Github user kumarvishal09 commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/631#discussion_r104962645
--- Diff: format/src/main/thrift/carbondata.thrift ---
@@ -183,11 +183,23 @@ struct FileFooter{
}
/**
+* Footer for indexed carbon file
+*/
+struct FileFooterVersion3{
+ 1: required i64 num_rows; // Total number of rows in this file
+ 2: required SegmentInfo segment_info; // Segment info (will be
same/repeated for all files in this segment)
+ 3: required list<BlockletIndex> blocklet_index_list; // blocklet
index of all blocklets in this file
+ 4: optional list<BlockletInfo3> blocklet_info_list3; // Information
about blocklets of all columns in this file
+ 5: optional dictionary.ColumnDictionaryChunk dictionary; // blocklet
local dictionary
+}
+
+/**
* Header for appendable carbon file
--- End diff --
Yes it will support both, appendable and columnar format
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