simhadri-g commented on code in PR #4431:
URL: https://github.com/apache/hive/pull/4431#discussion_r1243764316
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java:
##########
@@ -493,18 +503,42 @@ private String getStatsSource() {
}
private Path getStatsPath(Table table) {
- return new Path(table.location() + STATS + table.name() +
table.currentSnapshot().snapshotId());
+ return getStatsPath(table, table.currentSnapshot().snapshotId());
}
- private void invalidateStats(Path statsPath) {
+ private Path getStatsPath(Table table, long snapshotId) {
+ return new Path(table.location() + STATS + table.name() + snapshotId);
+ }
+
+ private boolean checkAndInvalidateStats(Table tbl) {
+ Path statsPath = getStatsPath(tbl);
try {
FileSystem fs = statsPath.getFileSystem(conf);
if (fs.exists(statsPath)) {
- fs.delete(statsPath, true);
+ // Analyze table and stats updater thread
+ return fs.delete(statsPath, true);
}
} catch (IOException e) {
LOG.error("Failed to invalidate stale column stats: {}", e.getMessage());
Review Comment:
Puffin writer calls create instead of createoverwrite in
PositionOutputStream .
https://github.com/apache/iceberg/blob/master/core/src/main/java/org/apache/iceberg/puffin/PuffinWriter.java#L66
As a result, it "throws file already exists exception". So we had to delete
and write instead of overwrite.
Or we can fix it in iceberg repo.
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