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3dbde50daa
* Split FunctionsArithmetic.cpp to generated functions * Use ccache if found * Do not use ccache if ccache defined in CMAKE_CXX_COMPILER_LAUNCHER * check_include.sh: print memory usage * Try split CacheDictionary source * Split ok * wip * wip * wip * wip * wip * wip
548 lines
21 KiB
C++
548 lines
21 KiB
C++
#include <ext/map.h>
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#include <ext/range.h>
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#include <Dictionaries/ComplexKeyHashedDictionary.h>
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#include <Dictionaries/DictionaryBlockInputStream.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 TYPE_MISMATCH;
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extern const int ARGUMENT_OUT_OF_BOUND;
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extern const int BAD_ARGUMENTS;
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extern const int DICTIONARY_IS_EMPTY;
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}
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ComplexKeyHashedDictionary::ComplexKeyHashedDictionary(
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const std::string & name, const DictionaryStructure & dict_struct, DictionarySourcePtr source_ptr,
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const DictionaryLifetime dict_lifetime, bool require_nonempty)
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: name{name}, dict_struct(dict_struct), source_ptr{std::move(source_ptr)}, dict_lifetime(dict_lifetime),
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require_nonempty(require_nonempty)
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{
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createAttributes();
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try
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{
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loadData();
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calculateBytesAllocated();
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}
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catch (...)
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{
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creation_exception = std::current_exception();
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}
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creation_time = std::chrono::system_clock::now();
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}
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ComplexKeyHashedDictionary::ComplexKeyHashedDictionary(const ComplexKeyHashedDictionary & other)
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: ComplexKeyHashedDictionary{other.name, other.dict_struct, other.source_ptr->clone(), other.dict_lifetime, other.require_nonempty}
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{
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}
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#define DECLARE(TYPE)\
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void ComplexKeyHashedDictionary::get##TYPE(\
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const std::string & attribute_name, const Columns & key_columns, const DataTypes & key_types,\
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PaddedPODArray<TYPE> & out) const\
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{\
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dict_struct.validateKeyTypes(key_types);\
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\
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const auto & attribute = getAttribute(attribute_name);\
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if (!isAttributeTypeConvertibleTo(attribute.type, AttributeUnderlyingType::TYPE))\
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throw Exception{\
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name + ": type mismatch: attribute " + attribute_name + " has type " + toString(attribute.type),\
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ErrorCodes::TYPE_MISMATCH};\
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\
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const auto null_value = std::get<TYPE>(attribute.null_values);\
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\
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getItemsNumber<TYPE>(attribute, key_columns,\
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[&] (const size_t row, const auto value) { out[row] = value; },\
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[&] (const size_t) { return null_value; });\
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}
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DECLARE(UInt8)
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DECLARE(UInt16)
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DECLARE(UInt32)
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DECLARE(UInt64)
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DECLARE(Int8)
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DECLARE(Int16)
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DECLARE(Int32)
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DECLARE(Int64)
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DECLARE(Float32)
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DECLARE(Float64)
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#undef DECLARE
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void ComplexKeyHashedDictionary::getString(
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const std::string & attribute_name, const Columns & key_columns, const DataTypes & key_types,
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ColumnString * out) const
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{
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dict_struct.validateKeyTypes(key_types);
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const auto & attribute = getAttribute(attribute_name);
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if (!isAttributeTypeConvertibleTo(attribute.type, AttributeUnderlyingType::String))
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throw Exception{
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name + ": type mismatch: attribute " + attribute_name + " has type " + toString(attribute.type),
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ErrorCodes::TYPE_MISMATCH};
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const auto & null_value = StringRef{std::get<String>(attribute.null_values)};
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getItemsImpl<StringRef, StringRef>(attribute, key_columns,
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[&] (const size_t row, const StringRef value) { out->insertData(value.data, value.size); },
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[&] (const size_t) { return null_value; });
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}
