Mybatis灵活使用if、include等标签，简化复杂查询语句的编写

在多表联合查询的时候，遇到复杂的查询逻辑，我们不一定要在查询的sql中来解决，很多时候，灵活运用mybatis的标签，也可以解决我们的参数查询逻辑等；下面是一个查询案例，还有很大的优化空间，这里不做处理，仅供参考；

    
        
            plate_word pw,
        
    

    
        
            AND a.plate_no LIKE CONCAT('%',#{plateNo,jdbcType=VARCHAR},'%')
        
        
            AND a.plate_no=pw.plate_no
            AND match(pw.plate_word) against(#{plateNo,jdbcType=VARCHAR} IN BOOLEAN MODE)
        
    

    
        
            AND e.plate_no LIKE CONCAT('%',#{plateNo,jdbcType=VARCHAR},'%')
        
        
            AND e.plate_no=pw.plate_no
            AND match(pw.plate_word) against(#{plateNo,jdbcType=VARCHAR} IN BOOLEAN MODE)
        
    

    
    
        SELECT allTh.* FROM(
        SELECT @rownum:=@rownum+1 AS rowNum,allTables.*
        FROM (SELECT @rownum:=0) r,(
        
        
            SELECT a.coupon_id, a.coupon_no coupon_code, a.coupon_type coupon_rule_type, a.dealer_id, a.create_time,
            a.bgn_date, a.end_date, 11 coupon_mode,
            a.`status` coupon_status,
            IFNULL(a.deduct_money,0) coupon_use_money,a.plate_no coupon_plate_no,a.shop_id, a.free_time, a.free_rate,
            f.`name` dealer_name, c.account coupon_user, c.mobile_phone coupon_phone,a.money
            coupon_cut_money,b.source_name
            FROM
            
                driver_coupon a
            LEFT JOIN open_api_coupon_source b ON b.id= a.openapi_rela_id AND b.dealer_id= #{dealerId,jdbcType=BIGINT}
            LEFT JOIN sys_user c ON a.user_id=c.user_id
            LEFT JOIN sys_user f ON a.shop_id=f.user_id
            WHERE a.dealer_id= #{dealerId,jdbcType=BIGINT}
         
         AND a.`status` != 99
         
             AND a.shop_id=#{shopId,jdbcType=BIGINT}
         
         
             AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
         
         
             AND a.`status` = #{couponStatus,jdbcType=TINYINT}
         
         
             AND a.coupon_type = #{couponRuleType,jdbcType=TINYINT}
         

            
            

         
             AND c.mobile_phone =#{mobilePhone,jdbcType=VARCHAR}
         
         
             AND a.operate_id = #{operateId,jdbcType=BIGINT}
         
         
             AND b.id =#{sourceId,jdbcType=BIGINT}
         
         UNION ALL
         SELECT a.record_id coupon_id, a.coupon_no coupon_code, a.free_type coupon_rule_type, a.dealer_id,
         a.create_time,
         a.bgn_date, a.end_date, 11 coupon_mode, a.`status` coupon_status,
         IFNULL(a.deduct_money,0) coupon_use_money, a.plate_no coupon_plate_no, a.user_id shop_id, null free_time,
         CASE WHEN a.free_type=1 THEN a.free_price
         ELSE 0
         END AS free_rate,
         f.`name` dealer_name, a.`name` coupon_user,a.phone coupon_phone,
         CASE WHEN a.free_type=0 THEN a.free_price
         ELSE 0
         END AS coupon_cut_money,'' AS source_name
         FROM
            
            visit_car_info a ,dealer_user_rela b
         LEFT JOIN sys_user f ON b.user_id=f.user_id
         WHERE a.type= 1
         AND a.is_delete=0
         AND b.dealer_id=a.dealer_id
         AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
         
             AND b.user_id=#{shopId,jdbcType=BIGINT}
         
         
             AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
         
         
             AND a.`status` = #{couponStatus,jdbcType=TINYINT}
         
         
             AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
         

            
            

