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https://github.com/ClickHouse/ClickHouse.git
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70d1adfe4b
* save format string for NetException * format exceptions * format exceptions 2 * format exceptions 3 * format exceptions 4 * format exceptions 5 * format exceptions 6 * fix * format exceptions 7 * format exceptions 8 * Update MergeTreeIndexGin.cpp * Update AggregateFunctionMap.cpp * Update AggregateFunctionMap.cpp * fix
585 lines
17 KiB
C++
585 lines
17 KiB
C++
#include <Columns/ColumnTuple.h>
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#include <base/sort.h>
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#include <Columns/IColumnImpl.h>
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#include <Columns/ColumnCompressed.h>
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#include <Core/Field.h>
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#include <Processors/Transforms/ColumnGathererTransform.h>
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#include <IO/Operators.h>
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#include <IO/WriteBufferFromString.h>
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#include <Common/WeakHash.h>
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#include <Common/assert_cast.h>
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#include <Common/typeid_cast.h>
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#include <DataTypes/Serializations/SerializationInfoTuple.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int ILLEGAL_COLUMN;
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extern const int NOT_IMPLEMENTED;
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extern const int CANNOT_INSERT_VALUE_OF_DIFFERENT_SIZE_INTO_TUPLE;
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extern const int LOGICAL_ERROR;
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}
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std::string ColumnTuple::getName() const
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{
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WriteBufferFromOwnString res;
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res << "Tuple(";
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bool is_first = true;
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for (const auto & column : columns)
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{
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if (!is_first)
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res << ", ";
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is_first = false;
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res << column->getName();
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}
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res << ")";
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return res.str();
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}
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ColumnTuple::ColumnTuple(MutableColumns && mutable_columns)
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{
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columns.reserve(mutable_columns.size());
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for (auto & column : mutable_columns)
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{
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if (isColumnConst(*column))
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "ColumnTuple cannot have ColumnConst as its element");
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columns.push_back(std::move(column));
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}
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}
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ColumnTuple::Ptr ColumnTuple::create(const Columns & columns)
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{
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for (const auto & column : columns)
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if (isColumnConst(*column))
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "ColumnTuple cannot have ColumnConst as its element");
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auto column_tuple = ColumnTuple::create(MutableColumns());
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column_tuple->columns.assign(columns.begin(), columns.end());
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return column_tuple;
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}
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ColumnTuple::Ptr ColumnTuple::create(const TupleColumns & columns)
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{
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for (const auto & column : columns)
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if (isColumnConst(*column))
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "ColumnTuple cannot have ColumnConst as its element");
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auto column_tuple = ColumnTuple::create(MutableColumns());
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column_tuple->columns = columns;
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return column_tuple;
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}
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MutableColumnPtr ColumnTuple::cloneEmpty() const
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{
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const size_t tuple_size = columns.size();
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MutableColumns new_columns(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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new_columns[i] = columns[i]->cloneEmpty();
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return ColumnTuple::create(std::move(new_columns));
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}
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MutableColumnPtr ColumnTuple::cloneResized(size_t new_size) const
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{
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const size_t tuple_size = columns.size();
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MutableColumns new_columns(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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new_columns[i] = columns[i]->cloneResized(new_size);
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return ColumnTuple::create(std::move(new_columns));
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}
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Field ColumnTuple::operator[](size_t n) const
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{
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Field res;
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get(n, res);
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return res;
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}
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void ColumnTuple::get(size_t n, Field & res) const
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{
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const size_t tuple_size = columns.size();
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res = Tuple();
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Tuple & res_tuple = res.get<Tuple &>();
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res_tuple.reserve(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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res_tuple.push_back((*columns[i])[n]);
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}
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bool ColumnTuple::isDefaultAt(size_t n) const
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{
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const size_t tuple_size = columns.size();
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for (size_t i = 0; i < tuple_size; ++i)
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if (!columns[i]->isDefaultAt(n))
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return false;
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return true;
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}
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StringRef ColumnTuple::getDataAt(size_t) const
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{
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throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Method getDataAt is not supported for {}", getName());
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}
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void ColumnTuple::insertData(const char *, size_t)
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{
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throw Exception(ErrorCodes::NOT_IMPLEMENTED, "Method insertData is not supported for {}", getName());
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}
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void ColumnTuple::insert(const Field & x)
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{
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const auto & tuple = x.get<const Tuple &>();