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#define DECLARE(TYPE)\
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void ComplexKeyHashedDictionary::get##TYPE(\
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const std::string & attribute_name, const Columns & key_columns, const DataTypes & key_types,\
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const PaddedPODArray<TYPE> & def, PaddedPODArray<TYPE> & out) const\
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{\
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dict_struct.validateKeyTypes(key_types);\
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\
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const auto & attribute = getAttribute(attribute_name);\
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if (!isAttributeTypeConvertibleTo(attribute.type, AttributeUnderlyingType::TYPE))\
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throw Exception{\
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name + ": type mismatch: attribute " + attribute_name + " has type " + toString(attribute.type),\
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ErrorCodes::TYPE_MISMATCH};\
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\
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getItemsNumber<TYPE>(attribute, key_columns,\
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[&] (const size_t row, const auto value) { out[row] = value; },\
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[&] (const size_t row) { return def[row]; });\
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}
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DECLARE(UInt8)
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DECLARE(UInt16)
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DECLARE(UInt32)
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DECLARE(UInt64)
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DECLARE(Int8)
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DECLARE(Int16)
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DECLARE(Int32)
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DECLARE(Int64)
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DECLARE(Float32)
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DECLARE(Float64)
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#undef DECLARE
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void ComplexKeyHashedDictionary::getString(
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const std::string & attribute_name, const Columns & key_columns, const DataTypes & key_types,
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const ColumnString * const def, ColumnString * const out) const
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{
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dict_struct.validateKeyTypes(key_types);
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const auto & attribute = getAttribute(attribute_name);
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if (!isAttributeTypeConvertibleTo(attribute.type, AttributeUnderlyingType::String))
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throw Exception{
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name + ": type mismatch: attribute " + attribute_name + " has type " + toString(attribute.type),
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ErrorCodes::TYPE_MISMATCH};
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getItemsImpl<StringRef, StringRef>(attribute, key_columns,
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[&] (const size_t row, const StringRef value) { out->insertData(value.data, value.size); },
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[&] (const size_t row) { return def->getDataAt(row); });
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}
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#define DECLARE(TYPE)\
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void ComplexKeyHashedDictionary::get##TYPE(\
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const std::string & attribute_name, const Columns & key_columns, const DataTypes & key_types,\
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const TYPE def, PaddedPODArray<TYPE> & out) const\
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{\
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dict_struct.validateKeyTypes(key_types);\
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\
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const auto & attribute = getAttribute(attribute_name);\
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if (!isAttributeTypeConvertibleTo(attribute.type, AttributeUnderlyingType::TYPE))\
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throw Exception{\
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name + ": type mismatch: attribute " + attribute_name + " has type " + toString(attribute.type),\
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ErrorCodes::TYPE_MISMATCH};\
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\
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getItemsNumber<TYPE>(attribute, key_columns,\
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[&] (const size_t row, const auto value) { out[row] = value; },\
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[&] (const size_t) { return def; });\
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}
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DECLARE(UInt8)
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DECLARE(UInt16)
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DECLARE(UInt32)
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DECLARE(UInt64)
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DECLARE(Int8)
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DECLARE(Int16)
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DECLARE(Int32)
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DECLARE(Int64)
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DECLARE(Float32)
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DECLARE(Float64)
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#undef DECLARE
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void ComplexKeyHashedDictionary::getString(
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const std::string & attribute_name, const Columns & key_columns, const DataTypes & key_types,
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const String & def, ColumnString * const out) const
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{
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dict_struct.validateKeyTypes(key_types);
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const auto & attribute = getAttribute(attribute_name);
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if (!isAttributeTypeConvertibleTo(attribute.type, AttributeUnderlyingType::String))
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throw Exception{
