mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-10-09 18:10:48 +00:00
2ac5a743cc
The built-in clang doesn’t support value() for
`std::experimental::optional`. It however supports
dereference operator, which is basically the
same thing:
```
/clickhouse/dbms/src/DataStreams/NullableAdapterBlockInputStream.cpp:83:67: error: call to unavailable member function 'value':
res.insert({elem.column, elem.type, rename[i].value()});
~~~~~~~~~~^~~~~
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/experimental/optional:547:17: note: candidate function has been explicitly made unavailable
value_type& value()
^
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/experimental/optional:539:33: note: candidate function has been explicitly made unavailable
constexpr value_type const& value() const
```
651 lines
24 KiB
C++
651 lines
24 KiB
C++
#include <stack>
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#include <ext/map.h>
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#include <ext/range.h>
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#include <Poco/Net/IPAddress.h>
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#include <Poco/ByteOrder.h>
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#include <Dictionaries/TrieDictionary.h>
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#include <Columns/ColumnVector.h>
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#include <Columns/ColumnFixedString.h>
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#include <Dictionaries/DictionaryBlockInputStream.h>
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#include <DataTypes/DataTypeFixedString.h>
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#include <DataTypes/DataTypeString.h>
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#include <IO/WriteIntText.h>
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#include <Common/formatIPv6.h>
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#include <iostream>
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#include <btrie.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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extern const int NOT_IMPLEMENTED;
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}
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TrieDictionary::TrieDictionary(
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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), logger(&Poco::Logger::get("TrieDictionary"))
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{
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createAttributes();
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trie = btrie_create();
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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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TrieDictionary::TrieDictionary(const TrieDictionary & other)
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: TrieDictionary{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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TrieDictionary::~TrieDictionary()
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{
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btrie_destroy(trie);
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}
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#define DECLARE(TYPE)\
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void TrieDictionary::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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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 TrieDictionary::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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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 TrieDictionary::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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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 TrieDictionary::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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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 TrieDictionary::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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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 TrieDictionary::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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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 TrieDictionary::has(const Columns & key_columns, const DataTypes & key_types, PaddedPODArray<UInt8> & out) const
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{
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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 TrieDictionary::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 TrieDictionary::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->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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{
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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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{
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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_column = key_column_ptrs.front();
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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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setAttributeValue(attribute, key_column->getDataAt(row_idx), attribute_column[row_idx]);
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}
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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 TrieDictionary::addAttributeSize(const Attribute & attribute)
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{
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const auto & vec = *std::get<ContainerPtrType<T>>(attribute.maps);
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bytes_allocated += sizeof(ContainerType<T>) + (vec.capacity() * sizeof(T));
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bucket_count = vec.size();
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}
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void TrieDictionary::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 += btrie_allocated(trie);
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}
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void TrieDictionary::validateKeyTypes(const DataTypes & key_types) const
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{
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if (key_types.size() != 1)
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throw Exception{
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"Expected a single IP address",
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ErrorCodes::TYPE_MISMATCH};
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const auto & actual_type = key_types[0]->getName();
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if (actual_type != "UInt32" && actual_type != "FixedString(16)")
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throw Exception{
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"Key does not match, expected either UInt32 or FixedString(16)",
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ErrorCodes::TYPE_MISMATCH};
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}
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template <typename T>
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void TrieDictionary::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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TrieDictionary::Attribute TrieDictionary::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 TrieDictionary::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 TrieDictionary::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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auto & vec = *std::get<ContainerPtrType<AttributeType>>(attribute.maps);
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const auto first_column = key_columns.front();
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const auto rows = first_column->size();
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if (first_column->isNumeric())
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{
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for (const auto i : ext::range(0, rows))
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{
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auto addr = Int32(first_column->get64(i));
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uintptr_t slot = btrie_find(trie, addr);
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set_value(i, slot != BTRIE_NULL ? vec[slot] : get_default(i));
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}
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}
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else
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{
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for (const auto i : ext::range(0, rows))
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{
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auto addr = first_column->getDataAt(i);
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if (addr.size != 16)
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throw Exception("Expected key to be FixedString(16)", ErrorCodes::LOGICAL_ERROR);
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uintptr_t slot = btrie_find_a6(trie, reinterpret_cast<const UInt8*>(addr.data));
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set_value(i, slot != BTRIE_NULL ? vec[slot] : get_default(i));
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}
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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 TrieDictionary::setAttributeValueImpl(Attribute & attribute, const StringRef key, const T value)
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{
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// Insert value into appropriate vector type
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auto & vec = *std::get<ContainerPtrType<T>>(attribute.maps);
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size_t row = vec.size();
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vec.push_back(value);
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// Parse IP address and subnet length from string (e.g. 2a02:6b8::3/64)
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Poco::Net::IPAddress addr, mask;
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std::string addr_str(key.toString());
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size_t pos = addr_str.find('/');
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if (pos != std::string::npos)
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{
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addr = Poco::Net::IPAddress(addr_str.substr(0, pos));
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mask = Poco::Net::IPAddress(std::stoi(addr_str.substr(pos + 1), nullptr, 10), addr.family());
|
|
}
|
|
else
|
|
{
|
|
addr = Poco::Net::IPAddress(addr_str);
|
|
mask = Poco::Net::IPAddress(addr.length() * 8, addr.family());
|
|
}
|
|
|
|
/*
|
|
* Here we might overwrite the same key with the same slot as each key can map to multiple attributes.
