Hello,
I am upgrading a system from sqlalchemy 0.5.3 to sqlalchemy 0.7.3. I a
seeing breakage when adding an instance of sql.functions.sum( Column )
to a ColumnCollection.
Here is the add method from the 0.7.3 version:
def add(self, column):
"""Add a column to this collection.
The key attribute of the column will be used as the hash key
for this dictionary.
"""
self[column.key] = column
Clearly the column requires a .key property. In 0.5.3, the Function
class defined a key property, in 0.7.3 it no longer does. What is the
correct way to add a function to a ColumnCollection in recent
versions?
Best.
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