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comparison mercurial/revlogutils/constants.py @ 47253:b876f0bf7366

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revlog: introduce a plain compression mode That mode is simple it means the chunk contains uncompressed data and can be used directly. Differential Revision: https://phab.mercurial-scm.org/D10650
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Mon, 03 May 2021 19:46:25 +0200
parents 6bfa6c2c5f15
children ff9fd7107d11
comparison
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47252:e340b556a13e 47253:b876f0bf7366
117 117
118 ## chunk compression mode constants: 118 ## chunk compression mode constants:
119 # These constants are used in revlog version >=2 to denote the compression used 119 # These constants are used in revlog version >=2 to denote the compression used
120 # for a chunk. 120 # for a chunk.
121 121
122 # Chunk use no compression, the data stored on disk can be directly use as
123 # chunk value. Without any header information prefixed.
124 COMP_MODE_PLAIN = 0
125
122 # Chunk use a compression mode stored "inline" at the start of the chunk 126 # Chunk use a compression mode stored "inline" at the start of the chunk
123 # itself. This is the mode always used for revlog version "0" and "1" 127 # itself. This is the mode always used for revlog version "0" and "1"
124 COMP_MODE_INLINE = 2 128 COMP_MODE_INLINE = 2
125 129
126 SUPPORTED_FLAGS = { 130 SUPPORTED_FLAGS = {