|
|
* However, all columns have equal number of rows so it is okay to store only row number for each key
|
|
* instead of building a trie for each column. This comes at the cost of additional lookup in attribute
|
|
* vector on lookup time to return cell from row + column. The reason for this is to save space,
|
|
* and build only single trie instead of trie for each column.
|
|
*/
|
|
if (addr.family() == Poco::Net::IPAddress::IPv4)
|
|
{
|
|
UInt32 addr_v4 = Poco::ByteOrder::toNetwork(*reinterpret_cast<const UInt32*>(addr.addr()));
|
|
UInt32 mask_v4 = Poco::ByteOrder::toNetwork(*reinterpret_cast<const UInt32*>(mask.addr()));
|
|
return btrie_insert(trie, addr_v4, mask_v4, row) == 0;
|
|
}
|
|
|
|
const uint8_t* addr_v6 = reinterpret_cast<const uint8_t*>(addr.addr());
|
|
const uint8_t* mask_v6 = reinterpret_cast<const uint8_t*>(mask.addr());
|
|
return btrie_insert_a6(trie, addr_v6, mask_v6, row) == 0;
|
|
}
|
|
|
|
bool TrieDictionary::setAttributeValue(Attribute & attribute, const StringRef key, const Field & value)
|
|
{
|
|
switch (attribute.type)
|
|
{
|
|
case AttributeUnderlyingType::UInt8: return setAttributeValueImpl<UInt8>(attribute, key, value.get<UInt64>());
|
|
case AttributeUnderlyingType::UInt16: return setAttributeValueImpl<UInt16>(attribute, key, value.get<UInt64>());
|
|
case AttributeUnderlyingType::UInt32: return setAttributeValueImpl<UInt32>(attribute, key, value.get<UInt64>());
|
|
case AttributeUnderlyingType::UInt64: return setAttributeValueImpl<UInt64>(attribute, key, value.get<UInt64>());
|
|
case AttributeUnderlyingType::Int8: return setAttributeValueImpl<Int8>(attribute, key, value.get<Int64>());
|
|
case AttributeUnderlyingType::Int16: return setAttributeValueImpl<Int16>(attribute, key, value.get<Int64>());
|
|
case AttributeUnderlyingType::Int32: return setAttributeValueImpl<Int32>(attribute, key, value.get<Int64>());
|
|
case AttributeUnderlyingType::Int64: return setAttributeValueImpl<Int64>(attribute, key, value.get<Int64>());
|
|
case AttributeUnderlyingType::Float32: return setAttributeValueImpl<Float32>(attribute, key, value.get<Float64>());
|
|
case AttributeUnderlyingType::Float64: return setAttributeValueImpl<Float64>(attribute, key, value.get<Float64>());
|
|
case AttributeUnderlyingType::String:
|
|
{
|
|
const auto & string = value.get<String>();
|
|
const auto string_in_arena = attribute.string_arena->insert(string.data(), string.size());
|
|
setAttributeValueImpl<StringRef>(attribute, key, StringRef{string_in_arena, string.size()});
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return {};
|
|
}
|
|
|
|
const TrieDictionary::Attribute & TrieDictionary::getAttribute(const std::string & attribute_name) const
|
|
{
|
|
const auto it = attribute_index_by_name.find(attribute_name);
|
|
if (it == std::end(attribute_index_by_name))
|
|
throw Exception{
|
|
name + ": no such attribute '" + attribute_name + "'",
|
|
ErrorCodes::BAD_ARGUMENTS};
|
|
|
|
return attributes[it->second];
|
|
}
|
|
|
|
template <typename T>
|
|
void TrieDictionary::has(const Attribute & attribute, const Columns & key_columns, PaddedPODArray<UInt8> & out) const
|
|
{
|
|
const auto first_column = key_columns.front();
|
|
const auto rows = first_column->size();
|
|
if (first_column->isNumeric())
|
|
{
|
|
for (const auto i : ext::range(0, rows))
|
|
{
|
|
auto addr = Int32(first_column->get64(i));
|
|
uintptr_t slot = btrie_find(trie, addr);
|
|
out[i] = (slot != BTRIE_NULL);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (const auto i : ext::range(0, rows))
|
|
{
|
|
auto addr = first_column->getDataAt(i);
|
|
if (unlikely(addr.size != 16))
|
|
