Sql server ld只需选择[value],行号()在()上方,作为字符串分割中的i…,但如前所述。。没有顺序保证..状态输出行可能是任意顺序。顺序不能保证与输入字符串中子字符串的顺序匹配 CREATE FUNCTION dbo.GetSplitString_CTE (
ld只需选择[value],行号()在()上方,作为字符串分割中的i…,但如前所述。。没有顺序保证..状态Sql server ld只需选择[value],行号()在()上方,作为字符串分割中的i…,但如前所述。。没有顺序保证..状态输出行可能是任意顺序。顺序不能保证与输入字符串中子字符串的顺序匹配 CREATE FUNCTION dbo.GetSplitString_CTE ( ,sql-server,sql-server-2008,tsql,split,Sql Server,Sql Server 2008,Tsql,Split,ld只需选择[value],行号()在()上方,作为字符串分割中的i…,但如前所述。。没有顺序保证..状态输出行可能是任意顺序。顺序不能保证与输入字符串中子字符串的顺序匹配 CREATE FUNCTION dbo.GetSplitString_CTE ( @List VARCHAR(MAX), @Delimiter VARCHAR(255), @ElementNumber int ) RETURNS VARCHAR(4000) AS BEGIN DECLA
输出行可能是任意顺序。顺序不能保证与输入字符串中子字符串的顺序匹配代码>
CREATE FUNCTION dbo.GetSplitString_CTE
(
@List VARCHAR(MAX),
@Delimiter VARCHAR(255),
@ElementNumber int
)
RETURNS VARCHAR(4000)
AS
BEGIN
DECLARE @result varchar(4000)
DECLARE @Items TABLE ( position int IDENTITY PRIMARY KEY,
Item VARCHAR(4000)
)
DECLARE @ll INT = LEN(@List) + 1, @ld INT = LEN(@Delimiter);
WITH a AS
(
SELECT
[start] = 1,
[end] = COALESCE(NULLIF(CHARINDEX(@Delimiter,
@List, @ld), 0), @ll),
[value] = SUBSTRING(@List, 1,
COALESCE(NULLIF(CHARINDEX(@Delimiter,
@List, @ld), 0), @ll) - 1)
UNION ALL
SELECT
[start] = CONVERT(INT, [end]) + @ld,
[end] = COALESCE(NULLIF(CHARINDEX(@Delimiter,
@List, [end] + @ld), 0), @ll),
[value] = SUBSTRING(@List, [end] + @ld,
COALESCE(NULLIF(CHARINDEX(@Delimiter,
@List, [end] + @ld), 0), @ll)-[end]-@ld)
FROM a
WHERE [end] < @ll
)
INSERT @Items SELECT [value]
FROM a
WHERE LEN([value]) > 0
OPTION (MAXRECURSION 0);
SELECT @result=Item
FROM @Items
WHERE position=@ElementNumber
RETURN @result;
END
GO
declare @xml xml
set @xml = '<split><el>' + replace(@list,@Delimiter,'</el><el>') + '</el></split>'
select
el = split.el.value('.','varchar(max)')
from @xml.nodes('/split/el') split(el))
alter FUNCTION dbo.GetSplitString_CTE
(
@List VARCHAR(MAX),
@Delimiter VARCHAR(255),
@ElementNumber int
)
RETURNS VARCHAR(max)
AS
BEGIN
-- escape any XML https://dba.stackexchange.com/a/143140/65992
set @list = convert(VARCHAR(MAX),(select @list for xml path(''), type));
declare @xml xml
set @xml = '<split><el>' + replace(@list,@Delimiter,'</el><el>') + '</el></split>'
declare @ret varchar(max)
set @ret = (select
el = split.el.value('.','varchar(max)')
from @xml.nodes('/split/el[string-length(.)>0][position() = sql:variable("@elementnumber")]') split(el))
return @ret
END
DECLARE @tlist varchar(max)='10,20,30,40,50,60,70,80,90,100'
DECLARE @i INT=1, @nth INT=3
While len(@tlist) <> 0
BEGIN
IF @i=@nth
BEGIN
select Case when charindex(',',@tlist) <> 0 Then LEFT(@tlist,charindex(',',@tlist)-1)
Else @tlist
END
END
Select @tlist = Case when charindex(',',@tlist) <> 0 Then substring(@tlist,charindex(',',@tlist)+1,len(@tlist))
Else ''
END
SELECT @i=@i+1
END
@ld INT = LEN(@Delimiter)
alter FUNCTION [dbo].[split1]
(
@string1 VARCHAR(8000) -- List of delimited items
, @Delimiter VARCHAR(40) = ',' -- delimiter that separates items
, @ElementNumber int
)
RETURNS varchar(8000)
AS
BEGIN
declare @position int
declare @piece varchar(8000)=''
declare @returnVal varchar(8000)=''
declare @Pattern varchar(50) = '%' + @Delimiter + '%'
declare @counter int =0
declare @ld int = len(@Delimiter)
