Re:What’s New in Python 3.7
by userbinator on Sunday September 17, 2017 @11:58AM
(#15270201)
I'm not too familiar with Python but something like that would typically be handled by passing a pointer to a data structure containing the column data, and not each column itself (or does/did it have a 255-item limit on its other data structures too...?)
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OK, but then you need to populate the data structure. You can do it with individual member assignments of course, but some quick Googling (I am not a Python expert either) suggests that the default row/object constructor for SQLAlchemy is an arg-per-field function.