Re: [HACKERS] Backend crash in opr_sanity regression test.

> Hi Hackers,
> 
> With the following query from the opr_sanity regression test I'm
> getting a backend crash.
> 
> SELECT p1.oid, p1.oprcode, p2.oid, p2.oprcode
> FROM pg_operator AS p1, pg_operator AS p2
> WHERE p1.oprlsortop = p2.oid AND
>     (p1.oprname != '=' OR
>      p1.oprkind != 'b' OR p2.oprkind != 'b' OR
>      p1.oprleft != p2.oprleft OR
>      p1.oprright != p2.oprright OR
>      p1.oprresult != 16 OR
>      p2.oprresult != 16 OR
>      p1.oprrsortop = 0);

I tried the query in the current development tree, and it returned zero
rows and did not crash.

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