drivers

type DB interface {
	Exec(string, ...interface{}) (sql.Result, error)
	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
	Query(string, ...interface{}) (*sql.Rows, error)
	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
	QueryRow(string, ...interface{}) *sql.Row
	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
	Prepare(string) (*sql.Stmt, error)
	PrepareContext(context.Context, 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
	// LowerColumnNames will cause column names to be lowered cased.
	LowerColumnNames bool
	// UseColumnTypes will cause database's ColumnTypes func to be used for
	// types.
	UseColumnTypes bool
	// ForceParams will be used to force parameters if defined.
	ForceParams func(*dburl.URL)
	// Open will be used by Open if defined.
	Open func(context.Context, *dburl.URL, func() io.Writer, func() io.Writer) (func(string, string) (*sql.DB, error), error)
	// Version will be used by Version if defined.
	Version func(context.Context, DB) (string, error)
	// User will be used by User if defined.
	User func(context.Context, 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(*dburl.URL, string, string) (string, string, bool, error)
	// ColumnTypes is a callback that will be used if
	ColumnTypes func(*sql.ColumnType) (interface{}, 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
	// NewMetadataReader returns a db metadata introspector.
	NewMetadataReader func(db DB, opts ...metadata.ReaderOption) metadata.Reader
	// NewMetadataWriter returns a db metadata printer.
	NewMetadataWriter func(db DB, w io.Writer, opts ...metadata.ReaderOption) metadata.Writer
	// NewCompleter returns a db auto-completer.
	NewCompleter func(db DB, opts ...completer.Option) readline.AutoCompleter
	// Copy rows into the database table
	Copy func(ctx context.Context, db *sql.DB, rows *sql.Rows, table string) (int64, error)
}

type Error struct {
	Driver string
	Err    error
}