         
             AND a.phone =#{mobilePhone,jdbcType=VARCHAR}
         
         
             AND a.user_id = #{operateId,jdbcType=BIGINT}
         
        
        
            AND a.type= 99
        
    

    
        UNION ALL
    

    
        
            
                SELECT a.coupon_id, a.coupon_code, a.free_type coupon_rule_type,a.dealer_id, a.create_time,
                a.bgn_date, a.end_date, 22 coupon_mode, a.`status` coupon_status,
                a.deduct_money coupon_use_money, a.plate_no coupon_plate_no, a.shop_id, a.free_time,
                a.free_rate, d.`name` dealer_name, '' coupon_user,'' coupon_phone,a.free_price coupon_cut_money,'' AS
                source_name
                FROM
                
                offline_coupon a
                LEFT JOIN sys_user d ON a.shop_id=d.user_id
                WHERE a.`status` = 1
                AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
                
                    AND a.shop_id=#{shopId,jdbcType=BIGINT}
                
                
                    AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
                
                
                    AND a.`status` = #{couponStatus,jdbcType=TINYINT}
                
                
                    AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
                
                
                

                
                    AND a.operate_id = #{operateId,jdbcType=BIGINT}
                
                UNION ALL
            
            
            SELECT a.coupon_id, a.coupon_code, a.free_type coupon_rule_type, a.dealer_id, a.create_time,
            a.bgn_date, a.end_date, 22 coupon_mode, a.`status` coupon_status,
            b.deduct_money coupon_use_money, e.plate_no coupon_plate_no, a.shop_id, a.free_time,
            a.free_rate, f.`name` dealer_name, d.account coupon_user, d.mobile_phone coupon_phone,a.free_price
            coupon_cut_money,'' AS source_name
            FROM
            
            charge_coupon_info b
            INNER JOIN offline_coupon a on a.coupon_code = b.coupon_code
            LEFT JOIN charge_info e ON b.charge_id =e.charge_id
            LEFT JOIN sys_user d ON e.user_id=d.user_id
            LEFT JOIN sys_user f ON a.shop_id = f.user_id
            WHERE a.`status` = 1
            AND a.dealer_id = b.dealer_id
            AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
            
            AND b.coupon_type=0
            
                AND a.shop_id=#{shopId,jdbcType=BIGINT}
            
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.`status` = #{couponStatus,jdbcType=TINYINT}
            
            
                AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
            

            
            

            
                AND d.mobile_phone = #{mobilePhone,jdbcType=VARCHAR}
            
            
                AND a.operate_id = #{operateId,jdbcType=BIGINT}
            
            
                
                UNION ALL
                SELECT a.coupon_id, a.coupon_code, a.free_type coupon_rule_type, a.dealer_id, a.create_time,
                a.bgn_date, a.end_date, 22 coupon_mode, a.`status` coupon_status,
                0 coupon_use_money, a.plate_no coupon_plate_no, a.shop_id, a.free_time,
                a.free_rate, f.`name` dealer_name, '' coupon_user, '' coupon_phone,a.free_price coupon_cut_money,'' AS
                source_name
                FROM
                
                offline_coupon a
                LEFT JOIN sys_user f ON a.shop_id = f.user_id
                WHERE a.`status` != 1
                AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
                
                    AND a.shop_id=#{shopId,jdbcType=BIGINT}
                
                
                    AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
                
                
                    AND a.`status` = #{couponStatus,jdbcType=TINYINT}
                
                
                    AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
                
                
                

                
                    AND a.operate_id = #{operateId,jdbcType=BIGINT}
                
            
        
