Re: SQL Challenge: Arbitrary Cross-tab

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От Greg Sabino Mullane
Тема Re: SQL Challenge: Arbitrary Cross-tab
Дата
Msg-id f02adbf424fb41327573d74965e3555b@biglumber.com
обсуждение исходный текст
Ответ на SQL Challenge: Arbitrary Cross-tab  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: SQL Challenge: Arbitrary Cross-tab  (Josh Berkus <josh@agliodbs.com>)
Re: SQL Challenge: Arbitrary Cross-tab  (Gaetano Mendola <mendola@bigfoot.com>)
Список pgsql-sql
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Hash: SHA1
Names shortened to spare the line lengths:
SELECT bob.cid, (SELECT tid FROM ats WHERE cid=bob.cid LIMIT 1) AS tk1, (SELECT tid FROM ats WHERE cid=bob.cid LIMIT 1
OFFSET1) AS tk2, (SELECT tid FROM ats WHERE cid=bob.cid LIMIT 1 OFFSET 2) AS tk3, (SELECT tid FROM ats WHERE
cid=bob.cidLIMIT 1 OFFSET 3) AS tk4, (SELECT tid FROM ats WHERE cid=bob.cid LIMIT 1 OFFSET 4) AS tk5, (SELECT tid FROM
atsWHERE cid=bob.cid LIMIT 1 OFFSET 5) AS tk6, (SELECT tid FROM ats WHERE cid=bob.cid LIMIT 1 OFFSET 6) AS tk7, (SELECT
tidFROM ats WHERE cid=bob.cid LIMIT 1 OFFSET 7) AS tk8,
 
FROM (SELECT DISTINCT cid FROM ats) AS bob;
- --
Greg Sabino Mullane greg@turnstep.com
PGP Key: 0x14964AC8 200408172335
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