torque條件:如何加入子查詢
SELECT table.name, subq1.total AS 'TOTAL', subq2.total2 AS 'SECOND TOTAL'
FROM table
LEFT JOIN (
SELECT c.login, COUNT(*) AS 'total'
FROM table2 INNER JOIN table3
WHERE table3.field = 2
GROUP BY table3.login
) AS subq1 ON(subq1.login = table.login)
LEFT JOIN(...) AS subq2 ON (subq2.login = table.login)
子查詢本身並不重要。這裏唯一的問題是如何執行該LEFT JOIN。
http://www.jajakarta.org/turbine/jp/turbine/torque/criteria-howto.html – 2011-01-12 00:31:35
http://www.jajakarta.org/turbine/jp/turbine/ torque/peers-howto.html檢查這兩個鏈接了一些有用的指針。 – 2011-01-12 00:32:15