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Recent questions tagged orm

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orm - CakePHP 3.0 -> Between find condition

Is it possible to do a "BETWEEN ? AND ?" where condition LIKE in cakephp 2.5? In cakephp 2.5 I write something ... end_date'] => '2014-03-31'] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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843 views

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orm - Should I enable or disable dynamic proxies with entity framework 4.1 and MVC3?

Could someone offer up some advice or point out some blogs/articles that could help with making this decision? ... object that was retrieved from the context. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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orm - Django queries - id vs pk

When writing django queries one can use both id/pk as query parameters. Object.objects.get(id=1) Object.objects.get ... clear when one should be using id or pk. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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994 views

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orm - How do I map lists of nested objects with Dapper

I'm currently using Entity Framework for my db access but want to have a look at Dapper. I have classes like this: ... I have to do it in several query steps? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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orm - What is the difference between fetch="EAGER" and fetch="LAZY" in doctrine

What is the difference between fetch="EAGER" and fetch="LAZY" in annotation @ManyToOne in Doctrine ? /** * @ManyToOne( ... cascade={"all"}, fetch="LAZY") */ Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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991 views

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orm - Laravel - Eloquent "Has", "With", "WhereHas" - What do they mean?

I've found the concept and meaning behind these methods to be a little confusing, is it possible for somebody to ... the context of an example (if possible)? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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orm - How to Eager Load Associations without duplication in NHibernate?

I'd need to load a list of very large objects with so many children and children of children. what's the ... .Commit(); } return nominationQuery.ToList(); } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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orm - How to display query data in a chart? - Django

I am trying to display the query data in the char but I get this error: TypeError at /estadisticas list indices ... /questions/65855059/how-to-display-query-data-in-a-chart-django...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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orm - Doctrine composite primary key as part of the primary key of another entity

I have specific situation where composite primary key of one entity is part of the primary key of another entity. This ... -with-a-composite-primary-key-as-part-of-the-primary-key...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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900 views

1 answer

orm - django queryset values not merging

based on this answer i have this model class PortfolioExchangeTransaction(models.Model): creator = models.ForeignKey ... .com/questions/65897663/django-queryset-values-not-merging...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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934 views

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orm - API Platform persisting in database and sending to message bus

I'm trying to make an Entity that will send a message to the bus, but also persist data in the database ... /65922370/api-platform-persisting-in-database-and-sending-to-message-bus...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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orm - Peewee Meta class inherence

I am struggling with the following: from my_db_definition import db from peewee import * class A(Model): ... ://stackoverflow.com/questions/65923090/peewee-meta-class-inherence...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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727 views

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orm - RepoDb - Extract function throws exception when using ExecuteQueryMultiple

when i execute the code below, it generates an exception. where am i going wrong? Code that ... /65946130/repodb-extract-function-throws-exception-when-using-executequerymultiple...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

orm - Sequelize: use existing type for ENUMs instead of creating new

Suppose I have two models that use the same ENUM type status: { type: DataTypes.ENUM, values: [1,2,3, ... /65643854/sequelize-use-existing-type-for-enums-instead-of-creating-new...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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868 views

1 answer

orm - 2 different model based on one attribute of a table in rails

Suppose I want to make only one table for users in ruby on rails.but I want to make 2 more model based on the ... /2-different-model-based-on-one-attribute-of-a-table-in-rails...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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orm - Laravel Eloquent Filter By Column of Relationship

Using the Eloquent ORM I have my models set up like so: Post belongsToMany Category Post.php public ... com/questions/20801859/laravel-eloquent-filter-by-column-of-relationship...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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817 views

1 answer

orm - How to implement Repository pattern in Ruby/Padrino?

I want to implement Repository Pattern in a Ruby/Padrino application. I know Padrino offers built-in support ... /66050412/how-to-implement-repository-pattern-in-ruby-padrino...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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orm - 什么是ORM（对象关系映射）中的“ N + 1选择问题”？(What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?)

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that ... 的解释吗？) ask by Lars A. Brekken translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

orm - 什么是ORM（对象关系映射）中的“ N + 1选择问题”？(What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?)

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that ... 的解释吗？) ask by Lars A. Brekken translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

orm - 什么是ORM（对象关系映射）中的“ N + 1选择问题”？(What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?)

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that ... 的解释吗？) ask by Lars A. Brekken translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

3.9k views

1 answer

orm - How to display query data in a chart? - Django

I am trying to display the query data in the char but I get this error: TypeError at / ... Cuaderno> self <store_project_app.views.EstadisticasView object at 0x000001B731FCC700>...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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