Method manyQuery

orm/join.go:46–87

(q *Query)

}

func (j *join) manyQuery(q *Query) (*Query, error) {
	manyModel := newManyModel(j)
	if manyModel == nil {
		return nil, nil
	}

	q = q.Model(manyModel)
	if j.ApplyQuery != nil {
		var err error
		q, err = j.ApplyQuery(q)
		if err != nil {
			return nil, err
		}
	}

	if len(q.columns) == 0 {
		q.columns = append(q.columns, &hasManyColumnsAppender{j})
	}

	baseTable := j.BaseModel.Table()
	var where []byte
	if len(j.Rel.JoinFKs) > 1 {
		where = append(where, '(')
	}
	where = appendColumns(where, j.JoinModel.Table().Alias, j.Rel.JoinFKs)
	if len(j.Rel.JoinFKs) > 1 {
		where = append(where, ')')
	}
	where = append(where, " IN ("...)
	where = appendChildValues(
		where, j.JoinModel.Root(), j.JoinModel.ParentIndex(), j.Rel.BaseFKs)
	where = append(where, ")"...)
	q = q.Where(internal.BytesToString(where))

	if j.Rel.Polymorphic != nil {
		q = q.Where(`? IN (?, ?)`,
			j.Rel.Polymorphic.Column,
			baseTable.ModelName, baseTable.TypeName)
	}

	return q, nil
}

func (j *join) selectM2M(fmter QueryFormatter, q *Query) error {
	q, err := j.m2mQuery(fmter, q)