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Query optimization and index suggestion needed
Posted by: Pandit P
Date: September 09, 2020 10:01AM

Hello,

I have a complex query which gets built dynamically for a monthly drill down report. My table has 28326649 records and it is increasing daily. Table has 14 partitions for different units.

[

SELECT 'CA Total' as 'target', concat_ws(' - ', client_number, customer) as customerDetails,
IFNULL(ROUND(((IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-09-07' THEN gross_amount ELSE 0 END), 0), 0) / 193758992) * 100), 2), 0) as 'weight',
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-01-31' THEN gross_amount ELSE 0 END), 0), 0) as '2020_January',
CASE WHEN DATEDIFF('2020-01-31', '2020-01-01') < DAY(LAST_DAY('2020-01-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-01-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-01-01' and '2019-01-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-01-01','2019-01-31',2)) * Working_Days('2020-01-01','2020-01-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-01-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-01-01' and '2019-01-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-01-01','2019-01-31',2)) * Working_Days('2020-01-01','2020-01-31',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-01-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-01-01' and '2019-01-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-01-01','2019-01-31',2)) * Working_Days('2020-01-01','2020-01-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-01-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-01-01' and '2019-01-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-01-01','2019-01-31',2)) * Working_Days('2020-01-01','2020-01-31',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_January'
,
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-02-01' and '2020-02-29' THEN gross_amount ELSE 0 END), 0), 0) as '2020_February',
CASE WHEN DATEDIFF('2020-02-29', '2020-02-01') < DAY(LAST_DAY('2020-02-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-02-01' and '2020-02-29' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-02-01' and '2019-02-28' THEN gross_amount ELSE 0 END) / Working_Days('2019-02-01','2019-02-28',2)) * Working_Days('2020-02-01','2020-02-29',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-02-01' and '2020-02-29' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-02-01' and '2019-02-28' THEN gross_amount ELSE 0 END) / Working_Days('2019-02-01','2019-02-28',2)) * Working_Days('2020-02-01','2020-02-29',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-02-01' and '2020-02-29' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-02-01' and '2019-02-28' THEN gross_amount ELSE 0 END) / Working_Days('2019-02-01','2019-02-28',2)) * Working_Days('2020-02-01','2020-02-29',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-02-01' and '2020-02-29' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-02-01' and '2019-02-28' THEN gross_amount ELSE 0 END) / Working_Days('2019-02-01','2019-02-28',2)) * Working_Days('2020-02-01','2020-02-29',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_February'
,
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-03-01' and '2020-03-31' THEN gross_amount ELSE 0 END), 0), 0) as '2020_March',
CASE WHEN DATEDIFF('2020-03-31', '2020-03-01') < DAY(LAST_DAY('2020-03-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-03-01' and '2020-03-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-03-01' and '2019-03-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-03-01','2019-03-31',2)) * Working_Days('2020-03-01','2020-03-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-03-01' and '2020-03-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-03-01' and '2019-03-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-03-01','2019-03-31',2)) * Working_Days('2020-03-01','2020-03-31',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-03-01' and '2020-03-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-03-01' and '2019-03-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-03-01','2019-03-31',2)) * Working_Days('2020-03-01','2020-03-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-03-01' and '2020-03-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-03-01' and '2019-03-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-03-01','2019-03-31',2)) * Working_Days('2020-03-01','2020-03-31',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_March'
,
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-04-01' and '2020-09-09' THEN gross_amount ELSE 0 END), 0), 0) as '2020_April',
CASE WHEN DATEDIFF('2020-09-09', '2020-04-01') < DAY(LAST_DAY('2020-04-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-04-01' and '2020-09-09' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-04-01' and '2019-04-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-04-01','2019-04-30',2)) * Working_Days('2020-04-01','2020-09-09',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-04-01' and '2020-09-09' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-04-01' and '2019-04-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-04-01','2019-04-30',2)) * Working_Days('2020-04-01','2020-09-09',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-04-01' and '2020-09-09' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-04-01' and '2019-04-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-04-01','2019-04-30',2)) * Working_Days('2020-04-01','2020-09-09',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-04-01' and '2020-09-09' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-04-01' and '2019-04-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-04-01','2019-04-30',2)) * Working_Days('2020-04-01','2020-09-09',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_April',
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-05-01' and '2020-05-31' THEN gross_amount ELSE 0 END), 0), 0) as '2020_May',
CASE WHEN DATEDIFF('2020-05-31', '2020-05-01') < DAY(LAST_DAY('2020-05-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-05-01' and '2020-05-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-05-01' and '2019-05-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-05-01','2019-05-31',2)) * Working_Days('2020-05-01','2020-05-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-05-01' and '2020-05-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-05-01' and '2019-05-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-05-01','2019-05-31',2)) * Working_Days('2020-05-01','2020-05-31',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-05-01' and '2020-05-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-05-01' and '2019-05-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-05-01','2019-05-31',2)) * Working_Days('2020-05-01','2020-05-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-05-01' and '2020-05-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-05-01' and '2019-05-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-05-01','2019-05-31',2)) * Working_Days('2020-05-01','2020-05-31',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_May',
