select sum(deposit_amount)
from tb_commission_ib_day
mysql查询时报异常:
attempted to return null from a method with a primitive return type
是因为查询时结果是 null, 需要给默认值
select IFNULL(sum(deposit_amount),0)
from tb_commission_ib_day
mysql查询null异常:attempted to return null from a method with a primitive return type
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