find*methods. If you use
QueryBuildereager relations are disabled and have to use
leftJoinAndSelectto load the relation. Eager relations can only be used on one side of the relationship, using
eager: trueon both sides of relationship is disallowed.
Promiseas type - you store your value in a promise, and when you load them a promise is returned as well. Example:
categoriesis a Promise. It means it is lazy and it can store only a promise with a value inside. Example how to save such relation: