Harald Armin Massa schrieb:
> Joerg,
>
>> maybe this is obvious, but I don't know how to execute a query like:
>> select * from mytable where id in (1,2,3)
>> from python. The difficult part is the set in the where clause, the "in
>> (a,b,c,d, ...)"
>
>
> WHICH database are you talking about?
I am using MySQL.
>
> With Oracle, you are on your own, that is, you have to do stringmagic
> to create the SQL.
>
> With PostgreSQL and PSYCOPG2 you can use lists:
>
> cs.execute("select * from s2e where element = any (%(what)s)",
> dict(what=[1,2,3]))
>
> using PostgreSQL arrays and the "any" function.
the MySQL function "in()" seems to be what "any()" is for PostgreSQL, see
http://dev.mysql.com/doc/refman/5.0/en/func-op-summary-ref.html
http://www.postgresql.org/docs/8.2/static/functions-aggregate.html
The missing trick was to use a python list as a an argument to the
query. It is obvious now.
Thanks for the hint
Joerg
> Best wishes,
>
> Harald
>
>
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