Re: Results with leading zero
От | novice |
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Тема | Re: Results with leading zero |
Дата | |
Msg-id | ddcb1c340806152348i10ae327m867a0c9f03e40c1b@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Results with leading zero ("A. Kretschmer" <andreas.kretschmer@schollglas.com>) |
Список | pgsql-sql |
Perfect! Thank you very mcuh :) 2008/6/16 A. Kretschmer <andreas.kretschmer@schollglas.com>: > am Mon, dem 16.06.2008, um 11:48:01 +1000 mailte novice folgendes: >> I have a table >> >> CREATE TABLE problem ( >> problem_id integer, >> solution_count integer >> ); >> >> INSERT INTO problem VALUES (1001, 4); >> INSERT INTO problem VALUES (1012, 11); >> >> SELECT * from problem; >> >> problem_id | solution_count >> ------------+--------------- >> 1001 | 4 >> 1012 | 11 >> (2 rows) >> >> >> Is there a way I could write a query to produce the following? I will >> need the leading zero for solution < 10 >> >> problem_id | solution >> -------------+------------ >> 1001 | 01 >> 1001 | 02 > > My previous answer was a little bit wrong (no leading zero for solution > < 10), sorry. But no problem: > > select problem_id, to_char(generate_Series(1,solution_count),'09') as solution_count from problem ; > > > > Andreas > -- > Andreas Kretschmer > Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) > GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net > > -- > Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-sql > -- THINK BEFORE YOU PRINT - Save paper if you don't really need to print this.
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