Looping And Querying Data From XML Clob

Oct 5, 2013

Using a code snippet borrowed from a co-worker, I have put together a query that, among other things, pulls a list value out of an xml clob field and displays it in the query results. My query as it stands right now is below, followed by a snippet from the xml clob that I am pulling from.

select * from
(Select Wtr_Service_Tag, Wtr_Tran_Origin, Wtr_Send_Date, Wtr_Receive_Date,
to_char(substr(wtr_req_xml,instr(substr(wtr_req_xml,1,8000),'SID')+8,12)) Asset_Tag
from ws_transactions
Where Wtr_Service_Tag In ('20458749610')

[Code] ....

This query is only able to pull the first value in the list.

I have two questions...

[1]How can I edit this query to pull all of the list items when there are more than 1? I have another field, in a separate table, that I can pull from to get that number.

[2]This one may be more complex. As currently written, the query pulls a fixed number of characters from the xml clob and either returns not enough data, or too much because the values I need to pull could be of varying lengths. I have no way to query what those lengths might be.

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SQL 2012 :: Extracting Data From Compressed CLOB XML Using SSIS?

Apr 14, 2014

Source System : Oracle

Target System : Ms Sql Server 2012

ETL Tool Used : SSIS

My source data is present in XML File which is stored in CLOB column Of Oracle. CLOB column is compressed.I need to Migrate data by Uncompressing XML to SQL 2012 .

Do I need to define XML column in SQL Server 2012 for storing Uncompressed CLOB values ?

How to uncompress the clob and extract the required data from XML using SSIS .

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I know it will work if I use UNION ALL, but it returns duplicate records.

Please give me suggestion, how to solve this problem.

For example: The following query does not work since column1 is a CLOB data type

select column1 from table1
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Apr 22, 2004

Hi Guys

I am reading a table one record at a time. Within this record a field can contain multiple values.
The delimiter is a ^. The data comes from a Pick legacy system
The data looks like this :-
chargeable_item_cd quantity text_1
I77C1^I77C2 1^1 PLATES /SCREWS^1.3MM SET

I want to extract the multiple values from this field and insert a record for each set of values.
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Is it possible or am I better of using a SQL task an taking a fraction of the time. (I am resisting
this as my boss doesnt like SQL code)
I am doing this within a data driven query.

Thanks in advance.

Cheers
Chris

The code I have so far looks like this(but doesnt work). It gives a "No query specification returnedby transform status".
'************************************************* **********
' Visual Basic Transformation Script
'************************************************* **********

' Copy each source column to the destination column
Function Main()
DTSDestination("DHB_Key") = DTSLookups("DHB Lookup").Execute(DTSGlobalVariables("DHB_Code").Value)
DTSDestination("Health_Encounter_Theatre_Key") = DTSSource("rule_violtd_cd")

DTSDestination("Patient_Key") = DTSLookups("Patient Lookup").Execute(left(DTSSource("admit_id"), 7))

DTSDestination("Patient_Care_Episode_Key") = _
DTSLookups("Patient Care Lookup").Execute(DTSDestination("Patient_Key"), _
"*T" + DTSSource("hosp_cd") + DTSSource("scout_sheet_nbr"), _
DTSDestination("DHB_Key"))

DTSDestination("Health_Encounter_Key") = DTSLookups("Hlth Encntr Lookup").Execute(DTSDestination("DHB_Key"), _
DTSDestination("Patient_Key"), _
DTSDestination("Patient_Care_Episode_Key"), _
"TH")
' This piece of code does it for multi field values for charagble items to individual values that can be stored in the database

' Copy each source column to the destination column
DIM string1, string2, string3, sitem, sqty, sdescript, quantity, descript
string1 = DTSSource("chargeable_item_cd")
string2 = DTSSource("quantity")

Do While InStr( string1 , "^") > 0
sitem = left(string1, InStr( string1 , "^") -1 )
sqty = left(string2, InStr( string2 , "^") -1 )
sdescript = left(string3, InStr( string3 , "^") -1 )

DTSDestination("Chargeable_Items_Key") = DTSLookups("Chargeable Items Lookup").Execute(sitem)
DTSDestination("Quantity") = sqty
DTSDestination("Description_Of_Item") = sdescript

If IsNull(sqty) Then
quantity = 0
Else
quantity = sqty
End If

If IsNull(sdescript) Then
descript = "X"
Else
descript = sdescript
End If

If NOT IsNull(DTSDestination("Chargeable_Items_Key")) Then
If DTSLookups("Item Exists Lookup").Execute(DTSDestination("DHB_Key"),_
DTSDestination("Health_Encounter_Theatre_Key"),_
DTSDestination("Patient_Key"),_
DTSDestination("Patient_Care_Episode_Key"),_
DTSDestination("Health_Encounter_Key"),_
DTSDestination("Chargeable_Items_Key"),_
quantity,_
descript) = 0 Then
Main = DTSTransformstat_InsertQuery
Else
Main = DTSTransformStat_SkipRow
End If
Main = DTSTransformStat_OK
End If

string1 = Mid( string1 , InStr( string1 , "^") + 1, Len( string1 ) )
string2 = Mid( string2 , InStr( string2 , "^") + 1, Len( string2 ) )
string3 = Mid( string3 , InStr( string3 , "^") + 1, Len( string3 ) )
loop

Main = DTSTransformStat_OK
End Function

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I have this following code here...






Code Snippet

SET @SQL = 'Select * FROM IdentipassNew.dbo.CBORD_Interface_Final'
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Hi All,


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Any help will be appriciated.



Thanks

john

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OBJECTIVE within the flat file if any records/rows cause error i have to move the bad data into separate folder C:ERROR



STEPS TAKEN

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2) Within the dataflow I am diverting the the bad rows from "conditional component" into "Flat File Destination" Component.



3) "Flat File Destination" Connection manager i set the expressions as @[User:: sourceFilePath] +"_Error.TXT".



ISSUE

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QUESTION



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Not that I think it'll matter, but the queries I'm using for these three cases are:

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[Code] ....

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s

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I need help in writing a query.

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I was able to write the code for 1st part that gets values from 1st table but I don't know how to get the values from 2nd table.

The 2 tables does not have any primary/foreign key relations. Both tables have same structure and same columns.

I am attaching some images below to give more information.

Image of results from my query.

Image of how the final output should look like.

The Store Procedure code is:

ALTER Procedure [dbo].[free_customsHS4](
@TblName1 varchar(20),
@TblType varchar(20),
@District varchar(6),
@Month varchar(3)
)


AS
Begin
SET NOCOUNT ON;

Declare @SQuery nvarchar(3000)
set @TblName1 = '[' + @TblName1 + ']'
set @TblType = '[' + @TblType + ']'


SELECT @SQuery = 'select top 10 a.commodity1 as HS4, b.descrip_1 as Description,
sum(a.all_val_mo) as [Amount],

(sum(a.all_val_mo)/(select Sum(a.all_val_mo) FROM ' + @TblName1 + 'a
where a.stat_month <=' + @Month + ' and a.district=' + @District +'))*100 as [% Share]

FROM ' + @TblName1 + ' a left outer join ' + @TblType + ' b on a.commodity1=b.commodity1
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Group by a.commodity1, b.descrip_1
order by [Amount] desc'

EXEC sp_executesql @SQuery
END

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On the front page, I need to have it querys out the CategoryName from Categorys but also querys out all....Well not all but atleast 5 subcategorys that relate to that categoryName. Once its down it moves to the next category and does the same and so on. Does anyone know the trick ?

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I know there has to be a better way. The table I am working with is millions of records.
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