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name + ": type mismatch: attribute " + attribute_name + " has type " + toString(attribute.type),
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ErrorCodes::TYPE_MISMATCH};
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getItemsImpl<StringRef, StringRef>(attribute, key_columns,
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[&] (const size_t row, const StringRef value) { out->insertData(value.data, value.size); },
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[&] (const size_t) { return StringRef{def}; });
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}
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void ComplexKeyHashedDictionary::has(const Columns & key_columns, const DataTypes & key_types, PaddedPODArray<UInt8> & out) const
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{
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dict_struct.validateKeyTypes(key_types);
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const auto & attribute = attributes.front();
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switch (attribute.type)
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{
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case AttributeUnderlyingType::UInt8: has<UInt8>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::UInt16: has<UInt16>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::UInt32: has<UInt32>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::UInt64: has<UInt64>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::Int8: has<Int8>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::Int16: has<Int16>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::Int32: has<Int32>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::Int64: has<Int64>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::Float32: has<Float32>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::Float64: has<Float64>(attribute, key_columns, out); break;
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case AttributeUnderlyingType::String: has<StringRef>(attribute, key_columns, out); break;
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}
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}
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void ComplexKeyHashedDictionary::createAttributes()
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{
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const auto size = dict_struct.attributes.size();
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attributes.reserve(size);
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for (const auto & attribute : dict_struct.attributes)
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{
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attribute_index_by_name.emplace(attribute.name, attributes.size());
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attributes.push_back(createAttributeWithType(attribute.underlying_type, attribute.null_value));
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if (attribute.hierarchical)
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throw Exception{
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name + ": hierarchical attributes not supported for dictionary of type " + getTypeName(),
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ErrorCodes::TYPE_MISMATCH};
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}
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}
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void ComplexKeyHashedDictionary::loadData()
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{
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auto stream = source_ptr->loadAll();
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stream->readPrefix();
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/// created upfront to avoid excess allocations
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const auto keys_size = dict_struct.key.value().size();
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StringRefs keys(keys_size);
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const auto attributes_size = attributes.size();
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while (const auto block = stream->read())
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{
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const auto rows = block.rows();
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element_count += rows;
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const auto key_column_ptrs = ext::map<Columns>(ext::range(0, keys_size),
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[&] (const size_t attribute_idx) {
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return block.safeGetByPosition(attribute_idx).column;
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});
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const auto attribute_column_ptrs = ext::map<Columns>(ext::range(0, attributes_size),
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[&] (const size_t attribute_idx) {
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return block.safeGetByPosition(keys_size + attribute_idx).column;
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});
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for (const auto row_idx : ext::range(0, rows))
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{
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/// calculate key once per row
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const auto key = placeKeysInPool(row_idx, key_column_ptrs, keys, keys_pool);
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auto should_rollback = false;
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for (const auto attribute_idx : ext::range(0, attributes_size))
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{
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const auto & attribute_column = *attribute_column_ptrs[attribute_idx];
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auto & attribute = attributes[attribute_idx];
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const auto inserted = setAttributeValue(attribute, key, attribute_column[row_idx]);
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if (!inserted)
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should_rollback = true;
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}
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/// @note on multiple equal keys the mapped value for the first one is stored
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if (should_rollback)
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keys_pool.rollback(key.size);
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}
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}
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stream->readSuffix();
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if (require_nonempty && 0 == element_count)
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throw Exception{
