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minor changes

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This commit is contained in:
Anton Popov 2021-01-13 02:20:32 +03:00
parent 91dc347ff3
commit d7200ee2ed
12 changed files with 19 additions and 38 deletions
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3
src/DataTypes/DataTypeLowCardinality.cpp
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@ -584,9 +584,8 @@ void DataTypeLowCardinality::deserializeBinaryBulkWithMultipleStreamsImpl(
size_t limit,
DeserializeBinaryBulkSettings & settings,
DeserializeBinaryBulkStatePtr & state,
SubstreamsCache * cache) const
SubstreamsCache * /* cache */) const
{
UNUSED(cache);
ColumnLowCardinality & low_cardinality_column = typeid_cast<ColumnLowCardinality &>(column);
settings.path.push_back(Substream::DictionaryKeys);

14
src/Storages/ColumnsDescription.cpp
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@ -541,12 +541,12 @@ ColumnsDescription ColumnsDescription::parse(const String & str)
return result;
}
void ColumnsDescription::addSubcolumns(const String & storage_name, const DataTypePtr & storage_type)
void ColumnsDescription::addSubcolumns(const String & name_in_storage, const DataTypePtr & type_in_storage)
{
for (const auto & subcolumn_name : storage_type->getSubcolumnNames())
for (const auto & subcolumn_name : type_in_storage->getSubcolumnNames())
{
auto subcolumn = NameAndTypePair(storage_name, subcolumn_name,
storage_type, storage_type->getSubcolumnType(subcolumn_name));
auto subcolumn = NameAndTypePair(name_in_storage, subcolumn_name,
type_in_storage, type_in_storage->getSubcolumnType(subcolumn_name));
if (has(subcolumn.name))
throw Exception(ErrorCodes::ILLEGAL_COLUMN,
@ -556,10 +556,10 @@ void ColumnsDescription::addSubcolumns(const String & storage_name, const DataTy
}
}
void ColumnsDescription::removeSubcolumns(const String & storage_name, const DataTypePtr & storage_type)
void ColumnsDescription::removeSubcolumns(const String & name_in_storage, const DataTypePtr & type_in_storage)
{
for (const auto & subcolumn_name : storage_type->getSubcolumnNames())
subcolumns.erase(storage_name + "." + subcolumn_name);
for (const auto & subcolumn_name : type_in_storage->getSubcolumnNames())
subcolumns.erase(name_in_storage + "." + subcolumn_name);
}
Block validateColumnsDefaultsAndGetSampleBlock(ASTPtr default_expr_list, const NamesAndTypesList & all_columns, const Context & context)

4
src/Storages/ColumnsDescription.h
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@ -149,8 +149,8 @@ private:
SubcolumnsContainer subcolumns;
void modifyColumnOrder(const String & column_name, const String & after_column, bool first);
void addSubcolumns(const String & storage_name, const DataTypePtr & storage_type);
void removeSubcolumns(const String & storage_name, const DataTypePtr & storage_type);
void addSubcolumns(const String & name_in_storage, const DataTypePtr & type_in_storage);
void removeSubcolumns(const String & name_in_storage, const DataTypePtr & type_in_storage);
};
/// Validate default expressions and corresponding types compatibility, i.e.

5
src/Storages/MergeTree/IMergeTreeDataPart.cpp
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@ -193,11 +193,6 @@ std::optional<size_t> IMergeTreeDataPart::getColumnPosition(const String & colum
return it->second;
}
std::optional<size_t> IMergeTreeDataPart::getColumnPosition(const NameAndTypePair & column) const
{
return getColumnPosition(column.name);
}
DayNum IMergeTreeDataPart::getMinDate() const
{
if (storage.minmax_idx_date_column_pos != -1 && minmax_idx.initialized)

1
src/Storages/MergeTree/IMergeTreeDataPart.h
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@ -142,7 +142,6 @@ public:
/// take place, you must take original name of column for this part from
/// storage and pass it to this method.
std::optional<size_t> getColumnPosition(const String & column_name) const;
std::optional<size_t> getColumnPosition(const NameAndTypePair & column) const;
/// Returns the name of a column with minimum compressed size (as returned by getColumnSize()).
/// If no checksums are present returns the name of the first physically existing column.

2
src/Storages/MergeTree/IMergeTreeReader.cpp
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@ -285,7 +285,7 @@ IMergeTreeReader::ColumnPosition IMergeTreeReader::findColumnForOffsets(const St
{
if (typeid_cast<const DataTypeArray *>(part_column.type.get()))
{
auto position = data_part->getColumnPosition(part_column);
auto position = data_part->getColumnPosition(part_column.name);
if (position && Nested::extractTableName(part_column.name) == table_name)
return position;
}

2
src/Storages/MergeTree/MergeTreeDataPartCompact.cpp
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@ -124,7 +124,7 @@ void MergeTreeDataPartCompact::loadIndexGranularity()
bool MergeTreeDataPartCompact::hasColumnFiles(const NameAndTypePair & column) const
{
if (!getColumnPosition(column))
if (!getColumnPosition(column.name))
return false;
auto bin_checksum = checksums.files.find(DATA_FILE_NAME_WITH_EXTENSION);

