topic deleteFeatures behavior? in ArcGIS REST APIs and Services Questions https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/deletefeatures-behavior/m-p/491018#M2351 <HTML><HEAD></HEAD><BODY><P>Reference: Delete Features API: <A class="link-titled" href="https://developers.arcgis.com/rest/services-reference/delete-features.htm" title="https://developers.arcgis.com/rest/services-reference/delete-features.htm">Delete Features—ArcGIS REST API: Services Directory | ArcGIS for Developers</A>&nbsp;</P><P></P><P>Scenario A: object ID 1 exists in my layer.&nbsp; If I send a deleteFeatures request through the REST API using the objectIds parameter, and I get the expected response with the "deleteResults" array in the returned JSON object.</P><P></P><P>Scenario B: object ID 2 doesn't exist in my layer; I already deleted it, but something happened and my application failed to mark it as deleted in it's local state.&nbsp; So, later on, I try to delete it again.&nbsp; If I send the same request as scenario A, the response I receive is simply an empty JSON object.</P><P></P><P>From these I have a few questions:</P><P>1 - Is this expected behavior?&nbsp; I question it because as far as I can tell, it's not documented.</P><P>2 - If an object ID I provided to the deleteFeatures API is not included in the response, can I safely assume that that object ID does not exist in the layer?&nbsp; Or would I need to make a query to double check?</P><P>3 - Are there any other similar quirks with the add/update/deleteFeatures API that may not be documented or may be easy to overlook?</P></BODY></HTML> Thu, 21 Feb 2019 04:20:39 GMT AdamEggum 2019-02-21T04:20:39Z deleteFeatures behavior? https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/deletefeatures-behavior/m-p/491018#M2351 <HTML><HEAD></HEAD><BODY><P>Reference: Delete Features API: <A class="link-titled" href="https://developers.arcgis.com/rest/services-reference/delete-features.htm" title="https://developers.arcgis.com/rest/services-reference/delete-features.htm">Delete Features—ArcGIS REST API: Services Directory | ArcGIS for Developers</A>&nbsp;</P><P></P><P>Scenario A: object ID 1 exists in my layer.&nbsp; If I send a deleteFeatures request through the REST API using the objectIds parameter, and I get the expected response with the "deleteResults" array in the returned JSON object.</P><P></P><P>Scenario B: object ID 2 doesn't exist in my layer; I already deleted it, but something happened and my application failed to mark it as deleted in it's local state.&nbsp; So, later on, I try to delete it again.&nbsp; If I send the same request as scenario A, the response I receive is simply an empty JSON object.</P><P></P><P>From these I have a few questions:</P><P>1 - Is this expected behavior?&nbsp; I question it because as far as I can tell, it's not documented.</P><P>2 - If an object ID I provided to the deleteFeatures API is not included in the response, can I safely assume that that object ID does not exist in the layer?&nbsp; Or would I need to make a query to double check?</P><P>3 - Are there any other similar quirks with the add/update/deleteFeatures API that may not be documented or may be easy to overlook?</P></BODY></HTML> Thu, 21 Feb 2019 04:20:39 GMT https://community.esri.com/t5/arcgis-rest-apis-and-services-questions/deletefeatures-behavior/m-p/491018#M2351 AdamEggum 2019-02-21T04:20:39Z