ClickHouse/dbms/src/Storages/MergeTree/MergeTreeIndexReader.cpp

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Data Skipping Indices (#4143) * made index parser * added index parsing * some fixes * added index interface and factory * fixed compilation * ptrs * added indexParts * indextypes * index condition * IndexCondition * added indexes in selectexecutor * fix * changed comment * fix * added granularity * comments * fix * fix * added writing indexes * removed indexpart class * fix * added setSkipIndexes * add rw for MergeTreeIndexes * fixes * upd error * fix * fix * reading * test index * fixed nullptr error * fixed * fix * unique names * asts -> exprlist * minmax index * fix * fixed select * fixed merging * fixed mutation * working minmax * removed test index * fixed style * added indexes to checkDataPart * added tests for minmax index * fixed constructor * fix style * fixed includes * fixed setSkipIndexes * added indexes meta to zookeeper * added parsing * removed throw * alter cmds parse * fix * added alter * fix * alters fix * fix alters * fix "after" * fixed alter * alter fix + test * fixes * upd setSkipIndexes * fixed alter bug with drop all indices * fix metadata editing * new test and repl fix * rm test files * fixed repl alter * fix * fix * indices * MTReadStream * upd test for bug * fix * added useful parsers and ast classes * fix * fix comments * replaced columns * fix * fixed parsing * fixed printing * fix err * basic IndicesDescription * go to IndicesDescr * moved indices * go to indicesDescr * fix test minmax_index* * fixed MT alter * fixed bug with replMT indices storing in zk * rename * refactoring * docs ru * docs ru * docs en * refactor * rename tests * fix docs * refactoring * fix * fix * fix * fixed style * unique idx * unique * fix * better minmax calculation * upd * added getBlock * unique_condition * added termForAST * unique * fixed not * uniqueCondition::mayBeTrueOnGranule * fix * fixed bug with double column * is always true * fix * key set * spaces * test * tests * fix * unique * fix * fix * fixed bug with duplicate column * removed unused data * fix * fixes * __bitSwapLastTwo * fix
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#include <Storages/MergeTree/MergeTreeIndexReader.h>
namespace DB
{
MergeTreeIndexReader::MergeTreeIndexReader(
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MergeTreeIndexPtr index_, MergeTreeData::DataPartPtr part_, size_t marks_count_, const MarkRanges & all_mark_ranges_)
: index(index_), stream(
part_->getFullPath() + index->getFileName(), ".idx", marks_count_,
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all_mark_ranges_,
{ 0, DBMS_DEFAULT_BUFFER_SIZE, false}, nullptr, nullptr,
part_->getFileSizeOrZero(index->getFileName() + ".idx"),
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&part_->index_granularity_info,
Data Skipping Indices (#4143) * made index parser * added index parsing * some fixes * added index interface and factory * fixed compilation * ptrs * added indexParts * indextypes * index condition * IndexCondition * added indexes in selectexecutor * fix * changed comment * fix * added granularity * comments * fix * fix * added writing indexes * removed indexpart class * fix * added setSkipIndexes * add rw for MergeTreeIndexes * fixes * upd error * fix * fix * reading * test index * fixed nullptr error * fixed * fix * unique names * asts -> exprlist * minmax index * fix * fixed select * fixed merging * fixed mutation * working minmax * removed test index * fixed style * added indexes to checkDataPart * added tests for minmax index * fixed constructor * fix style * fixed includes * fixed setSkipIndexes * added indexes meta to zookeeper * added parsing * removed throw * alter cmds parse * fix * added alter * fix * alters fix * fix alters * fix "after" * fixed alter * alter fix + test * fixes * upd setSkipIndexes * fixed alter bug with drop all indices * fix metadata editing * new test and repl fix * rm test files * fixed repl alter * fix * fix * indices * MTReadStream * upd test for bug * fix * added useful parsers and ast classes * fix * fix comments * replaced columns * fix * fixed parsing * fixed printing * fix err * basic IndicesDescription * go to IndicesDescr * moved indices * go to indicesDescr * fix test minmax_index* * fixed MT alter * fixed bug with replMT indices storing in zk * rename * refactoring * docs ru * docs ru * docs en * refactor * rename tests * fix docs * refactoring * fix * fix * fix * fixed style * unique idx * unique * fix * better minmax calculation * upd * added getBlock * unique_condition * added termForAST * unique * fixed not * uniqueCondition::mayBeTrueOnGranule * fix * fixed bug with double column * is always true * fix * key set * spaces * test * tests * fix * unique * fix * fix * fixed bug with duplicate column * removed unused data * fix * fixes * __bitSwapLastTwo * fix
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ReadBufferFromFileBase::ProfileCallback{}, CLOCK_MONOTONIC_COARSE)
{
stream.seekToStart();
}
void MergeTreeIndexReader::seek(size_t mark)
{
stream.seekToMark(mark);
}
MergeTreeIndexGranulePtr MergeTreeIndexReader::read()
{
auto granule = index->createIndexGranule();
granule->deserializeBinary(*stream.data_buffer);
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std::cerr << "(MergeTreeIndexReader) granule.empty(): " << granule->empty() << "\n";
Data Skipping Indices (#4143) * made index parser * added index parsing * some fixes * added index interface and factory * fixed compilation * ptrs * added indexParts * indextypes * index condition * IndexCondition * added indexes in selectexecutor * fix * changed comment * fix * added granularity * comments * fix * fix * added writing indexes * removed indexpart class * fix * added setSkipIndexes * add rw for MergeTreeIndexes * fixes * upd error * fix * fix * reading * test index * fixed nullptr error * fixed * fix * unique names * asts -> exprlist * minmax index * fix * fixed select * fixed merging * fixed mutation * working minmax * removed test index * fixed style * added indexes to checkDataPart * added tests for minmax index * fixed constructor * fix style * fixed includes * fixed setSkipIndexes * added indexes meta to zookeeper * added parsing * removed throw * alter cmds parse * fix * added alter * fix * alters fix * fix alters * fix "after" * fixed alter * alter fix + test * fixes * upd setSkipIndexes * fixed alter bug with drop all indices * fix metadata editing * new test and repl fix * rm test files * fixed repl alter * fix * fix * indices * MTReadStream * upd test for bug * fix * added useful parsers and ast classes * fix * fix comments * replaced columns * fix * fixed parsing * fixed printing * fix err * basic IndicesDescription * go to IndicesDescr * moved indices * go to indicesDescr * fix test minmax_index* * fixed MT alter * fixed bug with replMT indices storing in zk * rename * refactoring * docs ru * docs ru * docs en * refactor * rename tests * fix docs * refactoring * fix * fix * fix * fixed style * unique idx * unique * fix * better minmax calculation * upd * added getBlock * unique_condition * added termForAST * unique * fixed not * uniqueCondition::mayBeTrueOnGranule * fix * fixed bug with double column * is always true * fix * key set * spaces * test * tests * fix * unique * fix * fix * fixed bug with duplicate column * removed unused data * fix * fixes * __bitSwapLastTwo * fix
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return granule;
}
}