I have this table:
I want to workout how many bus journeys per hour are operated by Bond Brothers
and the expected results is 7 per hour
My questions is how do I add up values that contain strings?
SELECT Operator, SUM(Frequency) AS “Total Frequency”
FROM Bus Routes
I don't think this would work would it?
Thanks
for that
declare #table as table (
group_id int,
content varchar(100)
)
insert into #table values (2, '2 per hour')
insert into #table values (1, '1 per hour')
insert into #table values (1, '6 per hour')
insert into #table values (1, '')
insert into #table values (3, '9 per hour')
insert into #table values (3, null)
select * from #table
do
select t.group_id, SUM(t.content) content_sum
from (select group_id, convert(int, REPLACE(content, ' per hour', ''))
content from #table) t
group by t.group_id
Borrowing from this How to get the numeric part from a string using T-SQL?, you could do something like this (note the cast to an integer):
SELECT Operator, SUM(CAST(left(Frequency, patindex('%[^0-9]%', Frequency+'.') - 1) AS INT))
FROM
(VALUES
('2 per hour','Ok Travel')
,('6 per hour','Diamond Buses')
,('1 per hour','Bond Brothers')
,('6 per hour','Bond Brothers')
,('','Diamond Buses')
) BusRulles(Frequency,Operator)
GROUP BY Operator
WITH CTE AS(
SELECT ts.Destination ,
CONVERT(INT,REPLACE(ts.Frequency, ' per hour','')) AS Frequency ,
ts.Operator ,
ts.[Route Number] ,
ts.Start
FROM dbo.temp_Sqlcheck ts
WHERE ts.Frequency IS NOT NULL OR ts.Frequency <>''
)
SELECT CTE.Operator, SUM(CTE.Frequency) AS Frequency from CTE
GROUP BY CTE.Operator
This will not count NULL or Blank values in Frequency.
Related
I have a varchar column, populated by another process where I have no control over, that is filled with comma separated values.
Now I need to find all rows where part of this column exists in that same column, in another row
example
declare #table table (value varchar(50))
insert into #table values ('NB,BD,FR'), ('BD,GK'), ('SL,SR')
select * from #table
so the table contains
value
-----
NB,BD,FR
BD,GK
SL,SR
from the example above I would like to get
value
-----
NB,BD,FR
BD,GK
Because there is a value (in this case BD but can be anything) present in both rows
Can this be done in sql?
You could use clunky XML manipulation to convert comma separated values to rows:
DECLARE #table TABLE (value VARCHAR(50));
INSERT INTO #table VALUES
('NB,BD,FR'),
('BD,GK'),
('SL,SR');
WITH cte AS (
SELECT value, node.value('.', 'varchar(10)') AS substr
FROM #table
CROSS APPLY (SELECT CAST('<x>' + REPLACE(value, ',', '</x>,<x>') + '</x>' AS XML)) AS x(doc)
CROSS APPLY doc.nodes('/x') AS n(node)
)
-- use your favorite technique to find the duplicate
SELECT value
FROM cte AS m
WHERE EXISTS (
SELECT 1
FROM cte AS x
WHERE value <> m.value AND substr = m.substr
)
The CAST(... AS XML) part assumes that your data does not contain characters that have special meaning in XML. The nodes method will convert one row to many, rest is straight forward.
This is the wrong data structure. Don't store values in strings!
declare #table table (id int, value varchar(50));
insert into #table
values (1, 'NB'), (1, 'BD'), (1, 'FR'),
(2, 'BD'), (2, 'GK'),
(3, 'SL'), (3, 'SR');
Then you can get what you want using window functions:
select id, value
from (select t.*, max(cnt) over (partition by id) as max_cnt
from (select t.*, count(*) over (partition by value) as cnt
from #table t
) t
) t
where max_cnt >= 2
Hi I currently have a tables with a column that I would like to split.
