MYCAT 分库分表使用问题(数据问题)
SELECT
t_result.date_mark,
t_result.region_code,
t_result.area_code,
t_result.bill_code,
t_result.holding_unit_id,
t_result.holding_unit_code,
IFNULL(SUM(t_result.valid_amount),0) valid_amount,
IFNULL(SUM(t_result.valid_count),0) valid_count,
IFNULL(SUM(t_result.invalid_amount),0) invalid_amount,
IFNULL(SUM(t_result.invalid_count), 0) invalid_count,
IFNULL(SUM(t_result.print_count), 0) print_count,
IFNULL(SUM(t_result.print_amount), 0) print_amount,
0 refund_count,
0.00 refund_amount
FROM (
/*正票*/
SELECT
DATE_FORMAT(bill_common.create_time,"%Y%m%d%H") date_mark,
SUBSTRING(bill_common.id1, 1, 4) region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code bill_code,
COUNT(1) valid_count,
SUM(bill_common.total_amount) valid_amount,
NULL invalid_count,
NULL invalid_amount,
NULL print_count,
NULL print_amount
FROM
feb_bill_common bill_common
GROUP BY
date_mark,
region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code
UNION ALL
/*废票*/
SELECT
DATE_FORMAT(bill_common.cancel_dt,"%Y%m%d%H") date_mark,
SUBSTRING(bill_common.id1, 1, 4) region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code bill_code,
NULL valid_count,
NULL valid_amount,
COUNT(1) invalid_count,
SUM(bill_common.total_amount) invalid_amount,
NULL print_count,
NULL print_amount
FROM
feb_bill_common bill_common
WHERE
bill_common.cancel_flag =1
GROUP BY
date_mark,
region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code
UNION ALL
/*打印*/
SELECT
DATE_FORMAT(bill_common.print_dt,"%Y%m%d%H") date_mark,
SUBSTRING(bill_common.id1, 1, 4) region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code bill_code,
NULL valid_count,
NULL valid_amount,
NULL invalid_count,
NULL invalid_amount,
COUNT(1) print_count,
SUM(bill_common.total_amount) print_amount
FROM
feb_bill_common bill_common
WHERE
bill_common.print_num>0
GROUP BY
date_mark,
region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code
)t_result
WHERE t_result.date_mark={date_mark}
GROUP BY
t_result.date_mark,
t_result.region_code,
t_result.area_code,
t_result.bill_code,
t_result.holding_unit_id,
t_result.holding_unit_code在mycat环境下查询分库分表 feb_bill_common结果 数据多|| 少 ，db说不能使用 查询最外层不能使用group by ，否则会有问题
SELECT 'MEDICAL' industry_type,
r.date_mark,
r.region_code,
r.area_code,
r.bill_code,
r.holding_unit_id,
r.holding_unit_code,
r.valid_amount,
r.valid_count,
r.invalid_amount,
r.invalid_count,
r.print_count,
r.print_amount,
r.refund_count,
r.refund_amount FROM (
SELECT
t_result.date_mark,
t_result.region_code,
t_result.area_code,
t_result.bill_code,
t_result.holding_unit_id,
t_result.holding_unit_code,
IFNULL(SUM(t_result.valid_amount),0) valid_amount,
IFNULL(SUM(t_result.valid_count),0) valid_count,
IFNULL(SUM(t_result.invalid_amount),0) invalid_amount,
IFNULL(SUM(t_result.invalid_count), 0) invalid_count,
IFNULL(SUM(t_result.print_count), 0) print_count,
IFNULL(SUM(t_result.print_amount), 0) print_amount,
0 refund_count,
0.00 refund_amount
FROM (
/*正票*/
SELECT
DATE_FORMAT(bill_common.create_time,"%Y%m%d%H") date_mark,
SUBSTRING(bill_common.id1, 1, 4) region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code bill_code,
COUNT(1) valid_count,
SUM(bill_common.total_amount) valid_amount,
NULL invalid_count,
NULL invalid_amount,
NULL print_count,
NULL print_amount
FROM
feb_bill_common bill_common
GROUP BY
date_mark,
region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code
UNION ALL
/*废票*/
SELECT
DATE_FORMAT(bill_common.cancel_dt,"%Y%m%d%H") date_mark,
SUBSTRING(bill_common.id1, 1, 4) region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code bill_code,
NULL valid_count,
NULL valid_amount,
COUNT(1) invalid_count,
SUM(bill_common.total_amount) invalid_amount,
NULL print_count,
NULL print_amount
FROM
feb_bill_common bill_common
WHERE
bill_common.cancel_flag =1
GROUP BY
date_mark,
region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code
UNION ALL
/*打印*/
SELECT
DATE_FORMAT(bill_common.print_dt,"%Y%m%d%H") date_mark,
SUBSTRING(bill_common.id1, 1, 4) region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code bill_code,
NULL valid_count,
NULL valid_amount,
NULL invalid_count,
NULL invalid_amount,
COUNT(1) print_count,
SUM(bill_common.total_amount) print_amount
FROM
feb_bill_common bill_common
WHERE
bill_common.print_num>0
GROUP BY
date_mark,
region_code,
bill_common.holding_unit_id,
bill_common.holding_unit_code,
bill_common.area_code,
bill_common.format_code
)t_result
WHERE t_result.date_mark={date_mark}
GROUP BY
t_result.date_mark,
t_result.region_code,
t_result.area_code,
t_result.bill_code,
t_result.holding_unit_id,
t_result.holding_unit_code
)r 解决方案是在最外层包上一层 SELECT ... FROM ()r 把原SQL 放入 子查询中