Re: pgsql: Fix crash in BRIN inclusion op functions, due to missing datum c

On 2020-Jan-20, Heikki Linnakangas wrote:

> That case arises at least with the range_union() function, when one of
> the arguments is an 'empty' range:
>
> CREATE TABLE brintest (n numrange);
> CREATE INDEX brinidx ON brintest USING brin (n);
> INSERT INTO brintest VALUES ('empty');
> INSERT INTO brintest VALUES (numrange(0, 2^1000::numeric));
> INSERT INTO brintest VALUES ('(-1, 0)');
>
> SELECT brin_desummarize_range('brinidx', 0);
> SELECT brin_summarize_range('brinidx', 0);

I noticed that this test increases line-wise coverage of
brin_inclusion.c by a few percentage points, so I added it.

Again, thanks

--
Álvaro Herrera https://www.2ndQuadrant.com/
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