Planner question - Mailing list pgsql-hackers

From Tom Raney
Subject Planner question
Date
Msg-id 48C178A5.1070806@cecs.pdx.edu
Whole thread Raw
Responses Re: Planner question  (Jeff Davis <pgsql@j-davis.com>)
Re: Planner question  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Why does the planner consider both input variations of each symmetric merge join?  The README says "there is not a lot
ofdifference" between the two options.  When are there any differences?
 

-Tom Raney


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