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docs: clarify comments on many-to-many sample (#4912)

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Mike Guida 2019-10-18 08:37:18 +00:00 committed by Umed Khudoiberdiev
parent 2bb0e398f9
commit 336bfb6f24
1 changed files with 12 additions and 10 deletions
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22
sample/sample4-many-to-many/entity/Post.ts
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@ -19,45 +19,47 @@ export class Post {
@Column()
text: string;
// post has relation with category, however inverse relation is not set (category does not have relation with post set)
// Post has relation with PostCategory, however inverse relation is not set
// (category does not have relation with post set)
@ManyToMany(type => PostCategory, {
cascade: true
})
@JoinTable()
categories: PostCategory[];
// post has relation with details. cascade inserts here means if new PostDetails instance will be set to this
// relation it will be inserted automatically to the db when you save this Post entity
// Post has relation with PostDetails. Cascade insert here means if there is a new PostDetails instance set
// on this relation, it will be inserted automatically to the db when you save this Post entity
@ManyToMany(type => PostDetails, details => details.posts, {
cascade: ["insert"]
})
@JoinTable()
details: PostDetails[];
// post has relation with details. cascade update here means if new PostDetail instance will be set to this relation
// it will be inserted automatically to the db when you save this Post entity
// Post has relation with PostImage. Cascade update here means if there are changes to an existing PostImage, it
// will be updated automatically to the db when you save this Post entity
@ManyToMany(type => PostImage, image => image.posts, {
cascade: ["update"]
})
@JoinTable()
images: PostImage[];
// post has relation with details. cascade update here means if new PostDetail instance will be set to this relation
// it will be inserted automatically to the db when you save this Post entity
// Post has relation with PostMetadata. No cascades here means that when saving a Post entity, there will be
// no creating/updating/destroying PostMetadata.
@ManyToMany(type => PostMetadata, metadata => metadata.posts)
@JoinTable()
metadatas: PostMetadata[];
// post has relation with details. full cascades here
// Post has relation with PostInformation. Full cascades here
@ManyToMany(type => PostInformation, information => information.posts, {
cascade: true
})
@JoinTable()
informations: PostInformation[];
// post has relation with details. not cascades here. means cannot be persisted, updated or removed
// Post has relation with author. No cascades here means that when saving a Post entity, there will be
// no creating/updating/destroying PostAuthor.
@ManyToMany(type => PostAuthor, author => author.posts)
@JoinTable()
authors: PostAuthor[];
}
}