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name + ": dictionary source is empty and 'require_nonempty' property is set.",
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ErrorCodes::DICTIONARY_IS_EMPTY};
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}
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template <typename T>
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void ComplexKeyHashedDictionary::addAttributeSize(const Attribute & attribute)
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{
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const auto & map_ref = std::get<ContainerPtrType<T>>(attribute.maps);
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bytes_allocated += sizeof(ContainerType<T>) + map_ref->getBufferSizeInBytes();
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bucket_count = map_ref->getBufferSizeInCells();
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}
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void ComplexKeyHashedDictionary::calculateBytesAllocated()
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{
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bytes_allocated += attributes.size() * sizeof(attributes.front());
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for (const auto & attribute : attributes)
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{
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switch (attribute.type)
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{
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case AttributeUnderlyingType::UInt8: addAttributeSize<UInt8>(attribute); break;
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case AttributeUnderlyingType::UInt16: addAttributeSize<UInt16>(attribute); break;
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case AttributeUnderlyingType::UInt32: addAttributeSize<UInt32>(attribute); break;
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case AttributeUnderlyingType::UInt64: addAttributeSize<UInt64>(attribute); break;
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case AttributeUnderlyingType::Int8: addAttributeSize<Int8>(attribute); break;
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case AttributeUnderlyingType::Int16: addAttributeSize<Int16>(attribute); break;
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case AttributeUnderlyingType::Int32: addAttributeSize<Int32>(attribute); break;
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case AttributeUnderlyingType::Int64: addAttributeSize<Int64>(attribute); break;
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case AttributeUnderlyingType::Float32: addAttributeSize<Float32>(attribute); break;
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case AttributeUnderlyingType::Float64: addAttributeSize<Float64>(attribute); break;
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case AttributeUnderlyingType::String:
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{
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addAttributeSize<StringRef>(attribute);
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bytes_allocated += sizeof(Arena) + attribute.string_arena->size();
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break;
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}
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}
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}
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bytes_allocated += keys_pool.size();
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}
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template <typename T>
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void ComplexKeyHashedDictionary::createAttributeImpl(Attribute & attribute, const Field & null_value)
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{
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std::get<T>(attribute.null_values) = null_value.get<typename NearestFieldType<T>::Type>();
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std::get<ContainerPtrType<T>>(attribute.maps) = std::make_unique<ContainerType<T>>();
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}
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ComplexKeyHashedDictionary::Attribute ComplexKeyHashedDictionary::createAttributeWithType(const AttributeUnderlyingType type, const Field & null_value)
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{
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Attribute attr{type};
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switch (type)
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{
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case AttributeUnderlyingType::UInt8: createAttributeImpl<UInt8>(attr, null_value); break;
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case AttributeUnderlyingType::UInt16: createAttributeImpl<UInt16>(attr, null_value); break;
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case AttributeUnderlyingType::UInt32: createAttributeImpl<UInt32>(attr, null_value); break;
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case AttributeUnderlyingType::UInt64: createAttributeImpl<UInt64>(attr, null_value); break;
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case AttributeUnderlyingType::Int8: createAttributeImpl<Int8>(attr, null_value); break;
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case AttributeUnderlyingType::Int16: createAttributeImpl<Int16>(attr, null_value); break;
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case AttributeUnderlyingType::Int32: createAttributeImpl<Int32>(attr, null_value); break;
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case AttributeUnderlyingType::Int64: createAttributeImpl<Int64>(attr, null_value); break;
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case AttributeUnderlyingType::Float32: createAttributeImpl<Float32>(attr, null_value); break;
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case AttributeUnderlyingType::Float64: createAttributeImpl<Float64>(attr, null_value); break;
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case AttributeUnderlyingType::String:
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{
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std::get<String>(attr.null_values) = null_value.get<String>();
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std::get<ContainerPtrType<StringRef>>(attr.maps) = std::make_unique<ContainerType<StringRef>>();
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attr.string_arena = std::make_unique<Arena>();
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break;
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}
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}
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return attr;
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}
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template <typename OutputType, typename ValueSetter, typename DefaultGetter>
