本文整理匯總了PHP中DataQuery::expressionForField方法的典型用法代碼示例。如果您正苦於以下問題：PHP DataQuery::expressionForField方法的具體用法？PHP DataQuery::expressionForField怎麽用？PHP DataQuery::expressionForField使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類DataQuery的用法示例。
在下文中一共展示了DataQuery::expressionForField方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: subtract
/**
* Removes the result of query from this query.
*
* @param DataQuery $subtractQuery
* @param string $field
*/
public function subtract(DataQuery $subtractQuery, $field = 'ID')
{
$fieldExpression = $subtractQuery->expressionForField($field);
$subSelect = $subtractQuery->getFinalisedQuery();
$subSelect->setSelect(array());
$subSelect->selectField($fieldExpression, $field);
$subSelect->setOrderBy(null);
$this->where($this->expressionForField($field) . ' NOT IN (' . $subSelect->sql() . ')');
return $this;
}示例2: subtract
/**
* Removes the result of query from this query.
*
* @param DataQuery $subtractQuery
* @param string $field
*/
public function subtract(DataQuery $subtractQuery, $field = 'ID')
{
$fieldExpression = $subtractQuery->expressionForField($field);
$subSelect = $subtractQuery->getFinalisedQuery();
$subSelect->setSelect(array());
$subSelect->selectField($fieldExpression, $field);
$subSelect->setOrderBy(null);
$subSelectSQL = $subSelect->sql($subSelectParameters);
$this->where(array($this->expressionForField($field) . " NOT IN ({$subSelectSQL})" => $subSelectParameters));
return $this;
}