throw Exception("Expected key to be FixedString(16)", ErrorCodes::LOGICAL_ERROR);
|
|
|
|
uintptr_t slot = btrie_find_a6(trie, reinterpret_cast<const UInt8*>(addr.data));
|
|
out[i] = (slot != BTRIE_NULL);
|
|
}
|
|
}
|
|
|
|
query_count.fetch_add(rows, std::memory_order_relaxed);
|
|
}
|
|
|
|
template <typename Getter, typename KeyType>
|
|
void TrieDictionary::trieTraverse(const btrie_t * tree, Getter && getter) const
|
|
{
|
|
KeyType key = 0;
|
|
const KeyType high_bit = ~((~key) >> 1);
|
|
|
|
btrie_node_t * node;
|
|
node = tree->root;
|
|
|
|
std::stack<btrie_node_t *> stack;
|
|
while (node)
|
|
{
|
|
stack.push(node);
|
|
node = node->left;
|
|
}
|
|
|
|
auto getBit = [&high_bit](size_t size) { return size ? (high_bit >> (size - 1)) : 0; };
|
|
|
|
while (!stack.empty())
|
|
{
|
|
node = stack.top();
|
|
stack.pop();
|
|
|
|
if (node && node->value != BTRIE_NULL)
|
|
getter(key, stack.size());
|
|
|
|
if (node && node->right)
|
|
{
|
|
stack.push(NULL);
|
|
key |= getBit(stack.size());
|
|
stack.push(node->right);
|
|
while (stack.top()->left)
|
|
stack.push(stack.top()->left);
|
|
}
|
|
else
|
|
key &= ~getBit(stack.size());
|
|
}
|
|
}
|
|
|
|
Columns TrieDictionary::getKeyColumns() const
|
|
{
|
|
auto ip_column = std::make_shared<ColumnFixedString>(IPV6_BINARY_LENGTH);
|
|
auto mask_column = std::make_shared<ColumnVector<UInt8>>();
|
|
|
|
#if defined(__SIZEOF_INT128__)
|
|
auto getter = [& ip_column, & mask_column](__uint128_t ip, size_t mask) {
|
|
UInt64 * ip_array = reinterpret_cast<UInt64 *>(&ip);
|
|
ip_array[0] = Poco::ByteOrder::fromNetwork(ip_array[0]);
|
|
ip_array[1] = Poco::ByteOrder::fromNetwork(ip_array[1]);
|
|
std::swap(ip_array[0], ip_array[1]);
|
|
ip_column->insertData(reinterpret_cast<const char *>(ip_array), IPV6_BINARY_LENGTH);
|
|
mask_column->insert(static_cast<UInt8>(mask));
|
|
};
|
|
|
|
trieTraverse<decltype(getter), __uint128_t>(trie, std::move(getter));
|
|
#else
|
|
throw Exception("TrieDictionary::getKeyColumns is not implemented for 32bit arch", ErrorCodes::NOT_IMPLEMENTED);
|
|
#endif
|
|
return {ip_column, mask_column};
|
|
}
|
|
|
|
BlockInputStreamPtr TrieDictionary::getBlockInputStream(const Names & column_names, size_t max_block_size) const
|
|
{
|
|
using BlockInputStreamType = DictionaryBlockInputStream<TrieDictionary, UInt64>;
|
|
|
|
auto getKeys = [](const Columns& columns, const std::vector<DictionaryAttribute>& attributes)
|
|
{
|
|
const auto & attr = attributes.front();
|
|
return ColumnsWithTypeAndName({ColumnWithTypeAndName(columns.front(),
|
|
std::make_shared<DataTypeFixedString>(IPV6_BINARY_LENGTH), attr.name)});
|
|
};
|
|
auto getView = [](const Columns& columns, const std::vector<DictionaryAttribute>& attributes)
|
|
{
|
|
auto column = std::make_shared<ColumnString>();
|
|
auto ip_column = std::static_pointer_cast<ColumnFixedString>(columns.front());
|
|
auto mask_column = std::static_pointer_cast<ColumnVector<UInt8>>(columns.back());
|
|
char buffer[48];
|
|
for (size_t row : ext::range(0, ip_column->size()))
|
|
{
|
|
UInt8 mask = mask_column->getElement(row);
|
|
char * ptr = buffer;
|
|
formatIPv6(reinterpret_cast<const unsigned char *>(ip_column->getDataAt(row).data), ptr);
|
|
*(ptr - 1) = '/';
|
|
auto size = detail::writeUIntText(mask, ptr);
|
|
column->insertData(buffer, size + (ptr - buffer));
|
|
}
|
|
return ColumnsWithTypeAndName{ColumnWithTypeAndName(column, std::make_shared<DataTypeString>(), attributes.front().name)};
|
|
};
|
|
return std::make_shared<BlockInputStreamType>(shared_from_this(), max_block_size, getKeyColumns(), column_names,
|
|
std::move(getKeys), std::move(getView));
|
|
}
|
|
|
|
}
|