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52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#include <DB/DataStreams/BlockOutputStreamFromRowOutputStream.h>
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#include <DB/DataStreams/JSONRowOutputStream.h>
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namespace DB
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{
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BlockOutputStreamFromRowOutputStream::BlockOutputStreamFromRowOutputStream(RowOutputStreamPtr row_output_)
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: row_output(row_output_), first_row(true) {}
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void BlockOutputStreamFromRowOutputStream::write(const Block & block)
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{
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size_t rows = block.rows();
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size_t columns = block.columns();
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for (size_t i = 0; i < rows; ++i)
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{
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if (!first_row)
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row_output->writeRowBetweenDelimiter();
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first_row = false;
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row_output->writeRowStartDelimiter();
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for (size_t j = 0; j < columns; ++j)
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{
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if (j != 0)
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row_output->writeFieldDelimiter();
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row_output->writeField((*block.getByPosition(j).column)[i]);
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}
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row_output->writeRowEndDelimiter();
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}
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}
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void BlockOutputStreamFromRowOutputStream::setRowsBeforeLimit(size_t rows_before_limit)
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{
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row_output->setRowsBeforeLimit(rows_before_limit);
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}
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void BlockOutputStreamFromRowOutputStream::setTotals(const Block & totals)
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{
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row_output->setTotals(totals);
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}
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void BlockOutputStreamFromRowOutputStream::setExtremes(const Block & extremes)
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{
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row_output->setExtremes(extremes);
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}
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}
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