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-06-01' and '2020-06-30' THEN gross_amount ELSE 0 END), 0), 0) as '2020_June',
CASE WHEN DATEDIFF('2020-06-30', '2020-06-01') < DAY(LAST_DAY('2020-06-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-06-01' and '2020-06-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-06-01' and '2019-06-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-06-01','2019-06-30',2)) * Working_Days('2020-06-01','2020-06-30',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-06-01' and '2020-06-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-06-01' and '2019-06-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-06-01','2019-06-30',2)) * Working_Days('2020-06-01','2020-06-30',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-06-01' and '2020-06-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-06-01' and '2019-06-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-06-01','2019-06-30',2)) * Working_Days('2020-06-01','2020-06-30',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-06-01' and '2020-06-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-06-01' and '2019-06-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-06-01','2019-06-30',2)) * Working_Days('2020-06-01','2020-06-30',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_June',
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-07-01' and '2020-07-31' THEN gross_amount ELSE 0 END), 0), 0) as '2020_July',
CASE WHEN DATEDIFF('2020-07-31', '2020-07-01') < DAY(LAST_DAY('2020-07-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-07-01' and '2020-07-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-07-01' and '2019-07-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-07-01','2019-07-31',2)) * Working_Days('2020-07-01','2020-07-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-07-01' and '2020-07-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-07-01' and '2019-07-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-07-01','2019-07-31',2)) * Working_Days('2020-07-01','2020-07-31',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-07-01' and '2020-07-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-07-01' and '2019-07-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-07-01','2019-07-31',2)) * Working_Days('2020-07-01','2020-07-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-07-01' and '2020-07-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-07-01' and '2019-07-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-07-01','2019-07-31',2)) * Working_Days('2020-07-01','2020-07-31',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_July',
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-08-01' and '2020-08-31' THEN gross_amount ELSE 0 END), 0), 0) as '2020_August',
CASE WHEN DATEDIFF('2020-08-31', '2020-08-01') < DAY(LAST_DAY('2020-08-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-08-01' and '2020-08-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-08-01' and '2019-08-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-08-01','2019-08-31',2)) * Working_Days('2020-08-01','2020-08-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-08-01' and '2020-08-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-08-01' and '2019-08-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-08-01','2019-08-31',2)) * Working_Days('2020-08-01','2020-08-31',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-08-01' and '2020-08-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-08-01' and '2019-08-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-08-01','2019-08-31',2)) * Working_Days('2020-08-01','2020-08-31',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-08-01' and '2020-08-31' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-08-01' and '2019-08-31' THEN gross_amount ELSE 0 END) / Working_Days('2019-08-01','2019-08-31',2)) * Working_Days('2020-08-01','2020-08-31',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_August'
,
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-09-01' and '2020-09-30' THEN gross_amount ELSE 0 END), 0), 0) as '2020_September',
CASE WHEN DATEDIFF('2020-09-30', '2020-09-01') < DAY(LAST_DAY('2020-09-01')) THEN
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-09-01' and '2020-09-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-09-01' and '2019-09-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-09-01','2019-09-30',2)) * Working_Days('2020-09-01','2020-09-07',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-09-01' and '2020-09-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-09-01' and '2019-09-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-09-01','2019-09-30',2)) * Working_Days('2020-09-01','2020-09-07',2))) * 100), 2), 0) END
ELSE
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-09-01' and '2020-09-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-09-01' and '2019-09-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-09-01','2019-09-30',2)) * Working_Days('2020-09-01','2020-09-07',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-09-01' and '2020-09-30' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-09-01' and '2019-09-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-09-01','2019-09-30',2)) * Working_Days('2020-09-01','2020-09-07',2))) * 100), 2), 0) END
END as 'historicalPerformance2020_September' ,
IFNULL(ROUND(SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-09-07' THEN gross_amount ELSE 0 END), 0), 0) as Total,
CASE WHEN (IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-09-07' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-01-01' and '2019-09-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-01-01','2019-09-30',2)) * Working_Days('2020-01-01','2020-09-07',2))) * 100), 2), 0)) < 0 THEN 9999 ELSE
IFNULL(ROUND(((SUM(CASE WHEN report_date BETWEEN '2020-01-01' and '2020-09-07' THEN gross_amount ELSE 0 END) /
((SUM(CASE WHEN report_date BETWEEN '2019-01-01' and '2019-09-30' THEN gross_amount ELSE 0 END) / Working_Days('2019-01-01','2019-09-30',2)) * Working_Days('2020-01-01','2020-09-07',2))) * 100), 2), 0) END as TotalHistoricalPerf,
0 AS isQty
FROM sales_report WHERE
report_date between '2019-01-01' and '2020-09-07'
group by cust_id order by NULL;


]


I have created a composite index on "cust_id, client_number, customer, report_date, gross_amount" columns. And when execute the Explain plan, I get


id select_type table partitions type possible_keys key key_len ref rows filtered Extra
1 SIMPLE sales_report sr_p1,sr_p2,…...,sr_p14 index sr_mv_custid_clntnum_customer_rptdte_grssamnt sr_mv_custid_clntnum_customer_rptdte_grssamnt 1223 (null) 27870117 50 Using where; Using index

Query is taking almost 4 minutes. Though it says index getting used it is not helping me.


Please help.

Thanks
Praveen

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Query optimization and index suggestion needed
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