Improve TQueue::clear.
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5945cc9b70
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@ -216,15 +216,23 @@ class TQueueImpl final : public TQueue {
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}
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void clear(QueueId queue_id, size_t keep_count) final {
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auto size = get_size(queue_id);
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auto queue_it = queues_.find(queue_id);
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if (queue_it == queues_.end()) {
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return;
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}
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auto &q = queue_it->second;
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auto size = get_size(q);
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if (size <= keep_count) {
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return;
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}
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MutableSpan<TQueue::Event> span;
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auto r_size = get(queue_id, get_tail(queue_id).advance(0 - keep_count).move_as_ok(), true, 0, span);
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CHECK(r_size.is_ok());
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CHECK(r_size.ok() == keep_count);
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auto end_it = q.events.end();
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while (keep_count-- > 0) {
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--end_it;
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}
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for (auto it = q.events.begin(); it != end_it;) {
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pop(q, queue_id, it, q.tail_id);
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}
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}
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Result<size_t> get(QueueId queue_id, EventId from_id, bool forget_previous, int32 unix_time_now,
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