plugin

Documentation

Index

• Variables
• type Databend
  • func (d *Databend) Connect(config backend.DataSourceInstanceSettings, message json.RawMessage) (*sql.DB, error)
  • func (d *Databend) Converters() []sqlutil.Converter
  • func (d *Databend) Macros() sqlds.Macros
  • func (d *Databend) Settings(config backend.DataSourceInstanceSettings) sqlds.DriverSettings
• type Settings
  • func LoadSettings(config backend.DataSourceInstanceSettings) (settings Settings, err error)

Variables

var (
	ErrorMessageInvalidJSON = errors.New("could not parse json")
	ErrorMessageInvalidDSN  = errors.New("invalid dsn. Either empty or not set")
)

Types

type Databend

type Databend struct{}

Databend defines how to connect to a Databend datasource

func (*Databend) Connect

func (d *Databend) Connect(config backend.DataSourceInstanceSettings, message json.RawMessage) (*sql.DB, error)

Connect opens a sql.DB connection using datasource settings

func (*Databend) Converters

func (d *Databend) Converters() []sqlutil.Converter

Converters defines list of data type converters

func (*Databend) Macros

func (d *Databend) