Relation Quer. Select operator is Unary means it it applied to single relation only. Note that Relation annotation can be used only in Pojo classes an Entity class cannot have relations.
I would like to write the following to get all the subjects on a give note. This will be accomplished by using the get_posts function. Let say each product has one supplier and each supplier supplies one or more products supplier-product is base in 1-n relation model.
Const x await repocreateQueryBuilder foo innerJoinAndSelect fooparent parent where parentname name name getOne Check here for a similar question.
For example lets say inside a Post entity we have a many-to-many categories relation and a many-to-one user relation to load those relations you can use following code. In the relational database a table is known as relation. You can read more about it in the main Room documentation. All includes must be explicitly allowed using allowedIncludes.