feat: add any_value aggregate function (#321)

substrait-io · Sep 19, 2022 · 6f603d3 · 6f603d3
1 parent fe75d4d
commit 6f603d3
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/extensions/functions_aggregate_generic.yaml b/extensions/functions_aggregate_generic.yaml
@@ -25,3 +25,14 @@ aggregate_functions:
         decomposable: MANY
         intermediate: i64
         return: i64
+  - name: "any_value"
+    description: >
+      Selects an arbitrary value from a group of values.
+
+      If the input is empty, the function returns null.
+    impls:
+      - args:
+          - name: x
+            value: any
+        nullability: DECLARED_OUTPUT
+        return: any?