Delete records of a certain date in sqlite?

I have a table with a column named timestamp

timestamp DATE DEFAULT (datetime('now','localtime'))

which stores records in the table like this:

2010-12-06 18:41:37

How can I delete records of a certain date? I'm using:

DELETE FROM sessions WHERE timestamp = '2010-12-06';

but开发者_如何学JAVA this is not working. am i missing something here?

thanks a lot in advance.

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DELETE FROM sessions WHERE timestamp = '2010-12-06' 

is basically selecting and deleting any records timestamped as '2010-12-06 00:00:00'

You would be better off defining a range:

DELETE FROM sessions WHERE timestamp >= '2010-12-06' AND timestamp < '2010-12-07'

will delete any sessions that fell in that range.

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Use the Date function to extract and compare just the date:

DELETE FROM sessions WHERE DATE(timestamp) = '2010-12-06'