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98 lines
3.2 KiB
C++
98 lines
3.2 KiB
C++
#include <Processors/Sources/SourceWithProgress.h>
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#include <Interpreters/ProcessList.h>
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#include <Access/EnabledQuota.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 TOO_MANY_ROWS;
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extern const int TOO_MANY_BYTES;
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}
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void SourceWithProgress::work()
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{
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if (!limits.speed_limits.checkTimeLimit(total_stopwatch.elapsed(), limits.timeout_overflow_mode))
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cancel();
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else
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{
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was_progress_called = false;
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ISourceWithProgress::work();
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if (!was_progress_called && has_input)
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progress({ current_chunk.chunk.getNumRows(), current_chunk.chunk.bytes() });
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}
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}
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/// Aggregated copy-paste from IBlockInputStream::progressImpl.
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/// Most of this must be done in PipelineExecutor outside. Now it's done for compatibility with IBlockInputStream.
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void SourceWithProgress::progress(const Progress & value)
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{
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was_progress_called = true;
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if (total_rows_approx != 0)
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{
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Progress total_rows_progress = {0, 0, total_rows_approx};
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if (progress_callback)
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progress_callback(total_rows_progress);
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if (process_list_elem)
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process_list_elem->updateProgressIn(total_rows_progress);
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total_rows_approx = 0;
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}
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if (progress_callback)
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progress_callback(value);
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if (process_list_elem)
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{
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if (!process_list_elem->updateProgressIn(value))
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cancel();
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/// The total amount of data processed or intended for processing in all sources, possibly on remote servers.
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ProgressValues progress = process_list_elem->getProgressIn();
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size_t total_rows_estimate = std::max(progress.read_rows, progress.total_rows_to_read);
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/// Check the restrictions on the
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/// * amount of data to read
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/// * speed of the query
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/// * quota on the amount of data to read
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/// NOTE: Maybe it makes sense to have them checked directly in ProcessList?
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if (limits.mode == LimitsMode::LIMITS_TOTAL)
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{
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if (!limits.size_limits.check(total_rows_estimate, progress.read_bytes, "rows to read",
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ErrorCodes::TOO_MANY_ROWS, ErrorCodes::TOO_MANY_BYTES))
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cancel();
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}
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size_t total_rows = progress.total_rows_to_read;
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constexpr UInt64 profile_events_update_period_microseconds = 10 * 1000; // 10 milliseconds
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UInt64 total_elapsed_microseconds = total_stopwatch.elapsedMicroseconds();
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if (last_profile_events_update_time + profile_events_update_period_microseconds < total_elapsed_microseconds)
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{
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/// Should be done in PipelineExecutor.
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/// It is here for compatibility with IBlockInputsStream.
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CurrentThread::updatePerformanceCounters();
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last_profile_events_update_time = total_elapsed_microseconds;
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}
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/// Should be done in PipelineExecutor.
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/// It is here for compatibility with IBlockInputsStream.
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limits.speed_limits.throttle(progress.read_rows, progress.read_bytes, total_rows, total_elapsed_microseconds);
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if (quota && limits.mode == LimitsMode::LIMITS_TOTAL)
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quota->used({Quota::READ_ROWS, value.read_rows}, {Quota::READ_BYTES, value.read_bytes});
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}
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}
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}
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