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[release/3.1] Query: Map projection properly when joining 2 tables #20207

Merged
merged 1 commit into from
Mar 22, 2020
Merged

[release/3.1] Query: Map projection properly when joining 2 tables #20207

merged 1 commit into from
Mar 22, 2020

Commits on Mar 7, 2020

  1. Query: Map projection properly when joining 2 tables 

    When joining 2 tables in relational, we lift the table from inner select expression and copy over projections. If one of this projection is same as any outer projection then we reuse the same projection. That means the associated indexes in inner shaper will go to different indexes rather than in linear fashion.
Fix is to remember which index each projection went and use that rather than applying an offset.

Resolves #19616
    @smitpatel
    smitpatel committed Mar 7, 2020
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