planner: fix bug that window function do not check ignore nulls. (#11554)#11593

Merged

zz-jason merged 3 commits intopingcap:release-3.0from sre-bot:release-3.0-cfee8c09843b

Aug 5, 2019

+26

Commits on Aug 2, 2019

fix window function ignore nulls bug

lzmhhh123
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root
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add distinct and from_last check

lzmhhh123
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fix ci

lzmhhh123
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