2009/9/21 Barton Torbert <btorb...@fbdover.com>: > Hello, > > I am having trouble doing a rather odd data comparison. > > I have two table, each with a DateTime field. The timestamps in these fields > do not match exactly. I want to find the row in the second table that is > within a specific time period around the time period to the DateTime in the > first table.
Note that SQLite has no native DateTime type. A DateTime could be a text string, or a real Julian day. What is your data? > > I have tried various combinations of reformatting the data to do a > comparison. None of these works. In particular I had hoped that the > strftime function (converting using the '%s' format to seconds since > 1970-01-01 would work but it does not. The comparison with = is okay, but I > need to use some combination of < and > or a BETWEEN. Nothing seems to work. I can't tell what is wrong because you have provided no examples. > > Does anybody have a suggestion? (Re)read http://www.sqlite.org/lang_datefunc.html Provide more information on what you are doing... > > Bart > Regards, Simon _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
