class-table-inheritance
Handling forms with class table inheritance models
I would like to use form_for except I have class table inheritance models using the citier gem. They are defined as such:[详细]
2023-04-04 11:57 分类:问答SQL One-to-Many Table vs. multiple one-to-one relationships
I\'m working on a project with the following objective: A User can create a Challenge and select an optional Rival to take part of this challenge. The Challenge generates Daily entries and will track[详细]
2023-03-30 06:39 分类:问答Inheritance & Database Design
When you model inherit开发者_如何转开发ance through class table inheritance relationships in a database model, do you...[详细]
2023-03-17 10:46 分类:问答How to convert entity leaving it id
There are some entities (Region, Country, City)开发者_高级运维 which used STI (or even CTI). How it possible convert Country to City leaving old id?This is not supported in Doctrine 2 because type cas[详细]
2023-03-10 18:22 分类:问答How to change and entity type in Doctrine2 CTI Inheritance
How (if possible at all) do you change the entity type with Doctrine2, using it\'s Class Table Inheritance?[详细]
2023-03-04 04:34 分类:问答How to use "class table inheritance" in Doctrine 2 with XML mapping
I\'m trying to use the \"class table inheritance feature\" of Doctrine 2 with XML Mapping (Symfony 2 PR 7).[详细]
2023-02-15 17:21 分类:问答Rails class-table inheritance gem, faux-inheritance, and missing methods
I\'m working on modifying part of an existing Rails app to use the Class-Table-Inheritance gem (https://github.com/brunofrank/class-table-inheritance).All\'s well, except that I have defined some inst[详细]
2023-02-08 00:21 分类:问答How do we implement an IS-A Relationship?
We implement an One-to-Many relationship by adding one Table\'s PK, as FK to the other Table. We implement a Many-to-Many relationship by adding 2 Table\'s PKs to a third Table.[详细]
2023-01-29 12:34 分类:问答Class Table Inheritance in Rails 3
I\'m currently working on a Rails 3 application that looks like it might need to use Class Table Inheritance for a couple of models.[详细]
2023-01-11 16:51 分类:问答PHP doctrine 1.2 ORM - polymorphic queries with class table inheritance
I\'m experimenting with the Doctrine ORM (v1.2) for PHP. I have defined a class \"liquor\", with two child classes \"gin\" and \"whiskey\". I am using concrete inheritance (class table inheritance in[详细]
2023-01-06 08:34 分类:问答