wip

src/libraries/Microsoft.PowerFx.Core/Entities/External/TableDelegationInfo.cs

@@ -22,6 +22,8 @@ public abstract class TableDelegationInfo
         // Used to indicate whether this table has selectable columns
         public SelectionRestrictions SelectionRestriction { get; init; }
 
+        public SummarizeRestrictions SummarizeRestriction { get; init; }
+
         // Defines ungroupable columns
         public GroupRestrictions GroupRestriction { get; init; }
 
@@ -262,6 +264,30 @@ public SelectionRestrictions()
         }
     }
 
+    public sealed class SummarizeRestrictions
+    {
+        /// <summary>
+        /// List of properties that can not be summarized.
+        /// </summary>
+        public ICollection<string> NonSummarizableProperties { get; init; }
+
+        public ICollection<SummarizeMethod> NotSupportedSummarizeMethods { get; init; }
+
+        public SummarizeRestrictions()
+        {
+        }
+    }
+
+    public enum SummarizeMethod
+    {
+        None,
+        Sum,
+        Average,
+        Min,
+        Max,
+        Count,
+    }
+
     public sealed class FilterRestrictions
     {
         // List of required properties