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fixed
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25fbc79376
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@ -1546,7 +1546,10 @@ struct WindowFunctionRank final : public StatelessWindowFunction
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RowNumber firstRequiredRowInFrame(const WindowTransform * transform) const override
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{
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return transform->peer_group_start;
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if (transform->window_description.frame.begin_type == WindowFrame::BoundaryType::Unbounded
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&& transform->window_description.frame.end_type == WindowFrame::BoundaryType::Current)
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return transform->peer_group_start;
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return transform->frame_start;
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}
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};
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@ -1569,7 +1572,10 @@ struct WindowFunctionDenseRank final : public StatelessWindowFunction
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RowNumber firstRequiredRowInFrame(const WindowTransform * transform) const override
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{
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return transform->peer_group_start;
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if (transform->window_description.frame.begin_type == WindowFrame::BoundaryType::Unbounded
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&& transform->window_description.frame.end_type == WindowFrame::BoundaryType::Current)
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return transform->peer_group_start;
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return transform->frame_start;
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}
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};
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@ -2050,8 +2056,13 @@ struct WindowFunctionRowNumber final : public StatelessWindowFunction
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RowNumber firstRequiredRowInFrame(const WindowTransform * transform) const override
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{
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/// Current block is the only one required to be kept in memory.
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auto [row, _] = transform->moveRowNumber(transform->current_row, -1);
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return row;
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if (transform->window_description.frame.begin_type == WindowFrame::BoundaryType::Unbounded
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&& transform->window_description.frame.end_type == WindowFrame::BoundaryType::Current)
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{
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auto [row, _] = transform->moveRowNumber(transform->current_row, -1);
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return row;
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}
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return transform->frame_start;
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}
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};
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