提问者:小点点

复杂MySQL内连接查询与Laravel查询生成器


我正在尝试使用Laravel查询生成器运行此查询。我认为查询是正确的,因为当我在MySQL工作台中运行查询时,查询会执行,并得到预期的结果。我知道我们可以使用laravel query builder编写原始查询,但它存在SQL注入漏洞。所以我试着不带任何疑问地继续下去。

这就是问题所在

SELECT invoice.InvNo,customer.RouteCode,customer.CustomerCode,rootplan_product.RouteplanCode,invoice.Status 
FROM rootplan_product
INNER JOIN 
customer ON customer.RouteCode = rootplan_product.RouteCode
AND
customer.CustomerCode = rootplan_product.customercode
INNER JOIN
invoice ON invoice.CustomerCode = customer.CustomerCode 
WHERE
rootplan_product.RouteCode='MO-A' AND invoice.Status IN ('PENDING','ACTIVE') 
ORDER BY invoice.Status desc

我已经使每个表一个模型和使用在控制器像这样。因为表名不同于命名约定。我添加了protected$table='correct_table_name';在每个模型中。

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use \App\Route;
use \App\Customer;
use \App\Invoice;
use \App\Rootplan_Product;

这是控制器功能

public function retrieveRouteCodeData(Request $request){
    try {
        $RouteCode = $request->RouteCode;
        $retrievedData = DB::table('rootplan_product')
                    ->join('customer', function($join){
                        $join->on('customer.RouteCode', '=', 'rootplan_product.RouteCode');
                        $join->on(DB::raw('(customer.CustomerCode = rootplan_product.CustomerCode)'));
                    })
                    ->join('invoice', 'invoice.CustomerCode', '=', 'customer.CustomerCode')
                    ->select('invoice.InvNo', 'customer.RouteCode', 'customer.CustomerCode', 'rootplan_product.RouteplanCode', 'invoice.Status')
                    ->where('rootplan_product.RouteCode', $RouteCode)
                    ->orderBy('invoice.Status','desc')
                    ->get();
                    return response()->json(['msg'=>'Updated Successfully', 'result'=>$retrievedData, 'success'=>true]);
      }
      catch (\Exception $e) {
          return response()->json(['msg'=>$e->getMessage()]);

      }


}

在控制台中,我得到了这个错误

“SQLSTATE[42S22]:未找到列:“on子句”中的1054未知列”(SQL:选择invoiceInvNocustomercustomerrootplan\u productrootplan\u productinvoice状态来自rootplan\u product内部连接客户uteCode=rootplan\u产品<代码>路线代码和(customer.CustomerCode=rootplan\u product.CustomerCode)=``内部连接发票打开发票<代码>客户代码=客户<代码>客户代码其中rootplan\u产品<代码>路线代码=MO-A订单依据<代码>发票<代码>状态desc)”

我理解这个问题是复杂的,任何帮助都将不胜感激!


共1个答案

匿名用户

问题在于DB::raw语句。请使用以下各项:

DB::table('rootplan_product')->join('customer', function ($join) {
    $join->on('customer.RouteCode', '=', 'rootplan_product.RouteCode');
    $join->on('customer.CustomerCode', 'rootplan_product.CustomerCode');
})->join('invoice', 'invoice.CustomerCode', '=', 'customer.CustomerCode')
    ->select('invoice.InvNo', 'customer.RouteCode', 'customer.CustomerCode', 'rootplan_product.RouteplanCode', 'invoice.Status')
    ->where('rootplan_product.RouteCode', '123')
    ->whereIn('invoice.Status', ['PENDING','ACTIVE'])
    ->orderBy('invoice.Status', 'desc')
    ->get();

这将产生以下SQL:

SELECT `invoice`.`InvNo`,
       `customer`.`RouteCode`,
       `customer`.`CustomerCode`,
       `rootplan_product`.`RouteplanCode`,
       `invoice`.`Status`
FROM `test`
INNER JOIN `customer` ON `customer`.`RouteCode` = `rootplan_product`.`RouteCode`
AND `customer`.`CustomerCode` = `rootplan_product`.`CustomerCode`
INNER JOIN `invoice` ON `invoice`.`CustomerCode` = `customer`.`CustomerCode`
WHERE `rootplan_product`.`RouteCode` = ?
  AND `invoice`.`Status` IN (?, ?)
ORDER BY `invoice`.`Status` DESC