Re: How to find out the weekday from a date??? - Mailing list pgsql-general

From Thomas Lockhart
Subject Re: How to find out the weekday from a date???
Date
Msg-id 3B5452D5.C408178F@fourpalms.org
Whole thread Raw
In response to How to find out the weekday from a date???  (Jose Manuel Lorenzo Lopez <jose-manuel.lorenzo-lopez@ica.conti.de>)
List pgsql-general
> I want to extract the weekday of a given 'date' type field in my table
> when selecting. How can I do this?
...
> select extract(dow from timestamp(day)), day, userid
>  from bschft_days where date_part('month', day) = '3';
...
> ERROR:  parser: parse error at or near "dow"

That seems to work on 7.1.x. Perhaps you are using an older version? In
either case, you can try putting single quotes around "dow", like

  select extract('dow' from timestamp(day)), day, userid
   from bschft_days where date_part('month', day) = '3';

hth

                      - Thomas

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