        
            UNION ALL
            SELECT a.charge_id coupon_id, a.coupon_code, 33 coupon_rule_type, a.dealer_id, a.pay_time create_time,
            NULL bgn_date, NULL end_date, 22 coupon_mode, 1 coupon_status,
            IFNULL(sum(a.deduct_money), 0) coupon_use_money, a.plate_no coupon_plate_no, null shop_id, null freeTime,
            null free_rate, f.`name` dealer_name, '' coupon_user,'' coupon_phone,0 coupon_cut_money,'' AS source_name
            FROM
            
            charge_info a,dealer_user_rela i
            LEFT JOIN sys_user f ON f.user_id=i.user_id
            WHERE a.dealer_id=i.dealer_id
            AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
            AND a.coupon_code IS NOT NULL
            AND a.coupon_code != ''
            AND a.coupon_code != 'charge_coupon_info'
            AND NOT EXISTS (SELECT 1 FROM driver_coupon b WHERE a.dealer_id = b.dealer_id AND a.coupon_code =
            b.coupon_no)
            AND NOT EXISTS (SELECT 1 FROM offline_coupon c WHERE a.dealer_id = c.dealer_id AND a.coupon_code =
            c.coupon_code)
            AND NOT EXISTS (SELECT 1 FROM visit_car_info d WHERE a.dealer_id = d.dealer_id AND a.coupon_code =
            d.coupon_no)
            
                AND a.pay_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
            

            GROUP BY a.coupon_code

        
        )allTables
        )allTh
        
            
                AND rowNum in
                
                    #{id,jdbcType=INTEGER}
                
            
        
        ORDER BY create_time DESC

    

    
    

        SELECT SUM(aa.allCount) AS COUNTALL
        FROM (
        
       
           SELECT COUNT(1) AS allCount
           FROM
           
           driver_coupon a
           LEFT JOIN open_api_coupon_source b ON b.id= a.openapi_rela_id AND b.dealer_id= #{dealerId,jdbcType=BIGINT}
           LEFT JOIN sys_user c ON a.user_id=c.user_id
           LEFT JOIN sys_user f ON a.shop_id=f.user_id
           WHERE a.dealer_id= #{dealerId,jdbcType=BIGINT}
        
       AND a.`status` != 99
       
           AND a.shop_id=#{shopId,jdbcType=BIGINT}
       
       
           AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
       
       
           AND a.`status` = #{couponStatus,jdbcType=TINYINT}
       
       
           AND a.coupon_type = #{couponRuleType,jdbcType=TINYINT}
       
           
           

       
           AND c.mobile_phone =#{mobilePhone,jdbcType=VARCHAR}
       
       
           AND a.operate_id = #{operateId,jdbcType=BIGINT}
       
       
           AND b.id =#{sourceId,jdbcType=BIGINT}
       

       UNION ALL
       SELECT COUNT(1) AS allCount
       FROM
           
           visit_car_info a, dealer_user_rela b
       LEFT JOIN sys_user f ON b.user_id=f.user_id
       WHERE a.type= 1
       AND a.is_delete=0
       AND b.dealer_id=a.dealer_id
       AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
       
           AND b.user_id=#{shopId,jdbcType=BIGINT}
       
       
           AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
       
       
           AND a.`status` = #{couponStatus,jdbcType=TINYINT}
       
       
           AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
       
           
           

       
           AND a.phone =#{mobilePhone,jdbcType=VARCHAR}
       
       
           AND a.user_id = #{operateId,jdbcType=BIGINT}
       
        
       
           AND a.type= 99
       
   

   
       UNION ALL
   

   
        
            
                
                SELECT COUNT(1) AS allCount
                FROM
                
                offline_coupon a
                LEFT JOIN sys_user d ON a.shop_id=d.user_id
                WHERE a.`status` = 1
                AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
                
                    AND a.shop_id=#{shopId,jdbcType=BIGINT}
                
                
                    AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
                
                
                    AND a.`status` = #{couponStatus,jdbcType=TINYINT}
                
                
                    AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
                

                
                

