How to create table in Transact-SQL from given script - tsql

I'm beginner so how i can create table and execute then? Thanks for help
CREATE PROCEDURE `createAandB`()
BEGIN
DECLARE v1 INT DEFAULT 6;
WHILE v1 > 0 DO
INSERT INTO A VALUES (v1, v1);
SET v1 = v1 - 1;
END WHILE;
SET v1 = 1;
WHILE v1 < 11 DO
INSERT INTO B VALUES (v1, v1+2);
SET v1 = v1 + 3;
END WHILE;
END

This is - to be honest - part of any beginner's tutorial...
Try something like this:
CREATE TABLE tblA(ID INT IDENTITY
,SomeNumber INT NOT NULL
,SomeValue VARCHAR(100) NOT NULL);
--insert with VALUES
INSERT INTO tblA(SomeNumber,SomeValue)
VALUES(100,'test with 100');
SELECT * FROM tblA;
--insert with SELECT
INSERT INTO tblA(SomeNumber,SomeValue)
SELECT 200,'test with 200';
SELECT * FROM tblA;
--insert a list
--I take sys.objects as a table, from where I can take some numbers and strings
INSERT INTO tblA(SomeNumber,SomeValue)
SELECT OBJECT_ID,[name] FROM sys.objects;
SELECT * FROM tblA;
GO
--Clean-Up
DROP TABLE tblA;

Related

The difference between PRINT ##ROWCOUNT and OUTPUT $ACTION in sql server

Apologies if my question seems to be naive:
I cannot get my head around the 2 statements below, can someone please explain the difference:
OUTPUT $ACTION, INSERTED.BuildRequestID, ..... and
PRINT ##ROWCOUNT
Apparently, they both can be used to print something on the window, with output in the example above, the records that have been inserted will be displayed. And, PRINT ##ROWCOUNT returns the number of rows affected by the last executed statement in the batch, so, if the function was insert, then it will show the inserted records?
Thank you,
In its simplest terms, OUTPUT will give you the actual records affected by a DML statement (INSERT, UPDATE, DELETE, MERGE), ##ROWCOUNT will just tell you how many rows were affected by the previous Statement (not limited to DML).
This is probably easiest understood with a working example that you can run yourself and see both in action:
IF OBJECT_ID(N'tempdb..#T', 'U') IS NOT NULL
DROP TABLE #T;
-- CHECK ##ROWCOUNT
DECLARE #RowCountFromDropTable INT = ##ROWCOUNT;
-- CREATE A TABLE
CREATE TABLE #T (ID INT NOT NULL PRIMARY KEY, Col CHAR(1) NOT NULL);
-- INSERT SOME VALUES AND CHECK THE OUTPUT
INSERT #T (ID, Col)
OUTPUT inserted.*
VALUES (1, 'A'), (2, 'B'), (3, 'C');
-- CHECK ##ROWCOUNT
