adaptor

type Adaptor interface {
	DB

	DriverName() string
	Schema() string
	Endpoint() string

	Dialect() Dialect
	Catalog(context.Context) (builder.Catalog, error)
}

type Connector interface {
	Open(context.Context, *url.URL) (Adaptor, error)
}

type DB interface {
	Exec(context.Context, frag.Fragment) (sql.Result, error)
	Query(context.Context, frag.Fragment) (*sql.Rows, error)
	Tx(context.Context, func(context.Context) error) error
	Close() error
}

type Dialect interface {
	CreateSchema(string) frag.Fragment
	SwitchSchema(string) frag.Fragment

	CreateTableIfNotExists(t builder.Table) []frag.Fragment
	DropTable(t builder.Table) frag.Fragment
	TruncateTable(t builder.Table) frag.Fragment

	AddColumn(builder.Col) frag.Fragment
	DropColumn(builder.Col) frag.Fragment
	RenameColumn(builder.Col, builder.Col) frag.Fragment
	ModifyColumn(builder.Col, builder.Col) frag.Fragment

	AddIndex(key builder.Key) frag.Fragment
	DropIndex(key builder.Key) frag.Fragment

	DBType(builder.ColumnDef) frag.Fragment
	IsUnknownDatabaseError(error) bool
	IsConflictError(err error) bool
}

type Executor interface {
	ExecContext(context.Context, string, ...any) (sql.Result, error)
	QueryContext(context.Context, string, ...any) (*sql.Rows, error)
}