on 02-22-2017 10:30 AM
Hi,
I have a requirement to write table data into xml. I am trying to find out how to omit null values from writing on the xml.
As per the xml schema definition there are few attributes which either of them needs to be populated.
For example:
Attribute 'Income' if there is a value present then pass that value to this attribute, if not then populate value 'True' to attribute 'IncomeNA'
So at any given time only one attribute will be populated and active.
My mapping goes like this in query transformation
Income on xml -- direct mapping -- 'income' from table
IncomeNA on xml -- if 'Income' is null then 'True' else null.
If income is populated with positive value I don't want to write IncomeNA on to xml. I only want to write IncomeNA on to xml when Income is null.
I was told there is a way to omit null values writing on to xml but not sure how we do it on SAP BODS. Suggestions please?
When the xml elements are defined under <choice> tags then either of the elements present under this tag can be populated ignoring rest of the elements. So in the above example if 'income' and 'incomeNA' is present under <choice> like this
<choice>
<income>..</income>
<incomeNA>...<incomeNA>
</choice>
then if income is populated then incomeNA can be populated with null or can be ignored.
I achieved this in query transformation
income - direct mapping of table.income column
incomeNA - ifthenelse(table.income is null, 'true', null)
so automatically 'null' attributes are ignored while writing on to xml file. so job done for my requirement.
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