DECLARE #RowCountFromInsert INT = ##ROWCOUNT;
-- DELETE A VALUE AND INSPECT THE DELETED RECORD WITH OUTPUT
DELETE #T
OUTPUT deleted.*
WHERE ID = 3;
-- CHECK ##ROWCOUNT
DECLARE #RowCountFromDelete INT = ##ROWCOUNT;
-- UPDATE A RECORD AND VIEW BEFORE AND AFTER VALUES
UPDATE #T
SET Col = 'X'
OUTPUT inserted.ID AS ID,
inserted.Col AS UpdatedTo,
deleted.Col AS UpdatedFrom
WHERE ID = 2;
-- CHECK ##ROWCOUNT
DECLARE #RowCountFromUpdate INT = ##ROWCOUNT;
-- USE MERGE, AND CAPTURE ACTION:
MERGE #T AS t
USING (VALUES (2, 'B'), (3, 'C')) AS s (ID, Col)
ON s.ID = t.ID
WHEN NOT MATCHED THEN INSERT (ID, Col) VALUES (s.ID, s.Col)
WHEN MATCHED THEN UPDATE SET Col = s.Col
WHEN NOT MATCHED BY SOURCE THEN DELETE
OUTPUT $Action AS DMLAction,
inserted.ID AS InsertedID,
inserted.Col AS InsertedCol,
deleted.ID AS DeletedID,
deleted.Col AS DeletedCol;
-- CHECK ##ROWCOUNT
DECLARE #RowCountFromMerge INT = ##ROWCOUNT;
SELECT RowCountFromDropTable = #RowCountFromDropTable,
RowCountFromInsert = #RowCountFromInsert,
RowCountFromDelete = #RowCountFromDelete,
RowCountFromUpdate = #RowCountFromUpdate,
RowCountFromMerge = #RowCountFromMerge;
The recordsets output from each of the DML are:
INSERT
ID Col
-------
1 A
2 B
3 C
DELETE
ID Col
-------
3 C
UPDATE
ID UpdatedTo UpdatedFrom
---------------------------
2 X B
MERGE
DMLAction InsertedID InsertedCol DeletedID DeletedCol
------------------------------------------------------------
INSERT 3 C NULL NULL
DELETE NULL NULL 1 A
UPDATE 2 B 2 X
INSPECT ##ROWCOUNTS
RowCountFromDropTable RowCountFromInsert RowCountFromUpdate RowCountFromMerge
--------------------------------------------------------------------------------
0 3 1 3
A quick point on some wording in the qeustion too: You cannot use OUTPUT directly to print something to the window, it returns records much like a SELECT statement. ##ROWCOUNT can be used like any scalar function, so you could use this in consecutive statements. So you could do something like this:
SELECT TOP (1) *
FROM (VALUES (1), (2), (3)) AS t (ID);
SELECT TOP (##ROWCOUNT + 1) *
FROM (VALUES (1), (2), (3)) AS t (ID);
SELECT TOP (##ROWCOUNT + 1) *
FROM (VALUES (1), (2), (3)) AS t (ID);
Which returns 1, 1,2 and 1,2,3 respectively. I have no idea why you would want to do this, but it demonstrates the scope of ##ROWCOUNT a bit better than the above, and how it can be used elsewhere.

