On Wed, Jan 23, 2013 at 2:10 AM, <tim.rom...@yahoo.com> wrote: > The following bug has been logged on the website: > > Bug reference: 7824 > Logged by: Tim Romano > Email address: tim.rom...@yahoo.com > PostgreSQL version: 9.2.2 > Operating system: Windows 7 x64 > Description: > > Documentation seems to indicate that only a Timestamp value is a valid > argument to the Extract function when trying to get the DOW, but a Date > also > works: > > dow > The day of the week (0 - 6; Sunday is 0) (for timestamp values only) > > The document also mentions: "(Expressions of type date will be cast to timestamp and can therefore be used as well.)"
ISTM that "for timestamp values only" means that a source of type interval or time can not b used. Other functions will also accept those additional types. I don't know if the documentation needs to make that more clear though. Thanks, Pavan -- Pavan Deolasee http://www.linkedin.com/in/pavandeolasee