Re: Redefining a column within a view
От | Albe Laurenz |
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Тема | Re: Redefining a column within a view |
Дата | |
Msg-id | A737B7A37273E048B164557ADEF4A58B057B6BE3@ntex2010a.host.magwien.gv.at обсуждение исходный текст |
Ответ на | Redefining a column within a view ("Schade, Jeffrey" <JSchade@iso.com>) |
Ответы |
Re: Redefining a column within a view
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Список | pgsql-general |
Jeffrey Schade wrote: > We have a table which contains a 3 byte column with datatype CHAR(3) whic= h we want to redefine within > the view as a CHAR(1) column and a CHAR(2) column. When I code the SUBSTR= function the resulting > column datatype is TEXT. I would like to see the CHAR datatype, is there = anything I can do to set the > proper datatype. The sample view is below: >=20 > CREATE OR REPLACE VIEW schema.jeff_view AS > SELECT col1 , > col2, > Substr(col3,1,1) as col3_part1, > Substr(col3,2) as col3_part2, > col4 > FROM schema.jeff_table; Try: [...] Substr(col3,1,1)::char(1) as col3_part1, Substr(col3,2)::char(2) as col3_part2, [...] Yours, Laurenz Albe
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