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Cannot use argument_for on DialectKWArgs not explicitly in construct_arguments
Issue #3024
resolved
Using 0.9.4
from sqlalchemy.sql.expression import Insert
Insert.argument_for('mysql', 'foo', False)
returns
Traceback (most recent call last):
File "test.py", line 2, in <module>
Insert.argument_for('mysql', 'foo', False)
File "/usr/local/lib/python2.7/site-packages/sqlalchemy/sql/base.py", line 184, in argument_for
construct_arg_dictionary[cls][argument_name] = default
KeyError: <class 'sqlalchemy.sql.dml.Insert'>
Because mysql doesn't have Insert explicitly in it's construct_arguments we get the KeyError.
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.DialectKWArgs.argument_for
method where adding an argument for a construct not previously included for any special arguments would fail. fixes#3024→ <<cset 99ae0dc821a1>>