Edit 1: The app crashes only when querying a nested one-to-many relations. Edit 2: I have updated the reproduction repo to include a more concrete example. Edit 3: Title update to mention "one-to-many relationship", and add a description of the relationship in the query. MEnnabah added...
Bug description I'm doing a very simple PostgreSQL query across two tables (A, B) with a one-to-many relationship (A has many B) that returns 4 columns and about 7500 rows. The query uses ILIKE to achieve case-insensitivity on table A wi...
Referential actions are defined in the @relation attribute and map to the actions on the foreign key constraint in the underlying database. If you do not specify a referential action, Prisma ORM falls back to a default.The following model defines a one-to-many relation between User and Post...
您可以创建一个新模型来管理产品和URL之间的one-to-many relationship:
Are available for relation fields when using the model's create or update query. The following section shows the nested write options that are available per query.Create a related recordYou can create a record and one or more related records at the same time. The following query creates ...
@relation设置关联,上面已经提到过了。 @map设置映射,上面也提到过了。 @updatedAt修饰字段用来存储上次更新时间,一般是数据库自带的能力。 @ignore对 Prisma 标记无效的字段。 所有属性描述都可以组合使用,并且还存在需对 model 级别的描述,一般用两个@描述,包括@@id、@@unique、@@index、@@map、@@ignore。
Continuing our work from5.1.0we made further performance improvements around the queries Prisma executes, targetingone-to-many relation fieldsandnested updates. UseLIMITin one-to-many relations on a single parent In cases where there is a single parent with a one-to-many relation included (findFir...
There is a one-to-manyrelationbetween the two models, specified by thepostsandauthorrelation fields onUserandPost. This means that one user can be associated with many posts. Save and exit the file. With these models in place, you can now create the corresponding tables in the database usi...
By default this is set to false and will throw an error if you try to update a toOne relationship through a nested update. If you want to allow this you can set allowToOneUpdates to true:const extendedClient = client.$extends( createSoftDeleteExtension({ models: { Comment: { field: "...
@relation设置关联,上面已经提到过了。 @map设置映射,上面也提到过了。 @updatedAt修饰字段用来存储上次更新时间,一般是数据库自带的能力。 @ignore对 Prisma 标记无效的字段。 所有属性描述都可以组合使用,并且还存在需对 model 级别的描述,一般用两个@描述,包括@@id、@@unique、@@index、@@map、@@ignore。