https://community.esri.com/t5/arcgis-pro-questions/definition-query-on-selection-layer-does-not/m-p/1256374#M65259 <P>If you create a new layer from a selection, then put a definition query on it, then calculate a field, it will change all of the features in the selection layer, even the features hidden by the definition query.</P><P>This is not how the calculate field / definition-query combo works on the original feature class. Just on the selection layer.</P><P>What a really cool feature!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!</P><P>I love esri. Seriously. I love this program. It's great. It works perfectly.</P> Thu, 09 Feb 2023 01:14:10 GMT Scoth 2023-02-09T01:14:10Z https://community.esri.com/t5/arcgis-pro-questions/definition-query-on-selection-layer-does-not/m-p/1256374#M65259 <P>If you create a new layer from a selection, then put a definition query on it, then calculate a field, it will change all of the features in the selection layer, even the features hidden by the definition query.</P><P>This is not how the calculate field / definition-query combo works on the original feature class. Just on the selection layer.</P><P>What a really cool feature!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!</P><P>I love esri. Seriously. I love this program. It's great. It works perfectly.</P> Thu, 09 Feb 2023 01:14:10 GMT https://community.esri.com/t5/arcgis-pro-questions/definition-query-on-selection-layer-does-not/m-p/1256374#M65259 Scoth 2023-02-09T01:14:10Z