SNOW-1551862 Don't Report Error in UpdateResult when ERROR_ON_NONDETERMINISTIC_UPDATE=true

src/main/scala/com/snowflake/snowpark/Updatable.scala

@@ -10,7 +10,11 @@ private[snowpark] object Updatable extends Logging {
     new Updatable(tableName, session, DataFrame.methodChainCache.value)
 
   private[snowpark] def getUpdateResult(rows: Array[Row]): UpdateResult =
-    UpdateResult(rows.head.getLong(0), rows.head.getLong(1))
+    UpdateResult(rows.head.getLong(0), if (rows.head.length == 1) {
+      0
+    } else {
+      rows.head.getLong(1)
+    })
 
   private[snowpark] def getDeleteResult(rows: Array[Row]): DeleteResult =
     DeleteResult(rows.head.getLong(0))

src/test/java/com/snowflake/snowpark_test/JavaUpdatableSuite.java

@@ -350,6 +350,29 @@ public void cloneTest() {
     }
   }
 
+  @Test
+  public void singleColumnUpdateResult() {
+    Map<String, String> params = new HashMap<>();
+    params.put("ERROR_ON_NONDETERMINISTIC_UPDATE", "true");
+    withSessionParameters(
+        params,
+        getSession(),
+        false,
+        () -> {
+          String tableName = randomName();
+          try {
+            createTestTable(tableName);
+            Map<Column, Column> map = new HashMap<>();
+            map.put(Functions.col("col1"), Functions.lit(3));
+            UpdateResult result = getSession().table(tableName).update(map);
+            assert result.getRowsUpdated() == 2;
+            assert result.getMultiJoinedRowsUpdated() == 0;
+          } finally {
+            dropTable(tableName);
+          }
+        });
+  }
+
   private void createTestTable(String name) {
     Row[] data = {Row.create(1, "a", true), Row.create(2, "b", false)};
     StructType schema =

src/test/scala/com/snowflake/snowpark/SNTestBase.scala

@@ -310,7 +310,8 @@ trait SNTestBase extends FunSuite with BeforeAndAfterAll with SFTestUtils with S
         ("FORCE_ENABLE_STRUCTURED_TYPES_NATIVE_ARROW_FORMAT", "true"),
         ("ENABLE_STRUCTURED_TYPES_NATIVE_ARROW_FORMAT", "true"),
         ("ENABLE_STRUCTURED_TYPES_IN_BINDS", "enable")),
-      currentSession, skipPreprod = true)(thunk)
+      currentSession,
+      skipPreprod = true)(thunk)
     // disable these tests on preprod daily tests until these parameters are enabled by default.
   }
 }

src/test/scala/com/snowflake/snowpark_test/UpdatableSuite.scala

@@ -388,4 +388,14 @@ class UpdatableSuite extends TestData {
       dropTable(tableName)
     }
   }
+
+  test("ERROR_ON_NONDETERMINISTIC_UPDATE = true") {
+    withSessionParameters(Seq(("ERROR_ON_NONDETERMINISTIC_UPDATE", "true")), session) {
+      testData2.write.mode(SaveMode.Overwrite).saveAsTable(tableName)
+      val updatable = session.table(tableName)
+      testData2.write.mode(SaveMode.Overwrite).saveAsTable(tableName)
+      assert(updatable.update(Map(col("a") -> lit(1), col("b") -> lit(0))) == UpdateResult(6, 0))
+    }
+  }
 }
+