Row-level indexing in bitmap indexes
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Key: HIVE-2078
URL: https://issues.apache.org/jira/browse/HIVE-2078
Project: Hive
Issue Type: Improvement
Reporter: Marquis Wang
Priority: Minor
Row-level indexing would greatly improve bitmap indexes. Without row-level
indexing, bitmap indexes are useless without using multiple indexes and
combining their bitmaps, since a block is likely to have all distinct values a
column has, as there are millions of rows in one block.
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