dblink_build_sql_delete . I need to be able to delete the data with <= condition

SELECT xyz.*
FROM PUBLIC.DBLINK ('dbname=LiveDB port=5432 host=127.0.0.1 user=postgres
password=root','SELECT dblink_build_sql_delete(''"folderstatus"'', ''1'', 1,
''{"1"}'')')
as xyz (id int);
ERROR: invalid input syntax for integer: "DELETE FROM folderstatuslu WHERE
id = '1'"
I'm unable to delete the record here. I also need to know how to add a "<=" condition and also need to pass a parameter.
My code will be like this, I'll be selecting the max(colum_value) into a variable and pass it to the above query and should be able to delete like below.
DELETE FROM folderstatuslu WHERE id <= '1' --> (in the place of 1, I will
pass a variable.)
Appreciate your help.
why not just dblink and format?..
t=# create table so43 (i int);
CREATE TABLE
t=# insert into so43 select 1;
INSERT 0 1
t=# select * from dblink('dbname = t',format('delete from so43 where i <= %s',1)) as row(result text);
result
----------
DELETE 1
(1 row)

How to pivot a table to a view on matching-length delimited cells

Disclaimer: I'm dealing with a rather old legacy system so any comments telling me about poor design are redundant, although I do genuinely appreciate any such sentiment. There is a new version that solves most legacy problems but we still have to maintain the old system, so basically, we have to manage for now.
I have a table that looks like this (yes, that is a single column, I know):
And I need a view (for reporting purposes) that will dynamically process the data in said table and return this:
The values are \n-delimited (shudder) and you can assume there will always be the same number of values in each cell (9 in the example, although other databases could have 4 or 12 or any number), although I suppose having NULL-insertion in the event of missing values couldn't hurt. They will also always be in a matching order (as in the example, 'AUD', 'Australian Dollar', and '$' are all the first values in their respective cells, and so on).
I've found various approaches to splitting a single cell out into a view, but nothing that covers merging data in such a way as I require. Sitting at home with a cold has not helped my research capabilities. Help me StackOverflow, you're my only hope!
Bonus points for tidy, relatively readable SQL examples, although I'm anticipating messiness as a natural by-product of the hackish nature of my required solution.
Something like this. I didn't take the time to build out the tables, but it should be fairly obvious where you can replace my variables with your rows. You will also want to do a replace char(10) where I have used commas. You could package it up in a table valued function and then call as a view.
declare #xml1 xml
declare #xml2 xml
declare #xml3 xml
declare #c1 nvarchar(250)
declare #c2 nvarchar(250)
declare #c3 nvarchar(250)
set #c1 = N'AUD,CAD,EUR,GBP,JPY,NZD,USD,KES,CHF';
set #c2 = N'Australian Dollar,Canadian Dollar,Euro,Pound Sterling,Yen,New Zealand Dollar,United States Dollar,Kenyan Shilling, Swiss Franc';
set #c3 = N'$,$,C,L,Y,$,$,K,F';
-- you'd use replace(#c1, char(10), '</r><r>') etc etc for /n delimited code
set #xml1 = N'<root><r>' + replace(#c1,',','</r><r>') + '</r></root>';
set #xml2 = N'<root><r>' + replace(#c2,',','</r><r>') + '</r></root>';
