I need to convert my query
select
unnest(string_to_array(names, ',')) as "Admin Name",
unnest(string_to_array(phones, ',')) as "Admin Phone",
unnest(string_to_array(emails, ',')) as "Admin Emails"
from
metadata_Table
to an equivalent SQL Server query.
Any suggestions?
You cannot exactly this easily in SL Server. There is no "string_split() with ordinality". And, the ordering is not guaranteed with string_split().
Until Microsoft enhances this functions, my suggestion is a recursive subquery:
with cte as (
select convert(varchar(max), null) as name, convert(varchar(max), null) as phone, convert(varchar(max), null) as email,
convert(varchar(max), names + ',') as names_rest,
convert(varchar(max), phones + ',') as phones_rest,
convert(varchar(max), emails + ',') as emails_rest,
0 as lev
from metadata_Table
union all
select left(names_rest, charindex(',', names_rest) - 1),
left(phones_rest, charindex(',', phones_rest) - 1),
left(emails_rest, charindex(',', emails_rest) - 1),
stuff(names_rest, 1, charindex(',', names_rest), ''),
stuff(phones_rest, 1, charindex(',', phones_rest), ''),
stuff(emails_rest, 1, charindex(',', emails_rest), ''),
lev + 1
from cte
where emails_rest like '%,%'
)
select *
from cte
where lev > 0;
Related
I have these rows
14-L-100-10008-G03S-N
1-DR-100-20057-G48-N
2-CL-100-12133-B12-P
2-FG-100-12202-B01-N
2-G-100-15520-B48-N
2-GM-100-10024-B01-N
2-HC-100-10022-G03S-N
2-HC-100-10023-G03S-N
2-HC-100-20023-G03S-N
32-G-100-15518-F03P2-N
32-G-100-15518-F03P2-N
I just need these parts .how can i get these parts using sql server code :
result:G03S,G48,B12,B01,B48,B12 and ...
You can as the below:
;WITH CTE
AS
(
select '14-L-100-10008-G03S-N' Val UNION ALL
select '1-DR-100-20057-G48-N' Val UNION ALL
select '2-CL-100-12133-B12-P' Val UNION ALL
select '2-FG-100-12202-B01-N' Val UNION ALL
select '2-G-100-15520-B48-N' Val UNION ALL
select '2-GM-100-10024-B01-N' Val UNION ALL
select '2-HC-100-10022-G03S-N' Val UNION ALL
select '2-HC-100-10023-G03S-N' Val UNION ALL
select '2-HC-100-20023-G03S-N' Val UNION ALL
select '32-G-100-15518-F03P2-N' Val UNION ALL
select '32-G-100-15518-F03P2-N'
)
SELECT REVERSE(SUBSTRING(REVERSE(Val), CHARINDEX('-', REVERSE(Val), 0) + 1, CHARINDEX('-', REVERSE(Val), CHARINDEX('-', REVERSE(Val), 0) + 1) - CHARINDEX('-', REVERSE(Val)) - 1))
FROM
CTE
Edit:
SELECT
(
SELECT REVERSE(SUBSTRING(REVERSE(Val), CHARINDEX('-', REVERSE(Val), 0) + 1, CHARINDEX('-', REVERSE(Val), CHARINDEX('-', REVERSE(Val), 0) + 1) - CHARINDEX('-', REVERSE(Val)) - 1)) + ' ,'
FROM
CTE
FOR XML PATH ('')
) Result
Result: G03S ,G48 ,B12 ,B01 ,B48 ,B01 ,G03S ,G03S ,G03S ,F03P2 ,F03P2 ,
SELECT LEFT(A.Result, LEN(A.Result) -1) FROM
(SELECT (SELECT REVERSE(SUBSTRING(REVERSE(Val), CHARINDEX('-', REVERSE(Val), 0) + 1, CHARINDEX('-', REVERSE(Val), CHARINDEX('-', REVERSE(Val), 0) + 1) - CHARINDEX('-', REVERSE(Val)) - 1)) + ' ,' FROM CTE FOR XML PATH ('') ) Result) A
Result: G03S ,G48 ,B12 ,B01 ,B48 ,B01 ,G03S ,G03S ,G03S ,F03P2 ,F03P2
Using one of the splitstring functions from here..