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void ComplexKeyHashedDictionary::getItemsNumber(
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const Attribute & attribute,
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const Columns & key_columns,
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ValueSetter && set_value,
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DefaultGetter && get_default) const
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{
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if (false) {}
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#define DISPATCH(TYPE) \
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else if (attribute.type == AttributeUnderlyingType::TYPE) \
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getItemsImpl<TYPE, OutputType>(attribute, key_columns, std::forward<ValueSetter>(set_value), std::forward<DefaultGetter>(get_default));
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DISPATCH(UInt8)
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DISPATCH(UInt16)
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DISPATCH(UInt32)
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DISPATCH(UInt64)
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DISPATCH(Int8)
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DISPATCH(Int16)
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DISPATCH(Int32)
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DISPATCH(Int64)
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DISPATCH(Float32)
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DISPATCH(Float64)
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#undef DISPATCH
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else
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throw Exception("Unexpected type of attribute: " + toString(attribute.type), ErrorCodes::LOGICAL_ERROR);
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}
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template <typename AttributeType, typename OutputType, typename ValueSetter, typename DefaultGetter>
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void ComplexKeyHashedDictionary::getItemsImpl(
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const Attribute & attribute,
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const Columns & key_columns,
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ValueSetter && set_value,
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DefaultGetter && get_default) const
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{
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const auto & attr = *std::get<ContainerPtrType<AttributeType>>(attribute.maps);
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const auto keys_size = key_columns.size();
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StringRefs keys(keys_size);
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Arena temporary_keys_pool;
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const auto rows = key_columns.front()->size();
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for (const auto i : ext::range(0, rows))
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{
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/// copy key data to arena so it is contiguous and return StringRef to it
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const auto key = placeKeysInPool(i, key_columns, keys, temporary_keys_pool);
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const auto it = attr.find(key);
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set_value(i, it != attr.end() ? it->second : get_default(i));
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/// free memory allocated for the key
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temporary_keys_pool.rollback(key.size);
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}
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query_count.fetch_add(rows, std::memory_order_relaxed);
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}
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template <typename T>
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bool ComplexKeyHashedDictionary::setAttributeValueImpl(Attribute & attribute, const StringRef key, const T value)
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{
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auto & map = *std::get<ContainerPtrType<T>>(attribute.maps);
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const auto pair = map.insert({ key, value });
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return pair.second;
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}
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bool ComplexKeyHashedDictionary::setAttributeValue(Attribute & attribute, const StringRef key, const Field & value)
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{
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switch (attribute.type)
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{
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case AttributeUnderlyingType::UInt8: return setAttributeValueImpl<UInt8>(attribute, key, value.get<UInt64>());
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case AttributeUnderlyingType::UInt16: return setAttributeValueImpl<UInt16>(attribute, key, value.get<UInt64>());
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case AttributeUnderlyingType::UInt32: return setAttributeValueImpl<UInt32>(attribute, key, value.get<UInt64>());
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case AttributeUnderlyingType::UInt64: return setAttributeValueImpl<UInt64>(attribute, key, value.get<UInt64>());
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case AttributeUnderlyingType::Int8: return setAttributeValueImpl<Int8>(attribute, key, value.get<Int64>());
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case AttributeUnderlyingType::Int16: return setAttributeValueImpl<Int16>(attribute, key, value.get<Int64>());
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case AttributeUnderlyingType::Int32: return setAttributeValueImpl<Int32>(attribute, key, value.get<Int64>());
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case AttributeUnderlyingType::Int64: return setAttributeValueImpl<Int64>(attribute, key, value.get<Int64>());
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case AttributeUnderlyingType::Float32: return setAttributeValueImpl<Float32>(attribute, key, value.get<Float64>());
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case AttributeUnderlyingType::Float64: return setAttributeValueImpl<Float64>(attribute, key, value.get<Float64>());
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case AttributeUnderlyingType::String:
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{
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auto & map = *std::get<ContainerPtrType<StringRef>>(attribute.maps);
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const auto & string = value.get<String>();