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const size_t tuple_size = columns.size();
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if (tuple.size() != tuple_size)
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throw Exception(ErrorCodes::CANNOT_INSERT_VALUE_OF_DIFFERENT_SIZE_INTO_TUPLE, "Cannot insert value of different size into tuple");
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for (size_t i = 0; i < tuple_size; ++i)
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columns[i]->insert(tuple[i]);
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}
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void ColumnTuple::insertFrom(const IColumn & src_, size_t n)
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{
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const ColumnTuple & src = assert_cast<const ColumnTuple &>(src_);
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const size_t tuple_size = columns.size();
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if (src.columns.size() != tuple_size)
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throw Exception(ErrorCodes::CANNOT_INSERT_VALUE_OF_DIFFERENT_SIZE_INTO_TUPLE, "Cannot insert value of different size into tuple");
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for (size_t i = 0; i < tuple_size; ++i)
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columns[i]->insertFrom(*src.columns[i], n);
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}
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void ColumnTuple::insertDefault()
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{
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for (auto & column : columns)
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column->insertDefault();
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}
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void ColumnTuple::popBack(size_t n)
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{
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for (auto & column : columns)
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column->popBack(n);
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}
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StringRef ColumnTuple::serializeValueIntoArena(size_t n, Arena & arena, char const *& begin) const
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{
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StringRef res(begin, 0);
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for (const auto & column : columns)
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{
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auto value_ref = column->serializeValueIntoArena(n, arena, begin);
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res.data = value_ref.data - res.size;
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res.size += value_ref.size;
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}
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return res;
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}
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const char * ColumnTuple::deserializeAndInsertFromArena(const char * pos)
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{
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for (auto & column : columns)
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pos = column->deserializeAndInsertFromArena(pos);
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return pos;
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}
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const char * ColumnTuple::skipSerializedInArena(const char * pos) const
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{
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for (const auto & column : columns)
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pos = column->skipSerializedInArena(pos);
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return pos;
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}
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void ColumnTuple::updateHashWithValue(size_t n, SipHash & hash) const
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{
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for (const auto & column : columns)
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column->updateHashWithValue(n, hash);
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}
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void ColumnTuple::updateWeakHash32(WeakHash32 & hash) const
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{
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auto s = size();
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if (hash.getData().size() != s)
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throw Exception(ErrorCodes::LOGICAL_ERROR, "Size of WeakHash32 does not match size of column: "
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"column size is {}, hash size is {}", std::to_string(s), std::to_string(hash.getData().size()));
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for (const auto & column : columns)
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column->updateWeakHash32(hash);
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}
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void ColumnTuple::updateHashFast(SipHash & hash) const
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{
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for (const auto & column : columns)
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column->updateHashFast(hash);
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}
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void ColumnTuple::insertRangeFrom(const IColumn & src, size_t start, size_t length)
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{
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const size_t tuple_size = columns.size();
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for (size_t i = 0; i < tuple_size; ++i)
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columns[i]->insertRangeFrom(
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*assert_cast<const ColumnTuple &>(src).columns[i],
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start, length);
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}
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ColumnPtr ColumnTuple::filter(const Filter & filt, ssize_t result_size_hint) const
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{
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const size_t tuple_size = columns.size();
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Columns new_columns(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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new_columns[i] = columns[i]->filter(filt, result_size_hint);
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return ColumnTuple::create(new_columns);
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}
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void ColumnTuple::expand(const Filter & mask, bool inverted)
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{
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for (auto & column : columns)
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column->expand(mask, inverted);
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}
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ColumnPtr ColumnTuple::permute(const Permutation & perm, size_t limit) const
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{
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const size_t tuple_size = columns.size();
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Columns new_columns(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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new_columns[i] = columns[i]->permute(perm, limit);
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return ColumnTuple::create(new_columns);
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}
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ColumnPtr ColumnTuple::index(const IColumn & indexes, size_t limit) const
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{
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const size_t tuple_size = columns.size();
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Columns new_columns(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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new_columns[i] = columns[i]->index(indexes, limit);
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return ColumnTuple::create(new_columns);
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}
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ColumnPtr ColumnTuple::replicate(const Offsets & offsets) const
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{
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const size_t tuple_size = columns.size();
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Columns new_columns(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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new_columns[i] = columns[i]->replicate(offsets);
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return ColumnTuple::create(new_columns);
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}
