MySQL 查询以使用日期范围获取数据

Question

此查询在 MySql workbench -

中给出了正确的结果

SELECT tbl_visit_info.visitor_id,tbl_visit_info.retailer_id,tbl_retailer.retailer_shop_name,
  SUM( IF( tbl_visit_info.activity_type = 1 ,1,0)) AS feedback,
SUM( IF( tbl_visit_info.activity_type = 2 ,1,0)) AS promise_order,
SUM( IF( tbl_visit_info.activity_type = 3 ,1,0)) AS stock,
SUM( IF( tbl_visit_info.activity_type = 6 ,1,0)) AS payment,
tbl_visit_info.date as visit_date
FROM tbl_visit_info,tbl_retailer 
where tbl_visit_info.retailer_id=tbl_retailer.retailer_id 
and tbl_visit_info.visitor_id=80
group by visitor_id,retailer_id 
having date_format(tbl_visit_info.date, '%Y-%m-%d') BETWEEN '2018-07-01' AND '2018-09-02';

但是，当我想传递变量代替 80 和日期范围作为变量时，它没有给出任何结果。查询是-

SELECT tbl_visit_info.visitor_id,tbl_visit_info.retailer_id,tbl_retailer.retailer_shop_name,
  SUM( IF( tbl_visit_info.activity_type = 1 ,1,0)) AS feedback,
  SUM( IF( tbl_visit_info.activity_type = 2 ,1,0)) AS promise_order,
  SUM( IF( tbl_visit_info.activity_type = 3 ,1,0)) AS stock,
  SUM( IF( tbl_visit_info.activity_type = 6 ,1,0)) AS payment
  FROM tbl_visit_info,tbl_retailer
  where tbl_visit_info.retailer_id=tbl_retailer.retailer_id
  and tbl_visit_info.visitor_id='".$_GET["sr_id"]."'
  group by visitor_id,retailer_id having date_format(date, '%Y-%m-%d') BETWEEN 
  '".$_GET["start_date"]."' AND '".$_GET["end_date"]."'"

当我在 PHP 中编写代码时，此查询没有给出任何结果。

Answer 1

您应该在 where 子句中进行日期筛选，而不是使用 having:

SELECT tbl_visit_info.visitor_id,tbl_visit_info.retailer_id,tbl_retailer.retailer_shop_name,
  SUM( IF( tbl_visit_info.activity_type = 1 ,1,0)) AS feedback,
  SUM( IF( tbl_visit_info.activity_type = 2 ,1,0)) AS promise_order,
  SUM( IF( tbl_visit_info.activity_type = 3 ,1,0)) AS stock,
  SUM( IF( tbl_visit_info.activity_type = 6 ,1,0)) AS payment
  FROM tbl_visit_info,tbl_retailer
  where tbl_visit_info.retailer_id=tbl_retailer.retailer_id
  and tbl_visit_info.visitor_id='".$_GET["sr_id"]."' 
  and date_format(date, '%Y-%m-%d') BETWEEN 
  '".$_GET["start_date"]."' AND '".$_GET["end_date"]."'"
  group by visitor_id,retailer_id

MySQL 查询以使用日期范围获取数据

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