2
src/Storages/MergeTree/MergeTreeDataPartInMemory.h
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@ -42,7 +42,7 @@ public:
const MergeTreeIndexGranularity & computed_index_granularity) const override;
bool isStoredOnDisk() const override { return false; }
bool hasColumnFiles(const NameAndTypePair & column) const override { return !!getColumnPosition(column); }
bool hasColumnFiles(const NameAndTypePair & column) const override { return !!getColumnPosition(column.name); }
String getFileNameForColumn(const NameAndTypePair & /* column */) const override { return ""; }
void renameTo(const String & new_relative_path, bool remove_new_dir_if_exists) const override;
void makeCloneInDetached(const String & prefix, const StorageMetadataPtr & metadata_snapshot) const override;

14
src/Storages/MergeTree/MergeTreeReaderCompact.cpp
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@ -55,7 +55,7 @@ MergeTreeReaderCompact::MergeTreeReaderCompact(
{
auto column_from_part = getColumnFromPart(*name_and_type);
auto position = data_part->getColumnPosition(column_from_part);
auto position = data_part->getColumnPosition(column_from_part.name);
if (!position && typeid_cast<const DataTypeArray *>(column_from_part.type.get()))
{
/// If array of Nested column is missing in part,
@ -140,7 +140,6 @@ size_t MergeTreeReaderCompact::readRows(size_t from_mark, bool continue_reading,
while (read_rows < max_rows_to_read)
{
size_t rows_to_read = data_part->index_granularity.getMarkRows(from_mark);
std::unordered_map<String, IDataType::SubstreamsCache> caches;
auto name_and_type = columns.begin();
for (size_t pos = 0; pos < num_columns; ++pos, ++name_and_type)
@ -154,8 +153,7 @@ size_t MergeTreeReaderCompact::readRows(size_t from_mark, bool continue_reading,
auto & column = res_columns[pos];
size_t column_size_before_reading = column->size();
readData(column_from_part, column, from_mark, *column_positions[pos],
rows_to_read, read_only_offsets[pos], caches[column_from_part.getNameInStorage()]);
readData(column_from_part, column, from_mark, *column_positions[pos], rows_to_read, read_only_offsets[pos]);
size_t read_rows_in_column = column->size() - column_size_before_reading;
if (read_rows_in_column < rows_to_read)
@ -189,8 +187,7 @@ size_t MergeTreeReaderCompact::readRows(size_t from_mark, bool continue_reading,
void MergeTreeReaderCompact::readData(
const NameAndTypePair & name_and_type, ColumnPtr & column,
size_t from_mark, size_t column_position, size_t rows_to_read,
bool only_offsets, IDataType::SubstreamsCache & cache)
size_t from_mark, size_t column_position, size_t rows_to_read, bool only_offsets)
{
const auto & [name, type] = name_and_type;
@ -199,9 +196,6 @@ void MergeTreeReaderCompact::readData(
auto buffer_getter = [&](const IDataType::SubstreamPath & substream_path) -> ReadBuffer *
{
// if (cache.count(IDataType::getSubcolumnNameForStream(substream_path)))
// return nullptr;
if (only_offsets && (substream_path.size() != 1 || substream_path[0].type != IDataType::Substream::ArraySizes))
return nullptr;
@ -228,8 +222,6 @@ void MergeTreeReaderCompact::readData(
type->deserializeBinaryBulkWithMultipleStreams(column, rows_to_read, deserialize_settings, state);
}
UNUSED(cache);
/// The buffer is left in inconsistent state after reading single offsets
if (only_offsets)
last_read_granule.reset();

2
src/Storages/MergeTree/MergeTreeReaderCompact.h
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@ -57,7 +57,7 @@ private:
void seekToMark(size_t row_index, size_t column_index);
void readData(const NameAndTypePair & name_and_type, ColumnPtr & column, size_t from_mark,
size_t column_position, size_t rows_to_read, bool only_offsets, IDataType::SubstreamsCache & cache);
size_t column_position, size_t rows_to_read, bool only_offsets);
/// Returns maximal value of granule size in compressed file from @mark_ranges.
/// This value is used as size of read buffer.

2
src/Storages/MergeTree/MergeTreeReaderWide.cpp
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@ -174,7 +174,7 @@ void MergeTreeReaderWide::readData(
{
return [&, stream_for_prefix](const IDataType::SubstreamPath & substream_path) -> ReadBuffer *
{
/// If offsets for arrays have already been read. TODO
/// If substream have already been read.
if (cache.count(IDataType::getSubcolumnNameForStream(substream_path)))
return nullptr;

6
src/Storages/StorageTinyLog.cpp
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@ -121,7 +121,7 @@ Chunk TinyLogSource::generate()
{
Block res;
if (is_finished || (!streams.empty() && streams.begin()->second->compressed.eof()))
if (is_finished || file_sizes.empty() || (!streams.empty() && streams.begin()->second->compressed.eof()))
{
/** Close the files (before destroying the object).
* When many sources are created, but simultaneously reading only a few of them,
@ -132,10 +132,6 @@ Chunk TinyLogSource::generate()
return {};
}
/// if there are no files in the folder, it means that the table is empty
if (storage.disk->isDirectoryEmpty(storage.table_path))
return {};
std::unordered_map<String, IDataType::SubstreamsCache> caches;
for (const auto & name_type : columns)
{