method
invert_remove_index
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Class: CommandRecorder
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invert_remove_index(args)
private
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# File activerecord/lib/active_record/migration/command_recorder.rb, line 172 def invert_remove_index(args) table, options_or_column = *args if (options = options_or_column).is_a?(Hash) unless options[:column] raise ActiveRecord::IrreversibleMigration, "remove_index is only reversible if given a :column option." end options = options.dup [:add_index, [table, options.delete(:column), options]] elsif (column = options_or_column).present? [:add_index, [table, column]] end end