postgresql将查出来的结果为null的赋值为o
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COALESCE(ssn.qty, 0) as qty,
select COALESCE(ssn.qty, 0) as qty from sun_stock_new as ssn
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COALESCE(ssn.qty, 0) as qty,
select COALESCE(ssn.qty, 0) as qty from sun_stock_new as ssn
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已为社区贡献2条内容
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