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@ -16,7 +16,8 @@ namespace DB
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* split(sep, s)
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* join(sep, arr)
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* join(arr)
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* alphaTokens(s) - выделить из строки подпоследовательности [a-zA-Z]+.
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* alphaTokens(s) - выделить из строки подпоследовательности [a-zA-Z]+.
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* extractAll(regexp, s) - выделить из строки подпоследовательности, соответствующие регекспу.
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*
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* Функции работы с URL расположены отдельно.
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*/
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@ -236,10 +236,8 @@ private:
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type_arr->serializeOffsets(column, compressed,
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boost::bind(&MergeTreeBlockOutputStream::writeCallback, this,
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boost::ref(prev_mark), boost::ref(plain), boost::ref(compressed), boost::ref(marks)));
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writeData(path, name, *type_arr->getNestedType(), dynamic_cast<const ColumnArray &>(column).getData(), level + 1);
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}
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else
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{
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WriteBufferFromFile plain(path + escaped_column_name + ".bin", DBMS_DEFAULT_BUFFER_SIZE, flags);
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WriteBufferFromFile marks(path + escaped_column_name + ".mrk", 4096, flags);
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@ -402,10 +400,8 @@ private:
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type_arr->serializeOffsets(column, stream.compressed,
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boost::bind(&MergedBlockOutputStream::writeCallback, this,
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boost::ref(prev_mark), boost::ref(stream.plain), boost::ref(stream.compressed), boost::ref(stream.marks)));
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writeData(name, *type_arr->getNestedType(), dynamic_cast<const ColumnArray &>(column).getData(), level + 1);
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}
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else
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{
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ColumnStream & stream = *column_streams[name];
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@ -550,8 +546,8 @@ public:
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{
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/// Читаем PK, и на основе primary_prefix, primary_range определим mark_number и rows_limit.
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size_t min_mark_number = 0;
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size_t max_mark_number = 0;
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ssize_t min_mark_number = -1;
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ssize_t max_mark_number = -1;
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String index_path = path + "primary.idx";
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ReadBufferFromFile index(index_path, std::min(static_cast<size_t>(DBMS_DEFAULT_BUFFER_SIZE), Poco::File(index_path).getSize()));
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@ -591,8 +587,8 @@ public:
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}
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}
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mark_number = min_mark_number;
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rows_limit = (max_mark_number - min_mark_number + 1) * storage.index_granularity;
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mark_number = min_mark_number == -1 ? 0 : min_mark_number;
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rows_limit = max_mark_number == -1 ? std::numeric_limits<size_t>::max() : ((max_mark_number - min_mark_number + 1) * storage.index_granularity);
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std::cerr << mark_number << ", " << rows_limit << std::endl;
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}
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