Method: Sequel::Postgres::PGRange::DatabaseMethods.extended

Defined in:
lib/sequel/extensions/pg_range.rb

.extended(db) ⇒ Object

Add the conversion procs to the database and extend the datasets to correctly literalize ruby Range values.



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# File 'lib/sequel/extensions/pg_range.rb', line 132

def self.extended(db)
  db.instance_exec do
    @pg_range_schema_types ||= {}
    extend_datasets(DatasetMethods)
    register_range_type('int4range', :oid=>3904, :subtype_oid=>23)
    register_range_type('numrange', :oid=>3906, :subtype_oid=>1700)
    register_range_type('tsrange', :oid=>3908, :subtype_oid=>1114)
    register_range_type('tstzrange', :oid=>3910, :subtype_oid=>1184)
    register_range_type('daterange', :oid=>3912, :subtype_oid=>1082)
    register_range_type('int8range', :oid=>3926, :subtype_oid=>20)
    if respond_to?(:register_array_type)
      register_array_type('int4range', :oid=>3905, :scalar_oid=>3904, :scalar_typecast=>:int4range)
      register_array_type('numrange', :oid=>3907, :scalar_oid=>3906, :scalar_typecast=>:numrange)
      register_array_type('tsrange', :oid=>3909, :scalar_oid=>3908, :scalar_typecast=>:tsrange)
      register_array_type('tstzrange', :oid=>3911, :scalar_oid=>3910, :scalar_typecast=>:tstzrange)
      register_array_type('daterange', :oid=>3913, :scalar_oid=>3912, :scalar_typecast=>:daterange)
      register_array_type('int8range', :oid=>3927, :scalar_oid=>3926, :scalar_typecast=>:int8range)
    end
    [:int4range, :numrange, :tsrange, :tstzrange, :daterange, :int8range].each do |v|
      @schema_type_classes[v] = PGRange
    end

    procs = conversion_procs
    add_conversion_proc(3908, Parser.new("tsrange", procs[1114]))
    add_conversion_proc(3910, Parser.new("tstzrange", procs[1184]))
    if respond_to?(:register_array_type) && defined?(PGArray::Creator)
      add_conversion_proc(3909, PGArray::Creator.new("tsrange", procs[3908]))
      add_conversion_proc(3911, PGArray::Creator.new("tstzrange", procs[3910]))
    end
  end
end