在MySQL中更新'ZERO'DATETIME值

Question

試圖將DATETIME值爲0000-00-00 00:00:00的mysql行更新爲新日期。

UPDATE wp_posts SET post_date = FROM_UNIXTIME(UNIX_TIMESTAMP('2011-05-02')) 
and post_date_gmt = FROM_UNIXTIME(UNIX_TIMESTAMP('2011-05-02')) 
WHERE post_date = 0 LIMIT 100 

此更新0行，當有數以千計的0000-00-00 00:00:00值。

Answer 1

UPDATE wp_posts SET post_date = FROM_UNIXTIME(UNIX_TIMESTAMP('2011-05-02')), 
     post_date_gmt = FROM_UNIXTIME(UNIX_TIMESTAMP('2011-05-02')) 
     WHERE post_date ="0000-00-00 00:00:00"