On Thu, Dec 18, 2014 at 10:00 AM, Giuseppe Broccolo <
giuseppe.brocc...@2ndquadrant.it> wrote:
>
> I'm not sure about the '%' operator, but I'm sure that the GIST index will
> never be used in the
>
>   SELECT * FROM users WHERE lower(name) LIKE '%john%';
>
> query; it is used for left or right anchored search, such as 'john%' or
> '%john'.
>

The point of the gist_trgm_ops operator is specifically to overcome that
limitation.

It is pretty awesome.

Cheers,

Jeff
>
>

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