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I am trying to create a Project Online OData URL where I use two functions, one inside the other $filter=substring(ResourceName, indexof(ResourceName,','),10) eq 'example'

substring is the first function and index of is the second function called inside the substring brackets and it returns an integer.

so, I get this message back:

Fehler beim Verarbeiten dieser Anforderung.

and I just want to know why and whether I can do the same some other way

  • Does the server fully support OData substring and indexof functions? Be aware of indexof('','') which can return -1 if the first string does not contain the second string. -1 cannot be used in substring. Do you want to achieve this in one request? – user2250152 Dec 07 '22 at 14:44
  • there is no documentation for the api or not enough, so its not possible to check if the server supports it, and yes ideally in one request... – Eyass Shahoud Dec 12 '22 at 10:05

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