I am stuck in a query I want to store sum result in a variable where status = 3, what happening right now is it store the value of last row and show it with all rows
Here is the query
SELECT
request_made_on,driver_id,
#sum_result = SUM(status = 3) AS complete_count,#sum_result,
SUM(status = 6) AS missed_count,
(status = 4) AS canceled_count,
sum(actual_fare),sum(discount)
from tb_engagements
group by date(request_made_on),driver_id;
and here is the screenshot,
second screenshot
I'm guessing that you want the sum of all the values:
select request_made_on, driver_id,
(#sum_result := #sum_result + SUM(status = 3)) AS complete_count,
sum(status = 6) AS missed_count,
sum(status = 4) AS canceled_count,
sum(actual_fare),
sum(discount)
from tb_engagements c cross join
(select #sum_result := 0) params
group by date(accept_time), driver_id;
Notes:
You don't need to return the value of the variable as well as the expression. The expression adds a column to the result set with the value.
You don't need if() to count values. MySQL has a nice short-hand, treating boolean expressions as integers in a numeric context.
Related
I got the following table and I need to return 1 if all rows have disponibilidad = 1
The following QUERY works just fine, but i was looking for a more efficient way of doing it.
QUERY:
SELECT IF(AVG(disponibilidad) < 1, 0, 1) AS newResult
FROM pasteleria.compone
RIGHT JOIN pasteleria.ingredientes
ON pasteleria.compone.id_ingrediente = pasteleria.ingredientes.id_ingrediente
WHERE id_componente = 1;
RESULT:
As I see it, with an 'AND' it would be far more efficient, since it wouldn't have to do AVG().
MySql does not support a boolean AND aggregate function like Postgresql's bool_and.
Why not a simple MIN():
SELECT MIN(disponibilidad) AS newResult
FROM pasteleria.compone
RIGHT JOIN pasteleria.ingredientes
ON pasteleria.compone.id_ingrediente = pasteleria.ingredientes.id_ingrediente
WHERE id_componente = 1;
This will return 1 only if all values of the column are 1 (provided the column is not nullable) and 0 if there is at least one row with 0.
How about something like
SELECT IF(COUNT(*)>0,0,1) AS newResult
FROM pasteleria.compone
RIGHT JOIN pasteleria.ingredientes
ON pasteleria.compone.id_ingrediente = pasteleria.ingredientes.id_ingrediente
WHERE id_componente = 1
AND disponibilidad <> 1
so that if there are any rows where disponibilidad is not 1, you output 0, otherwise if it's zero (so all disponibilidad values are 1) you output 1?
I"m trying to add a new col that shows the rank (or sequence) of row results by date.
I've written:
SELECT
#row_number:=(CASE
WHEN #member_id = lh.member_id and lc.ladder_advocacy is not null
THEN #row_number + 1
when #member_id = lh.member_id and lc.ladder_advocacy is null then "null"
ELSE 1 /* there is an error here - i need it to return a 1 if not null, then 2 for the 2nd instance, etc */
END) AS rank_advocacy,
#member_id:=lh.member_id AS member_id,
lh.ladder_change,
lc.name,
lc.ladder_advocacy,
lc.ladder_elected,
lc.ladder_policy,
lc.ladder_engagement,
lc.ladder_newventure,
lc.ladder_collective,
lc.is_trigger
FROM
leenk_ladder_history AS lh
LEFT JOIN
leeds_so.leenk_ladder_config AS lc ON lh.ladder_config_id = lc.id
WHERE
ladder_change = 1 AND trigger_active = 1
ORDER BY member_id, trigger_event_date DESC;
There is an error at row 4, and I'm not sure how to fix it. For the first result, I want to return 1. for the second results, I want to return #row_number + 1. Third result, #row_number+2 (etc).
How do I achieve this?
I don't understand how the condition lc.ladder_advocacy is not null is being used. However, the basic structure is:
SELECT (#row_number = IF(#member_id = lh.member_id, #row_number + 1
IF(#member_id := lh.member_id, 1, 1)
)
) as rank_advocacy,
lh.ladder_change,
. . .
Some really important points:
You need to assign #member_id and #row_number in the same expression. MySQL (as with all other databases) does not guarantee the order of evaluation of expressions.
In more recent versions of MySQL, I think the ORDER BY needs to go in a subquery, with the variable expressions in the outer query.
INSERT INTO JOB_AUDIT_HDR_LOG (APP_NM,BTCH_NUM,BTCH_RUN_STRT_TM,BTCH_RUN_STS_CD)
SELECT ? AS app_nm,
COALESCE(btch_num, 0) + 1 AS batch_num,
Now(),
'RUNNING'
FROM (SELECT 1) Dt1
LEFT OUTER JOIN(SELECT app_nm,
MAX(btch_num) AS btch_num
FROM gmicntrldb.JOB_AUDIT_HDR_LOG
WHERE app_nm = ?
GROUP BY app_nm)Dt2
ON 1 = 1;
While am running this query getting an error like Parameter index out of range (1 > number of parameters, which is 0).
You have 2 ?, which means you need to pass in a parameter array with entries for [0], and [1]. Looks like you're passing in only 1 (or maybe 0) parameters in your param array?
