Repository: hive Updated Branches: refs/heads/master 22494f8bd -> fafa953ff
HIVE-16969: Improvement performance of MapOperator for Parquet (Colin Ma, reviewed by Ferdinand Xu) Project: http://git-wip-us.apache.org/repos/asf/hive/repo Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/fafa953f Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/fafa953f Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/fafa953f Branch: refs/heads/master Commit: fafa953ffcb4c94997feca3e3ed3a23a91a0fe4a Parents: 22494f8 Author: Ferdinand Xu <cheng.a...@intel.com> Authored: Wed Jun 28 13:41:24 2017 +0800 Committer: Ferdinand Xu <cheng.a...@intel.com> Committed: Wed Jun 28 13:41:24 2017 +0800 ---------------------------------------------------------------------- ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java | 3 +++ 1 file changed, 3 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hive/blob/fafa953f/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java ---------------------------------------------------------------------- diff --git a/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java b/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java index d801ae7..a5a56ea 100644 --- a/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java +++ b/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java @@ -346,6 +346,9 @@ public class MapOperator extends AbstractMapOperator { } String tableName = conf.getPathToPartitionInfo().get(e.getKey()).getTableName(); + if (tableNameToConf.containsKey(tableName)) { + continue; + } for (String alias: aliases) { Operator<?> rootOp = conf.getAliasToWork().get(alias); if (!(rootOp instanceof TableScanOperator)) {
