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Muthukrishnan
PostPosted: Tue Jun 18, 2013 11:01 pm Post subject: Retrieving decimal values in message broker Reply with quote

Apprentice

Joined: 16 Feb 2013
Posts: 48

Hi,

Below is my requirement. Can anyone please help to get the output for all the possible combinations of the input below.

Code:


Input - 22.50
Output-22.5

Input - 50.00
Output - 50

Input - 77.70
Output - 77.7

Input - 16.50
Output - 16.5



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kimbert
PostPosted: Wed Jun 19, 2013 2:43 am Post subject: Reply with quote

Jedi Council

Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

So the rules seem to be:
- For fractional numbers, write the value with one digit after the decimal point
- for integer numbers, write the value with no decimal point
Is that corrrect?

You need to tell us
a) the rounding rules are ( what output do you want for 22.54, 22.55 and 22.56? ).
b) what the output format is ( XML / DFDL etc )
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lancelotlinc
PostPosted: Wed Jun 19, 2013 3:13 am Post subject: Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA

kimbert wrote:
You need to tell us
a) the rounding rules are ( what output do you want for 22.54, 22.55 and 22.56? ).
b) what the output format is ( XML / DFDL etc )


Also would be helpful for the OP to tell us what s/he has tried, and what the results were.
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Muthukrishnan
PostPosted: Wed Jun 19, 2013 4:19 am Post subject: Reply with quote

Apprentice

Joined: 16 Feb 2013
Posts: 48

Quote:


If the input is 22.55 then output also should be 22.55. Also the input and output are XML. I am trying couple of things. But not getting a concrete code to post as I am new to esql.
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kimbert
PostPosted: Wed Jun 19, 2013 4:52 am Post subject: Reply with quote

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Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

Ah! So the requirement is to remove trailing zeros without changing the value of the decimal. That makes it very easy.

1. Create or obtain an XSD that describes your input XML
2. Deploy the XSD along with the message flow. How you do that will depend on which version you are using, but it's all described in the info center.
3. On the input node, set Validation to 'Content and Value' and tick the box that says 'Build tree using XML Schema types'.
4. The message tree will now contain decimal values instead of strings. When the XMLNSC parser outputs the message tree as XML, there will be no trailing zeros.


Last edited by kimbert on Wed Jun 19, 2013 6:07 am; edited 1 time in total
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vmcgloin
PostPosted: Wed Jun 19, 2013 4:59 am Post subject: Reply with quote

Knight

Joined: 04 Apr 2002
Posts: 560
Location: Scotland

Make use of the infocentre if you aren't already.

Maybe try cast with a format of 00.## or post exactly what you are trying and the results you get.

Edited to add: sorry - i did not see the previous response. I didn't mean to cause offence and I come from a land where fully message xsd's are rare
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Muthukrishnan
PostPosted: Wed Jun 19, 2013 6:41 pm Post subject: Retrieving decimal values in message broker Reply with quote

Apprentice

Joined: 16 Feb 2013
Posts: 48

Dear all,

Thanks for your suggestions. Let me try them. But I am afraid I wont be having xsd. I would like to handle them in esql. Is there any way to remove only the trailing zeros and not to disturb the decimals values if present in the input ?
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fjb_saper
PostPosted: Wed Jun 19, 2013 8:53 pm Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20643
Location: LI,NY

You can try and cast your numbers to a decimal type?
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AkankshA
PostPosted: Wed Jun 19, 2013 10:30 pm Post subject: Reply with quote

Grand Master

Joined: 12 Jan 2006
Posts: 1494
Location: Singapore

the dirty method to do would be to take the number after the decimal, trim the '0' of the right side and then concat it back...

but like i said, its a dirty method and shall be your last option
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kimbert
PostPosted: Thu Jun 20, 2013 5:21 am Post subject: Reply with quote

Jedi Council

Joined: 29 Jul 2003
Posts: 5542
Location: Southampton

Quote:
Is there any way to remove only the trailing zeros and not to disturb the decimals values if present in the input ?
Yes - use ESQL CAST to do what the XML parser would have done
- convert the string to a logical decimal value
- convert the decimal value back to a string

The CAST function is very well documented, so please excuse me if I leave the details up to you.
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