Question about undefinably query... - Mailing list pgsql-sql

From A. Kretschmer
Subject Question about undefinably query...
Date
Msg-id 20070410140526.GC7687@a-kretschmer.de
Whole thread Raw
Responses Re: Question about undefinably query...  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-sql
Hi all,

there was a question on #postgresql (irc-channel) from CyberDuck without
an answer. A little example:

test=*# select generate_series(1,5), generate_series(6,10) order by 1;generate_series | generate_series
-----------------+-----------------              1 |               6              2 |               7              3 |
            8              4 |               9              5 |              10
 
(5 rows)

test=*# select generate_series(1,5), generate_series(7,10) order by 1;generate_series | generate_series
-----------------+-----------------              1 |               7              1 |               8              1 |
            9              1 |              10              2 |               8              2 |               9
     2 |              10              2 |               7              3 |               9              3 |
10              3 |               7              3 |               8              4 |              10              4 |
            7              4 |               8              4 |               9              5 |               7
     5 |               8              5 |               9              5 |              10
 
(20 rows)

Why returns the first select 5 rows (i think, this is okay) and the 2nd
20 rows?

Version is a 8.1 on Debian.



Andreas
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Andreas Kretschmer
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