Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/973#discussion_r143753438
--- Diff:
contrib/storage-hbase/src/main/java/org/apache/drill/exec/store/hbase/HBaseGroupScan.java
---
@@ -143,9 +143,9 @@ private HBaseGroupScan(HBaseGroupScan that) {
@Override
public GroupScan clone(List<SchemaPath> columns) {
+ HBaseUtils.verifyColumns(columns, hTableDesc);
--- End diff --
We should replace null columns with all_columns before verification or we
will get exception. You have changed initial order of statements.
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