method
invert_remove_index
v5.2.3 -
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- Class:
ActiveRecord::Migration::CommandRecorder
invert_remove_index(args)private
No documentation available.
# File activerecord/lib/active_record/migration/command_recorder.rb, line 170
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