| From: | markw <mark(at)dimensionaledge(dot)com> | 
|---|---|
| To: | pgsql-general(at)postgresql(dot)org | 
| Subject: | Re: Subquery for column names of tablefunc crosstab queries | 
| Date: | 2011-02-07 12:54:48 | 
| Message-ID: | 1297083288892-3374199.post@n5.nabble.com | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-general | 
Thanks Joe
I'm very much learning as I go.
I've followed your example from top to bottom - your sample code works -
however its not clear to me how to execute the generate_crosstab_sql
function to produce the results in one single step.
I've tried this:
CREATE OR REPLACE VIEW mycrosstabresults AS select * FROM (SELECT
generate_crosstab_sql('mytable',
                             'rowid',
                             'text',
                             'rowdt::date',
                             'temperature',
                             'int',
                             '1 = 1')) as crosstabresults;
 
but this simply populates the view with the string below, not the actual
crosstab results.
SELECT * FROM crosstab ('SELECT rowid,rowdt::date,temperature FROM
mytable WHERE 1 = 1 ORDER BY
1,2','VALUES($v$2003-03-01$v$),($v$2003-03-02$v$),($v$2003-03-03$v$)')
AS (rowid
text,"2003-03-01" int,"2003-03-02" int,"2003-03-03" int) 
Is it possible to incorporate and execute this string, all within my CREATE
OR REPLACE VIEW statement?
I would appreciate any help you can give.
Many thanks
-- 
View this message in context: http://postgresql.1045698.n5.nabble.com/Subquery-for-column-names-of-tablefunc-crosstab-queries-tp3351437p3374199.html
Sent from the PostgreSQL - general mailing list archive at Nabble.com.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | A B | 2011-02-07 14:00:54 | How to create index on only some of the rows | 
| Previous Message | rsmogura | 2011-02-07 11:44:36 | XML Encoding problem |