set #xml3 = N'<root><r>' + replace(#c3,',','</r><r>') + '</r></root>';
select code.code, name.name, symbol.symbol
from
(select ROW_NUMBER() over (order by ##rowcount) as ck,
c.value('.','varchar(max)') as [code]
from #xml1.nodes('//root/r') as a(c)) as code
inner join
(select ROW_NUMBER() over (order by ##rowcount) as nk,
n.value('.','varchar(max)') as [name]
from #xml2.nodes('//root/r') as a(n)) as name on code.ck = name.nk
inner join
(select ROW_NUMBER() over (order by ##rowcount) as sk,
s.value('.','varchar(max)') as [symbol]
from #xml3.nodes('//root/r') as a(s)) as symbol on symbol.sk = name.nk
You can run this as a single script in SSMS for verification that it works. No schema necessary.
Using Jeff Moden's Tally Ho! CSV splitter:
CREATE FUNCTION [dbo].[DelimitedSplit8K]
--===== Define I/O parameters
(#pString VARCHAR(8000), #pDelimiter CHAR(1))
--WARNING!!! DO NOT USE MAX DATA-TYPES HERE! IT WILL KILL PERFORMANCE!
RETURNS TABLE WITH SCHEMABINDING AS
RETURN
--===== "Inline" CTE Driven "Tally Table" produces values from 1 up to 10,000...
-- enough to cover VARCHAR(8000)
WITH
E1(N) AS (
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL
SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1
), --10E+1 or 10 rows
E2(N) AS (SELECT 1 FROM E1 a, E1 b), --10E+2 or 100 rows
E4(N) AS (SELECT 1 FROM E2 a, E2 b), --10E+4 or 10,000 rows max
cteTally(N) AS (--==== This provides the "base" CTE and limits the number of rows right up front
-- for both a performance gain and prevention of accidental "overruns"
SELECT TOP (ISNULL(DATALENGTH(#pString),0)) ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) FROM E4
),
cteStart(N1) AS (--==== This returns N+1 (starting position of each "element" just once for each delimiter)
SELECT 1 UNION ALL
SELECT t.N+1 FROM cteTally t WHERE SUBSTRING(#pString,t.N,1) = #pDelimiter
),
cteLen(N1,L1) AS(--==== Return start and length (for use in substring)
SELECT s.N1,
ISNULL(NULLIF(CHARINDEX(#pDelimiter,#pString,s.N1),0)-s.N1,8000)
FROM cteStart s
)
--===== Do the actual split. The ISNULL/NULLIF combo handles the length for the final element when no delimiter is found.
SELECT ItemNumber = ROW_NUMBER() OVER(ORDER BY l.N1),
Item = SUBSTRING(#pString, l.N1, l.L1)
FROM cteLen l
;
and inline CTE data like this
with
data as (select Num,Currencies from (values
(1,'AUD'+char(10)+'CAD'+char(10)+'USD'+char(10)+'KES')
,(2,'Australian DOllar'+char(10)+'Canadian Dollar'+char(10)+'US Dollar'+char(10)+'Kenyan Shilling')
,(3,'$'+char(10)+'$'+char(10)+'$'+char(10)+'k')
)data(Num,Currencies)
),
The solution is as simple as this:
map as (select * from (values
(1,'Code')
,(2,'Name')
,(3,'Symbol')
)map(Num,Col )
)
select
ItemNumber
,max(Code) as Code
,max(Name) as Name
,max(Symbol) as Symbol
from (
select
map.Num
,map.Col
,c.Item
,c.ItemNumber
from data
join map
on map.Num = data.Num
cross apply dbo.DelimitedSplit8K(data.Currencies,char(10)) c
) t
pivot (max(Item) for Col in (Code,Name,Symbol)) pvt
group by ItemNumber
to give us:
ItemNumber Code Name Symbol
-------------- ---- -------------------- ---------------
1 AUD Australian DOllar $
2 CAD Canadian Dollar $
3 USD US Dollar $
4 KES Kenyan Shilling k
Hope this Helps. Run all together or replace the table variable with a temptable.
Sample Data:
IF OBJECT_ID(N'tempdb..#table') > 0
BEGIN