ID Serial
1 AAA"-A01-AU-234-U_xyz(CY)(REV-002)
2 AAA"-A01-AU-234-U(CY)(REV-1)
3 AAA"-A01-AU-234-U(CY)(REV-101)
4 VVV"-01-AU-234-Z_ww(REV-001)
5 VVV"-01-AU-234-Z(REV-001)_xyz(CY)
6 V-VV"-01-AU-234-Z(REV-03)_xyz(CY)
7 V-VV"-01-AU-234-Z-ZZZ(REV-004)_xyz(CY)
I would like to split this column into 2 field via a select statement
The first field would consist of the text from the start and end when this scenario is satisfied
After the first "-
take all text till the next 3 hypen (-)
Take the first letter after the last hypen(-)
The second field would want to store the Value(Int) inside the (REV) bracket. Rev is always stored inside a compassing bracket (Rev-xxx) the number may stretch from 0-999 and have different form of representation
Example of output
Field 1 Field 2
AAA"-A01-AU-234-U 2
AAA"-A01-AU-234-U 1
AAA"-A01-AU-234-U 101
VVV"-01-AU-234-Z 1
VVV"-01-AU-234-Z 1
V-VV"-01-AU-234-Z 3
V-VV"-01-AU-234-Z 4
Maybe it is possible to make it better and faster, but at least it does work. If i will have some time more i will look at this again to think of better solution, but it do the job.
create table #t
(
id int,
serial nvarchar(255)
)
go
insert into #t values (1, 'AAA"-A01-AU-234-U_xyz(CY)(REV-002)')
insert into #t values (2, 'AAA"-A01-AU-234-U(CY)(REV-1)')
insert into #t values (3, 'AAA"-A01-AU-234-U(CY)(REV-101)')
insert into #t values (4, 'VVV"-01-AU-234-Z_ww(REV-001)')
insert into #t values (5, 'VVV"-01-AU-234-Z(REV-001)_xyz(CY)')
insert into #t values (6, 'VVV"-01-AU-234-Z(REV-03)_xyz(CY)')
insert into #t values (7, 'VVV"-01-AU-234-Z(REV-004)_xyz(CY)')
go
select id, serial,
left(serial,charindex('-', serial, charindex('-', serial, charindex('-', serial, charindex('"',serial) + 2) +1) + 1) + 1) as 'Field2'
,cast( replace(left(right(serial, len(serial) - charindex('REV',serial) +1 ), CHARINDEX(')',right(serial, len(serial) - charindex('REV',serial) +1 )) - 1), 'REV-', '')as int) as 'Field1'
from #t
go
gives me:
id serial Field2 Field1
1 AAA"-A01-AU-234-U_xyz(CY)(REV-002) AAA"-A01-AU-234-U 2
2 AAA"-A01-AU-234-U(CY)(REV-1) AAA"-A01-AU-234-U 1
3 AAA"-A01-AU-234-U(CY)(REV-101) AAA"-A01-AU-234-U 101
4 VVV"-01-AU-234-Z_ww(REV-001) VVV"-01-AU-234-Z 1
5 VVV"-01-AU-234-Z(REV-001)_xyz(CY) VVV"-01-AU-234-Z 1
6 VVV"-01-AU-234-Z(REV-03)_xyz(CY) VVV"-01-AU-234-Z 3
7 VVV"-01-AU-234-Z(REV-004)_xyz(CY) VVV"-01-AU-234-Z 4
I came up with a solution in php using regular expressions.I am trying to convert it into posix standards supported by mysql.Anyways in the meanwhile you can have a look at this and it works perfect.
/The first script select the values for fields 1 namely AAA"-A01-AU-234-U/
<?php
$txt='VVV"-01-AU-234-Z(REV-001)_xyz(CY)';
$re1='((?:[a-z][a-z0-9_]*))';
$re2='.*?';
$re3='(\\d+)';
$re4='.*?';
$re5='((?:[a-z][a-z0-9_]*))';
$re6='.*?';
$re7='(\\d+)';
$re8='.*?';
$re9='([a-z])';
echo $re1.$re2.$re3.$re4.$re5.$re6.$re7.$re8.$re9;
if ($c=preg_match_all ("/".$re1.$re2.$re3.$re4.$re5.$re6.$re7.$re8.$re9."/is", $txt, $matches))
{
$var1=$matches[1][0];
$int1=$matches[2][0];
$var2=$matches[3][0];
$int2=$matches[4][0];
$w1=$matches[5][0];
print "($var1) ($int1) ($var2) ($int2) ($w1) \n";
}
?>
/*The second script selects values for field 2 namely the last integer*/
<?php
$txt='VVV"-01-AU-234-Z_ww(REV-001)';
$re1='.*?';
$re2='\\d';
$re3='.*?';
$re4='\\d';
$re5='.*?';
$re6='\\d';
$re7='.*?';
$re8='\\d';
$re9='.*?';
$re10='\\d';
$re11='.*?';
$re12='\\d';
$re13='.*?';
$re14='\\d';
$re15='(\\d)';
if ($c=preg_match_all ("/".$re1.$re2.$re3.$re4.$re5.$re6.$re7.$re8.$re9.$re10.$re11.$re12.$re13.$re14.$re15."/is", $txt, $matches))
{
$d1=$matches[1][0];
print "($d1) \n";
}
?>
OUTPUT:
(VVV) (01) (AU) (234) (Z) //script 1
(1) //script 2
You can add database connection to the script and store the results in a new table.You can aslo iterate each row as input to the script and store corresponding results in the table.
