instance method
invert_remove_index
Ruby on Rails 5.0.7.2
Since v4.0.13 Private — implementation detail, not part of the public APISignature
invert_remove_index(args)No documentation comment.
Parameters
-
argsreq
Source
# 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
Defined in activerecord/lib/active_record/migration/command_recorder.rb line 172
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Defined in ActiveRecord::Migration::CommandRecorder