According to https://developers.arcgis.com/rest/services-reference/layer-feature-service-.htm
If the layer objectIdField does not have a length property or the length property is set to 4, the objectIdField is 32-bit. If the objectIdField has a length of 8, the objectIdField is 64-bit.
Testing this with ArcGIS Pro seems to show that it doesn't work though. Can ArcGIS Pro use feature services that have 64 bit ObjectIds?
I just ran across this thread while looking for something else and figured I'd post here for the community - ArcGIS Pro started supporting 64-bit object IDs (and Big Integer data type) in version 3.2. https://pro.arcgis.com/en/pro-app/3.2/get-started/whats-new-in-arcgis-pro.htm#
Thanks Kory. I've run across these various bits in the documentation as well and that's why it confused me as to why the feature service API even has this option. I guess this means that ArcGIS cannot use feature services that use an ObjectId field that has a length other than 4.
I am attempting to expose feature services to ArcGIS from large non-relational databases that need to have an Id space larger than what 32 bit numbers can provide. Do you have any suggestions for how I can get around that limitation?
James, I don't think 64-bit objectIDs are supported in ArcGIS. The question might be best for the Geodatabase space.
What is an ObjectID?—Help | ArcGIS Desktop is ArcMap help but says " ObjectIDs are limited to 32-bit values, which store a maximum value of 2,147,483,647."
In the Pro geodatabase help we also see similar notes
from DBMS data types supported in ArcGIS—Help | ArcGIS Desktop
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