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Published 20 hours ago • verified publisher icon apache

DRILL-8190: Fix mongo project pushdown for queries with joins

Open vvysotskyi opened this issue 2 years ago • 1 comments

DRILL-8190: Fix mongo project pushdown for queries with joins

Description

Improved costs calculation for vertex drel to consider resulting columns number in its cost to make plans with the pushed project more preferable. Added SINGLETON to rel nodes for which execution cannot be distributed to several drillbits. Fixed deserialization of EnumerableSubScan.

Documentation

NA

Testing

Added unit test, existing tests pass.

vvysotskyi avatar Sep 18 '22 19:09 vvysotskyi

I don't have the expertise to spot any problems here so LGTM and I'll just ask some general questions here and there.

jnturton avatar Sep 22 '22 10:09 jnturton

Thanks for the explanations +1.

jnturton avatar Sep 26 '22 06:09 jnturton