Horton

Infer functional dependency past RelabelType

Alvaro Herrera <alvherre@alvh.no-ip.org>

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Commit: e9ef11ac8bb2acc2d2462fc17ec3291a959589e7
Author: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: 2017-10-12T15:23:47Z
Releases: 11.0 
Infer functional dependency past RelabelType

Vars hidden within a RelabelType would not be detected as compatible
with some functional dependency.  Repair by properly ignoring the
RelabelType.

Author: David Rowley
Reviewed-by: Tomas Vondra
Discussion: https://postgr.es/m/CAKJS1f-y-UEy=rsBXynBOgiW1fKMr_LVoYSGL9QOc36mLEC-ww@mail.gmail.com

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PathChange+/−
src/backend/statistics/dependencies.c modified +8 −0

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