[GitHub] [carbondata] QiangCai commented on a change in pull request #3874: [CARBONDATA-3931]Fix Secondary index with index column as DateType giving wrong results

[GitBox]

QiangCai commented on a change in pull request #3874:
URL: https://github.com/apache/carbondata/pull/3874#discussion_r468361486



##
File path: 
integration/spark/src/main/java/org/apache/spark/sql/secondaryindex/query/SecondaryIndexQueryResultProcessor.java
##
@@ -259,7 +262,7 @@ private void processResult(List> 
detailQueryResultItera
   CarbonDimension dims = dimensions.get(i);
   if (dims.hasEncoding(Encoding.DICTIONARY)) {
 // dictionary
-preparedRow[i] = factToIndexDictColumnMapping[dictionaryIndex++];
+preparedRow[i] = dictionaryValues[dictionaryIndex++];

Review comment:
   how about adding a method which named 
ByteArrayWrapper.getDictionaryKeyByIndex(int index)?
   





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[GitHub] [carbondata] QiangCai commented on a change in pull request #3874: [CARBONDATA-3931]Fix Secondary index with index column as DateType giving wrong results

[GitBox]

QiangCai commented on a change in pull request #3874:
URL: https://github.com/apache/carbondata/pull/3874#discussion_r466781511



##
File path: 
integration/spark/src/main/scala/org/apache/spark/sql/secondaryindex/query/SecondaryIndexQueryResultProcessor.java
##
@@ -249,10 +249,17 @@ private void processResult(List> 
detailQueryResultItera
   private Object[] prepareRowObjectForSorting(Object[] row) {
 ByteArrayWrapper wrapper = (ByteArrayWrapper) row[0];
 // ByteBuffer[] noDictionaryBuffer = new ByteBuffer[noDictionaryCount];
-
 List dimensions = segmentProperties.getDimensions();
 Object[] preparedRow = new Object[dimensions.size() + measureCount];
 
+// get dictionary values for date type
+byte[] dictionaryKey = wrapper.getDictionaryKey();
+int[] keyArray = ByteUtil.convertBytesToIntArray(dictionaryKey);
+Object[] dictionaryValues = new Object[dimensionColumnCount + 
measureCount];
+for (int i = 0; i < keyArray.length; i++) {
+  dictionaryValues[i] = keyArray[i];

Review comment:
   why do this copy





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