Wrapper for database access

gdbc.go

// SqlGdbc (SQL Go database connection) is a wrapper for SQL database handler ( can be *sql.DB or *sql.Tx)
// It should be able to work with all SQL data that follows SQL standard.
type SqlGdbc interface {
	Exec(query string, args ...interface{}) (sql.Result, error)
	Prepare(query string) (*sql.Stmt, error)
	Query(query string, args ...interface{}) (*sql.Rows, error)
	QueryRow(query string, args ...interface{}) *sql.Row
	// If need transaction support, add this interface
	Transactioner
}

// SqlDBTx is the concrete implementation of sqlGdbc by using *sql.DB
type SqlDBTx struct {
	DB *sql.DB
}

// SqlConnTx is the concrete implementation of sqlGdbc by using *sql.Tx
type SqlConnTx struct {
	DB *sql.Tx
}