apache / carbondata / 826

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[CARBONDATA-2753][Compatibility] Merge Index file not getting created with blocklet information for old store

Problem
Merge Index file not getting created with blocklet information for old store

Analysis
In legacy store (store <= 1.1 version), blocklet information is not written in the carbon Index files. When merge Index is created using the Alter DDL command on old store then merge Index file should be created with blocklet information which is as per the new store. This is not happening because the flag to read the carbondata file footer is not passed as true from Alter DDL command flow.

Fix
Pass the flag to read carbondataFileFooter as true while creating the merge Index file using Alter DDL command

This closes #2593

9 of 9 new or added lines in 2 files covered. (100.0%)

57034 of 70454 relevant lines covered (80.95%)

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