how to pass parameter into fetchxml source in azure data factory

Question

I have a pipeline with entity as parameter and i want to use this in fetchxml filter query:
<fetch> <entity name="audit">
<attribute name="objectid" />
<attribute name="objecttypecodename" />
<attribute name="objecttypecode" />
<attribute name="action" />
<attribute name="createdon" />
<filter>
<condition attribute="action" operator="eq" value="3" />
</filter>
<filter>
<condition attribute="objecttypecodename" operator="eq" value="@entity"/>
</filter>
<filter>
<condition attribute="createdon" operator="last-x-days" value="48" />
</filter>

<order attribute="createdon" descending="true" />
</entity>
</fetch>

Answer 1

Hello @Varagani, Ramana ,
Thanks for the question and using MS Q&A platform.

If I understand correctly, you have a dynamics / dataverse source dataset, and are using the "Query" option. You have a fetchXML , but you want to parameterize it.

We can insert pipeline expression into the query as long as it takes the form @{expression} . The curly braces indicate the start/end.

<filter>  
<condition attribute="objecttypecodename" operator="eq" value="@entity"/>  
</filter>  

becomes (assuming your do not want a literal @ in the value)

<filter>  
<condition attribute="objecttypecodename" operator="eq" value="@{variables('my_variable_name')}"/>  
</filter>  

Please do let me if you have any queries.

Thanks
Martin

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Answer 2

I am working on a ADF data flow that reads out of D365 Account entity using FetchXML. I want to pass a parameter value to the fetchxml query so it pulls only recently modified data.
<fetch>
<entity name="account">
<attribute name="name" />
<attribute name="primarycontactid" />
<attribute name="telephone1" />
<attribute name="accountid" />
<attribute name="description" />
<filter type="and">
<condition attribute="modifiedon" operator="on-or-after" value="[data flow parameter]" />
</filter>
</entity>
</fetch>

How do I pass dynamic value in [data flow parameter] to the fetxml query? I am passing correct datetime value to the data flow parameter but just not able to use it in FetchXML query.

Answer 3

This works but it breaks when text is formatted in multiple lines. Seems like it looks for a single line of text so ended up removing line breaks and put text in one line. This makes query unmanageable if it is a complex query with lots of attributes to retrieve.

Is there option to send formatted text (like above)?