Re: small bug in hlCover

Has any one noticed this?

-Sushant.

On Wed, 2008-07-16 at 23:01 -0400, Sushant Sinha wrote:
> I think there is a slight bug in hlCover function in wparser_def.c
>
> If there is only one query item and that is the first word in the text,
> then hlCover does not returns any cover. This is evident in this example
> when ts_headline only generates the min_words:
>
> testdb=# select ts_headline('1 2 3 4 5 6 7 8 9 10','1'::tsquery,
> 'MinWords=5');
> ts_headline
> ------------------
> <b>1</b> 2 3 4 5
> (1 row)
>
> The problem is that *q is initialized to 0 which is a legitimate value
> for a cover. So I have attached a patch that fixes it and after applying
> the patch here is the result.
>
> testdb=# select ts_headline('1 2 3 4 5 6 7 8 9 10','1'::tsquery,
> 'MinWords=5');
> ts_headline
> -----------------------------
> <b>1</b> 2 3 4 5 6 7 8 9 10
> (1 row)
>
> -Sushant.