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ClickHouse/tests/queries/0_stateless/00950_test_double_delta_codec.reference

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DoubleDelta column encoding. Added DoubleDelta column encoding + test cases; Added BitWriter and BitReader that allow to read data from ReadBuffer and write data to WriteBuffer bit by bit, up to 64 bits at once; Added test for BitReader and BitWriter.
2019-06-03 09:56:50 +00:00
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Fixed DoubleDelta codec edge case Casused by mistreating negative double delta value as HUGE unsigned value, crippling compression ratio.
2019-07-01 14:11:24 +00:00
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