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Showing posts with the label Orm

How To Use Mathematic Equations As Filters In Sqlalchemy

I'm using the SQLAlchemy ORM to construct the MySQL queries in my application, and am perfectly… Read more How To Use Mathematic Equations As Filters In Sqlalchemy

Cannot Create New Django Model Object Within Ajax Post Request

This is kind of 'I already lost x hours debugging this' kind of problem/question :( Followi… Read more Cannot Create New Django Model Object Within Ajax Post Request

Generate Update Query Using Django Orm

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

Sqlalchemy Autoloaded Orm Persistence

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

Why The Use Of An Orm With Nosql (like Mongodb)

sorry, but does this make sense? the ORM means: Object Relational Mapper, and here, there is Relati… Read more Why The Use Of An Orm With Nosql (like Mongodb)

Sqlalchemy Orm Multiple Many To Many Relationships

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

Django - Join Two Table Without Foreign Key

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

How Can I Autogenerate Orm Code For Sqlalchemy When Consuming Tsql (mssql On Sql Server) From Python?

SQLAlchemy relies on me building ORM classes like this: from sqlalchemy import Column, DateTime, St… Read more How Can I Autogenerate Orm Code For Sqlalchemy When Consuming Tsql (mssql On Sql Server) From Python?

Fetch Latest Related Objects In Django

In my django app I have 'Documents'. Each document has one or more 'Revisions' that… Read more Fetch Latest Related Objects In Django

Chained Comparisons In Sqlalchemy

Python supports chained comparisons: 1 Solution 1: SQLAlchemy won't support Python's chain… Read more Chained Comparisons In Sqlalchemy

F() Expressions In Django Keeps Giving Me 0

I am about to update approx 2-3k of records for one of my django model. I know that using the updat… Read more F() Expressions In Django Keeps Giving Me 0

How To Execute CASCADE On Delete?

I have this model in Django, where a person has the same information from the user provided by Djan… Read more How To Execute CASCADE On Delete?

SQLAlchemy How To Filter By Children In Many To Many

I was asking for a problem I had in SQLAlchemy and found the solution while writing. I post it anyw… Read more SQLAlchemy How To Filter By Children In Many To Many