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module ActiveRecord
module ConnectionAdapters
# PostgreSQL-specific extensions to column definitions in a table.
class PostgreSQLColumn < Column #:nodoc:
attr_reader :array, :oid, :fmod
alias :array? :array
def initialize(name, default, cast_type, sql_type = nil, null = true, default_function = nil, oid = nil, fmod = nil)
if sql_type =~ /\[\]$/
@array = true
sql_type = sql_type[0..sql_type.length - 3]
else
@array = false
end
@oid = oid
@fmod = fmod
super(name, default, cast_type, sql_type, null, default_function)
end
def serial?
default_function && default_function =~ /\Anextval\(.*\)\z/
end
end
end
end
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