This commit is contained in:
lgbo-ustc 2024-11-14 14:39:14 +08:00
parent 25fbc79376
commit 43a57c4f56

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@ -1546,7 +1546,10 @@ struct WindowFunctionRank final : public StatelessWindowFunction
RowNumber firstRequiredRowInFrame(const WindowTransform * transform) const override
{
if (transform->window_description.frame.begin_type == WindowFrame::BoundaryType::Unbounded
&& transform->window_description.frame.end_type == WindowFrame::BoundaryType::Current)
return transform->peer_group_start;
return transform->frame_start;
}
};
@ -1569,7 +1572,10 @@ struct WindowFunctionDenseRank final : public StatelessWindowFunction
RowNumber firstRequiredRowInFrame(const WindowTransform * transform) const override
{
if (transform->window_description.frame.begin_type == WindowFrame::BoundaryType::Unbounded
&& transform->window_description.frame.end_type == WindowFrame::BoundaryType::Current)
return transform->peer_group_start;
return transform->frame_start;
}
};
@ -2050,9 +2056,14 @@ struct WindowFunctionRowNumber final : public StatelessWindowFunction
RowNumber firstRequiredRowInFrame(const WindowTransform * transform) const override
{
/// Current block is the only one required to be kept in memory.
if (transform->window_description.frame.begin_type == WindowFrame::BoundaryType::Unbounded
&& transform->window_description.frame.end_type == WindowFrame::BoundaryType::Current)
{
auto [row, _] = transform->moveRowNumber(transform->current_row, -1);
return row;
}
return transform->frame_start;
}
};
namespace