DROP TABLE #table
END
DECLARE #table TABLE(ATTRIBUTELVAUE VARCHAR(MAX))
INSERT INTO #table
SELECT
'AFN
ALL
DZD
USD
EUR
AOA
XCD
XCD
ARS'
INSERT INTO #table
SELECT
'Afghanistan
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antigua and Barbuda
Argentina'
INSERT INTO #table
SELECT
'AF
AL
DZ
AS
AD
AO
AI
AG
AR'
Query:
IF OBJECT_ID(N'tempdb..#TEMP') > 0
BEGIN
DROP TABLE #TEMP
END
DECLARE #StartLoop INT
DECLARE #EndLoop INT
DECLARE #Code TABLE (ID INT IDENTITY(1, 1),
Code VARCHAR(250))
DECLARE #Name TABLE (ID INT IDENTITY(1, 1),
Name VARCHAR(250))
DECLARE #Symbol TABLE (ID INT IDENTITY(1, 1),
Symbol VARCHAR(250))
SELECT ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) AS ID,
*
INTO #Temp
FROM #table
SELECT #StartLoop = MIN(ID),
#EndLoop = MAX(ID)
FROM #Temp
WHILE #StartLoop <= #EndLoop
BEGIN
DECLARE #WorkingString VARCHAR(MAX)
SELECT #WorkingString = ATTRIBUTELVAUE + CHAR(10) + ' '
FROM #Temp
WHERE ID = #StartLoop
--print #WorkingString
WHILE CHARINDEX(CHAR(10), #WorkingString) > 0
BEGIN
DECLARE #SearchCharacter INT
DECLARE #WorkingStringLength INT
DECLARE #TempStringLength INT
DECLARE #TempString VARCHAR(MAX)
SET #WorkingStringLength = LEN(#WorkingString)
SET #SearchCharacter = CHARINDEX(CHAR(10), #WorkingString)
SET #TempString = SUBSTRING(#WorkingString, 1, #SearchCharacter - 1)
SET #TempStringLength = LEN(#TempString)
SET #WorkingString = SUBSTRING(#WorkingString, #SearchCharacter + 1, #WorkingStringLength)
SET #TempString = REPLACE(#TempString, CHAR(13), '')
IF #StartLoop = 1
BEGIN
INSERT INTO #Code
SELECT #TempString
END
IF #StartLoop = 2
BEGIN
INSERT INTO #Name
SELECT #TempString
END
IF #StartLoop = 3
BEGIN
INSERT INTO #Symbol
SELECT #TempString
END
END
SET #StartLoop = #StartLoop + 1
END
SELECT Code,
Name,
Symbol
FROM #Code AS c
JOIN #Name AS n
ON c.ID = n.ID
JOIN #Symbol AS s
ON s.ID = n.ID
Cleanup:
IF OBJECT_ID(N'tempdb..#TEMP') > 0
BEGIN
DROP TABLE #TEMP
END
IF OBJECT_ID(N'tempdb..#table') > 0
BEGIN
DROP TABLE #table
END
Because I needed a view, this ended up being my solution:
CREATE FUNCTION [dbo].[CurrencyTableGenerator]()
RETURNS
#CurrencyTable TABLE(
Code NVARCHAR(250)
,Name NVARCHAR(250)
,Symbol NVARCHAR(250)
)
AS
BEGIN
DECLARE #xml1 XML
DECLARE #xml2 XML
DECLARE #xml3 XML
DECLARE #C1 NVARCHAR(250)
DECLARE #C2 NVARCHAR(250)
DECLARE #c3 NVARCHAR(250)
SET #c1 = (SELECT ...)
SET #c2 = (SELECT ...)
SET #c3 = (SELECT ...)
SET #xml1 = N'<root><r>' + REPLACE(#c1, CHAR(10), '</r><r>') + '</r></root>';
SET #xml2 = N'<root><r>' + REPLACE(#c2, CHAR(10), '</r><r>') + '</r></root>';
SET #xml3 = N'<root><r>' + REPLACE(#c3, CHAR(10), '</r><r>') + '</r></root>';
INSERT INTO #CurrencyTable
SELECT Code.Code, Name.Name, Symbol.Symbol
FROM
(SELECT ROW_NUMBER() OVER (ORDER BY ##ROWCOUNT) AS ck,
c.value('.', 'VARCHAR(250)') AS [Code]
FROM #xml1.nodes('//root/r') AS a(c)) AS Code
INNER JOIN
(SELECT ROW_NUMBER() OVER (ORDER BY ##ROWCOUNT) AS nk,
n.value('.', 'VARCHAR(250)') AS [Name]
FROM #xml2.nodes('//root/r') AS a(n)) AS Name ON Code.ck = Name.nk
INNER JOIN
(SELECT ROW_NUMBER() OVER (ORDER BY ##ROWCOUNT) AS sk,
s.value('.', 'VARCHAR(250)') AS [Symbol]
FROM #xml3.nodes('//root/r') AS a(s)) AS Symbol ON Symbol.sk = Name.nk
RETURN
END
GO
CREATE VIEW [dbo].[CurrencyView]
AS
SELECT * FROM [dbo].[CurrencyTableGenerator]()
GO
Thanks to RThomas for the function.

