Hi all, I am trying to set the 'sort' parameter 'pagingInfo' of

sikhivahans over 11 years ago

Hi all, I am trying to set the 'sort' parameter 'pagingInfo' of query record with multiple fields. But I am getting the following error when trying to do so : "Expression evaluation error at function 'queryrecord': Error evaluating function 'queryrecord' : Cannot sort by multiple fields."
Here goes my configuration:
pagingInfo: 'type!PagingInfo'(
          startIndex:1,
          batchSize:-1,
          sort:{{field:"firstName", ascending:true()},{field:"lastName", ascending:true()}}
)
Did I do any mistake in the configuration? Or do pagingInfo of queryrecord() doesn't accept sortinfo array? Bu the same 'sort' configuration worked fine when passed to a query rule. I am just curious to know why the same 'sort' configuration which worked fine when passed to query rule isn't working when passed to 'pagingInfo' in 'query' parameter of queryrecord().
Thanks in advance....

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0 Sathya Srinivasan
Appian Employee
over 11 years ago

If I remember correctly, you can only sort by one field at a time.
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0 sikhivahans over 11 years ago

@sathya.srinivasan, but the document speaks that sort in pagingInfo is an array and it is working with a query rule.
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0 revat.anandsongkit
Appian Employee
over 11 years ago

@Sikhivahan - From the error message you mentioned, it seems like the error is in the way you have configured your queryrecord() expression. Could you write your expression? As for pagingInfo, you can provide more than one field to sort in.
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0 Sathya Srinivasan
Appian Employee
over 11 years ago

Thanks Rikhi, I stand corrected.
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0 sikhivahans over 11 years ago

@revat.anandsongkit if I sort on one field,its working fine But issue is with multiple sort fields. My doubt here is whether queryrecord can accept multiple sort fields or not, because ultimately it is the paging info which will be passed to queryrecord and sort in paginginfo is an array.
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0 revat.anandsongkit
Appian Employee
over 11 years ago

Here is an approach you could try:
1) Collect your data using the queryrecord() function with one or no sort
2) Define a paging info using rule!APN_pagingInfo(sort: {{field: "field1", ascending: true}, {field: "field1", ascending:true}, ... }) which will allow you to pass in an array
3) todatasubset(local!data, local!pagingInfo)
4) use data from (3) to populate your grid/chart etc.
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