On Mon, May 18, 2015 at 08:38:03AM -0400, Anthony Damico wrote:
> thanks Niels! so you are saying this command should work, correct? it
> currently does not..
>
> "SELECT str_to_date( '1/1/2014' , '%m/%d/%Y' ) as date"
>
> if i am on windows, do i need to install strptime separately? i am
> currently hitting this error that (from the version tracker) seems like
> it should've been resolved?
on windows this maybe a problem indeed. strptime etc support doesn't
exist on windows.
Niels
>
> Error in .local(conn, statement, ...) :
> Unable to execute statement 'SELECT str_to_date( '1/1/2014' , '%m/%d/
> %Y' ) as date'.
> Server says '!strptime support missing'.
>
> http://permalink.gmane.org/gmane.comp.db.monetdb.scm/36127
>
>
> thank you :)
>
>
>
>
>
>
>
>
>
>
> On Mon, May 18, 2015 at 8:09 AM, Niels Nes <Niels.Nes@cwi.nl> wrote:
>
> On Mon, May 18, 2015 at 07:17:28AM -0400, Anthony Damico wrote:
> > hi, i have a VARCHAR column with dates like
> >
> > "1/1/2014"
>
> Anthony
>
> We have the following date/string conversion functions
>
> create function str_to_date(s string, format string) returns date
> external name mtime."str_to_date";
>
> create function date_to_str(d date, format string) returns
> string
> external name mtime."date_to_str";
>
> create function "convert"(s string, format string)
> returns date
> external name mtime."str_to_date";
>
> Its based on the unix strftime/strptime (so for the format
> look at those).
>
> Niels
> >
> > and also
> >
> > "12/31/2014"
> >
> > since there are no leading zeroes, the months and days are in
> different
> > positions so i cannot use something like this to CAST it into a
> date
> > type.
> >
> >
> > CAST( SUBSTRING( x , 7 , 10 ) || '-' || SUBSTRING( x , 1 , 2 ) ||
> '-' |
> > | SUBSTRING( x , 4 , 5 ) AS DATE ) AS y
> >
> >
> > could someone offer advice to convert this string field to date
> in
> > monetdb? thanks!!
>
> > _______________________________________________
> > users-list mailing list
> > users-list@monetdb.org
> > https://www.monetdb.org/mailman/listinfo/users-list
>
>
> --
> Niels Nes, Manager ITF, Centrum Wiskunde & Informatica (CWI)
> Science Park 123, 1098 XG Amsterdam, The Netherlands
> room L3.14, phone ++31 20 592-4098 sip:4098@sip.cwi.nl
> url: https://www.cwi.nl/people/niels e-mail: Niels.Nes@cwi.nl
>
> _______________________________________________
> users-list mailing list
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> https://www.monetdb.org/mailman/listinfo/users-list
>
>
>
> _______________________________________________
> users-list mailing list
> users-list@monetdb.org
> https://www.monetdb.org/mailman/listinfo/users-list
--
Niels Nes, Manager ITF, Centrum Wiskunde & Informatica (CWI)
Science Park 123, 1098 XG Amsterdam, The Netherlands
room L3.14, phone ++31 20 592-4098 sip:4098@sip.cwi.nl
url: https://www.cwi.nl/people/niels e-mail: Niels.Nes@cwi.nl
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