https://community.esri.com/t5/arcgis-pro-sdk-questions/how-to-open-the-same-query-layer-in-two-map/m-p/1255677#M9391 <P>Opening several query layers with the same definition query via</P><P>&nbsp;</P><LI-CODE lang="csharp">var desc = db.GetQueryDescription(sql, name); var table = db.OpenTable(desc);</LI-CODE><P>&nbsp;</P><P>leads to a featureclass already exists exception.</P><P>Is there any way to instead get the already existing feature class? Currently we iterate through all MapProjectItems to find the existing opened featureclass, but this can be slow when maps need to be loaded.</P> Tue, 07 Feb 2023 14:48:38 GMT Naomi- 2023-02-07T14:48:38Z https://community.esri.com/t5/arcgis-pro-sdk-questions/how-to-open-the-same-query-layer-in-two-map/m-p/1255677#M9391 <P>Opening several query layers with the same definition query via</P><P>&nbsp;</P><LI-CODE lang="csharp">var desc = db.GetQueryDescription(sql, name); var table = db.OpenTable(desc);</LI-CODE><P>&nbsp;</P><P>leads to a featureclass already exists exception.</P><P>Is there any way to instead get the already existing feature class? Currently we iterate through all MapProjectItems to find the existing opened featureclass, but this can be slow when maps need to be loaded.</P> Tue, 07 Feb 2023 14:48:38 GMT https://community.esri.com/t5/arcgis-pro-sdk-questions/how-to-open-the-same-query-layer-in-two-map/m-p/1255677#M9391 Naomi- 2023-02-07T14:48:38Z