[GitHub] [arrow-rs] viirya commented on a diff in pull request #3141: comparison op: decimal128 array with scalar

[GitBox <gi...@apache.org>]

viirya commented on code in PR #3141:
URL: https://github.com/apache/arrow-rs/pull/3141#discussion_r1027061043


##########
arrow/src/compute/kernels/comparison.rs:
##########
@@ -6915,6 +6926,67 @@ mod tests {
         assert_eq!(e, r);
     }
 
+    #[test]
+    fn test_decimal128_scalar() {
+        let a = Decimal128Array::from(
+            vec![Some(1), Some(2), Some(3), None, Some(4), Some(5)],
+        );
+        let b = 3_i128;
+        // array eq scalar
+        let e = BooleanArray::from(
+            vec![Some(false), Some(false), Some(true), None, Some(false), Some(false)],
+        );
+        let r = eq_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+        let r = eq_dyn_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+
+        // array neq scalar
+        let e = BooleanArray::from(
+            vec![Some(true), Some(true), Some(false), None, Some(true), Some(true)],
+        );
+        let r = neq_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+        let r = neq_dyn_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+
+        // array lt scalar
+        let e = BooleanArray::from(
+            vec![Some(true), Some(true), Some(false), None, Some(false), Some(false)],
+        );
+        let r = lt_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+        let r = lt_dyn_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+
+        // array lt_eq scalar
+        let e = BooleanArray::from(
+            vec![Some(true), Some(true), Some(true), None, Some(false), Some(false)],
+        );
+        let r = lt_eq_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+        let r = lt_eq_dyn_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+
+        // array gt scalar
+        let e = BooleanArray::from(
+            vec![Some(false), Some(false), Some(false), None, Some(true), Some(true)],
+        );
+        let r = gt_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+        let r = gt_dyn_scalar(&a, b).unwrap();
+        assert_eq!(e, r);
+
+        // array gt_eq scalar
+        let e = BooleanArray::from(
+            vec![Some(false), Some(false), Some(false), None, Some(true), Some(true)],
+        );
+        let r = gt_eq_scalar(&a, b).unwrap();
+        assert_eq!(e, r);

Review Comment:
   ```suggestion
           let e = BooleanArray::from(
               vec![Some(false), Some(false), Some(true), None, Some(true), Some(true)],
           );
           let r = gt_eq_scalar(&a, b).unwrap();
           assert_eq!(e, r);
   ```



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