/
column.rb
69 lines (56 loc) · 1.4 KB
/
column.rb
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# frozen_string_literal: true
require "active_support/core_ext/object/blank"
module ActiveRecord
module ConnectionAdapters
module PostgreSQL
class Column < ConnectionAdapters::Column # :nodoc:
delegate :oid, :fmod, to: :sql_type_metadata
def initialize(*, serial: nil, generated: nil, **)
super
@serial = serial
@generated = generated
end
def serial?
@serial
end
def virtual?
# We assume every generated column is virtual, no matter the concrete type
@generated.present?
end
def has_default?
super && !virtual?
end
def array
sql_type_metadata.sql_type.end_with?("[]")
end
alias :array? :array
def enum?
type == :enum
end
def sql_type
super.delete_suffix("[]")
end
def init_with(coder)
@serial = coder["serial"]
super
end
def encode_with(coder)
coder["serial"] = @serial
super
end
def ==(other)
other.is_a?(Column) &&
super &&
serial? == other.serial?
end
alias :eql? :==
def hash
Column.hash ^
super.hash ^
serial?.hash
end
end
end
PostgreSQLColumn = PostgreSQL::Column # :nodoc:
end
end