Dialects can completely affect the generation of SQL strings and the odd
pattern of FILTER (WHERE ... ) shown in your output suggests this is the
case as SQLAlchemy does not generate any such content ; there is no
"FILTER" keyword in SQLAlchemy.

On Wed, Apr 18, 2018, 11:20 AM su-sa <[email protected]> wrote:

>
> But if I am not mistaken, the from clause of the query is generated by
> SQLAlchemy and the database driver or the dialect has no influence on this
> from clause generation of SQLAlchemy.
>
> And as you can see, the wrong from clause in generated in the subquery:
>
> AS min_1 \nFROM part \nWHERE part.p_partkey = partsupp.ps_partkey AND 
> supplier.s_suppkey = partsupp.ps_suppkey AND supplier.s_nationkey = 
> nation.n_nationkey
>
>
> What should actually be generated is:
> FROM supplier, nation, part, partsupp, region
>
> --
> SQLAlchemy -
> The Python SQL Toolkit and Object Relational Mapper
>
> http://www.sqlalchemy.org/
>
> To post example code, please provide an MCVE: Minimal, Complete, and
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-- 
SQLAlchemy - 
The Python SQL Toolkit and Object Relational Mapper

http://www.sqlalchemy.org/

To post example code, please provide an MCVE: Minimal, Complete, and Verifiable 
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