am Wed, dem 29.10.2008, um 13:20:59 +0200 mailte Sim Zacks folgendes:
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> Is there any way (aside from creating a new aggregate type) to sum the
> text in a text field. I would like to group on a query and concatenate
> all the values of a specific field in the result set.
Do you want to concat all rows to a string?
,----[ Column to string with delimiter, David Fetter ]
| test=*# select * from w;
| t
| --------
| test
| foo
| bar
| foobar
| (4 rows)
|
| test=*# SELECT array_to_string(ARRAY(SELECT t FROM w), ',');
| array_to_string
| ---------------------
| test,foo,bar,foobar
| (1 row)
`----
HTH, Andreas
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Andreas Kretschmer
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