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Versions: 24
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Contents
module ActiveRecord
module ConnectionAdapters
module MySQL
class Column < ConnectionAdapters::Column # :nodoc:
delegate :strict, :extra, to: :sql_type_metadata, allow_nil: true
def initialize(*)
super
assert_valid_default
extract_default
end
def has_default?
return false if blob_or_text_column? # MySQL forbids defaults on blob and text columns
super
end
def blob_or_text_column?
/\A(?:tiny|medium|long)?blob\b/ === sql_type || type == :text
end
def unsigned?
/\A(?:enum|set)\b/ !~ sql_type && /\bunsigned\b/ === sql_type
end
def case_sensitive?
collation && collation !~ /_ci\z/
end
def auto_increment?
extra == 'auto_increment'
end
private
def extract_default
if blob_or_text_column?
@default = null || strict ? nil : ''
end
end
def assert_valid_default
if blob_or_text_column? && default.present?
raise ArgumentError, "#{type} columns cannot have a default value: #{default.inspect}"
end
end
end
end
end
end
Version data entries
24 entries across 24 versions & 3 rubygems