在簽入和結帳（DATETIME）之間獲取結果錯誤

我試圖在特定日期簽入和結帳之間獲取結果。我流汗以下錯誤：在簽入和結帳（DATETIME）之間獲取結果錯誤

Error Number: 1064 

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '14:00:00 AND b.end <= 2016-03-31 11:00:00' at line 4 

SELECT * FROM properties as a LEFT JOIN reservations as b ON b.room_id = a.room_id WHERE a.client = 7 AND b.start >= 2016-03-01 14:00:00 AND b.end <= 2016-03-31 11:00:00 

Filename: controllers/Transactions.php 

Line Number: 741

SQL：

$sql = "SELECT * 
     FROM properties as a 
     LEFT JOIN reservations as b ON b.room_id = a.room_id 
     WHERE a.client = $client AND b.start >= $start AND b.end <= $end"; 
     $query = $this->db->query($sql);

日期時間爲$開始和結束$什麼..我做錯了？由於

來源

2016-03-15 Валерий Шубкин

我猜你正在使用笨。查看Active Record，以便查詢更加簡單。 –

@VincentDecaux：同意，如果其CI框架使用活動記錄 – devpro

您需要添加報價start和end日期列，你不能使用日期列不帶引號爲：

b.start >= 2016-03-01 14:00:00 AND b.end <= 2016-03-31 11:00:00

這應該是：

b.start >= '2016-03-01 14:00:00' AND b.end <= '2016-03-31 11:00:00'

修改後的查詢：

SELECT * 
FROM properties AS a 
LEFT JOIN reservations AS b ON b.room_id = a.room_id 
WHERE a.client = '$CLIENT' AND b.start >= '$START' AND b.end <= '$END'

來源

2016-03-15 11:48:01 devpro

在簽入和結帳（DATETIME）之間獲取結果錯誤

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