Details
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Improvement
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Status: Closed
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Major
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Resolution: Fixed
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None
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None
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Reviewed
Description
This is especially useful for a filter scanning.
For example, for query 'select a, b, c from table_rc_lazydecompress where a>1;' we only need to decompress the block data of b,c columns when one row's column 'a' in that block satisfies the filter condition.