mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-14 02:12:21 +00:00
236 lines
7.6 KiB
C++
236 lines
7.6 KiB
C++
#pragma once
|
|
|
|
#include <atomic>
|
|
#include <variant>
|
|
#include <vector>
|
|
#include <Columns/ColumnDecimal.h>
|
|
#include <Columns/ColumnString.h>
|
|
#include <Common/Arena.h>
|
|
#include <Core/Block.h>
|
|
#include <ext/range.h>
|
|
#include <ext/size.h>
|
|
#include <Common/HashTable/HashMap.h>
|
|
#include "DictionaryStructure.h"
|
|
#include "IDictionary.h"
|
|
#include "IDictionarySource.h"
|
|
|
|
|
|
namespace DB
|
|
{
|
|
using BlockPtr = std::shared_ptr<Block>;
|
|
|
|
class DirectDictionary final : public IDictionary
|
|
{
|
|
public:
|
|
DirectDictionary(
|
|
const std::string & database_,
|
|
const std::string & name_,
|
|
const DictionaryStructure & dict_struct_,
|
|
DictionarySourcePtr source_ptr_,
|
|
const DictionaryLifetime dict_lifetime_,
|
|
BlockPtr saved_block_ = nullptr);
|
|
|
|
const std::string & getDatabase() const override { return database; }
|
|
const std::string & getName() const override { return name; }
|
|
const std::string & getFullName() const override { return full_name; }
|
|
|
|
std::string getTypeName() const override { return "Direct"; }
|
|
|
|
size_t getBytesAllocated() const override { return bytes_allocated; }
|
|
|
|
size_t getQueryCount() const override { return query_count.load(std::memory_order_relaxed); }
|
|
|
|
double getHitRate() const override { return 1.0; }
|
|
|
|
size_t getElementCount() const override { return element_count; }
|
|
|
|
double getLoadFactor() const override { return static_cast<double>(element_count) / bucket_count; }
|
|
|
|
std::shared_ptr<const IExternalLoadable> clone() const override
|
|
{
|
|
return std::make_shared<DirectDictionary>(database, name, dict_struct, source_ptr->clone(), dict_lifetime, saved_block);
|
|
}
|
|
|
|
const IDictionarySource * getSource() const override { return source_ptr.get(); }
|
|
|
|
const DictionaryLifetime & getLifetime() const override { return dict_lifetime; }
|
|
|
|
const DictionaryStructure & getStructure() const override { return dict_struct; }
|
|
|
|
bool isInjective(const std::string & attribute_name) const override
|
|
{
|
|
return dict_struct.attributes[&getAttribute(attribute_name) - attributes.data()].injective;
|
|
}
|
|
|
|
bool hasHierarchy() const override { return hierarchical_attribute; }
|
|
|
|
void toParent(const PaddedPODArray<Key> & ids, PaddedPODArray<Key> & out) const override;
|
|
|
|
void isInVectorVector(
|
|
const PaddedPODArray<Key> & child_ids, const PaddedPODArray<Key> & ancestor_ids, PaddedPODArray<UInt8> & out) const override;
|
|
void isInVectorConstant(const PaddedPODArray<Key> & child_ids, const Key ancestor_id, PaddedPODArray<UInt8> & out) const override;
|
|
void isInConstantVector(const Key child_id, const PaddedPODArray<Key> & ancestor_ids, PaddedPODArray<UInt8> & out) const override;
|
|
|
|
template <typename T>
|
|
using ResultArrayType = std::conditional_t<IsDecimalNumber<T>, DecimalPaddedPODArray<T>, PaddedPODArray<T>>;
|
|
|
|
#define DECLARE(TYPE) \
|
|
void get##TYPE(const std::string & attribute_name, const PaddedPODArray<Key> & ids, ResultArrayType<TYPE> & out) const;
|
|
DECLARE(UInt8)
|
|
DECLARE(UInt16)
|
|
DECLARE(UInt32)
|
|
DECLARE(UInt64)
|
|
DECLARE(UInt128)
|
|
DECLARE(Int8)
|
|
DECLARE(Int16)
|
|
DECLARE(Int32)
|
|
DECLARE(Int64)
|
|
DECLARE(Float32)
|
|
DECLARE(Float64)
|
|
DECLARE(Decimal32)
|
|
DECLARE(Decimal64)
|
|
DECLARE(Decimal128)
|
|
#undef DECLARE
|
|
|
|
void getString(const std::string & attribute_name, const PaddedPODArray<Key> & ids, ColumnString * out) const;
|
|
|
|
#define DECLARE(TYPE) \
|
|
void get##TYPE( \
|
|
const std::string & attribute_name, \
|
|
const PaddedPODArray<Key> & ids, \
|
|
const PaddedPODArray<TYPE> & def, \
|
|
ResultArrayType<TYPE> & out) const;
|
|
DECLARE(UInt8)
|
|
DECLARE(UInt16)
|
|
DECLARE(UInt32)
|
|
DECLARE(UInt64)
|
|
DECLARE(UInt128)
|
|
DECLARE(Int8)
|
|
DECLARE(Int16)
