On Jan 27, 2011, at 8:12 PM, NiL wrote:
Hi all,
I have an application replying on sqlalchemy that deals with many
recursive methods. We manipulate complex graphs.
I have tests that validates we get the expected results for each
method.
Still, many optimization might be done to the code.
What I would like is, in my test environment, evaluate the number of
queries to the database. I'm aware that the debug mode will output
every generated SQL, but I deal with a number of queries in the 100s
range ...
Is there a way to know how many SQL statement have been executed, from
the python testing code ?
you use a ConnectionProxy for this (will be the execute event in 0.7). This
example uses a timer, you'd adapt this idea to instead issue a count. You can
use threadlocal variables or similar to pull out/reset the count of statements
after an execution:
http://www.sqlalchemy.org/trac/wiki/UsageRecipes/Profiling
Regards
NiL
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