T-SQL Loop in a stored proc

how do I loop through a comma separated variable using tsql in a stored proc
So for instance my list would look like this
"1,2,3,4,5,6,7,8,9,10"
and I would loop thought this list and made some necessary table
insert based on this list
You could do it a couple ways, but if this would be a list of ID's it could be done like this as well. It would change your list format a bit.
UPDATE table
SET column = value
WHERE ID in ('1','2','3','4','5','6','7','8','9','10')
You could do a loop as well
DECLARE #List CHAR(100)
DECLARE #ListItem int
DECLARE #Pos int
SET #List = '1,2,3,4,5,6,7,8,9,10'
WHILE LEN(#List) > 0
BEGIN
--Pull Item Frim List
SET #Pos = CHARINDEX(',', #List)
IF #Pos = 0
BEGIN
SET #ListItem = #List
END
ELSE
BEGIN
SET #ListItem = SUBSTRING(#List, 1, #Pos - 1)
END
UPDATE table
SET column = value
WHERE ID = #ListItem
--Remove Item Frim List
IF #Pos = 0
BEGIN
SET #List = ''
END
ELSE
BEGIN
SET #List = SUBSTRING(#List, #Pos + 1, LEN(#List) - #Pos)
END
END
I'd try to avoid looping and insert the rows directly from your comma list.
Use a table values parameter (new in SQl Server 2008). Set it up by creating the actual table parameter type:
CREATE TYPE IntTableType AS TABLE (ID INTEGER PRIMARY KEY)
Your procedure would then be:
Create Procedure up_TEST
#Ids IntTableType READONLY
AS
SELECT *
FROM ATable a
WHERE a.Id IN (SELECT ID FROM #Ids)
RETURN 0
GO
if you can't use table value parameters, see: "Arrays and Lists in SQL Server 2005 and Beyond, When Table Value Parameters Do Not Cut it" by Erland Sommarskog, then there are many ways to split string in SQL Server. This article covers the PROs and CONs of just about every method. in general, you need to create a split function. This is how a split function can be used to insert rows:
INSERT INTO YourTableA (colA)
SELECT
b.col1
FROM dbo.yourSplitFunction(#Parameter) b
I prefer the number table approach to split a string in TSQL but there are numerous ways to split strings in SQL Server, see the previous link, which explains the PROs and CONs of each.
For the Numbers Table method to work, you need to do this one time table setup, which will create a table Numbers that contains rows from 1 to 10,000:
SELECT TOP 10000 IDENTITY(int,1,1) AS Number
INTO Numbers
FROM sys.objects s1
CROSS JOIN sys.objects s2
ALTER TABLE Numbers ADD CONSTRAINT PK_Numbers PRIMARY KEY CLUSTERED (Number)
Once the Numbers table is set up, create this split function:
CREATE FUNCTION [dbo].[FN_ListToTable]
(
#SplitOn char(1) --REQUIRED, the character to split the #List string on
,#List varchar(8000)--REQUIRED, the list to split apart
)
RETURNS TABLE
AS
RETURN
(
----------------
--SINGLE QUERY-- --this will not return empty rows
----------------
SELECT
ListValue
FROM (SELECT
LTRIM(RTRIM(SUBSTRING(List2, number+1, CHARINDEX(#SplitOn, List2, number+1)-number - 1))) AS ListValue
FROM (
SELECT #SplitOn + #List + #SplitOn AS List2
) AS dt
INNER JOIN Numbers n ON n.Number < LEN(dt.List2)
WHERE SUBSTRING(List2, number, 1) = #SplitOn
) dt2
WHERE ListValue IS NOT NULL AND ListValue!=''
);
GO
You can now easily split a CSV string into a table and join on it:
Create Procedure up_TEST
#Ids VARCHAR(MAX)
AS
SELECT * FROM ATable a
WHERE a.Id IN (SELECT ListValue FROM dbo.FN_ListToTable(',',#Ids))
GO
or insert rows from it:
Create Procedure up_TEST
#Ids VARCHAR(MAX)
,#OtherValue varchar(5)
AS
INSERT INTO YourTableA
(colA, colB, colC)
SELECT
ListValue, #OtherValue, GETDATE()
FROM dbo.FN_ListToTable(',',#Ids)
GO
Using CTE (Common Table Expression) is the most elegant solution I think check this question on stackoverflow,
T-SQL: Opposite to string concatenation - how to split string into multiple records

