instance method
migration_keys
Ruby on Rails 4.1.16
Since v4.0.13 Last seen in v4.2.9Signature
migration_keys()Lists the valid migration options
Source
# File activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb, line 40
def migration_keys
[:name, :limit, :precision, :scale, :default, :null]
end
Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_dumper.rb line 40
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