本文整理汇总了PHP中DataQuery::expressionForField方法的典型用法代码示例。如果您正苦于以下问题：PHP DataQuery::expressionForField方法的具体用法？PHP DataQuery::expressionForField怎么用？PHP DataQuery::expressionForField使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DataQuery的用法示例。
在下文中一共展示了DataQuery::expressionForField方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
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;
}