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python Programming Glossary: sqlalchemyTo make a plan for my first MySQL project http://stackoverflow.com/questions/1168701/to-make-a-plan-for-my-first-mysql-project with in a week. But here it goes. Tools for the backend SQLAlchemy This is an ORM toolkit that is plenty powerful for most smaller..
How can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application can I profile a SQLAlchemy powered application Does anyone have experience profiling a.. Does anyone have experience profiling a Python SQLAlchemy app And what are the best way to find bottlenecks and design.. Python application where the database layer is handled by SQLAlchemy. The application uses a batch design so a lot of database requests..
Why is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly? http://stackoverflow.com/questions/11769366/why-is-sqlalchemy-insert-with-sqlite-25-times-slower-than-using-sqlite3-directly is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly.. test case inserting 100 000 rows 25 times slower with SQLAlchemy than it is using the sqlite3 driver directly I have seen similar.. Am I doing something wrong # usr bin env python # Why is SQLAlchemy with SQLite so slow # Output from this program # SqlAlchemy..
Choosing a web application framework in python http://stackoverflow.com/questions/2023111/choosing-a-web-application-framework-in-python breed components so you can use say Mako for templating.. SQLAlchemy for ORM you can have your own routing component or use the built..
Does SQLAlchemy have an equivalent of Django's get_or_create? http://stackoverflow.com/questions/2546207/does-sqlalchemy-have-an-equivalent-of-djangos-get-or-create SQLAlchemy have an equivalent of Django's get_or_create I want to get.. does this. Is there an equivalent shortcut in SQLAlchemy I'm currently writing it out explicitly like this def get_or_create_instrument..
How to serialize SqlAlchemy result to JSON? http://stackoverflow.com/questions/5022066/how-to-serialize-sqlalchemy-result-to-json models returned from DB to JSON format. How to serialize SQLAlchemy query result to JSON format I tried jsonpickle.encode but it.. is not JSON serializable Is it really so hard to serialize SQLAlchemy ORM objects to JSON XML Isn't there any default serializer for.. need is just to return JSON or XML data representation of SQLAlchemy query result. SQLAlchemy objects query result in JSON XML format..
What are some good Python ORM solutions? [closed] http://stackoverflow.com/questions/53428/what-are-some-good-python-orm-solutions etc. python orm share improve this question SQLAlchemy is more full featured and powerful uses the DataMapper pattern.. pattern . I don't know about performance differences. SQLAlchemy also has a declarative layer that hides some complexity and..
How to disable SQLAlchemy caching? http://stackoverflow.com/questions/10210080/how-to-disable-sqlalchemy-caching SQLAlchemy caching I meet a cache problem when I use sqlalchemy . I use sqlalchemy insert a data into mysql database. I have.. I meet a cache problem when I use sqlalchemy . I use sqlalchemy insert a data into mysql database. I have the other application.. process this data then update this data directly. But my sqlalchemy always got old data rather than updated data.. I think sqlalchemy..
How can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application ORM functionality and the database is PostgreSQL. python sqlalchemy profiler share improve this question Sometimes just plain.. see something like this in your log 17 37 48 325 INFO sqlalchemy.engine.base.Engine.0x...048c SELECT ... 17 37 48 326 INFO sqlalchemy.engine.base.Engine.0x...048c.. SELECT ... 17 37 48 326 INFO sqlalchemy.engine.base.Engine.0x...048c params 17 37 48 660 DEBUG myapp.somemessage..
Why is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly? http://stackoverflow.com/questions/11769366/why-is-sqlalchemy-insert-with-sqlite-25-times-slower-than-using-sqlite3-directly 100000 records 0.40 secs import time import sqlite3 from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import.. sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Column Integer String create_engine from sqlalchemy.orm.. sqlalchemy import Column Integer String create_engine from sqlalchemy.orm import scoped_session sessionmaker Base declarative_base..
Does SQLAlchemy have an equivalent of Django's get_or_create? http://stackoverflow.com/questions/2546207/does-sqlalchemy-have-an-equivalent-of-djangos-get-or-create session.add instrument return instrument python django sqlalchemy share improve this question That's basically the way to..
Sqlite / SQLAlchemy: how to enforce Foreign Keys? http://stackoverflow.com/questions/2614984/sqlite-sqlalchemy-how-to-enforce-foreign-keys always gets turned on What I have tried is this engine sqlalchemy.create_engine 'sqlite memory ' echo True engine.execute 'pragma.. .exe it's using and change it python sqlite foreign keys sqlalchemy share improve this question I now have this working Download.. lib site packages pysqlite2 Next add a PoolListener from sqlalchemy.interfaces import PoolListener class ForeignKeysListener PoolListener..
