Creating a pandas dataframe that contained descriptive column names 
formerly was as easy as:

result_set = session.query(cls.column_1)
df = pandas.Dataframe(result_set)
print df.column_1

but while this works in 1.3.20, in later versions of SA such as 1.4.19,  
there is not enough column info supplied by SA to form the same symbolic 
column names. Thus, the above code would fail when attempting to access 
df.column_1 in SA 1.4.19 but not fail in SA 1.3.20.

Anyway to supply a flag to query() to provide the extra column that existed 
in older SA versions?

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