GH-3372: Enhance ColumnSizeCommand to sort by size #3371
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Rationale for this change
ColumnSizeCommand is a great tool to investigate column size. It would be good if we can sort it by column size to help spot the dominating columns.
What changes are included in this PR?
Are these changes tested?
Before this change
After this change
Are there any user-facing changes?
Yes. Two flags are added but are by default off.
Closes #3372