Re: crosstab help - Mailing list pgsql-sql

Thanks for the insight!
johnf
On Friday, February 24, 2012 09:48:03 AM Andreas Gaab wrote:
> As far as I know you must define the numbers (and types) of columns and
> column headers individually for each query or define some custom
> function...
>
> Andreas
>
> -----Ursprüngliche Nachricht-----
> Von: pgsql-sql-owner@postgresql.org [mailto:pgsql-sql-owner@postgresql.org]
> Im Auftrag von John Fabiani Gesendet: Freitag, 24. Februar 2012 09:39
> An: pgsql-sql@postgresql.org
> Betreff: Re: [SQL] crosstab help
>
> That worked!  However, I need the actual date to be the column heading?
> And of course the dates change depending on the date passed to the
> function: xchromasun._chromasun_totals(now()::date)
>
> So how do I get the actual dates as the column header?
> johnf
>
> On Friday, February 24, 2012 09:27:38 AM Andreas Gaab wrote:
> > Hi,
> >
> > the return type of the crosstab must be defined correctly, according
> > to the number of expected columns.
> >
> > Try following (untested):
> >
> > select * from crosstab(
> > 'select item_number::text as row_name,
> > to_char(week_of,''MM-DD-YY'')::date
> > as bucket, planned_qoh::integer as buckvalue from
> > xchromasun._chromasun_totals(now()::date)') as ct(item_number text,
> > week_of_1 date, week_of_2 date, week_of_3 date)
> >
> > Regards,
> > Andreas
> >
> >
> >
> > -----Ursprüngliche Nachricht-----
> > Von: pgsql-sql-owner@postgresql.org
> > [mailto:pgsql-sql-owner@postgresql.org]
> > Im Auftrag von John Fabiani Gesendet: Freitag, 24. Februar 2012 09:11
> > An: pgsql-sql@postgresql.org
> > Betreff: [SQL] crosstab help
> >
> > I have a simple table
> > item_number  week_of               planned_qoh
> > ------------------  ------------------       ------------------
> > 00005            2012-02-05           30
> > 00005            2012-02-12           40
> > 00005            2012-02-19           50
> >
> >
> > where
> > item_number text
> > week_of date
> > planned_qoh integer
> >
> > I have a function that returns the table as above:
> >
> > chromasun._chromasun_totals(now()::date)
> >
> > I want to see
> >
> > 00005   2012-02-05   2012-02-12    2012-02-19
> >
> >                     30                  40
> >                           50
> >
> > This is what I have tried (although, I have tired many others)
> >
> > select * from crosstab('select item_number::text as row_name,
> > to_char(week_of,''MM-DD-YY'') as bucket, planned_qoh::integer as
> > buckvalue from xchromasun._chromasun_totals(now()::date)') as
> > ct(item_number text, week_of date,  planned_qoh integer)
> >
> > I get
> > ERROR:  return and sql tuple descriptions are incompatible
> >
> > What am I doing wrong?
> >
> > Johnf
> >
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