Question

在status为abanadoned或completed的计划中查找已保存金额的正确语法是什么：

$total = self::sum([
    'column' => 'amount_saved_so_far',
    'conditions' => 'status = "completed" AND user_id = :user_id:',
    //find plans with a status of abandoned as well
    'bind' => ['user_id' => $userId]
]);

Answer 1

你可以简单地做到，这是一个非常好的解决方案：

$total = self::sum([
    'column' => 'amount_saved_so_far',
    'conditions' => '(status = "completed" OR status = "abanadoned") 
                     AND user_id = :user_id:',
    'bind' => ['user_id' => $userId]
]);

或者另一种选择是使用数组绑定：

$total = self::sum([
    'column' => 'amount_saved_so_far',
    'conditions' => 'status IN ({vars:array}) AND user_id = :user_id:',
    'bind' => [
        'vars' => ['completed', 'abanadoned'],
        'user_id' => $userId
    ]
]);

如果你有更多的IN子句值，第二个选项会更优雅，更实用。

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1 个答案: