database/mariadb-columnstore-engine
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MCOL-4685: Eliminate some irrelevant settings (uncompressed data and extents per file).

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This patch:
1. Removes the option to declare uncompressed columns (set columnstore_compression_type = 0).
2. Ignores [COMMENT '[compression=0] option at table or column level (no error messages, just disregard).
3. Removes the option to set more than 2 extents per file (ExtentsPreSegmentFile).
4. Updates rebuildEM tool to support up to 10 dictionary extent per dictionary segment file.
5. Adds check for `DBRootStorageType` for rebuildEM tool.
6. Renamed rebuildEM to mcsRebuildEM.
This commit is contained in:
Denis Khalikov
2021-05-05 15:02:08 +03:00
parent ddf19a9cc3
commit 606194e6e4
23 changed files with 170 additions and 143 deletions
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4
writeengine/shared/we_config.cpp
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@@ -153,10 +153,6 @@ void Config::checkReload( )
// Initialize extents per segment file
//--------------------------------------------------------------------------
m_ExtentsPerSegmentFile = DEFAULT_EXTENTS_PER_SEGMENT_FILE;
string epsf = cf->getConfig("ExtentMap", "ExtentsPerSegmentFile");
if ( epsf.length() != 0 )
m_ExtentsPerSegmentFile = cf->uFromText(epsf);
//--------------------------------------------------------------------------
// Initialize bulk load process priority