feat: add nullif function (#291)

substrait-io · Aug 17, 2022 · dc677c2 · dc677c2
1 parent 1bd1bd1
commit dc677c2
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/extensions/functions_comparison.yaml b/extensions/functions_comparison.yaml
@@ -107,4 +107,12 @@ scalar_functions:
           - value: fp64
         nullability: DECLARED_OUTPUT
         return: BOOLEAN
+  -
+    name: "nullif"
+    description: If two values are equal, return null. Otherwise, return the first value.
+    impls:
+      - args:
+          - value: any1
+          - value: any1
+        return: any1