[
https://issues.apache.org/jira/browse/HIVE-27007?focusedWorklogId=843384&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-843384
]
ASF GitHub Bot logged work on HIVE-27007:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Feb/23 06:40
Start Date: 03/Feb/23 06:40
Worklog Time Spent: 10m
Work Description: simhadri-g commented on code in PR #4000:
URL: https://github.com/apache/hive/pull/4000#discussion_r1095405415
##########
ql/src/java/org/apache/hadoop/hive/ql/stats/StatsUtils.java:
##########
@@ -454,6 +468,27 @@ private static Statistics collectStatistics(HiveConf conf,
PrunedPartitionList p
return stats;
}
+ private static Map<String, Long> getValidBasicStatsFromStorageHandler(Table
table) {
+
+ Map<String, String> storageHandlerBasicStatsMap =
+ (table.isNonNative() &&
table.getStorageHandler().canProvideBasicStatistics()) ?
table.getStorageHandler()
+ .getBasicStatistics(Partish.buildFor(table)) : null;
+
+ try {
+ if (storageHandlerBasicStatsMap != null &&
+
Long.parseLong(storageHandlerBasicStatsMap.get(StatsSetupConst.ROW_COUNT)) > 0)
{
Review Comment:
Yes, snapshots are not created for a new table until data is inserted. As a
result, stats are not available.
The following line turns out to be null for the new table.
` if (table.currentSnapshot() != null) `
https://github.com/apache/hive/blob/master/iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java#L316
Issue Time Tracking
-------------------
Worklog Id: (was: 843384)
Time Spent: 3h (was: 2h 50m)
> Iceberg: Use BasicStats from iceberg table's currrentSnapshot.summary() for
> query planning
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-27007
> URL: https://issues.apache.org/jira/browse/HIVE-27007
> Project: Hive
> Issue Type: Improvement
> Reporter: Simhadri Govindappa
> Assignee: Simhadri Govindappa
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h
> Remaining Estimate: 0h
>
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
