这是查询的一部分：
(end_date - load_date)*tester_money/(load_date - start_date)
错误：
错误：CASE / WHEN无法将类型转换为整数LINE 115：
什么时候load_date - start_date＆gt; 28那么tester_money ......
如何使这项工作？
tester_money属于money类型，日期属于date类型。
答案 0 :(得分：0)
Think of money as a locale dependent text string. You would have to cast it back to numeric in order to do your calculation. tester_money::numeric
Check out the following link http://www.postgresql.org/docs/current/static/datatype-money.html