How to serialize SqlAlchemy result to JSON? http://stackoverflow.com/questions/5022066/how-to-serialize-sqlalchemy-result-to-json datagird JQGrid http www.trirand.com blog python json sqlalchemy share improve this question It is not so straighforward...
jsonify a SQLAlchemy result set in Flask http://stackoverflow.com/questions/7102754/jsonify-a-sqlalchemy-result-set-in-flask method http librelist.com browser flask 2011 2 16 jsonify sqlalchemy pagination collection result #04a0754b63387f87e59dda564bde426e.. I'm getting the following error back TypeError flaskext.sqlalchemy.BaseQuery object at 0x102c2df90 is not JSON serializable What.. self.name name self.ipaddr ipaddr self.date date python sqlalchemy flask flask sqlalchemy share improve this question It seems..
Complex foreign key constraint in SQLAlchemy http://stackoverflow.com/questions/8394177/complex-foreign-key-constraint-in-sqlalchemy Is this possible python sql postgresql database design sqlalchemy share improve this question Actually you can implement that..
Why is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly? http://stackoverflow.com/questions/11769366/why-is-sqlalchemy-insert-with-sqlite-25-times-slower-than-using-sqlite3-directly with SQLite so slow # Output from this program # SqlAlchemy Total time for 100000 records 10.74 secs # sqlite3 Total time.. ' str i DBSession.add customer DBSession.commit print SqlAlchemy Total time for str n records str time.time t0 secs def init_sqlite3.. significant performance impact. Runtimes observed here are SqlAlchemy ORM Total time for 100000 records 16.4133379459 secs SqlAlchemy..
Python 'startswith' equivalent for SqlAlchemy http://stackoverflow.com/questions/13176252/python-startswith-equivalent-for-sqlalchemy 'startswith' equivalent for SqlAlchemy I have a string for which I need to find all records with matching.. 123 But not asd abc 123 456 789 kjk Is this possible with SqlAlchemy without switching over to python python sqlalchemy share..
method of iterating over sqlalchemy model's defined columns? http://stackoverflow.com/questions/2537471/method-of-iterating-over-sqlalchemy-models-defined-columns out how to iterate over the list of columns defined in a SqlAlchemy model. I want it for writing some serialization and copy methods..
Python - SqlAlchemy. How to relate tables from different modules or files? http://stackoverflow.com/questions/3357825/python-sqlalchemy-how-to-relate-tables-from-different-modules-or-files SqlAlchemy. How to relate tables from different modules or files I have..
How to serialize SqlAlchemy result to JSON? http://stackoverflow.com/questions/5022066/how-to-serialize-sqlalchemy-result-to-json to serialize SqlAlchemy result to JSON Django has some good automatic serialization.. side there is the base proxy module . Then finally the SqlAlchemy object encoder in webserver.py . It also depends on metadata..
py2exe + sqlalchemy + sqlite problem http://stackoverflow.com/questions/582449/py2exe-sqlalchemy-sqlite-problem dev mode. Here are the specifics Python 2.5.4 PyQt4 4.4.3 SqlAlchemy 0.5.2 py2exe 0.6.9 setuptools 0.6c9 pysqlite 2.5.1 setup.py..
jsonify a SQLAlchemy result set in Flask http://stackoverflow.com/questions/7102754/jsonify-a-sqlalchemy-result-set-in-flask here I have found this question How to serialize SqlAlchemy result to JSON which seems very similar however I didn't know..
Recommendation for straight-forward python frameworks http://stackoverflow.com/questions/7170/recommendation-for-straight-forward-python-frameworks Pylons Paste for HTTP Mako faster for templating SqlAlchemy more powerful for persistence Paste and Pylons are architected.. have to integrate it yourself. And if you want to use SqlAlchemy Storm SqlObject or Dejavu for databases you'll have to integrate..
memory-efficient built-in SqlAlchemy iterator/generator? http://stackoverflow.com/questions/7389759/memory-efficient-built-in-sqlalchemy-iterator-generator efficient built in SqlAlchemy iterator generator I have a ~10M record MySQL table that I.. have a ~10M record MySQL table that I interface with using SqlAlchemy. I have found that queries on large subsets of this table will..
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