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27 lines
605 B
C++
27 lines
605 B
C++
#include "DictionaryBlockInputStreamBase.h"
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namespace DB
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{
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DictionaryBlockInputStreamBase::DictionaryBlockInputStreamBase(size_t rows_count_, size_t max_block_size_)
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: rows_count(rows_count_), max_block_size(max_block_size_)
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{
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}
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Block DictionaryBlockInputStreamBase::readImpl()
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{
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if (next_row == rows_count)
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return Block();
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size_t block_size = std::min(max_block_size, rows_count - next_row);
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Block block = getBlock(next_row, block_size);
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next_row += block_size;
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return block;
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}
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Block DictionaryBlockInputStreamBase::getHeader() const
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{
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return getBlock(0, 0);
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}
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}
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