create table #t
(
id varchar(max)
)
insert into #t
select '14-L-100-10008-G03S-N'
union all
select '1-DR-100-20057-G48-N'
select item
from #t t1
cross apply
(select * ,row_number() over (partition by t1.id order by t1.id) as rn from [dbo].[SplitStrings_Numbers](t1.id,'-')
) b
where rn=5
stuff(( select distinct ',',Convert(varchar(256),y.RoomPlanID)
from(
select x.RoomPlanID ,x.RoomPlanHierarchy from (select utblConfigDestRoomRates.RoomPlanID,utblMstRoomPlans.RoomPlanHierarchy
FROM utblConfigDestRoomRates inner
JOIN utblMstRoomPlans on utblConfigDestRoomRates.RoomPlanID=utblMstRoomPlans.RoomPlanId
WHERE PropertyTypeID=1
AND BusinessID='AAAA'
AND('25-Aug-2015' BETWEEN DateEffective AND DateEnd)
AND StarRank=3 group by RoomPlanHierarchy order by RoomPlanHierarchy asc
) x
--order by
-- x.RoomPlanHierarchy
)y
FOR XML PATH('')), 1, 1, '')
You can use ROW_NUMBER (Transact-SQL) function. I assume that order to x.RoomPlanHierarchy like this
stuff(( select distinct ',',Convert(varchar(256),y.RoomPlanID)
from(
select x.RoomPlanID ,x.RoomPlanHierarchy,ROW_NUMBER() OVER(ORDER BY x.RoomPlanHierarchy asc) AS Row from (select utblConfigDestRoomRates.RoomPlanID,utblMstRoomPlans.RoomPlanHierarchy
FROM utblConfigDestRoomRates inner
JOIN utblMstRoomPlans on utblConfigDestRoomRates.RoomPlanID=utblMstRoomPlans.RoomPlanId
WHERE PropertyTypeID=1
AND BusinessID='AAAA'
AND('25-Aug-2015' BETWEEN DateEffective AND DateEnd)
AND StarRank=3 group by RoomPlanHierarchy
) x
--order by
-- x.RoomPlanHierarchy
)y
FOR XML PATH('')), 1, 1, '')
--Format it in SQL
(
SELECT
stuff(
(
SELECT
'' + a.col_name ,
'' + Replace(CAST(a.pos as VARCHAR), a.pos, '') + '"'
FROM
(
SELECT
CAST (',' + db_column_name + ' AS "' + REPLACE(label_tag, '.', '_') AS nvarchar (4000) ) AS col_name,
row_number() over (partition BY RIGHT(entity, CHARINDEX('.', (REVERSE(entity)) ) - 1) ORDER BY db_column_name) AS pos
FROM
table1 AS ex
JOIN
table2 AS ef
ON
ef.col1 = ex.col1
WHERE
entity LIKE '%string%')a FOR xml path('')) , 1, 1, '' ) )
I would like to split a string by commas (,) or pipe (|) to each character in SQL SERVER. Example 'APPLE'. Expected result: 'A|P|P|L|E'. Preferably without creating function.
You can do it with CTE:
DECLARE #s NVARCHAR(MAX) = 'APPLE'
DECLARE #result NVARCHAR(MAX)
;WITH cte(N, S) AS
(
SELECT 1 AS N, SUBSTRING(#s, 1, 1)
UNION ALL
SELECT N + 1, SUBSTRING(#s, N + 1, 1)
FROM cte
WHERE N < LEN(#s)
)
SELECT #result = COALESCE(#result + '|', '') + S FROM cte
SELECT #result
Output:
A|P|P|L|E
Or even shorter version:
DECLARE #s NVARCHAR(MAX) = 'APPLE'
;WITH cte(N, S, D) AS
(
SELECT 1 AS N, SUBSTRING(#s, 1, 1), D = SUBSTRING(#s, 1, 1)
UNION ALL
SELECT N + 1, SUBSTRING(#s, N + 1, 1), D = D + '|' + SUBSTRING(#s, N + 1, 1)
FROM cte
WHERE N < LEN(#s)
)
SELECT TOP 1 D FROM cte
ORDER BY N DESC
You could use a concept like the "Tally Table String Splitter" to achieve what you want.
