Jay asked for this option, too. Along with the fix for bug 1004551 ("pt-online-schema-change --no-swap-tables causes error"), --no-drop-new-table --no-swap-tables can be used to do all the work and leave the new, altered table and not modify the original table.
Jay asked for this option, too. Along with the fix for bug 1004551 ("pt-online- schema- change --no-swap-tables causes error"), --no-drop-new-table --no-swap-tables can be used to do all the work and leave the new, altered table and not modify the original table.