Last modified: 2010-05-15 15:42:48 UTC

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Bug 8142 - Installation Errors: MySQL5 Query Empty errors on XP/PHP5.2
Installation Errors: MySQL5 Query Empty errors on XP/PHP5.2
Product: MediaWiki
Classification: Unclassified
Installer (Other open bugs)
PC Windows XP
: High critical (vote)
: ---
Assigned To: Nobody - You can work on this!
Depends on:
  Show dependency treegraph
Reported: 2006-12-03 23:40 UTC by John Crowley
Modified: 2010-05-15 15:42 UTC (History)
0 users

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Description John Crowley 2006-12-03 23:40:13 UTC
Summary: Installation fails on WinXP/Apache2.2.2/MySQL5.0.22/PHP5.2.0-dev due to
two bugs:

1. Query Empty errors: Installation proceeds correctly to the "Creating
tables..." on config/index.php (805). The first query for creating table user
fails with a "Query was empty" error. Commenting out lines 615-619 in
Database.php removes the problem.

2. ipblocks Table Incorrect Sub Part Key Length: After commenting out the
logging function in database.php in #1 above, the installation fails again when
creating the ipblocks table. The MySQL error returned is "Incorrect sub part
key; the used key part isn't a string, the used length is longer than the key
part, or the storage engine doesn't support unique sub key.". Line 606 in
mysql5/tables.sql specifies a length of 255 for ipb_address, which is defined as
length 40 in line 568. Changing line 605 to length of 40 eliminates the error. 

Installation proceeded correctly from this point forward.
Comment 1 Brion Vibber 2007-01-15 22:35:41 UTC
Does this problem still occur with 1.9.0?
Comment 2 Brion Vibber 2007-06-27 15:49:22 UTC
No response in a long time, assuming these are working in the latest versions
with updates to the installer and table defs.

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