See the SQL query below:
SELECT *
FROM
(SELECT
h.hotel_id AS id,h.hotel_city AS city,h.hotel_name AS hotelname,
h.hotel_star AS hotelcat, hwd.double_spl_rate, hwd.third_party_rate,
hwd.extra_bed_spl_rate, hwd.meal_plan_spl,
hwd.third_party_extra_bed, hwd.third_party_meal_plan,
hwd.room_category, hrd.hotel_rate_from, hrd.hotel_rate_to
FROM
hotels_list AS h
INNER JOIN
hotel_rate_detail AS hrd ON h.hotel_id = hrd.hotels_id
INNER JOIN
hotel_week_days AS hwd ON hrd.hotel_id = hwd.h_id
WHERE
(('2015-07-31' BETWEEN hrd.hotel_rate_from AND hrd.hotel_rate_to)
OR
('2015-08-01' BETWEEN hrd.hotel_rate_from AND hrd.hotel_rate_to)
)
AND (h.hotel_city = '1')
AND (hwd.double_spl_rate != 0 OR hwd.third_party_rate != 0)
AND (h.hotel_star = '4')
ORDER BY
hwd.double_spl_rate, hwd.third_party_rate ASC) AS result_table
GROUP BY
result_table.id
ORDER BY
result_table.double_spl_rate, result_table.third_party_rate ASC
LIMIT 0,5;
OUTPUT is attached below:
In the above output there are two columns double_spl_rate and third_party_rate which can be either 0 or a value greater than zero.
How can I create a virtual column alias which only contain values greater the zero. Let us suppose the column is final_rate which will contain values as
id | final_rate
533 | 3776
9228 | 3000
Yes, you can do this like so:
select
id,
case
when coalesce(double_spl_rate,0) = 0
then third_party_rate
else double_spl_rate
end as final_rate
from table
The coalesce operator will set double_spl_rate to 0 if it's null, and the case expression will return third_party_rate if double_spl_rate is 0.
If double_spl_rate cannot be null you can skip the coalesce part.
Note that the code above will always prefer the value in double_spl_rate and disregard the other value if both values are greater than 0. If you don't want this you could extend the logic in the case expression to account for that and return the sum of the values instead. Or you could simply just return third_party_rate + double_spl_rate in all cases.
I have a mysql query where I need to calculate values like ROUND(SUM(temp.total_pq),2) multiple times, so I defined variables to avoid repeating them.
But the line 5 in the query returns wrong value in the results. The value for #diff_client_partner_qtty := ROUND((#partner_qtty_all_runs - #client_qtty_all_runs), 2) AS diff_client_partner_qtty is always NULL the first time I run and thereafter always 84.
I asked the in-house DBA and he says I should not use variables in my query like this because the order in which mysql will set values for the variable is not predictable and hence I may get NULL value.
But why? Also can someone please propose then another way whereby I can avoid rewriting ROUND(SUM(temp.total_pq),2) multiple times other than a subquery. I would prefer to avoid a subquery because I think even in its current form query is not that readable.
SELECT temp.dtaccounted AS accounting_period,
#partner_qtty_all_runs := ROUND(SUM(temp.total_pq),2) AS partner_qtty_all_runs,
ROUND(temp.mmq,2) AS mopay_qtty,
#client_qtty_all_runs := ROUND(SUM(temp.total_cq),2) AS client_qtty_all_runs,
#diff_client_partner_qtty := ROUND((#partner_qtty_all_runs - #client_qtty_all_runs), 2) AS diff_client_partner_qtty,
#partner_gtv := ROUND(temp.total_pq_gtv, 2) AS partner_gtv,
#client_gtv := ROUND(temp.total_cq_gtv,2) AS client_gtv,
#diff_client_partner_gtv := ROUND((#partner_gtv - #client_gtv), 2) AS diff_client_partner_gtv,
temp.stariffcurrency AS tariffcurrency,
ROUND(#diff_client_partner_gtv * ffactor, 2) AS diff_client_partner_gtv_eur,
temp.scountry AS country,
temp.spartnererpid AS partner_erp_id,
c.name AS partner_name,
temp.nproducttype AS product,
temp.capping
FROM
(SELECT SUM(npartnerquantity) AS total_pq,
SUM(nmindmaticsquantity) AS mmq,
SUM(nclientquantity) AS total_cq,
SUM(dgrosstariff * npartnerquantity) AS total_pq_gtv,
SUM(dgrosstariff * nclientquantity) AS total_cq_gtv,
nrun,
vb.scountry,
vb.spartnererpid,
dtaccounted,
stariffcurrency,
vb.nproducttype,
cq.bisenabled AS capping
FROM report_table vb,
client_table cq
WHERE vb.accperiod > '2013-12-01'
AND vb.partnerid = cq.partnerid
AND vb.scountry = cq.scountry
AND vb.nproducttype = cq.nproducttype
AND (cq.dtvalidto IS NULL
OR cq.dtvalidto > vb.accperiod)
GROUP BY scountry,
nproducttype,
partnerid,
nrun,
accperiod
) temp,
customer c,
currency_conversion cc
WHERE temp.partnerid = c.erp_id
AND temp.total_pq <> temp.total_cq
AND cc.scurrencyfrom = temp.stariffcurrency
AND cc.scurrencyto = 'EUR'
AND cc.dtrefdate = temp.accperiod
GROUP BY temp.scountry,
temp.partnerid,
c.name,
temp.nproducttype,
temp.accperiod
ORDER BY temp.accperiod,
temp.scountry,
temp.partnerid,
temp.nproducttype,
temp.capping \G;