Agile toolkit - access calculated fields (expressions) from dsql?
问题 I have a model with a calculated field: class Model_UsedItem extends Model_Table { public $table='usedItems'; function init() { parent::init(); $this->hasOne('Case', 'case_id', 'id'); $this->hasOne('Item', 'item_id', 'description'); $i = $this->join('Items', 'item_id'); $i->addField('unitCost')->hidden(true); $this->addField('quantity') $this->addExpression('subTotal')->set('unitCost * quantity')->type('money'); } (Table usedItems contains id, case_id, item_id, and quantity.The value for