SubString

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Paul_Harvey

Posted Tuesday, February 23, 2010 8:30 AM

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I have a field in my SSIS package formatted as follows:

5/3/233634$00
5/2/126902$00
1/64/78326$01
5/52/66352$01
1/172/503570$01
1/126/99955$01
1/172/503571$01
9/7/44633$01
3/23/38300$01
3/10/43869$01
1/52/157940$01
1/126/99956$01
1/171/200563$01

I need to split this into three fields:

Field 1 - The digit(s) to the left of the FIRST "/"
Field 2 - The digit(s) BETWEEN the two "/"s
Field 3 - The digits between the SECOND "/2 and the "$"

Try as I might, I cannot get this to work on my Derived Column transformation.
Can someone please help?

Paul

Post #871178

tej3as

Posted Tuesday, February 23, 2010 9:16 AM

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SUBSTRING within Derived Column is ur answer. try using sequence of substrings to achieve this.

Post #871234

Paul_Harvey

Posted Wednesday, February 24, 2010 1:24 AM

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I have tried the following:

For Field 1 - SUBSTRING([RefNumber],1,1)
This correctly returns the first digit.

For Field 3 - SUBSTRING([RefNumber],FINDSTRING("/",[RefNumber],3),(FINDSTRING("$",[RefNumber],3)) - FINDSTRING("/",[RefNumber],3))
This is accepted by the Derived COlumn transformation, but when I debug the package it fails with the following:
[Derived Column [4862]] Error: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "component "Derived Column" (4862)" failed because error code 0xC0049067 occurred, and the error row disposition on "output column "Derived Column 1" (10186)" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure.
[Derived Column [4862]] Error: An error occurred while evaluating the function.

Can anyone help me please?

Paul

Post #871767

Paul_Harvey

Posted Wednesday, February 24, 2010 2:17 AM

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An update:

I now have this functionality working in T-SQL.. bu tI would dearly LOVE to have the expression in the Derived Column do this job.

In T-SQL I am using the following:

select

RefNumber,SUBSTRING(RefNumber, 1, (CHARINDEX('/',[RefNumber],1 )-1)) as Store,

SUBSTRING([RefNumber],(CHARINDEX('/',[RefNumber],1 )+1),(CHARINDEX('/',[RefNumber],4)) - (CHARINDEX('/',[RefNumber],1)+1)) as Till,

SUBSTRING([RefNumber],(CHARINDEX('/',[RefNumber],4 )+1),(CHARINDEX('$',[RefNumber],4)) - (CHARINDEX('/',[RefNumber],4)+1)) as Trans_Num
from imported_data

select
SUBSTRING([RefNumber],(CHARINDEX('/',[RefNumber],1 )+1),(CHARINDEX('/',[RefNumber],3)) - (CHARINDEX('/',[RefNumber],1)+1)) as Trans_Num
from RefTable

which is returning the data in the format I'd like it.
Can anyone give me a pointer?

Paul

Post #871784

Koen Verbeeck

Posted Thursday, February 25, 2010 2:56 AM

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Paul_Harvey (2/24/2010)

For Field 3 - SUBSTRING([RefNumber],FINDSTRING("/",[RefNumber],3),(FINDSTRING("$",[RefNumber],3)) - FINDSTRING("/",[RefNumber],3))
This is accepted by the Derived COlumn transformation, but when I debug the package it fails with the following:
[Derived Column [4862]] Error: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR.

The 3rd argument of Findstring specifies which occurrence of the 2nd argument you want. You've placed the number 3 there for backslash, but I only count 2 for backslash and also 3 for $, but I only see one.

Try:

SUBSTRING([RefNumber],FINDSTRING("/",[RefNumber],2),(FINDSTRING("$",[RefNumber],1)) - FINDSTRING("/",[RefNumber],2))

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Post #872554

Paul_Harvey

Posted Thursday, February 25, 2010 3:03 AM

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Really? I thought the third argument specified how many characters to use.

SUBSTRING(fieldname,start_position, number of characters)

I'll look into this.

Post #872557

Paul_Harvey

Posted Thursday, February 25, 2010 3:05 AM

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My apologies. I didn't read properly!
You are refering to FINDSTRING, not SUBSTRING.
Thanks for the pointer. I'll give it a go.

Paul

Post #872559

Paul_Harvey

Posted Monday, March 01, 2010 6:15 AM

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Thanks for your help on this one, Da Zero.
Great advice!

Paul

Post #874379

Koen Verbeeck

Posted Monday, March 01, 2010 7:37 AM

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No problem at all!
I'm glad to help.

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Post #874412

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