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I have this mapper defined: mapper(Resource, resource_table, properties = {'type' : relati… Read more Sqlalchemy - Can We Use Date Comparison In Relation Definition?

I'm trying to understand how to do joins with composite foreign keys on SQLAlchemy and my attem… Read more Sqlalchemy Joins With Composite Foreign Keys (with Flask-sqlalchemy)

I am trying to make a movie database and I would like to have the tables: movies, groups(tags), gen… Read more Sqlalchemy Orm Multiple Many To Many Relationships

I am using Django for quite a while but each time I ask myself the same question again and again. … Read more What Multinlingual Database Support For Django 1.3?

I need to implement this query using django orm: update table set field=field+1 where id=id I don&… Read more Generate Update Query Using Django Orm

Given a vendor-specific SQLAlchemy datatype, such as sqlalchemy.dialects.postgresql.INTEGER, what i… Read more How To Find Sqlalchemy Generic Datatype From Vendor-specific Datatype

I'm fond of Django and use it regularly. I find most of its defaults sane, but one has always b… Read more Why Does Django's Urlfield Truncate To 200 Characters By Default?

I have a database model like, with a ForeignKey field. From this model I created a form with class… Read more Django Form Foreignkey Database Field Not As Dropdown

We are using sqlalchemy's autoload feature to do column mapping to prevent hardcoding in our co… Read more Sqlalchemy Autoloaded Orm Persistence

I have two tables and want to join them.. but I can't do that without rawQueryset and raw SQL. … Read more Django - Join Two Table Without Foreign Key

I am writing a program using SQLAlchemy, python, and multithreading. In my design, Thread A uses a … Read more Why One Thread Can't Not Detect The Changed Value Updated By The Other Thread?

I'm using Django 1.11, Postgresql 9.2, python 3.4 I want to select data based on table's c… Read more Django Orm Conditional Filter Like Case When Then

In my database, I have some columns where data is stored in some weird format. Since the database i… Read more Sqlalchemy: Convert Column Value Back And Forth Between Internal And Database Format