gistfile1.py

>>> from django.db import connection
>>> connection.cursor().execute("SELECT nothing FROM non_existant_table")
Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "...lib/python2.6/site-packages/django/db/backends/util.py", line 34, in execute
    return self.cursor.execute(sql, params)
  File "...lib/python2.6/site-packages/django/db/backends/mysql/base.py", line 86, in execute
    return self.cursor.execute(query, args)
  File "...lib/python2.6/site-packages/MySQLdb/cursors.py", line 174, in execute
    self.errorhandler(self, exc, value)
  File "...lib/python2.6/site-packages/MySQLdb/connections.py", line 35, in defaulterrorhandler
    raise errorclass, errorvalue
DatabaseError: (1146, "Table 'database.non_existant_table' doesn't exist")
 
>>> def errorhandler(originalhandler):
...     def _errorhandler(cursor, errorclass, errorvalue):
...         if cursor and cursor._last_executed:
...             args = list(errorvalue.args)
...             args.append(cursor._last_executed)
...             errorvalue = errorclass(*args)
...         return originalhandler(cursor, errorclass, errorvalue)
...     return _errorhandler
... 
>>> originalhandler = connection.connection.errorhandler
>>> connection.connection.errorhandler = errorhandler(originalhandler)
>>> 
>>> connection.cursor().execute("SELECT nothing FROM non_existant_table")
Traceback (most recent call last):
  File "<input>", line 1, in <module>
  File "...lib/python2.6/site-packages/django/db/backends/util.py", line 34, in execute
    return self.cursor.execute(sql, params)
  File "...lib/python2.6/site-packages/django/db/backends/mysql/base.py", line 86, in execute
    return self.cursor.execute(query, args)
  File "...lib/python2.6/site-packages/MySQLdb/cursors.py", line 174, in execute
    self.errorhandler(self, exc, value)
  File "<input>", line 7, in _errorhandler
  File "...lib/python2.6/site-packages/MySQLdb/connections.py", line 35, in defaulterrorhandler
    raise errorclass, errorvalue
DatabaseError: (1146, "Table 'database.non_existant_table' doesn't exist", 'SELECT nothing FROM non_existant_table')