drivers

type DB interface {
	Exec(string, ...interface{}) (sql.Result, error)
	Query(string, ...interface{}) (*sql.Rows, error)
	QueryRow(string, ...interface{}) *sql.Row
	Prepare(string) (*sql.Stmt, error)
}

type Driver struct {
	// Name is a name to override the driver name with.
	Name string

	// AllowDollar will be passed to query buffers to enable dollar ($$) style
	// strings.
	AllowDollar bool

	// AllowMultilineComments will be passed to query buffers to enable
	// multiline (/**/) style comments.
	AllowMultilineComments bool

	// AllowCComments will be passed to query buffers to enable C (//) style
	// comments.
	AllowCComments bool

	// AllowHashComments will be passed to query buffers to enable hash (#)
	// style comments.
	AllowHashComments bool

	// RequirePreviousPassword will be used by RequirePreviousPassword.
	RequirePreviousPassword bool

	// LexerName is the name of the syntax lexer to use.
	LexerName string

	// ForceParams will be used to force parameters if defined.
	ForceParams func(*dburl.URL)

	// Open will be used by Open if defined.
	Open func(*dburl.URL) (func(string, string) (*sql.DB, error), error)

	// Version will be used by Version if defined.
	Version func(DB) (string, error)

	// User will be used by User if defined.
	User func(DB) (string, error)

	// ChangePassword will be used by ChangePassword if defined.
	ChangePassword func(DB, string, string, string) error

	// IsPasswordErr will be used by IsPasswordErr if defined.
	IsPasswordErr func(error) bool

	// Process will be used by Process if defined.
	Process func(string, string) (string, string, bool, error)

	// Columns will be used to retrieve the columns for the rows if
	// defined.
	Columns func(*sql.Rows) ([]string, error)

	// RowsAffected will be used by RowsAffected if defined.
	RowsAffected func(sql.Result) (int64, error)

	// Err will be used by Error.Error if defined.
	Err func(error) (string, string)

	// ConvertBytes will be used by ConvertBytes to convert a raw []byte
	// slice to a string if defined.
	ConvertBytes func([]byte, string) (string, error)

	// ConvertMap will be used by ConvertMap to convert a map[string]interface{}
	// to a string if defined.
	ConvertMap func(map[string]interface{}) (string, error)

	// ConvertSlice will be used by ConvertSlice to convert a []interface{} to
	// a string if defined.
	ConvertSlice func([]interface{}) (string, error)

	// ConvertDefault will be used by ConvertDefault to convert a interface{}
	// to a string if defined.
	ConvertDefault func(interface{}) (string, error)

	// BatchAsTransaction will cause batched queries to be done in a
	// transaction block.
	BatchAsTransaction bool

	// BatchQueryPrefixes will be used by BatchQueryPrefixes if defined.
	BatchQueryPrefixes map[string]string
}

type Error struct {
	Driver string
	Err    error
}