Ravindra Pesala created CARBONDATA-861:
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Summary: Improvements in query processing.
Key: CARBONDATA-861
URL: https://issues.apache.org/jira/browse/CARBONDATA-861
Project: CarbonData
Issue Type: Improvement
Reporter: Ravindra Pesala
Priority: Minor
Following are the list of can improvements done
Remove multiple creation of array and copy of it in Dimension and measure chunk
readers.
Simplify logic of finding offsets of nodictionary keys in the class
SafeVariableLengthDimensionDataChunkStore.
Avoid byte array creation and copy for nodictionary columns in case of
vectorized reader. Instead directly sending the length and offset to vector.
Remove unnecessary decoder plan additions to oprtimized plan. It can optimize
the codegen flow.
Update CompareTest to take table blocksize and kept as 32 Mb in order to make
use of small sorting when doing take ordered in spark.
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