southernriver commented on code in PR #4605:
URL: https://github.com/apache/iceberg/pull/4605#discussion_r855702108
##########
mr/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergOutputCommitter.java:
##########
@@ -285,16 +288,33 @@ private void commitTable(FileIO io, ExecutorService
executor, JobContext jobCont
Collection<DataFile> dataFiles = dataFiles(executor, location, jobContext,
io, true);
- if (dataFiles.size() > 0) {
+ boolean isOverwrite = conf.getBoolean(ConfigProperties.IS_OVERWRITE,
false);
+
+ if (isOverwrite) {
+ if (!dataFiles.isEmpty()) {
+ ReplacePartitions overwrite = table.newReplacePartitions();
+ dataFiles.forEach(overwrite::addFile);
+ overwrite.commit();
+ LOG.info("Overwrite commit took {} ms for table: {} with {} file(s)",
System.currentTimeMillis() - startTime,
+ table, dataFiles.size());
+ } else if (table.spec().isUnpartitioned()) {
+
table.newDelete().deleteFromRowFilter(Expressions.alwaysTrue()).commit();
+ LOG.info("Cleared table contents as part of empty overwrite for
unpartitioned table. " +
+ "Commit took {} ms for table: {}", System.currentTimeMillis() -
startTime, table);
+ }
Review Comment:
Not do anything, I added some log.
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