[GitHub] [incubator-seatunnel] Hisoka-X commented on a diff in pull request #2637: [Bug][Translation] fix data,time,timestamp convert for spark

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

Hisoka-X commented on code in PR #2637:
URL: https://github.com/apache/incubator-seatunnel/pull/2637#discussion_r969185187


##########
seatunnel-translation/seatunnel-translation-spark/seatunnel-translation-spark-common/src/main/java/org/apache/seatunnel/translation/spark/common/utils/InstantConverterUtils.java:
##########
@@ -0,0 +1,51 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.seatunnel.translation.spark.common.utils;
+
+import java.time.Instant;
+
+public class InstantConverterUtils {
+
+    private static final int MICRO_OF_SECOND = 1000_000;
+    private static final int MICRO_OF_NANOS = 1000;
+
+    /**
+     * @see Instant#toEpochMilli()
+     */
+    public static Long toEpochMicro(Instant instant) {
+        long seconds = instant.getEpochSecond();
+        int nanos = instant.getNano();
+        if (seconds < 0 && nanos > 0) {

Review Comment:
   Under what circumstances will second be less than 0？



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