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Jun 01, 2021; 3:20pm
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/GitHub-carbondata-ShreelekhyaG-opened-a-new-pull-request-4142-WIP-Fix-compaction-failure-after-alter-tp108434p108513.html
akashrn5 commented on a change in pull request #4142:
URL:
https://github.com/apache/carbondata/pull/4142#discussion_r643205770##########
File path: integration/spark/src/main/java/org/apache/spark/sql/secondaryindex/query/SecondaryIndexQueryResultProcessor.java
##########
@@ -293,26 +300,32 @@ private void processResult(List<CarbonIterator<RowBatch>> detailQueryResultItera
// dictionary
preparedRow[i] = wrapper.getDictionaryKeyByIndex(dictionaryIndex++);
} else {
- if (isComplexColumn) {
- // get the flattened data of complex column
- byte[] complexKeyByIndex = wrapper.getComplexKeyByIndex(complexIndex);
- ByteBuffer byteArrayInput = ByteBuffer.wrap(complexKeyByIndex);
- GenericQueryType genericQueryType =
- complexDimensionInfoMap.get(complexColumnParentBlockIndexes[complexIndex++]);
- int complexDataLength = byteArrayInput.getShort(2);
- // In case, if array is empty
- if (complexDataLength == 0) {
- complexDataLength = complexDataLength + 1;
- }
- // get flattened array data
- Object[] complexFlattenedData = new Object[complexDataLength];
- Object[] data = genericQueryType.getObjectArrayDataBasedOnDataType(byteArrayInput);
- for (int index = 0; index < complexDataLength; index++) {
- complexFlattenedData[index] =
- getData(data, index, dims.getColumnSchema().getDataType());
+ if (isComplexColumn || isComplexColumnAdded) {
+ if (complexColumnParentBlockIndexes.length > 0) {
+ // get the flattened data of complex column
+ byte[] complexKeyByIndex = wrapper.getComplexKeyByIndex(complexIndex);
+ ByteBuffer byteArrayInput = ByteBuffer.wrap(complexKeyByIndex);
+ GenericQueryType genericQueryType =
+ complexDimensionInfoMap.get(complexColumnParentBlockIndexes[complexIndex++]);
+ int complexDataLength = byteArrayInput.getShort(2);
+ // In case, if array is empty
+ if (complexDataLength == 0) {
+ complexDataLength = complexDataLength + 1;
+ }
+ // get flattened array data
+ Object[] complexFlattenedData = new Object[complexDataLength];
+ Object[] data = genericQueryType.getObjectArrayDataBasedOnDataType(byteArrayInput);
+ for (int index = 0; index < complexDataLength; index++) {
+ complexFlattenedData[index] =
+ getData(data, index, dims.getColumnSchema().getDataType());
+ }
+ // store the dimesnion column index and the complex column flattened data to a map
+ complexDataMap.put(i, complexFlattenedData);
+ } else {
+ // when complex column is added after restructuring and
+ // column not present in parent block, let the SI row value be empty.
Review comment:
the comment is not meaningful, please restructure the comment and make it simple and understandable
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