Module: ActiveRecord::ConnectionAdapters::SchemaStatements

Defined in:
lib/active_record/connection_adapters/jdbc_adapter.rb

Instance Method Summary collapse

Instance Method Details

#type_to_sql(type, limit = nil, precision = nil, scale = nil) ⇒ Object

The original implementation of this had a bug, which modifies native_database_types. This version allows us to cache that value.



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# File 'lib/active_record/connection_adapters/jdbc_adapter.rb', line 17

def type_to_sql(type, limit = nil, precision = nil, scale = nil) #:nodoc:
  native = native_database_types[type.to_s.downcase.to_sym]
  column_type_sql = native.is_a?(Hash) ? native[:name] : native
  if type == :decimal # ignore limit, use precison and scale
    precision ||= native[:precision]
    scale ||= native[:scale]
    if precision
      if scale
        column_type_sql += "(#{precision},#{scale})"
      else
        column_type_sql += "(#{precision})"
      end
    else
      raise ArgumentError, "Error adding decimal column: precision cannot be empty if scale if specified" if scale
    end
    column_type_sql
  else
    limit ||= native[:limit]
    column_type_sql += "(#{limit})" if limit
    column_type_sql
  end
end