23 May 2008
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well, don't use DATETIME or DATE in database for time, use INT(11) UNSIGNED instead.

the benefits are:
1, u don't need care about MySQL or SQLite or others. NOW() is used by MySQL while CURRENT_TIMESTAMP is used by SQLite. that's important while u developer in MySQL and write test cases by SQLite.
2, compare. while in TT, if u want to compare topic.time with date.now, u need wrap date.now by String.Compare or convert topic.time to int. that's not so easy. and date.format can convert INT to any format u want.

I spent some hours to do the upgrade for Foorum.
and the upgrade pl is simple: create a temp column then update as UNIX_TIMESTAMP, then drop old column and rename temp column.

code is here: http://foorum.googlecode.com/svn/trunk/bin/upgrade/0.1.5/up.pl


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