Re: Zedstore - compressed in-core columnar storage - Mailing list pgsql-hackers

From Taylor Vesely
Subject Re: Zedstore - compressed in-core columnar storage
Date
Msg-id CAFaX_4JZvz3pVBBEhgkmrAAq7-A0_dahPBgmAh8mYMULGoLT1g@mail.gmail.com
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In response to Re: Zedstore - compressed in-core columnar storage  (Taylor Vesely <tvesely@pivotal.io>)
Responses Re: Zedstore - compressed in-core columnar storage  (Soumyadeep Chakraborty <sochakraborty@pivotal.io>)
List pgsql-hackers
> When a zedstore table is queried using *invalid* ctid, the server
> crashes due to assertion failure. See below,
>
> postgres=# select * from t1 where ctid = '(0, 0)';
> server closed the connection unexpectedly
> This probably means the server terminated abnormally
> before or while processing the request.
> The connection to the server was lost. Attempting reset: Failed.
>
> I believe above should have either returned 0 rows or failed with some
> user friendly error.

We pushed a fix for this today. It now returns zero rows, like the
equivalent query with heap. Thanks for reporting!

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