On 2/24/2015 11:29 AM, Arup Rakshit wrote:
On Tuesday, February 24, 2015 06:13:21 PM Pavel Stehule wrote:
Hi
2015-02-24 17:02 GMT+01:00 Arup Rakshit arupraks...@rocketmail.com:
Hi,
Please look at my query :
[shreyas@rails_app_test (master)]$ rails db
psql (9.4.1)
Type help for help.
Hi,
Please look at my query :
[shreyas@rails_app_test (master)]$ rails db
psql (9.4.1)
Type help for help.
app_development=# select id, location, name from people;
id | location | name
+--+--
2 | X| foo
3 | X| foo
4 | Y| foo
(3 rows)
On Tuesday, February 24, 2015 06:14:53 PM Andreas Kretschmer wrote:
Arup Rakshit arupraks...@rocketmail.com wrote:
This *FILTER* method is available from 9.4, How can I get the same output
below 9.4 version ?
case when ...
see:
Hi
2015-02-24 17:02 GMT+01:00 Arup Rakshit arupraks...@rocketmail.com:
Hi,
Please look at my query :
[shreyas@rails_app_test (master)]$ rails db
psql (9.4.1)
Type help for help.
app_development=# select id, location, name from people;
id | location | name
+--+--
2
On Tuesday, February 24, 2015 06:13:21 PM Pavel Stehule wrote:
Hi
2015-02-24 17:02 GMT+01:00 Arup Rakshit arupraks...@rocketmail.com:
Hi,
Please look at my query :
[shreyas@rails_app_test (master)]$ rails db
psql (9.4.1)
Type help for help.
app_development=# select id,
Arup Rakshit arupraks...@rocketmail.com wrote:
This *FILTER* method is available from 9.4, How can I get the same output
below 9.4 version ?
case when ...
see:
http://www.cybertec.at/postgresql-9-4-aggregation-filters-they-do-pay-off/
Andreas
--
Really, I'm not out to destroy Microsoft.
On Tuesday, February 24, 2015 06:14:53 PM Andreas Kretschmer wrote:
Arup Rakshit arupraks...@rocketmail.com wrote:
This *FILTER* method is available from 9.4, How can I get the same output
below 9.4 version ?
case when ...
see:
I tried, but it is not giving the output exactly like *FILTER*.
app_development=# select CASE WHEN lower(location) = 'x' THEN COUNT(id)
ELSE 0 END AS X_loc, CASE WHEN lower(location) != 'x' THEN COUNT(id) ELSE 0
END AS Non_X_loc from people group by lower(location);
x_loc | non_x_loc