Note:
The regular expression used for selecting field 1:
((?:[a-z][a-z0-9_]*)).*?(\d+).*?((?:[a-z][a-z0-9_]*)).*?(\d+).*?([a-z])
The regular expression used for selecting field 2:
.*?\d.*?\d.*?\d.*?\d.*?\d.*?\d.*?\d(\d)
If anybody can convert the above expressions to posix standards then the user can write a simple query like
select t.serial as field 1 from table t
where t.serial regexp 'converted exp' join
(select t1.serial as field 2 from table t1
where t1.serial regexp 'converted exp')q
on q.id=t.id;
I tried to convert it but the matching constraints were lost.You should actually change ?: to ^ and ? to [^>] and //d to [0-9] or digit.Hope it helps.
Try this solution. It uses a combination of charindex and the substring function.
DECLARE #TempTable table
(
id int,
serial nvarchar(255)
)
insert into #TempTable values (1, 'AAA"-A01-AU-234-U_xyz(CY)(REV-002)')
insert into #TempTable values (2, 'AAA"-A01-AU-234-U(CY)(REV-1)')
insert into #TempTable values (3, 'AAA"-A01-AU-234-U(CY)(REV-101)')
insert into #TempTable values (4, 'VVV"-01-AU-234-Z_ww(REV-001)')
insert into #TempTable values (5, 'VVV"-01-AU-234-Z(REV-001)_xyz(CY)')
insert into #TempTable values (6, 'VVV"-01-AU-234-Z(REV-03)_xyz(CY)')
insert into #TempTable values (7, 'VVV"-01-AU-234-Z(REV-004)_xyz(CY)')
select
id,
serial,
substring(serial, 1, P4.Pos+1) as field1,
convert(int, substring(Serial, P6.Pos , P7.Pos - P6.Pos)) as field2
from #TempTable
cross apply (select (charindex('-', Serial))) as P1(Pos)
cross apply (select (charindex('-', Serial, P1.Pos+1))) as P2(Pos)
cross apply (select (charindex('-', Serial, P2.Pos+1))) as P3(Pos)
cross apply (select (charindex('-', Serial, P3.Pos+1))) as P4(Pos)
cross apply (select (charindex('REV-', Serial,P1.Pos+1)+4)) as P6(Pos)
--+4 because 'REV-' is 4 chars long
cross apply (select (charindex(')', Serial,P6.Pos+1))) as P7(Pos);
I have updated my answer. Is this better now?
DECLARE #Table table(ID int, SERIAL nvarchar(100));
INSERT INTO #Table(ID, SERIAL)
VALUES ('1', 'AAA"-A01-AU-234-U_xyz(CY)(REV-002)'),
('2', 'AAA"-A01-AU-234-U(CY)(REV-1)'),
('3', 'AAA"-A01-AU-234-U(CY)(REV-101)'),
('4', 'VVV"-01-AU-234-Z_ww(REV-001)'),
('5', 'VVV"-01-AU-234-Z(REV-001)_xyz(CY)'),
('6', 'VVV"-01-AU-234-Z(REV-03)_xyz(CY)'),
('7', 'VVV"-01-AU-234-Z(REV-004)_xyz(CY)'),
('8', 'AAA"-A01-AU-234-U-1111-(REV-111)'),
('9', 'AAA"-A01-AU-234-U-111111-5555(CY)(REV-101)'),
('10', 'V-VV"-01-AU-234-Z-ZZZ(REV-004)_xyz(CY)')
SELECT
ID,
SERIAL,
LEFT(SERIAL, P5.Pos + 1) AS Field1,
CONVERT(int, SUBSTRING(SERIAL, P6.Pos, CHARINDEX(')', RIGHT(SERIAL, LEN(SERIAL) - P6.Pos)))) AS Field2
FROM #Table
CROSS APPLY (SELECT CHARINDEX('"-', SERIAL)) AS P1(Pos)
CROSS APPLY (SELECT CHARINDEX('-', SERIAL, P1.Pos + 1)) AS P2(Pos)
CROSS APPLY (SELECT CHARINDEX('-', SERIAL, P2.Pos + 1)) AS P3(Pos)
CROSS APPLY (SELECT CHARINDEX('-', SERIAL, P3.Pos + 1)) AS P4(Pos)
CROSS APPLY (SELECT CHARINDEX('-', SERIAL, P4.Pos + 1)) AS P5(Pos)
CROSS APPLY (SELECT CHARINDEX('REV-', SERIAL, P5.Pos + 1) + 4) AS P6(Pos)
If I have a team table with a unknown amount of members, is there a way to make the pivot query dynamic?
