On Mon, Aug 24, 2015 at 8:18 AM, Guo, Yun wrote:
>
>
> From: Jeff Janes
> Date: Friday, August 21, 2015 at 10:44 PM
> To: Yun
> Subject: Re: [PERFORM] query not using GIN index
>
> On Fri, Aug 21, 2015 at 6:55 PM, Guo, Yun wrote:
>
>> Hi,
>>
>> We
Hi Tom,
Thanks for you valuable input.
>Hi,
>
>On 08/22/2015 03:55 AM, Guo, Yun wrote:
>> Hi,
>>
>> We have a query on a column with GIN index, but query plan chooses not
>> using the index but do an seq scan whichi is must slower
>>
>> CREATE INDEX idx_access_grants_on_access_tokens ON access
Hi Tom,
Thanks for you valuable input. You¹re right, the plan was coming from
explain analyze SELECT "access_grants".* FROM "access_grants² WHERE
(access_tokens @> ARRAY['124e5a1f9de325fc176a7c89152ac734']) limit 1;
We tried removing "limit 1², which did give us the benefit of using index
for some
Hi,
On 08/22/2015 03:55 AM, Guo, Yun wrote:
Hi,
We have a query on a column with GIN index, but query plan chooses not
using the index but do an seq scan whichi is must slower
CREATE INDEX idx_access_grants_on_access_tokens ON access_grants USING
gin (access_tokens);
explain analyze SELECT "a
Hi,
We have a query on a column with GIN index, but query plan chooses not using
the index but do an seq scan whichi is must slower
CREATE INDEX idx_access_grants_on_access_tokens ON access_grants USING gin
(access_tokens);
explain analyze SELECT "access_grants".* FROM "access_grants" WHERE