satishkotha commented on a change in pull request #1320: [HUDI-571] Add min/max
headers on archived files
URL: https://github.com/apache/incubator-hudi/pull/1320#discussion_r381030813
##########
File path:
hudi-client/src/main/java/org/apache/hudi/io/HoodieCommitArchiveLog.java
##########
@@ -268,6 +270,19 @@ public Path getArchiveFilePath() {
return archiveFilePath;
}
+ private void writeHeaderBlock(Schema wrapperSchema, List<HoodieInstant>
instants) throws Exception {
+ if (!instants.isEmpty()) {
+ Collections.sort(instants, HoodieInstant.COMPARATOR);
+ HoodieInstant minInstant = instants.get(0);
+ HoodieInstant maxInstant = instants.get(instants.size() - 1);
+ Map<HeaderMetadataType, String> metadataMap = Maps.newHashMap();
+ metadataMap.put(HeaderMetadataType.SCHEMA, wrapperSchema.toString());
+ metadataMap.put(HeaderMetadataType.MIN_INSTANT_TIME,
minInstant.getTimestamp());
+ metadataMap.put(HeaderMetadataType.MAX_INSTANT_TIME,
maxInstant.getTimestamp());
+ this.writer.appendBlock(new HoodieAvroDataBlock(Collections.emptyList(),
metadataMap));
+ }
+ }
+
private void writeToFile(Schema wrapperSchema, List<IndexedRecord> records)
throws Exception {
Review comment:
addressed. added a unit test for this scenario
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