Github user mayunSaicmotor commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/833#discussion_r114095485
--- Diff: format/src/main/thrift/carbondata.thrift ---
@@ -130,6 +130,7 @@ struct DataChunk2{
9: optional list<binary> encoder_meta; // Extra information required
by encoders
10: optional BlockletMinMaxIndex min_max;
11: optional i32 numberOfRowsInpage;
+ 12: optional list<i32> bitmap_encoded_dictionaries;
--- End diff --
store each chunk' dictionaries, for example if in 2 chunks one, have
dictionary 2 and 3, and the other have 3 and 4. There are different between the
2 chunks. So bitmap_encoded_dictionaries to store the dictionaries for each
chunk.
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