|
|
DECLARE(Int32)
|
|
DECLARE(Int64)
|
|
DECLARE(Float32)
|
|
DECLARE(Float64)
|
|
DECLARE(Decimal32)
|
|
DECLARE(Decimal64)
|
|
DECLARE(Decimal128)
|
|
#undef DECLARE
|
|
|
|
void
|
|
getString(const std::string & attribute_name, const PaddedPODArray<Key> & ids, const ColumnString * const def, ColumnString * const out)
|
|
const;
|
|
|
|
#define DECLARE(TYPE) \
|
|
void get##TYPE(const std::string & attribute_name, const PaddedPODArray<Key> & ids, const TYPE def, ResultArrayType<TYPE> & out) const;
|
|
DECLARE(UInt8)
|
|
DECLARE(UInt16)
|
|
DECLARE(UInt32)
|
|
DECLARE(UInt64)
|
|
DECLARE(UInt128)
|
|
DECLARE(Int8)
|
|
DECLARE(Int16)
|
|
DECLARE(Int32)
|
|
DECLARE(Int64)
|
|
DECLARE(Float32)
|
|
DECLARE(Float64)
|
|
DECLARE(Decimal32)
|
|
DECLARE(Decimal64)
|
|
DECLARE(Decimal128)
|
|
#undef DECLARE
|
|
|
|
void getString(const std::string & attribute_name, const PaddedPODArray<Key> & ids, const String & def, ColumnString * const out) const;
|
|
|
|
void has(const PaddedPODArray<Key> & ids, PaddedPODArray<UInt8> & out) const override;
|
|
|
|
BlockInputStreamPtr getBlockInputStream(const Names & column_names, size_t max_block_size) const override;
|
|
|
|
private:
|
|
template <typename Value>
|
|
using ContainerType = PaddedPODArray<Value>;
|
|
|
|
struct Attribute final
|
|
{
|
|
AttributeUnderlyingType type;
|
|
std::variant<
|
|
UInt8,
|
|
UInt16,
|
|
UInt32,
|
|
UInt64,
|
|
UInt128,
|
|
Int8,
|
|
Int16,
|
|
Int32,
|
|
Int64,
|
|
Decimal32,
|
|
Decimal64,
|
|
Decimal128,
|
|
Float32,
|
|
Float64,
|
|
StringRef>
|
|
null_values;
|
|
std::unique_ptr<Arena> string_arena;
|
|
std::string name;
|
|
};
|
|
|
|
void createAttributes();
|
|
|
|
template <typename T>
|
|
void addAttributeSize(const Attribute & attribute);
|
|
|
|
void calculateBytesAllocated();
|
|
|
|
template <typename T>
|
|
void createAttributeImpl(Attribute & attribute, const Field & null_value);
|
|
|
|
Attribute createAttributeWithType(const AttributeUnderlyingType type, const Field & null_value, const std::string & name);
|
|
|
|
template <typename AttributeType, typename OutputType, typename ValueSetter, typename DefaultGetter>
|
|
void getItemsStringImpl(
|
|
const Attribute & attribute, const PaddedPODArray<Key> & ids, ValueSetter && set_value, DefaultGetter && get_default) const;
|
|
|
|
template <typename AttributeType, typename OutputType, typename ValueSetter, typename DefaultGetter>
|
|
void getItemsImpl(
|
|
const Attribute & attribute, const PaddedPODArray<Key> & ids, ValueSetter && set_value, DefaultGetter && get_default) const;
|
|
|
|
template <typename T>
|
|
void resize(Attribute & attribute, const Key id);
|
|
|
|
template <typename T>
|
|
void setAttributeValueImpl(Attribute & attribute, const Key id, const T & value);
|
|
|
|
void setAttributeValue(Attribute & attribute, const Key id, const Field & value);
|
|
|
|
const Attribute & getAttribute(const std::string & attribute_name) const;
|
|
|
|
template <typename T>
|
|
void has(const Attribute & attribute, const PaddedPODArray<Key> & ids, PaddedPODArray<UInt8> & out) const;
|
|
|
|
Key getValueOrNullByKey(const Key & to_find) const;
|
|
|
|
template <typename ChildType, typename AncestorType>
|
|
void isInImpl(const ChildType & child_ids, const AncestorType & ancestor_ids, PaddedPODArray<UInt8> & out) const;
|
|
|
|
PaddedPODArray<Key> getIds() const;
|
|
|
|
const std::string database;
|
|
const std::string name;
|
|
const std::string full_name;
|
|
const DictionaryStructure dict_struct;
|
|
const DictionarySourcePtr source_ptr;
|
|
const DictionaryLifetime dict_lifetime;
|
|
|
|
std::map<std::string, size_t> attribute_index_by_name;
|
|
std::map<size_t, std::string> attribute_name_by_index;
|
|
std::vector<Attribute> attributes;
|
|
const Attribute * hierarchical_attribute = nullptr;
|
|
|
|
size_t bytes_allocated = 0;
|
|
size_t element_count = 0;
|
|
size_t bucket_count = 0;
|
|
mutable std::atomic<size_t> query_count{0};
|
|
|
|
BlockPtr saved_block;
|
|
};
|
|
|
|
}
|