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const auto string_in_arena = attribute.string_arena->insert(string.data(), string.size());
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const auto pair = map.insert({ key, StringRef{string_in_arena, string.size()} });
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return pair.second;
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}
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}
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return {};
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}
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const ComplexKeyHashedDictionary::Attribute & ComplexKeyHashedDictionary::getAttribute(const std::string & attribute_name) const
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{
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const auto it = attribute_index_by_name.find(attribute_name);
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if (it == std::end(attribute_index_by_name))
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throw Exception{
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name + ": no such attribute '" + attribute_name + "'",
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ErrorCodes::BAD_ARGUMENTS};
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return attributes[it->second];
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}
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StringRef ComplexKeyHashedDictionary::placeKeysInPool(
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const size_t row, const Columns & key_columns, StringRefs & keys, Arena & pool)
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{
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const auto keys_size = key_columns.size();
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size_t sum_keys_size{};
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|
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const char * block_start = nullptr;
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for (size_t j = 0; j < keys_size; ++j)
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{
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keys[j] = key_columns[j]->serializeValueIntoArena(row, pool, block_start);
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sum_keys_size += keys[j].size;
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}
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|
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auto key_start = block_start;
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for (size_t j = 0; j < keys_size; ++j)
|
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{
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keys[j].data = key_start;
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key_start += keys[j].size;
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}
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|
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return { block_start, sum_keys_size };
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|
}
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|
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template <typename T>
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void ComplexKeyHashedDictionary::has(const Attribute & attribute, const Columns & key_columns, PaddedPODArray<UInt8> & out) const
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|
{
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const auto & attr = *std::get<ContainerPtrType<T>>(attribute.maps);
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|
const auto keys_size = key_columns.size();
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|
StringRefs keys(keys_size);
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|
Arena temporary_keys_pool;
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const auto rows = key_columns.front()->size();
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|
|
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for (const auto i : ext::range(0, rows))
|
|
{
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|
/// copy key data to arena so it is contiguous and return StringRef to it
|
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const auto key = placeKeysInPool(i, key_columns, keys, temporary_keys_pool);
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|
|
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const auto it = attr.find(key);
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out[i] = it != attr.end();
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|
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/// free memory allocated for the key
|
|
temporary_keys_pool.rollback(key.size);
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|
}
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|
|
|
query_count.fetch_add(rows, std::memory_order_relaxed);
|
|
}
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|
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std::vector<StringRef> ComplexKeyHashedDictionary::getKeys() const
|
|
{
|
|
const Attribute & attribute = attributes.front();
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|
|
|
switch (attribute.type)
|
|
{
|
|
case AttributeUnderlyingType::UInt8: return getKeys<UInt8>(attribute); break;
|
|
case AttributeUnderlyingType::UInt16: return getKeys<UInt16>(attribute); break;
|
|
case AttributeUnderlyingType::UInt32: return getKeys<UInt32>(attribute); break;
|
|
case AttributeUnderlyingType::UInt64: return getKeys<UInt64>(attribute); break;
|
|
case AttributeUnderlyingType::Int8: return getKeys<Int8>(attribute); break;
|
|
case AttributeUnderlyingType::Int16: return getKeys<Int16>(attribute); break;
|
|
case AttributeUnderlyingType::Int32: return getKeys<Int32>(attribute); break;
|
|
case AttributeUnderlyingType::Int64: return getKeys<Int64>(attribute); break;
|
|
case AttributeUnderlyingType::Float32: return getKeys<Float32>(attribute); break;
|
|
case AttributeUnderlyingType::Float64: return getKeys<Float64>(attribute); break;
|
|
case AttributeUnderlyingType::String: return getKeys<StringRef>(attribute); break;
|
|
}
|
|
return {};
|
|
}
|
|
|
|
template <typename T>
|
|
std::vector<StringRef> ComplexKeyHashedDictionary::getKeys(const Attribute & attribute) const
|
|
{
|
|
const ContainerType<T> & attr = *std::get<ContainerPtrType<T>>(attribute.maps);
|
|
std::vector<StringRef> keys;
|
|
keys.reserve(attr.size());
|
|
for (const auto & key : attr)
|
|
keys.push_back(key.first);
|
|
|
|
return keys;
|
|
}
|
|
|
|
BlockInputStreamPtr ComplexKeyHashedDictionary::getBlockInputStream(const Names & column_names, size_t max_block_size) const
|
|
{
|
|
using BlockInputStreamType = DictionaryBlockInputStream<ComplexKeyHashedDictionary, UInt64>;
|
|
return std::make_shared<BlockInputStreamType>(shared_from_this(), max_block_size, getKeys(), column_names);
|
|
}
|
|
|
|
|
|
}
|