lazyrecord\schema\mixin\RevisionMixinSchema::schema PHP Method

    public function schema()
    {
        $this->column('revision_parent_id')->int()->unsigned()->null();
        $this->column('revision_root_id')->int()->unsigned()->null();
        $this->column('revision_created_at')->timestamp()->null()->isa('DateTime')->default(function () {
            return new \DateTime();
        });
        $this->column('revision_updated_at')->timestamp()->null()->isa('DateTime')->default(new Raw('CURRENT_TIMESTAMP'))->onUpdate(new Raw('CURRENT_TIMESTAMP'));
        $this->belongsTo('root_revision', get_class($this->parentSchema), 'id', 'revision_root_id');
        $this->belongsTo('parent_revision', get_class($this->parentSchema), 'id', 'revision_parent_id');
        $this->addModelTrait('LazyRecord\\ModelTrait\\RevisionModelTrait');
    }