http://www.sqlservercentral.com/articles/Tally+Table/72993/
DECLARE #txt varchar(50) ='APPLE'
;WITH cte(x) as
(
SELECT top (len(#txt)) ';'
+ substring(#txt, row_number() over (order by (select 1)), 1)
FROM master..spt_values x1
cross join
master..spt_values x2
FOR XML PATH('')
)
SELECT stuff(x, 1, 1, '')
FROM CTE
Result
A;P;P;L;E
I have the following code which will create a comma delimited list for my results:
DECLARE #listStr VARCHAR(MAX)
SELECT #listStr = COALESCE(#listStr+', ' ,'') + INSTITUTIONNAME
FROM EDUCATION
WHERE STUDENTNUMBER= '111'
SELECT #listStr
The problem is its creating one massive comma delimited line. I need it to return a comma separated list per row.
So if Simon has been part of 2 institutions, then i expect:
"INSTITUTION1, INSTITUTION2"
As i didnt supply a where clause i expect my results to show up like this for each row in the database.
Update (As suggested by #Aaron in the comment)
STRING_AGG is the preferred way of doing this in the modern versions of SQL Server (2017 or later). It also supports easy ordering.
SELECT
STUDENTNUMBER
, STRING_AGG(INSTITUTIONNAME, ', ') AS StringAggList
, STRING_AGG(INSTITUTIONNAME, ', ') WITHIN GROUP (ORDER BY INSTITUTIONNAME DESC) AS StringAggListDesc
FROM Education E
GROUP BY E.STUDENTNUMBER;
Original Answer:
Use FOR XML PATH('') - which is converting the entries to a comma separated string and STUFF() -which is to trim the first comma- as follows Which gives you the same comma separated result
SELECT
STUFF((SELECT ',' + INSTITUTIONNAME
FROM EDUCATION EE
WHERE EE.STUDENTNUMBER = E.STUDENTNUMBER
ORDER BY sortOrder
FOR XML PATH(''), TYPE).value('text()[1]', 'nvarchar(max)')
, 1, LEN(','), '') AS XmlPathList
FROM EDUCATION E
GROUP BY E.STUDENTNUMBER
Here is the FIDDLE showing results for both STRING_AGG and FOR XML PATH('').
For Sql Server 2017 and later you can use the new STRING_AGG function
https://learn.microsoft.com/en-us/sql/t-sql/functions/string-agg-transact-sql
The following example replaces null values with 'N/A' and returns the
names separated by commas in a single result cell.
SELECT STRING_AGG ( ISNULL(FirstName,'N/A'), ',') AS csv
FROM Person.Person;
Here is the result set.
John,N/A,Mike,Peter,N/A,N/A,Alice,Bob
Perhaps a more common use case is to group together and then aggregate, just like you would with SUM, COUNT or AVG.
SELECT a.articleId, title, STRING_AGG (tag, ',') AS tags
FROM dbo.Article AS a
LEFT JOIN dbo.ArticleTag AS t
ON a.ArticleId = t.ArticleId
GROUP BY a.articleId, title;
this works in sql server 2016
USE AdventureWorks
GO
DECLARE #listStr VARCHAR(MAX)
SELECT #listStr = COALESCE(#listStr+',' ,'') + Name
FROM Production.Product
SELECT #listStr
GO
If you're stuck with SQL Server <2017, you can use GroupConcat. The syntax and the performance is far better than the FOR XML PATH sollution.
