Github user dhatchayani commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2549#discussion_r205050550
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedResultCollector.java
---
@@ -141,22 +141,52 @@ public
DictionaryBasedResultCollector(BlockExecutionInfo blockExecutionInfos) {
}
fillMeasureData(scannedResult, row);
if
(scannedResult.complexParentIndexToQueryMap.toString().contains("StructQueryType"))
{
+ int[] isComplexColumn = new int[queryDimensions.length +
queryMeasures.length];
+ for (ProjectionDimension dimension : queryDimensions) {
+ if (null !=
dimension.getDimension().getComplexParentDimension()) {
+ isComplexColumn[dimension.getOrdinal()] = 1;
--- End diff --
yes. If it has complex parent dimension it is a complex child column
---