#22377: SQL Logging throws an exception when fields have utf-8 characters
-------------------------------------+-------------------------------------
     Reporter:  rolanvc@…            |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  1.6
  (models, ORM)                      |               Resolution:
     Severity:  Normal               |             Triage Stage:
     Keywords:  sql logging for      |  Unreviewed
  utf-8                              |      Needs documentation:  0
    Has patch:  0                    |  Patch needs improvement:  0
  Needs tests:  0                    |                    UI/UX:  0
Easy pickings:  0                    |
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Comment (by kahnert):

 It's absolutely sure that all content in `header_vals` is correctly
 encoded, since it's read from utf-8 encoded CSV files. All content columns
 are safe-decodeded to unicode after reading. If I turn the DebugCursor
 off, all content gets into the DB and is correctly displayed when read
 from the DB.

 But you're right, I could not create a test case in which
 {{{
 from __future__ import unicode_literals

 logging.debug('(%.3f) %s; args=%s' % (duration, sql, params),
                 extra={'duration': duration, 'sql': sql, 'params': params}
             )
 }}}
 throws an error. Even if I put wrong encoded strings into the `params`
 dict.

 May it be possible that the actual DecodingError is produced by some
 logging handler or formatter?
 Does the used db connector make a difference?

--
Ticket URL: <https://code.djangoproject.com/ticket/22377#comment:5>
Django <https://code.djangoproject.com/>
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