declare @ls1 int = len (@string1)
declare @foundit int = 0
if patindex(@Pattern , @string1) = 0
return ''
if right(rtrim(@string1),1) <> @Delimiter
set @string1 = @string1 + @Delimiter
set @position = patindex(@Pattern , @string1) + @ld -1
while @position > 0
begin
set @counter = @counter +1
set @ls1 = len (@string1)
if (@ls1 >= @ld)
set @piece = left(@string1, @position - @ld)
else
break
if (@counter = @ElementNumber)
begin
set @foundit = 1
break
end
if len(@string1) > 0
begin
set @string1 = stuff(@string1, 1, @position, '')
set @position = patindex(@Pattern , @string1) + @ld -1
end
else
set @position = -1
end
if @foundit =1
set @returnVal = @piece
else
set @returnVal = ''
return @returnVal
SELECT CAST('<x>' + REPLACE('1,222,2,67,888,1111',',','</x><x>') + '</x>' AS XML).value('/x[4]','int')
DECLARE @input NVARCHAR(100)=N'part1 part2 part3';
SELECT CAST(N'<x>' + REPLACE(@input,N' ',N'</x><x>') + N'</x>' AS XML).value('/x[2]','nvarchar(max)')
DECLARE @dlmt NVARCHAR(10)=N' ';
DECLARE @pos INT = 2;
SELECT CAST(N'<x>' + REPLACE(@input,@dlmt,N'</x><x>') + N'</x>' AS XML).value('/x[sql:variable("@pos")][1]','nvarchar(max)')
SET @input=N'Some <, > and &;Other äöü@€;One more';
SET @dlmt=N';';
SELECT CAST(N'<x>' + REPLACE((SELECT REPLACE(@input,@dlmt,'#DLMT#') AS [*] FOR XML PATH('')),N'#DLMT#',N'</x><x>') + N'</x>' AS XML).value('/x[sql:variable("@pos")][1]','nvarchar(max)');
DECLARE @str VARCHAR(100)='Hello John Smith';
DECLARE @position INT = 2;
--We can build the json-path '$[1]' using CONCAT
SELECT JSON_VALUE('["' + REPLACE(@str,' ','","') + '"]',CONCAT('$[',@position-1,']'));
SELECT JsonArray.[key] AS [Position]
,JsonArray.[value] AS [Part]
FROM OPENJSON('["' + REPLACE(@str,' ','","') + '"]') JsonArray
DECLARE @SomeDelimitedString VARCHAR(100)='part1|1|20190920';
DECLARE @JsonArray NVARCHAR(MAX)=CONCAT('[["',REPLACE(@SomeDelimitedString,'|','","'),'"]]');
SELECT @SomeDelimitedString AS TheOriginal
,@JsonArray AS TransformedToJSON
,ValuesFromTheArray.*
FROM OPENJSON(@JsonArray)
WITH(TheFirstFragment VARCHAR(100) '$[0]'
,TheSecondFragment INT '$[1]'
,TheThirdFragment DATE '$[2]') ValuesFromTheArray
CREATE FUNCTION dbo.NTH_ELEMENT (@Input NVARCHAR(MAX), @Delim CHAR = '-', @N INT = 0)
RETURNS NVARCHAR(MAX)
AS
BEGIN
RETURN (SELECT VALUE FROM STRING_SPLIT(@Input, @Delim) ORDER BY (SELECT NULL) OFFSET @N ROWS FETCH NEXT 1 ROW ONLY)
END
CREATE TABLE #tblVals(Id INT IDENTITY(1,1), Val NVARCHAR(100))
INSERT INTO #tblVals (Val)
SELECT [value] FROM STRING_SPLIT('Val1-Val3-Val2-Val5', '-')
SELECT * FROM #tblVals
DECLARE @val2 NVARCHAR(100) = (SELECT TOP 1 Val FROM #tblVals WHERE Id = 2)
DECLARE @Input VARCHAR(100) = '1a,2b,3c,4d,5e,6f,7g,8h'
,@Number TINYINT = 3
DECLARE @XML XML;
DECLARE @value VARCHAR(100);
SET @XML = CAST('<x>' + REPLACE(@Input,',','</x><x>') + '</x>' AS XML);
WITH DataSource ([rowID], [rowValue]) AS
(
SELECT ROW_NUMBER() OVER (ORDER BY T.c ASC)
,T.c.value('.', 'VARCHAR(100)')
FROM @XML.nodes('./x') T(c)
)
SELECT @value = [rowValue]
FROM DataSource
WHERE [rowID] = @Number;
SELECT @value;
SELECT value, idx FROM
(
SELECT
value,
ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) idx
FROM STRING_SPLIT('Lorem ipsum dolor sit amet.', ' ')
) t
WHERE idx=2