dqv84329 2015-07-07 14:51
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MySQL的条件重复密钥更新

I am trying to implement an update multiply rows with a single mysqli query. What i have done so far is:

 $sql="INSERT INTO history_table (image_canvas_channel, start_image_time, end_image_time) VALUES ($image_canvas_channel , $start_image_time, $end_image_time) ON DUPLICATE KEY UPDATE start_image_time = IF(image_canvas_channel = $image_canvas_channel, start_image_time = $start_image_time,) , end_image_time = IF(image_canvas_channel = $image_canvas_channel, end_image_time = $end_image_time,)";

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') , end_image_time = IF(image_canvas_channel = 152, end_image_time = 363365,)' at line 1.

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