hello,
I've previously defined inserts and updates by hand in my application,
which is working fine, not using SQLAlchemy at the moment.
At this point, I'd like to employ SQLAlchemy to generate these inserts and
updates for me. And that's all.
I mean: just generate the queries for me. I'm *not* going to execute via
SQLAlchemy at this point.
I did the test below:
engine = create_engine('postgresql://localhost/sample')
metadata = MetaData()
metadata.bind = engine
t = metadata.tables['company_valuation_measures']
print(str( t.update().values(trailing_pe=1.0).where(t.c.symbol
=='dummy').where(t.c.date=='dummy') ))
I obtained:
UPDATE company_valuation_measures
SET trailing_pe=%(trailing_pe)s
WHERE company_valuation_measures.symbol = %(symbol_1)s AND
company_valuation_measures.date = %(date_1)s
The trouble is: field names are 'symbol' and 'date', not 'symbol_1', not '
date_1'.
Could someone point out what I'm doing wrong?
Thanks
-- Richard
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