Chaoyu Tang created HIVE-11964:
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Summary: RelOptHiveTable.hiveColStatsMap might contain mismatched
column stats
Key: HIVE-11964
URL: https://issues.apache.org/jira/browse/HIVE-11964
Project: Hive
Issue Type: Bug
Components: Query Planning, Statistics
Affects Versions: 1.2.1
Reporter: Chaoyu Tang
Assignee: Chaoyu Tang
RelOptHiveTable.hiveColStatsMap might contain mismatched stats since it was
built by assuming the stats returned from
==
hiveColStats =StatsUtils.getTableColumnStats(hiveTblMetadata,
hiveNonPartitionCols, nonPartColNamesThatRqrStats);
or
HiveMetaStoreClient.getTableColumnStatistics(dbName, tableName, colNames)
==
have the same order of the requested columns. But actually the order is
non-deterministic. therefore the returned stats should be re-ordered before it
is put in hiveColStatsMap.
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