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Re: using extended statistics to improve join estimates - Mailing list pgsql-hackers

From Justin Pryzby
Subject Re: using extended statistics to improve join estimates
Date
Msg-id 20211122012315.GH17618@telsasoft.com
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In response to Re: using extended statistics to improve join estimates  (Tomas Vondra <tomas.vondra@enterprisedb.com>)
Responses Re: using extended statistics to improve join estimates
List pgsql-hackers
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Your regression tests include two errors, which appear to be accidental, and
fixing the error shows that this case is being estimated poorly.

+-- try combining with single-column (and single-expression) statistics
+DROP STATISTICS join_test_2;
+ERROR:  statistics object "join_test_2" does not exist
...
+ERROR:  statistics object "join_stats_2" already exists

-- 
Justin

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