Han Fei 0d49936ef9 expression: fix a bug when checking whether two aggregation functions are same. (#1852)

2016-10-20 19:53:09 +08:00

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aggregation.go

expression: fix a bug when checking whether two aggregation functions are same. (#1852)

2016-10-20 19:53:09 +08:00

expression.go

*: support common aggregation functions elimination. (#1843)

2016-10-20 15:58:34 +08:00