Module: Sequel::Plugins::PgTypecastOnLoad::ClassMethods

Defined in:
lib/sequel/plugins/pg_typecast_on_load.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#pg_typecast_on_load_columns ⇒ Object (readonly)

The columns to typecast on load for this model.



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# File 'lib/sequel/plugins/pg_typecast_on_load.rb', line 43

def pg_typecast_on_load_columns
  @pg_typecast_on_load_columns
end

Instance Method Details

#add_pg_typecast_on_load_columns(*columns) ⇒ Object

Add additional columns to typecast on load for this model.



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# File 'lib/sequel/plugins/pg_typecast_on_load.rb', line 46

def add_pg_typecast_on_load_columns(*columns)
  @pg_typecast_on_load_columns.concat(columns)
end

#call(values) ⇒ Object 



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# File 'lib/sequel/plugins/pg_typecast_on_load.rb', line 50

def call(values)
  super(load_typecast_pg(values))
end

#freeze ⇒ Object

Freeze the typecast on load columns when freezing the model class.



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# File 'lib/sequel/plugins/pg_typecast_on_load.rb', line 55

def freeze
  @pg_typecast_on_load_columns.freeze

  super
end

#load_typecast_pg(values) ⇒ Object

Lookup the conversion proc for the column's oid in the Database object, and use it to convert the value.



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# File 'lib/sequel/plugins/pg_typecast_on_load.rb', line 63

def load_typecast_pg(values)
  pg_typecast_on_load_columns.each do |c|
    if (v = values[c]).is_a?(String) && (oid = db_schema[c][:oid]) && (pr = db.conversion_procs[oid])
      values[c] = pr.call(v)
    end
  end
  values
end