object(Exception)#27 (7) {
  ["message":protected]=>
  string(674) "SQLSTATE[42000]: Syntax error or access violation: 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 'and attr_value = "" order by ebs.sort asc  limit 10' at line 5
SQL: select distinct(b.brand_name),b.brand_id,e.user_id from imrobotic_store.ecs_brand b 
    left join product p on p.brand_id = b.brand_id 
    left join enterprise e on e.brand_id = b.brand_id 
    left join product_attr_value pav on p.id = pav.product_id 
    left join imrobotic_store.ecs_brand_sort ebs on ebs.brand_id = b.brand_id where pav.ca_id =  and attr_value = "" order by ebs.sort asc  limit 10
Params: ""
"
  ["string":"Exception":private]=>
  string(0) ""
  ["code":protected]=>
  int(0)
  ["file":protected]=>
  string(42) "/wwwroot/web/aio/Parith/DataSource/PDO.php"
  ["line":protected]=>
  int(635)
  ["trace":"Exception":private]=>
  array(6) {
    [0]=>
    array(6) {
      ["file"]=>
      string(42) "/wwwroot/web/aio/Parith/DataSource/PDO.php"
      ["line"]=>
      int(606)
      ["function"]=>
      string(4) "exec"
      ["class"]=>
      string(21) "Parith\DataSource\PDO"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(0) {
      }
    }
    [1]=>
    array(6) {
      ["file"]=>
      string(48) "/wwwroot/web/aio/JiQiRen/Database/ProductDao.php"
      ["line"]=>
      int(489)
      ["function"]=>
      string(5) "query"
      ["class"]=>
      string(21) "Parith\DataSource\PDO"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(1) {
        [0]=>
        string(403) "select distinct(b.brand_name),b.brand_id,e.user_id from imrobotic_store.ecs_brand b 
    left join product p on p.brand_id = b.brand_id 
    left join enterprise e on e.brand_id = b.brand_id 
    left join product_attr_value pav on p.id = pav.product_id 
    left join imrobotic_store.ecs_brand_sort ebs on ebs.brand_id = b.brand_id where pav.ca_id =  and attr_value = "" order by ebs.sort asc  limit 10"
      }
    }
    [2]=>
    array(6) {
      ["file"]=>
      string(50) "/wwwroot/web/aio/JiQiRen/Controller/Automation.php"
      ["line"]=>
      int(857)
      ["function"]=>
      string(15) "getProductBrand"
      ["class"]=>
      string(27) "JiQiRen\Database\ProductDao"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(2) {
        [0]=>
        NULL
        [1]=>
        int(10)
      }
    }
    [3]=>
    array(6) {
      ["file"]=>
      string(34) "/wwwroot/web/aio/Parith/Parith.php"
      ["line"]=>
      int(109)
      ["function"]=>
      string(6) "detail"
      ["class"]=>
      string(29) "JiQiRen\Controller\Automation"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(0) {
      }
    }
    [4]=>
    array(6) {
      ["file"]=>
      string(34) "/wwwroot/web/aio/Parith/Parith.php"
      ["line"]=>
      int(55)
      ["function"]=>
      string(3) "web"
      ["class"]=>
      string(6) "Parith"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(0) {
      }
    }
    [5]=>
    array(6) {
      ["file"]=>
      string(42) "/wwwroot/web/aio/wwwroot/jiqirenMobile.php"
      ["line"]=>
      int(25)
      ["function"]=>
      string(3) "run"
      ["class"]=>
      string(6) "Parith"
      ["type"]=>
      string(2) "->"
      ["args"]=>
      array(0) {
      }
    }
  }
  ["previous":"Exception":private]=>
  NULL
}
<pre>SQLSTATE[42000]: Syntax error or access violation: 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 'and attr_value = "" order by ebs.sort asc  limit 10' at line 5
SQL: select distinct(b.brand_name),b.brand_id,e.user_id from imrobotic_store.ecs_brand b 
    left join product p on p.brand_id = b.brand_id 
    left join enterprise e on e.brand_id = b.brand_id 
    left join product_attr_value pav on p.id = pav.product_id 
    left join imrobotic_store.ecs_brand_sort ebs on ebs.brand_id = b.brand_id where pav.ca_id =  and attr_value = "" order by ebs.sort asc  limit 10
Params: ""
|/wwwroot/web/aio/Parith/DataSource/PDO.php|635
Trace: 
#0 /wwwroot/web/aio/Parith/DataSource/PDO.php(606): Parith\DataSource\PDO->exec()
#1 /wwwroot/web/aio/JiQiRen/Database/ProductDao.php(489): Parith\DataSource\PDO->query('select distinct...')
#2 /wwwroot/web/aio/JiQiRen/Controller/Automation.php(857): JiQiRen\Database\ProductDao->getProductBrand(NULL, 10)
#3 /wwwroot/web/aio/Parith/Parith.php(109): JiQiRen\Controller\Automation->detail()
#4 /wwwroot/web/aio/Parith/Parith.php(55): Parith->web()
#5 /wwwroot/web/aio/wwwroot/jiqirenMobile.php(25): Parith->run()
#6 {main}</pre>