                
                    AND a.operate_id = #{operateId,jdbcType=BIGINT}
                
                UNION ALL
            
            SELECT COUNT(1) AS allCount
            FROM
            
            charge_coupon_info b
            INNER JOIN offline_coupon a on a.coupon_code = b.coupon_code
            LEFT JOIN charge_info e ON b.charge_id =e.charge_id
            LEFT JOIN sys_user d ON e.user_id=d.user_id
            LEFT JOIN sys_user f ON a.shop_id = f.user_id
            WHERE a.`status` = 1
            AND a.dealer_id = b.dealer_id
            AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
            
            AND b.coupon_type=0
            
                AND a.shop_id=#{shopId,jdbcType=BIGINT}
            
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.`status` = #{couponStatus,jdbcType=TINYINT}
            
            
                AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
            

            
            

            
                AND d.mobile_phone =#{mobilePhone,jdbcType=VARCHAR}
            
            
                AND a.operate_id = #{operateId,jdbcType=BIGINT}
            
            
                UNION ALL
                SELECT COUNT(1) AS allCount
                FROM
                
                offline_coupon a
                LEFT JOIN sys_user f ON a.shop_id = f.user_id
                WHERE a.`status` != 1
                AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
                
                    AND a.shop_id=#{shopId,jdbcType=BIGINT}
                
                
                    AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
                
                
                    AND a.`status` = #{couponStatus,jdbcType=TINYINT}
                
                
                    AND a.free_type = #{couponRuleType,jdbcType=TINYINT}
                

                
                

                
                    AND a.operate_id = #{operateId,jdbcType=BIGINT}
                
            
        
        
            UNION ALL
            SELECT COUNT(1) AS allCount
            FROM (
            SELECT COUNT(a.charge_id)
            FROM
            
            charge_info a,dealer_user_rela i
            LEFT JOIN sys_user f ON f.user_id=i.user_id
            WHERE a.dealer_id=i.dealer_id
            AND a.dealer_id= #{dealerId,jdbcType=BIGINT}
            AND a.coupon_code IS NOT NULL
            AND a.coupon_code != ''
            AND a.coupon_code != 'charge_coupon_info'
            AND NOT EXISTS (SELECT 1 FROM driver_coupon b WHERE a.dealer_id = b.dealer_id AND a.coupon_code
            = b.coupon_no)
            AND NOT EXISTS (SELECT 1 FROM offline_coupon c WHERE a.dealer_id = c.dealer_id AND a.coupon_code
            = c.coupon_code)
            AND NOT EXISTS (SELECT 1 FROM visit_car_info d WHERE a.dealer_id = d.dealer_id AND a.coupon_code =
            d.coupon_no)
            
                AND a.pay_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
            

            GROUP BY a.coupon_code
            ) ci
        
        )aa

    

    
    

        
            
            SELECT count(1) coupon_count, IFNULL(sum(a.free_price),0) deduct_money, b.user_id shop_id, a.`status`
            coupon_status, 11 coupon_mode
            FROM visit_car_info a, dealer_user_rela b
            WHERE a.type= 1
            AND a.is_delete=0
            AND a.free_type=0
            AND a.dealer_id = b.dealer_id
            AND a.dealer_id=#{dealerId,jdbcType=BIGINT}
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.free_type=#{couponRuleType,jdbcType=TINYINT}
            
            GROUP BY b.user_id, a.`status`
            UNION ALL
            
            SELECT count(1) coupon_count, 0 deduct_money, b.user_id shop_id, a.`status` coupon_status, 11 coupon_mode
            FROM visit_car_info a, dealer_user_rela b
            WHERE a.type= 1
            AND a.is_delete=0
            AND a.free_type!=0
            AND a.dealer_id = b.dealer_id
            AND a.dealer_id=#{dealerId,jdbcType=BIGINT}
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.free_type=#{couponRuleType,jdbcType=TINYINT}
            