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MutableColumns ColumnTuple::scatter(ColumnIndex num_columns, const Selector & selector) const
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{
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const size_t tuple_size = columns.size();
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std::vector<MutableColumns> scattered_tuple_elements(tuple_size);
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for (size_t tuple_element_idx = 0; tuple_element_idx < tuple_size; ++tuple_element_idx)
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scattered_tuple_elements[tuple_element_idx] = columns[tuple_element_idx]->scatter(num_columns, selector);
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MutableColumns res(num_columns);
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for (size_t scattered_idx = 0; scattered_idx < num_columns; ++scattered_idx)
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{
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MutableColumns new_columns(tuple_size);
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for (size_t tuple_element_idx = 0; tuple_element_idx < tuple_size; ++tuple_element_idx)
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new_columns[tuple_element_idx] = std::move(scattered_tuple_elements[tuple_element_idx][scattered_idx]);
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res[scattered_idx] = ColumnTuple::create(std::move(new_columns));
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}
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return res;
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}
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int ColumnTuple::compareAtImpl(size_t n, size_t m, const IColumn & rhs, int nan_direction_hint, const Collator * collator) const
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{
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const size_t tuple_size = columns.size();
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for (size_t i = 0; i < tuple_size; ++i)
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{
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int res;
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if (collator && columns[i]->isCollationSupported())
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res = columns[i]->compareAtWithCollation(n, m, *assert_cast<const ColumnTuple &>(rhs).columns[i], nan_direction_hint, *collator);
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else
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res = columns[i]->compareAt(n, m, *assert_cast<const ColumnTuple &>(rhs).columns[i], nan_direction_hint);
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if (res)
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return res;
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}
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return 0;
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}
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int ColumnTuple::compareAt(size_t n, size_t m, const IColumn & rhs, int nan_direction_hint) const
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{
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return compareAtImpl(n, m, rhs, nan_direction_hint);
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}
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void ColumnTuple::compareColumn(const IColumn & rhs, size_t rhs_row_num,
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PaddedPODArray<UInt64> * row_indexes, PaddedPODArray<Int8> & compare_results,
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int direction, int nan_direction_hint) const
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{
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return doCompareColumn<ColumnTuple>(assert_cast<const ColumnTuple &>(rhs), rhs_row_num, row_indexes,
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compare_results, direction, nan_direction_hint);
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}
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int ColumnTuple::compareAtWithCollation(size_t n, size_t m, const IColumn & rhs, int nan_direction_hint, const Collator & collator) const
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{
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return compareAtImpl(n, m, rhs, nan_direction_hint, &collator);
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}
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bool ColumnTuple::hasEqualValues() const
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{
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return hasEqualValuesImpl<ColumnTuple>();
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}
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template <bool positive>
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struct ColumnTuple::Less
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{
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TupleColumns columns;
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int nan_direction_hint;
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const Collator * collator;
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Less(const TupleColumns & columns_, int nan_direction_hint_, const Collator * collator_=nullptr)
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: columns(columns_), nan_direction_hint(nan_direction_hint_), collator(collator_)
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{
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}
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bool operator() (size_t a, size_t b) const
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{
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for (const auto & column : columns)
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{
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int res;
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if (collator && column->isCollationSupported())
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res = column->compareAtWithCollation(a, b, *column, nan_direction_hint, *collator);
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else
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res = column->compareAt(a, b, *column, nan_direction_hint);
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if (res < 0)
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return positive;
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else if (res > 0)
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return !positive;
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}
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return false;
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}
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};
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void ColumnTuple::getPermutationImpl(IColumn::PermutationSortDirection direction, IColumn::PermutationSortStability stability,
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size_t limit, int nan_direction_hint, Permutation & res, const Collator * collator) const
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{
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size_t rows = size();
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res.resize(rows);
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for (size_t i = 0; i < rows; ++i)
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res[i] = i;
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if (limit >= rows)
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limit = 0;
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EqualRanges ranges;
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ranges.emplace_back(0, rows);
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updatePermutationImpl(direction, stability, limit, nan_direction_hint, res, ranges, collator);
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}
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void ColumnTuple::updatePermutationImpl(IColumn::PermutationSortDirection direction, IColumn::PermutationSortStability stability,
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size_t limit, int nan_direction_hint, IColumn::Permutation & res, EqualRanges & equal_ranges, const Collator * collator) const
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{
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if (equal_ranges.empty())
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return;
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for (const auto & column : columns)
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{
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while (!equal_ranges.empty() && limit && limit <= equal_ranges.back().first)
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equal_ranges.pop_back();
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if (collator && column->isCollationSupported())
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column->updatePermutationWithCollation(*collator, direction, stability, limit, nan_direction_hint, res, equal_ranges);
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else
