Golang database/sql.NullString.Scan function example

package database/sql

Scan implements the Scanner interface.

Golang database/sql.NullString.Scan function usage example

// Scan implements the Scanner interface.

 func (os *OracleString) Scan(value interface{}) error {
  if value == nil {
 os.String, os.Valid = "", false
 return nil
  }
  os.Valid = true
  return os.NullString.Scan(value)
 }

Reference :

http://golang.org/pkg/database/sql/#NullString.Scan