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74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
#include "Progress.h"
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#include <IO/ReadBuffer.h>
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#include <IO/WriteBuffer.h>
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#include <IO/ReadHelpers.h>
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#include <IO/WriteHelpers.h>
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namespace DB
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{
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void ProgressValues::read(ReadBuffer & in, UInt64 /*server_revision*/)
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{
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size_t new_rows = 0;
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size_t new_bytes = 0;
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size_t new_total_rows = 0;
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readVarUInt(new_rows, in);
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readVarUInt(new_bytes, in);
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readVarUInt(new_total_rows, in);
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rows = new_rows;
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bytes = new_bytes;
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total_rows = new_total_rows;
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}
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void ProgressValues::write(WriteBuffer & out, UInt64 /*client_revision*/) const
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{
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writeVarUInt(rows, out);
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writeVarUInt(bytes, out);
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writeVarUInt(total_rows, out);
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}
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void ProgressValues::writeJSON(WriteBuffer & out) const
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{
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/// Numbers are written in double quotes (as strings) to avoid loss of precision
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/// of 64-bit integers after interpretation by JavaScript.
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writeCString("{\"read_rows\":\"", out);
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writeText(rows, out);
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writeCString("\",\"read_bytes\":\"", out);
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writeText(bytes, out);
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writeCString("\",\"total_rows\":\"", out);
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writeText(total_rows, out);
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writeCString("\"}", out);
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}
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void Progress::read(ReadBuffer & in, UInt64 server_revision)
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{
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ProgressValues values;
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values.read(in, server_revision);
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rows.store(values.rows, std::memory_order_relaxed);
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bytes.store(values.bytes, std::memory_order_relaxed);
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total_rows.store(values.total_rows, std::memory_order_relaxed);
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}
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void Progress::write(WriteBuffer & out, UInt64 client_revision) const
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{
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getValues().write(out, client_revision);
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}
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void Progress::writeJSON(WriteBuffer & out) const
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{
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getValues().writeJSON(out);
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}
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}
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