Github user jackylk commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/441#discussion_r93032803
--- Diff:
hadoop/src/main/java/org/apache/carbondata/hadoop/util/CarbonInputFormatUtil.java
---
@@ -70,6 +69,18 @@ public static CarbonQueryPlan
createQueryPlan(CarbonTable carbonTable, String co
i++;
}
}
+ } else {
+ // query all columns
+ List<CarbonMeasure> tableMsrs =
carbonTable.getMeasureByTableName(factTableName);
--- End diff --
Because when I run HadoopFileExample, it is returning empty row. Then I
found out that it is because projection columns are not set in
`CarbonInputFormat`. So I have added it back. If it is removed, then it is
mandatory that user set projection columns in `CarbonInputFormat`
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