Class: Dumbo::Type

Inherits:
PgObject show all
Defined in:
lib/dumbo/type.rb

Direct Known Subclasses

BaseType, CompositeType, EnumType, RangeType

Instance Attribute Summary collapse

Attributes inherited from PgObject

#oid

Instance Method Summary collapse

Methods inherited from PgObject

#downgrade, #execute, identfied_by, #identify, #initialize, #upgrade

Constructor Details

This class inherits a constructor from Dumbo::PgObject

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/dumbo/type.rb', line 3

def name
  @name
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/dumbo/type.rb', line 3

def type
  @type
end

#typrelid ⇒ Object

Returns the value of attribute typrelid.



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# File 'lib/dumbo/type.rb', line 3

def typrelid
  @typrelid
end

Instance Method Details

#drop ⇒ Object 



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# File 'lib/dumbo/type.rb', line 26

def drop
  "DROP TYPE #{name};"
end

#get ⇒ Object 



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# File 'lib/dumbo/type.rb', line 13

def get
  case type
  when 'c'
    CompositeType.new(oid)
  when 'b'
    BaseType.new(oid)
  when 'r'
    RangeType.new(oid)
  when 'e'
    EnumType.new(oid)
  end
end

#load_attributes ⇒ Object 



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# File 'lib/dumbo/type.rb', line 6

def load_attributes
  result = execute("SELECT typname, typtype, typrelid FROM pg_type WHERE oid = #{oid}").first
  @name = result['typname']
  @type = result['typtype']
  @typrelid = result['typrelid']
end