create table #t (
team varchar (20), member varchar (20)
)
insert into #t values ('ERP', 'Jack')
insert into #t values ('ERP', 'John')
insert into #t values ('ERP', 'Mary')
insert into #t values ('ERP', 'Tim')
insert into #t values ('CRM', 'Robert')
insert into #t values ('CRM', 'Diana')
select * from #t
select team, [1] as teamMember1, /* 1st select */
[2] as teamMember2, [3] as teamMember3
from
(select team , member, row_number () /* 3rd select */
over (partition by team order by team) as rownum
from #t) a
pivot (max(member) for rownum in ([1], [2], [3])) as pvt
drop table #t
Why yes, yes there is. Here's a script I cooked up years ago for a similar problem that was ultimately solved by giving the user Excel and washing my hands of it. I apologize it's not configured with your example data, but hopefully it's easy to follow.
Hope that helps,
John
--------------START QUERY--------------
-- Example Table
CREATE TABLE #glbTestTable
(
ProviderID INT,
Total INT,
PaymentDate SMALLDATETIME
)
--So the dates insert properly
SET DATEFORMAT dmy
-- Populate Example Table
INSERT INTO #glbTestTable VALUES (232, 12200, '12/01/09')
INSERT INTO #glbTestTable VALUES (456, 10200, '12/01/09')
INSERT INTO #glbTestTable VALUES (563, 11899, '02/03/09')
INSERT INTO #glbTestTable VALUES (221, 5239, '13/04/09')
INSERT INTO #glbTestTable VALUES (987, 7899, '02/03/09')
INSERT INTO #glbTestTable VALUES (1, 1234, '02/08/09')
INSERT INTO #glbTestTable VALUES (2, 4321, '02/07/09')
INSERT INTO #glbTestTable VALUES (3, 5555, '02/06/09')
-- Raw Output
SELECT *
FROM #glbTestTable
-- Build Query for Pivot --
DECLARE #pvtColumns VARCHAR(MAX)
SET #pvtColumns = ''
-- Grab up to the first 1023 "Columns" that we want to use in Pivot Table.
-- Tables can only have 1024 columns at a maximum
SELECT TOP 1023 #pvtColumns = #pvtColumns + '[' + CONVERT(VARCHAR, PaymentDate, 103) + '], '
FROM (SELECT DISTINCT PaymentDate FROM #glbTestTable) t_distFP
-- Create PivotTable Query
DECLARE #myQuery VARCHAR(MAX)
SET #myQuery = '
SELECT ProviderID, ' + LEFT(#pvtColumns, LEN(#pvtColumns) - 1) + '
FROM (SELECT ProviderID, PaymentDate, Total
FROM #glbTestTable) AS SourceTable
PIVOT
(
SUM(Total)
FOR PaymentDate IN (' + LEFT(#pvtColumns, LEN(#pvtColumns) - 1) + ')
) AS PivotTable'
-- Run the Pivot Query
EXEC(#myQuery)
-- Cleanup
DROP TABLE #glbTestTable
---------------END QUERY---------------
I'm trying to retrieve the latest set of rows from a source table containing a foreign key, a date and other fields present. A sample set of data could be:
create table #tmp (primaryId int, foreignKeyId int, startDate datetime,
otherfield varchar(50))
insert into #tmp values (1, 1, '1 jan 2010', 'test 1')
insert into #tmp values (2, 1, '1 jan 2011', 'test 2')
insert into #tmp values (3, 2, '1 jan 2013', 'test 3')
insert into #tmp values (4, 2, '1 jan 2012', 'test 4')
The form of data that I'm hoping to retrieve is:
foreignKeyId maxStartDate otherfield
------------ ----------------------- -------------------------------------------
1 2011-01-01 00:00:00.000 test 2
2 2013-01-01 00:00:00.000 test 3
That is, just one row per foreignKeyId showing the latest start date and associated other fields - the primaryId is irrelevant.
