Github user piaoyats commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/339#discussion_r92331735
--- Diff:
core/src/main/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryCache.java
---
@@ -167,12 +167,9 @@ private Dictionary getDictionary(
DictionaryColumnUniqueIdentifier dictionaryColumnUniqueIdentifier)
throws CarbonUtilException {
Dictionary reverseDictionary = null;
- // create column dictionary info object only if dictionary and its
- // metadata file exists for a given column identifier
- if (!isFileExistsForGivenColumn(dictionaryColumnUniqueIdentifier)) {
- throw new CarbonUtilException(
- "Either dictionary or its metadata does not exist for column
identifier :: "
- + dictionaryColumnUniqueIdentifier.getColumnIdentifier());
+ // create column dictionary info object only if it is primitive type.
+ if (dictionaryColumnUniqueIdentifier.getDataType().isComplexType()) {
+ return null;
--- End diff --
I am not sure this condition check is right or not? Maybe we still need to
do dictionary encoding for complex type?
@QiangCai pls review this logic
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