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From: Justin Pryzby <[email protected]>
To: Tomas Vondra <[email protected]>
Cc: [email protected]
Subject: Re: using extended statistics to improve join estimates
Date: Sun, 21 Nov 2021 19:23:15 -0600
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>

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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