package error type EntityAlreadyExists struct{} func (e *EntityAlreadyExists) Error() string { return "EntityAlreadyExists error" } type NoDataWritten struct{} func (e *NoDataWritten) Error() string { return "NoDataWritten error" } type NoDataFound struct{} func (e *NoDataFound) Error() string { return "NoDataFound error" } type NoRelationCreated struct{} func (e *NoRelationCreated) Error() string { return "relationship creation error" }