Implementing and applying a string split in T-SQL

I have this statement in T-SQL.
SELECT Bay From TABLE where uid in (
select B_Numbers from Info_Step WHERE uid = 'number'
)
I am selecting "multiple" BAYs from TABLE where their uid is equal to a string of numbers like this:
B_Numbers = 1:45:34:98
Therefore, I should be selecting 4 different BAYs from TABLE. I basically need to split the string 1:45:34:98 up into 4 different numbers.
I'm thinking that Split() would work, but it doesn't and I get a syntax error.
Any thoughts from the T-SQL gods would be awesome!
Here is an implementation of a split function that returns the list of numbers as a table:
http://rbgupta.blogspot.com/2007/03/split-function-tsql.html
Looks like this would set you on your way...
Here is a method that uses an auxiliary numbers table to parse the input string. The logic can easily be added to a function that returns a table. That table can then be joined to lookup the correct rows.
Step 1: Create the Numbers table
SET NOCOUNT ON
GO
IF EXISTS
(
SELECT 1
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_NAME = 'Numbers'
AND TABLE_SCHEMA = 'dbo'
AND TABLE_TYPE = 'BASE TABLE'
)
BEGIN
DROP TABLE dbo.Numbers
END
GO
CREATE TABLE dbo.Numbers
(
Number smallint IDENTITY(1, 1) PRIMARY KEY
)
GO
WHILE 1 = 1
BEGIN
INSERT INTO dbo.Numbers DEFAULT VALUES
IF SCOPE_IDENTITY() = 32767
BEGIN
BREAK
END
END
GO
Step 2: Parse the Input String
CREATE FUNCTION dbo.ParseString(#input_string varchar(8000), #delim varchar(8000) = " ")
RETURNS TABLE
AS RETURN
(
SELECT Number
FROM dbo.Numbers
WHERE CHARINDEX
(
#delim + CONVERT(VARCHAR(12),Number) + #delim,
#delim + #input_string + #delim
) > 0
)
GO
**EXAMPLE**
SELECT * FROM dbo.ParseString('1:45:34:98',':')
Step 3: Use the results however you want/need
Number
------
1
34
45
98
End-To-End Example
Create function that returns the appropriate BNumber (of course change it to use the commented out SQL)
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION dbo.GetBNumber (#uid int)
RETURNS VARCHAR(8000)
AS
BEGIN
RETURN '1:45:34:98'
--select B_Numbers from Info_Step WHERE uid = #uid
END
GO
Use the use functions to return the desired results
-- Using Test Data
SELECT N.Number FROM Numbers N
JOIN dbo.ParseString(dbo.GetBNumber(12345),':') Q ON Q.Number = N.Number
-- Using Your Data (Untested but should work.)
SELECT N.Bay
FROM TABLE N
JOIN dbo.ParseString(dbo.GetBNumber(ENTER YOU NUMBER HERE),':') Q ON Q.Number = N.uid
Results
Number
------
1
34
45
98
You should keep your arrays as rows but if I understand your question I think this will work.
SELECT
Bay
From
TABLE
join Info_Step
on B_Numbers like '%'+ uid +'%'
where
Info_Step.uid = 'number'
This query will do a full table scan because of the like operator.
What you can do is loop through the B_Numbers entries and do your own split on : Insert those entries into a temp table and then perform your query.
DECLARE #i int
DECLARE #start int
DECLARE #B_Numbers nvarchar(20)
DECLARE #temp table (
number nvarchar(10)
)
-- SELECT B_Numbers FROM Info_Step WHERE uid = 'number'
SELECT #B_Numbers = '1:45:34:98'
SET #i = 0
SET #start = 0
-- Parse out characters delimited by ":";
-- Would make a nice user defined function.
WHILE #i < len(#B_Numbers)
BEGIN
IF substring(#B_Numbers, #i, 1) = ':'
BEGIN
INSERT INTO #temp
VALUES (substring(#B_Numbers, #start, #i - #start))
SET #start = #i + 1
END
SET #i = #i + 1
END
-- Insert last item
INSERT INTO #temp
VALUES (substring(#B_Numbers, #start, #i - #start + 1))
-- Do query with parsed values
SELECT Bay FROM TABLE WHERE uid in (SELECT * FROM #temp)
You can even try this
declare #str varchar(50)
set #str = '1:45:34:98'
;with numcte as(
select 1 as rn union all select rn+1 from numcte where rn<LEN(#str)),
getchars as(select
ROW_NUMBER() over(order by rn) slno,
rn,chars from numcte
cross apply(select SUBSTRING(#str,rn,1) chars)X where chars = ':')
select top 1
Bay1 = SUBSTRING(#str,0,(select rn from getchars where slno = 1))
,Bay2 = SUBSTRING(#str,
(select rn from getchars where slno = 1) + 1,
(((select rn from getchars where slno = 2)-
(select rn from getchars where slno = 1)
)-1))
,Bay3 = SUBSTRING(#str,
(select rn from getchars where slno = 2) + 1,
(((select rn from getchars where slno = 3)-
(select rn from getchars where slno = 2)
)-1))
,Bay4 = SUBSTRING(#str,
(select rn from getchars where slno = 3)+1,
LEN(#str))
from getchars
Output:
Bay1 Bay2 Bay3 Bay4
1 45 34 98