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From "Jihong MA (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CARBONDATA-607) Cleanup ValueCompressionHolder class and all sub-classes
Date Sat, 07 Jan 2017 16:56:58 GMT
Jihong MA created CARBONDATA-607:
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             Summary: Cleanup ValueCompressionHolder class and all sub-classes
                 Key: CARBONDATA-607
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-607
             Project: CarbonData
          Issue Type: Improvement
          Components: core
            Reporter: Jihong MA
            Assignee: Jihong MA


Rewrite ValueCompressionHolder class as a base class for compressing or uncompressing numeric
data for measurement column chunk. 

refactored all sub-classes under
org.apache.carbondata.core.datastorage.store.compression.decimal.*
org.apache.carbondata.core.datastorage.store.compression.nonDecimal.*
org.apache.carbondata.core.datastorage.store.compression.none.*
org.apache.carbondata.core.datastorage.store.compression.type.*

as part of the work, also fixed a performance bug to avoid creating unnecessary compression/uncompression
value holder during compression or decompression. 



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