deniskuzZ commented on code in PR #6413:
URL: https://github.com/apache/hive/pull/6413#discussion_r3396185556
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/ColumnPrunerProcFactory.java:
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@@ -521,16 +521,27 @@ public static void setupNeededColumns(TableScanOperator
scanOp, RowSchema inputR
cols.add(new FieldNode(VirtualColumn.RAWDATASIZE.getName()));
}
+ Table tableMetadata = desc.getTableMetadata();
+ Set<String> nonNativePartitionKeyNames = null;
+ if (tableMetadata != null && tableMetadata.hasNonNativePartitionSupport())
{
+ nonNativePartitionKeyNames = new HashSet<>();
+ for (FieldSchema partCol : tableMetadata.getPartCols()) {
+ nonNativePartitionKeyNames.add(partCol.getName().toLowerCase());
+ }
+ }
+
for (FieldNode fn : cols) {
String column = fn.getFieldName();
ColumnInfo colInfo = inputRS.getColumnInfo(column);
if (colInfo == null) {
continue;
}
referencedColumnNames.add(column);
- if (colInfo.getIsVirtualCol() && !colInfo.isHiddenPartitionCol()) {
+ boolean isNonNativePartitionSourceCol = nonNativePartitionKeyNames !=
null
Review Comment:
i don't think we'll notice a perf diff since number of partition columns is
small
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