            GROUP BY b.user_id, a.`status`
            UNION ALL
            
            SELECT IFNULL(SUM(a.rest_count),0) coupon_count, 0 deduct_money, a.shop_id, 2 coupon_status, 11 coupon_mode
            FROM qrcode_coupon a
            WHERE a.`status`=0
            AND a.dealer_id=#{dealerId,jdbcType=BIGINT}
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.coupon_type=#{couponRuleType,jdbcType=TINYINT}
            
            GROUP BY a.shop_id
            UNION ALL
            
            SELECT count(1) coupon_count, IFNULL(sum(a.deduct_money),0) deduct_money, a.shop_id,
            a.`status` coupon_status, 11 coupon_mode
            FROM driver_coupon a
            WHERE a.dealer_id=#{dealerId,jdbcType=BIGINT}
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.coupon_type=#{couponRuleType,jdbcType=TINYINT}
            
            GROUP BY a.shop_id, a.`status`
        

        
            UNION ALL
        

        
            SELECT count(1) coupon_count, IFNULL(sum(a.deduct_money),0) deduct_money, a.shop_id, a.status coupon_status,
            22 coupon_mode
            FROM offline_coupon a
            WHERE a.dealer_id = #{dealerId,jdbcType=BIGINT}
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.free_type=#{couponRuleType,jdbcType=TINYINT}
            
            GROUP BY a.shop_id, a.status

            
                UNION ALL
                SELECT count(1) coupon_count, IFNULL(sum(coupon_use_money),0) deduct_money, '-1' shop_id, 1
                coupon_status, 22 coupon_mode
                FROM (
                SELECT IFNULL(sum(a.deduct_money),0) coupon_use_money
                FROM charge_info a
                WHERE a.dealer_id = #{dealerId,jdbcType=BIGINT}
                AND a.coupon_code IS NOT NULL
                AND a.coupon_code != 'charge_coupon_info'
                AND a.coupon_code != ''
                AND a.pay_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
                AND NOT EXISTS (SELECT 1 FROM driver_coupon b WHERE a.dealer_id = b.dealer_id AND a.coupon_code =
                b.coupon_no)
                AND NOT EXISTS (SELECT 1 FROM offline_coupon c WHERE a.dealer_id = c.dealer_id AND a.coupon_code =
                c.coupon_code)
                AND NOT EXISTS (SELECT 1 FROM visit_car_info d WHERE a.dealer_id = d.dealer_id AND a.coupon_code =
                d.coupon_no)
                GROUP BY a.coupon_code

                ) ck
            
        
    

    
        
    

    

        select sum(money) money from (
        
        
            select IFNULL(sum(collect_money),0) money
            from qrcode_coupon a
            where a.dealer_id=#{dealerId,jdbcType=BIGINT}
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.coupon_type=#{couponRuleType,jdbcType=TINYINT}
            
        
        
            union all
        
        
        
            select IFNULL(sum(price),0) money
            from offline_coupon_accredit a
            where a.dealer_id=#{dealerId,jdbcType=BIGINT}
            
                AND a.create_time between #{bgnTime,jdbcType=TIMESTAMP} and #{endTime,jdbcType=TIMESTAMP}
            
            
                AND a.free_type=#{couponRuleType,jdbcType=TINYINT}
            
        
        )b
    

    
    

        
        
            select a.user_id,a.name
            from sys_user a,
            dealer_user_rela b
            where a.is_delete = 0
            and a.user_id= b.user_id
            and user_type = #{userType,jdbcType=TINYINT}
        

        
        
            select a.user_id, a.name
            from sys_user a,
            dealer_user_rela b
            where a.is_delete = 0
            and a.user_id= b.user_id
            and a.user_id = #{userId,jdbcType=BIGINT}

            union

            select user_id, name
            from sys_user
            where is_delete = 0
            and parent_user_id = #{parentUserId,jdbcType=BIGINT}
            and user_type = #{userType,jdbcType=TINYINT}
            and is_merchant = #{isMerchant,jdbcType=TINYINT}

        

        
        
            select user_id,name
            from sys_user
            where is_delete = 0
            and user_id = #{userId,jdbcType=BIGINT}