Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2318#discussion_r190279377
--- Diff:
hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonInputFormat.java ---
@@ -504,7 +505,24 @@ public QueryModel createQueryModel(InputSplit
inputSplit, TaskAttemptContext tas
String projectionString = getColumnProjection(configuration);
String[] projectColumns;
if (projectionString != null) {
- projectColumns = projectionString.split(",");
+ if (projectionString.equalsIgnoreCase("*")) {
--- End diff --
instead of passing `*`, I think better to add another function to project
all columns. You can add `projectAllColumns()`
---