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column->updatePermutation(direction, stability, limit, nan_direction_hint, res, equal_ranges);
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if (equal_ranges.empty())
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break;
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}
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}
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void ColumnTuple::getPermutation(IColumn::PermutationSortDirection direction, IColumn::PermutationSortStability stability,
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size_t limit, int nan_direction_hint, Permutation & res) const
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{
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getPermutationImpl(direction, stability, limit, nan_direction_hint, res, nullptr);
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}
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void ColumnTuple::updatePermutation(IColumn::PermutationSortDirection direction, IColumn::PermutationSortStability stability,
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size_t limit, int nan_direction_hint, IColumn::Permutation & res, EqualRanges & equal_ranges) const
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{
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updatePermutationImpl(direction, stability, limit, nan_direction_hint, res, equal_ranges);
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}
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void ColumnTuple::getPermutationWithCollation(const Collator & collator, IColumn::PermutationSortDirection direction, IColumn::PermutationSortStability stability, size_t limit, int nan_direction_hint, Permutation & res) const
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{
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getPermutationImpl(direction, stability, limit, nan_direction_hint, res, &collator);
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}
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void ColumnTuple::updatePermutationWithCollation(const Collator & collator, IColumn::PermutationSortDirection direction, IColumn::PermutationSortStability stability, size_t limit, int nan_direction_hint, Permutation & res, EqualRanges & equal_ranges) const
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{
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updatePermutationImpl(direction, stability, limit, nan_direction_hint, res, equal_ranges, &collator);
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}
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void ColumnTuple::gather(ColumnGathererStream & gatherer)
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{
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gatherer.gather(*this);
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}
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void ColumnTuple::reserve(size_t n)
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{
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const size_t tuple_size = columns.size();
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for (size_t i = 0; i < tuple_size; ++i)
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getColumn(i).reserve(n);
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}
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void ColumnTuple::ensureOwnership()
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{
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const size_t tuple_size = columns.size();
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for (size_t i = 0; i < tuple_size; ++i)
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getColumn(i).ensureOwnership();
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}
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size_t ColumnTuple::byteSize() const
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{
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size_t res = 0;
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for (const auto & column : columns)
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res += column->byteSize();
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return res;
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}
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size_t ColumnTuple::byteSizeAt(size_t n) const
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{
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size_t res = 0;
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for (const auto & column : columns)
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res += column->byteSizeAt(n);
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return res;
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}
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size_t ColumnTuple::allocatedBytes() const
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{
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size_t res = 0;
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for (const auto & column : columns)
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res += column->allocatedBytes();
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return res;
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}
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void ColumnTuple::protect()
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{
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for (auto & column : columns)
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column->protect();
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}
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void ColumnTuple::getExtremes(Field & min, Field & max) const
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{
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const size_t tuple_size = columns.size();
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Tuple min_tuple(tuple_size);
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Tuple max_tuple(tuple_size);
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for (size_t i = 0; i < tuple_size; ++i)
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columns[i]->getExtremes(min_tuple[i], max_tuple[i]);
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min = min_tuple;
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max = max_tuple;
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}
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void ColumnTuple::forEachSubcolumn(ColumnCallback callback) const
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{
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for (const auto & column : columns)
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callback(column);
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}
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void ColumnTuple::forEachSubcolumnRecursively(RecursiveColumnCallback callback) const
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{
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for (const auto & column : columns)
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{
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callback(*column);
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column->forEachSubcolumnRecursively(callback);
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}
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}
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bool ColumnTuple::structureEquals(const IColumn & rhs) const
|
|
{
|
|
if (const auto * rhs_tuple = typeid_cast<const ColumnTuple *>(&rhs))
|
|
{
|
|
const size_t tuple_size = columns.size();
|
|
if (tuple_size != rhs_tuple->columns.size())
|
|
return false;
|
|
|
|
for (size_t i = 0; i < tuple_size; ++i)
|
|
if (!columns[i]->structureEquals(*rhs_tuple->columns[i]))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
bool ColumnTuple::isCollationSupported() const
|
|
{
|
|
for (const auto & column : columns)
|
|
{
|
|
if (column->isCollationSupported())
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
ColumnPtr ColumnTuple::compress() const
|
|
{
|
|
size_t byte_size = 0;
|
|
Columns compressed;
|
|
compressed.reserve(columns.size());
|
|
for (const auto & column : columns)
|
|
{
|
|
auto compressed_column = column->compress();
|
|
byte_size += compressed_column->byteSize();
|
|
compressed.emplace_back(std::move(compressed_column));
|
|
}
|
|
|
|
return ColumnCompressed::create(size(), byte_size,
|
|
[compressed = std::move(compressed)]() mutable
|
|
{
|
|
for (auto & column : compressed)
|
|
column = column->decompress();
|
|
return ColumnTuple::create(compressed);
|
|
});
|
|
}
|
|
|
|
double ColumnTuple::getRatioOfDefaultRows(double sample_ratio) const
|
|
{
|
|
return getRatioOfDefaultRowsImpl<ColumnTuple>(sample_ratio);
|
|
}
|
|
|
|
void ColumnTuple::getIndicesOfNonDefaultRows(Offsets & indices, size_t from, size_t limit) const
|
|
{
|
|
return getIndicesOfNonDefaultRowsImpl<ColumnTuple>(indices, from, limit);
|
|
}
|
|
|
|
void ColumnTuple::finalize()
|
|
{
|
|
for (auto & column : columns)
|
|
column->finalize();
|
|
}
|
|
|
|
bool ColumnTuple::isFinalized() const
|
|
{
|
|
return std::all_of(columns.begin(), columns.end(), [](const auto & column) { return column->isFinalized(); });
|
|
}
|
|
|
|
}
|