database/mariadb-columnstore-engine
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MCOL-267 DML support

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* DML writes for multi-block dictionary (blob) now works
* PrimProc fixed so that the first block in multi-block is read
correctly
* Performance optimisation (removed string copy into stack) for new
dictionary entries
This commit is contained in:
Andrew Hutchings
2017-03-18 14:31:29 +00:00
parent c08d03fba4
commit aea729fe7d
14 changed files with 76 additions and 52 deletions
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writeengine/shared/we_chunkmanager.cpp
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@ -1587,7 +1587,7 @@ int ChunkManager::calculateHeaderSize(int width)
int rowsPerExtent = BRMWrapper::getInstance()->getExtentRows();
int rowsPerFile = rowsPerExtent * extentsPerFile;
int stringsPerBlock = 8180 / (width + 2); // 8180 = 8192 - 12
//TODO: temporary fix for Blob
// BLOB is 1 string per block
if (stringsPerBlock == 0)
stringsPerBlock = 1;
int blocksNeeded = rowsPerFile / stringsPerBlock;