Junseok Yang wrote:
> Hello hackers,
> I met SIGSEGV when using `array_position()` with record type
> arguments, so I've written a patch which corrects this problem. It
> seems that `array_position...()` sets wrong memory context for the
> cached function (in this case `record_eq()`) which is used to find a
> matching element.

Looks correct to me, so pushed to all affected branches.

> The problem is reproducable with the following query.
> SELECT array_position(ids, (1, 1))
> FROM (VALUES (ARRAY[(0, 0)]), (ARRAY[(1, 1)])) AS _(ids);

I used this as a new regression test.

Thanks for the report and patch!

Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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