Re: [GENERAL] Re: Get the difference between two timestamp cells but in a special format in PostgreSQL

[Colin Lieberman]

Check the formatting functions documentation:
http://www.postgresql.org/docs/9.4/static/functions-formatting.html

# select to_char( now() - '2015-06-27 14:33:24'
, 'Y"years" MM"months" DD"days" HH:MI:SS"."MS' );

   to_char
-
 0years 00months 01days 06:24:59.381
(1 row)


On Fri, Jun 26, 2015 at 10:52 AM, Adrian Klaver 
wrote:

> On 06/25/2015 08:23 PM, litu16 wrote:
>
>> Hi Adrian,
>>
>> but I would like to get the time diff in this format
>>
>> 0years 0months 0days 00:00:00.000
>>
>> not only hours, minutes, seconds.
>>
>> is this possible???
>>
>
> Well age:
>
> http://www.postgresql.org/docs/9.4/interactive/functions-datetime.html
>
> does that sort of:
>
> production=# SELECT age(timestamp '2015-06-26 09:15:15', timestamp
> '2015-06-26 02:16:00');
>age
> --
>  06:59:15
> (1 row)
>
> production=# SELECT age(timestamp '2015-06-26 09:15:15', timestamp
> '2015-06-20 02:16:00');
>age
> -
>  6 days 06:59:15
> (1 row)
>
> production=# SELECT age(timestamp '2015-06-26 09:15:15', timestamp
> '2014-06-20 02:16:00');
>   age
> 
>  1 year 6 days 06:59:15
> (1 row)
>
>
>
>
>
>
>> Thanks Advanced.
>>
>>
>>
>> --
>> View this message in context:
>> http://postgresql.nabble.com/Get-the-difference-between-two-timestamp-cells-but-in-a-special-format-in-PostgreSQL-tp5855074p5855215.html
>> Sent from the PostgreSQL - general mailing list archive at Nabble.com.
>>
>>
>>
>
> --
> Adrian Klaver
> adrian.kla...@aklaver.com
>
>
>
> --
> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>

Re: [GENERAL] Get the difference between two timestamp cells but in a special format in PostgreSQL

[Colin Lieberman]

(But don't use my format string, it's very wrong!)

On Thu, Jun 25, 2015 at 3:20 PM, Colin Lieberman 
wrote:

> You may be looking for to_char:
>
> # select to_char( now() - '2015-06-25', '-MM-DD HH24:mm:ss' );
>
>to_char
> -
>  -00-00 15:00:43
> (1 row)
>
> http://www.postgresql.org/docs/9.4/static/functions-formatting.html
>
> On Wed, Jun 24, 2015 at 9:11 PM, litu16  wrote:
>
>> This is my table...
>>
>> <http://postgresql.nabble.com/file/n5855074/screenshot.jpg>
>>
>> I would like to get the time difference between 'time_type = Lap' AND
>> 'time_type = Start' in order to fill 'time_elapse'. Im almost sure that
>> this
>> code works...
>>
>> *CREATE OR REPLACE FUNCTION timediff()
>>   RETURNS trigger AS
>> $BODY$
>> DECLARE
>> t_ix real;
>>
>> BEGIN
>> IF NEW.time_type = 'Lap' THEN
>>   SELECT t.time FROM table_ebscb_spa_log04 t WHERE t.fn_name =
>> NEW.fn_name AND t.time_type = 'Start' ORDER BY t.stmtserial DESC LIMIT 1
>> INTO t_ix;
>> IF NOT FOUND THEN
>>   RAISE EXCEPTION USING MESSAGE = 'There is not any previous
>> row...';
>> ELSE
>>   NEW.time_elapse := t_ix - NEW.time;
>> END IF;
>> END IF;
>> return NEW;
>> END
>> $BODY$
>>   LANGUAGE plpgsql VOLATILE*
>>
>> But I don't know how to get the time difference between the two timestamps
>> cells in a special format: (years/months/days
>> hours:minutes:seconds:miliseconds) like this...
>>
>> *0y/0m/0d   00:00:01.001*
>>
>> Is this possible??
>> Thanks Advanced.
>>
>>
>>
>> --
>> View this message in context:
>> http://postgresql.nabble.com/Get-the-difference-between-two-timestamp-cells-but-in-a-special-format-in-PostgreSQL-tp5855074.html
>> Sent from the PostgreSQL - general mailing list archive at Nabble.com.
>>
>>
>> --
>> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
>> To make changes to your subscription:
>> http://www.postgresql.org/mailpref/pgsql-general
>>
>
>

Re: [GENERAL] Get the difference between two timestamp cells but in a special format in PostgreSQL

[Colin Lieberman]

You may be looking for to_char:

# select to_char( now() - '2015-06-25', '-MM-DD HH24:mm:ss' );

   to_char
-
 -00-00 15:00:43
(1 row)

http://www.postgresql.org/docs/9.4/static/functions-formatting.html

On Wed, Jun 24, 2015 at 9:11 PM, litu16  wrote:

> This is my table...
>
> 
>
> I would like to get the time difference between 'time_type = Lap' AND
> 'time_type = Start' in order to fill 'time_elapse'. Im almost sure that
> this
> code works...
>
> *CREATE OR REPLACE FUNCTION timediff()
>   RETURNS trigger AS
> $BODY$
> DECLARE
> t_ix real;
>
> BEGIN
> IF NEW.time_type = 'Lap' THEN
>   SELECT t.time FROM table_ebscb_spa_log04 t WHERE t.fn_name =
> NEW.fn_name AND t.time_type = 'Start' ORDER BY t.stmtserial DESC LIMIT 1
> INTO t_ix;
> IF NOT FOUND THEN
>   RAISE EXCEPTION USING MESSAGE = 'There is not any previous
> row...';
> ELSE
>   NEW.time_elapse := t_ix - NEW.time;
> END IF;
> END IF;
> return NEW;
> END
> $BODY$
>   LANGUAGE plpgsql VOLATILE*
>
> But I don't know how to get the time difference between the two timestamps
> cells in a special format: (years/months/days
> hours:minutes:seconds:miliseconds) like this...
>
> *0y/0m/0d   00:00:01.001*
>
> Is this possible??
> Thanks Advanced.
>
>
>
> --
> View this message in context:
> http://postgresql.nabble.com/Get-the-difference-between-two-timestamp-cells-but-in-a-special-format-in-PostgreSQL-tp5855074.html
> Sent from the PostgreSQL - general mailing list archive at Nabble.com.
>
>
> --
> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>