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Posted to commits@hudi.apache.org by GitBox <gi...@apache.org> on 2022/08/24 01:46:09 UTC

[GitHub] [hudi] nsivabalan commented on a diff in pull request #6000: [HUDI-4340] fix not parsable text DateTimeParseException in HoodieInstantTimeGenerator.parseDateFromInstantTime

nsivabalan commented on code in PR #6000:
URL: https://github.com/apache/hudi/pull/6000#discussion_r953246798


##########
hudi-common/src/main/java/org/apache/hudi/common/table/timeline/HoodieActiveTimeline.java:
##########
@@ -75,16 +75,56 @@ public class HoodieActiveTimeline extends HoodieDefaultTimeline {
       REQUESTED_REPLACE_COMMIT_EXTENSION, INFLIGHT_REPLACE_COMMIT_EXTENSION, REPLACE_COMMIT_EXTENSION,
       REQUESTED_INDEX_COMMIT_EXTENSION, INFLIGHT_INDEX_COMMIT_EXTENSION, INDEX_COMMIT_EXTENSION,
       REQUESTED_SAVE_SCHEMA_ACTION_EXTENSION, INFLIGHT_SAVE_SCHEMA_ACTION_EXTENSION, SAVE_SCHEMA_ACTION_EXTENSION));
+
+  private static final Set<String> NOT_PARSABLE_TIMESTAMPS = new HashSet<String>(3) {{
+      add(HoodieTimeline.INIT_INSTANT_TS);
+      add(HoodieTimeline.METADATA_BOOTSTRAP_INSTANT_TS);
+      add(HoodieTimeline.FULL_BOOTSTRAP_INSTANT_TS);
+    }};
+
   private static final Logger LOG = LogManager.getLogger(HoodieActiveTimeline.class);
   protected HoodieTableMetaClient metaClient;
 
   /**
    * Parse the timestamp of an Instant and return a {@code Date}.
+   * Throw ParseException if timestamp not valid format as
+   *  {@link org.apache.hudi.common.table.timeline.HoodieInstantTimeGenerator#SECS_INSTANT_TIMESTAMP_FORMAT}.
+   *
+   * @param timestamp a timestamp String which follow pattern as
+   *  {@link org.apache.hudi.common.table.timeline.HoodieInstantTimeGenerator#SECS_INSTANT_TIMESTAMP_FORMAT}.
+   * @return Date of instant timestamp
    */
   public static Date parseDateFromInstantTime(String timestamp) throws ParseException {
     return HoodieInstantTimeGenerator.parseDateFromInstantTime(timestamp);
   }
 
+  /**
+   * The same format method as above, but this method will mute ParseException
+   * if the gaven timestamp is invalid and return Date(0), or a corresponding Date if these timestamp provided
+   *  {@link org.apache.hudi.common.table.timeline.HoodieTimeline#INIT_INSTANT_TS},
+   *  {@link org.apache.hudi.common.table.timeline.HoodieTimeline#METADATA_BOOTSTRAP_INSTANT_TS},
+   *  {@link org.apache.hudi.common.table.timeline.HoodieTimeline#FULL_BOOTSTRAP_INSTANT_TS}.
+   * This method is useful when parse timestamp for metrics
+   *
+   * @param timestamp a timestamp String which follow pattern as
+   *  {@link org.apache.hudi.common.table.timeline.HoodieInstantTimeGenerator#SECS_INSTANT_TIMESTAMP_FORMAT}.
+   * @return Date of instant timestamp
+   */
+  public static Date parseDateFromInstantTimeSafely(String timestamp) {
+    Date parsedDate;
+    try {
+      parsedDate = HoodieInstantTimeGenerator.parseDateFromInstantTime(timestamp);
+    } catch (ParseException e) {
+      LOG.warn("Failed to parse timestamp " + timestamp + " because of " + e.getMessage());

Review Comment:
   can we move this warn msg into else block. 



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