Class: ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Hstore

Inherits:
Type::Value
  • Object
show all
Includes:
Type::Mutable
Defined in:
lib/active_record/connection_adapters/postgresql/oid/hstore.rb

Overview

:nodoc:

Instance Attribute Summary

Attributes inherited from Type::Value

#limit, #precision, #scale

Instance Method Summary collapse

Methods included from Type::Mutable

#changed_in_place?, #type_cast_from_user

Methods inherited from Type::Value

#==, #binary?, #changed?, #changed_in_place?, #initialize, #klass, #number?, #text?, #type_cast_for_schema, #type_cast_from_user

Constructor Details

This class inherits a constructor from ActiveRecord::Type::Value

Instance Method Details

#accessor ⇒ Object 



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# File 'lib/active_record/connection_adapters/postgresql/oid/hstore.rb', line 32

def accessor
  ActiveRecord::Store::StringKeyedHashAccessor
end

#type ⇒ Object 



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# File 'lib/active_record/connection_adapters/postgresql/oid/hstore.rb', line 8

def type
  :hstore
end

#type_cast_for_database(value) ⇒ Object 



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# File 'lib/active_record/connection_adapters/postgresql/oid/hstore.rb', line 24

def type_cast_for_database(value)
  if value.is_a?(::Hash)
    value.map { |k, v| "#{escape_hstore(k)}=>#{escape_hstore(v)}" }.join(', ')
  else
    value
  end
end

#type_cast_from_database(value) ⇒ Object 



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# File 'lib/active_record/connection_adapters/postgresql/oid/hstore.rb', line 12

def type_cast_from_database(value)
  if value.is_a?(::String)
    ::Hash[value.scan(HstorePair).map { |k, v|
      v = v.upcase == 'NULL' ? nil : v.gsub(/\A"(.*)"\Z/m,'\1').gsub(/\\(.)/, '\1')
      k = k.gsub(/\A"(.*)"\Z/m,'\1').gsub(/\\(.)/, '\1')
      [k, v]
    }]
  else
    value
  end
end