Installation:
-- https://codeplexarchive.blob.core.windows.net/archive/projects/groupconcat/groupconcat.zip
create assembly [GroupConcat] from 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with permission_set = safe;
create aggregate [dbo].[GROUP_CONCAT] (#VALUE [nvarchar](4000)) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT];
create aggregate [dbo].[GROUP_CONCAT_D] (#VALUE [nvarchar](4000), #DELIMITER [nvarchar](4)) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_D];
create aggregate [dbo].[GROUP_CONCAT_DS] (#VALUE [nvarchar](4000), #DELIMITER [nvarchar](4), #SORT_ORDER [tinyint]) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_DS];
create aggregate [dbo].[GROUP_CONCAT_S] (#VALUE [nvarchar](4000), #SORT_ORDER [tinyint]) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_S];
go
Usage:
declare #liststr varchar(max)
select #liststr = dbo.group_concat_d(institutionname, ',')
from education
where studentnumber = '111'
group by studentnumber;
select #liststr
GroupConcat does not support ordering, though. You could use PIVOT, CTE's and windows functions if you need ordering:
drop table if exists #students;
create table #students (
name varchar(20),
institution varchar(20),
year int -- order by year
)
go
insert into #students(name, institution, year)
values
('Simon', 'INSTITUTION1', 2005),
('Simon', 'INSTITUTION2', 2008);
with cte as (
select name,
institution,
rn = row_number() over (partition by name order by year)
from #students
)
select name,
[1] +
isnull((',' + [2]), '') +
isnull((',' + [3]), '') +
isnull((',' + [4]), '') +
isnull((',' + [5]), '') +
isnull((',' + [6]), '') +
isnull((',' + [7]), '') +
isnull((',' + [8]), '') +
isnull((',' + [9]), '') +
isnull((',' + [10]), '') +
isnull((',' + [11]), '') +
isnull((',' + [12]), '') +
isnull((',' + [13]), '') +
isnull((',' + [14]), '') +
isnull((',' + [15]), '') +
isnull((',' + [16]), '') +
isnull((',' + [17]), '') +
isnull((',' + [18]), '') +
isnull((',' + [19]), '') +
isnull((',' + [20]), '')
from cte
pivot (
max(institution)
for rn in ([1], [2], [3], [4],[5],[6],[7],[8],[9],[10],[11],[12],[13],[14],[15],[16],[17],[18],[19],[20])
) as piv
I just saw another question very similar to this!
Here is the canonical NORTHWIND (spelled just slightly different for some reason) database example.
SELECT *
FROM [NORTHWND].[dbo].[Products]
SELECT CategoryId,
MAX( CASE seq WHEN 1 THEN ProductName ELSE '' END ) + ', ' +
MAX( CASE seq WHEN 2 THEN ProductName ELSE '' END ) + ', ' +
MAX( CASE seq WHEN 3 THEN ProductName ELSE '' END ) + ', ' +
MAX( CASE seq WHEN 4 THEN ProductName ELSE '' END )
FROM ( SELECT p1.CategoryId, p1.ProductName,
( SELECT COUNT(*)
FROM NORTHWND.dbo.Products p2
WHERE p2.CategoryId = p1.CategoryId
AND p2.ProductName <= p1.ProductName )
FROM NORTHWND.dbo.Products p1 ) D ( CategoryId, ProductName, seq )
GROUP BY CategoryId ;
I have following query:
SELECT ChallanNo+'-'+CONVERT(VARCHAR(12),ChallanDate,106)
FROM Challan WHERE ChallanID IN
(SELECT ChallanID FROM ChallanDetail WHERE PTUID=42192)
This query result will be :
151468-29 May 2012
151591-31 May 2012
Now I need a string like this :
151468-29 May 2012, 151591-31 May 2012
Thanks for response
On versions of SQL Server < 2017, you had to use STUFF and a FOR XML PATH subquery.
SELECT STUFF((SELECT ', ' + CONVERT(VARCHAR(32), ChallanNo)
+ '-' + CONVERT(CHAR(11), ChallanDate, 106)
FROM dbo.Challan WHERE ChallanID IN
(SELECT ChallanID FROM dbo.ChallanDetail WHERE PTUID = 42192)
FOR XML PATH(''),
TYPE).value(N'./text()[1]', N'varchar(max)'), 1, 2, '');
In 2017+, you should definitely switch to STRING_AGG():
SELECT STRING_AGG(CONCAT(c.ChallanNo, '-',
CONVERT(char(11), c.ChallanDate, 106)), ', ')
FROM dbo.Challan AS c
WHERE EXISTS
(
SELECT 1 FROM dbo.ChallanDetail AS cd
WHERE cd.ChallanID = c.ChallanID
AND cd.PTUID = 42192
);
declare #result varchar(max) = ''
select #result = #result + ChallanNo + '-' +
CONVERT(VARCHAR(12),ChallanDate,106) + ','
from ...
-- remove trailing ,
select left(#result, len(#result) - 1)