I've managed to come up with:
select t.foreignKeyId, t.startDate, t.otherField from #tmp t
inner join (
select foreignKeyId, max(startDate) as maxStartDate
from #tmp
group by foreignKeyId
) s
on t.foreignKeyId = s.foreignKeyId and s.maxStartDate = t.startDate
but (a) this uses inner queries, which I suspect may lead to performance issues, and (b) it gives repeated rows if two rows in the original table have the same foreignKeyId and startDate.
Is there a query that will return just the first match for each foreign key and start date?
Depending on your sql server version, try the following:
select *
from (
select *, rnum = ROW_NUMBER() over (
partition by #tmp.foreignKeyId
order by #tmp.startDate desc)
from #tmp
) t
where t.rnum = 1
If you wanted to fix your attempt as opposed to re-engineering it then
select t.foreignKeyId, t.startDate, t.otherField from #tmp t
inner join (
select foreignKeyId, max(startDate) as maxStartDate, max(PrimaryId) as Latest
from #tmp
group by foreignKeyId
) s
on t.primaryId = s.latest
would have done the job, assuming PrimaryID increases over time.
Qualms about inner query would have been laid to rest as well assuming some indexes.
I have a simple problem , Although i believe its simple , am not able to figure out the same.
Consider i have the below table with exactly same data as given below :
CREATE TABLE #temp
(
link varchar(255),
number INT,
fname varchar(255)
)
insert into #temp VALUES ('abc',1,'f1')
insert into #temp VALUES ('abc',2,'f2')
insert into #temp VALUES ('abc',3,'f3')
insert into #temp VALUES ('abc',4,'f6')
insert into #temp VALUES ('abc',10,'f100')
insert into #temp VALUES ('abe',-1,'f0')
insert into #temp VALUES ('abe',1,'f1')
insert into #temp VALUES ('abe',2,'f2')
insert into #temp VALUES ('abe',3,'f3')
insert into #temp VALUES ('abe',4,'f6')
insert into #temp VALUES ('abe',20,'f200')
insert into #temp VALUES ('cbe',-1,'f0')
insert into #temp VALUES ('cbe',1,'f1')
insert into #temp VALUES ('cbe',2,'f2')
insert into #temp VALUES ('cbe',3,'f3')
Now for a given link , i need to get the max 'number' and the corresponding 'fname' which has the max 'number' for the given 'link'.
1)Ex : if link is 'abc' , output should be
abc, 10, f100
2)Ex : if link if 'abe' , Output should be
abe, 20, f200
3)Now link can be also given as a pattern , like (link like 'ab%') , so output should be
abc, 10, f100
abe, 20, f200
4)if (link like 'cb%') , so output should be
cbe, 3, f3
Any help in writing this group by query. I have a solution using CAST and string concat like below , but that seems to be in-efficient.
select link,number,fname from #temp
where link like 'ab%' and link+'_'+CAST(number AS varchar(255))
in (select link+'_'+CAST(MAX(number) AS varchar(255)) from #temp
group by link)
Thanks..
Using a self join:
SELECT x.link,
x.number,
x.fname
FROM #temp x
JOIN (SELECT t.link,
MAX(t.number) AS max_number
FROM #temp t
GROUP BY t.link) y ON y.link = x.link
AND y.max_number = x.number
Using a CTE and ROW_NUMBER (SQL Server 2005+):
WITH cte AS (
SELECT x.link,
x.number,
x.fname,
ROW_NUMBER() OVER(PARTITION BY x.link
ORDER BY x.number DESC) rank
FROM #temp x)
SELECT c.link,
c.number,
c.fname
FROM cte c
WHERE c.rank = 1