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Re: problem with sqlite3: cannot use < in a SQL query with (?)

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On 1/22/2014 9:32 PM, lgabiot wrote:
> Hello,
>
> I'm building an application using a simple sqlite3 database.
> At some point, I need to select rows (more precisely some fields in 
> rows) that have the following property: their field max_level (an INT),
> should not exceed a value stored in a variable called threshold, where 
> an int is stored (value 20000).
> (threshold needs to be set by the user, so I cannot hard code a value 
> there).
>
> My database already exist on my drive (and of course the sqlite3 
> module is imported)
>
> I do the following:
>
> >>>conn = sqlite3.connect(mydb) # open the database
> that's OK
>
> >>>cursor = conn.execute("SELECT filename, filepath  FROM files WHERE 
> max_level<(?)", threshold)
> that doesn't work (throw an exception)
>
> if I do:
> >>>cursor = conn.execute("SELECT filename, filepath  FROM files WHERE 
> max_level<20000)")
> it works...
>
> I did similar operations on UPDATE instead of SELECT, and it works there.
SO SHOW US THE UPDATE. "Similar" does not help.
> Maybe my mind is fried right now, but I can't figure out the solution...
>
> best regards.

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problem with sqlite3: cannot use < in a SQL query with (?) lgabiot <lgabiot@hotmail.com> - 2014-01-23 03:32 +0100
  Re: problem with sqlite3: cannot use < in a SQL query with (?) lgabiot <lgabiot@hotmail.com> - 2014-01-23 03:34 +0100
  Re: problem with sqlite3: cannot use < in a SQL query with (?) Chris Angelico <rosuav@gmail.com> - 2014-01-23 13:42 +1100
  Re: problem with sqlite3: cannot use < in a SQL query with (?) bob gailer <bgailer@gmail.com> - 2014-01-22 21:51 -0500
  Re: problem with sqlite3: cannot use < in a SQL query with (?) bob gailer <bgailer@gmail.com> - 2014-01-22 21:51 -0500
  Re: problem with sqlite3: cannot use < in a SQL query with (?) Tim Chase <python.list@tim.thechases.com> - 2014-01-22 21:05 -0600
    sqlite3 docbug (was problem with sqlite3) Rustom Mody <rustompmody@gmail.com> - 2014-01-22 20:33 -0800
      Re: sqlite3 docbug (was problem with sqlite3) Rustom Mody <rustompmody@gmail.com> - 2014-01-22 20:37 -0800
      Re: sqlite3 docbug (was problem with sqlite3) Chris Angelico <rosuav@gmail.com> - 2014-01-23 15:41 +1100
        Re: sqlite3 docbug (was problem with sqlite3) Rustom Mody <rustompmody@gmail.com> - 2014-01-22 21:35 -0800
          Re: sqlite3 docbug (was problem with sqlite3) Chris Angelico <rosuav@gmail.com> - 2014-01-23 16:42 +1100
            Re: sqlite3 docbug (was problem with sqlite3) lgabiot <lgabiot@hotmail.com> - 2014-01-23 08:37 +0100
              Re: sqlite3 docbug (was problem with sqlite3) Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-01-23 09:04 +0000
                Re: sqlite3 docbug (was problem with sqlite3) lgabiot <lgabiot@hotmail.com> - 2014-01-23 10:45 +0100
                Re: sqlite3 docbug (was problem with sqlite3) Rustom Mody <rustompmody@gmail.com> - 2014-01-23 02:23 -0800
                Re: sqlite3 docbug (was problem with sqlite3) lgabiot <laurent.gabiot@gmail.com> - 2014-01-23 10:45 +0100
            Re: sqlite3 docbug (was problem with sqlite3) lgabiot <laurent.gabiot@gmail.com> - 2014-01-23 08:37 +0100
          Re: sqlite3 docbug (was problem with sqlite3) Terry Reedy <tjreedy@udel.edu> - 2014-01-23 05:43 -0500
            Re: sqlite3 docbug (was problem with sqlite3) Rustom Mody <rustompmody@gmail.com> - 2014-01-23 07:00 -0800
          Re: sqlite3 docbug (was problem with sqlite3) Tim Chase <python.list@tim.thechases.com> - 2014-01-23 06:36 -0600
          Re: sqlite3 docbug (was problem with sqlite3) Terry Reedy <tjreedy@udel.edu> - 2014-01-23 20:03 -0500
        Re: sqlite3 docbug (was problem with sqlite3) Asaf Las <roegltd@gmail.com> - 2014-01-22 23:18 -0800
          Re: sqlite3 docbug (was problem with sqlite3) Chris Angelico <rosuav@gmail.com> - 2014-01-23 18:47 +1100

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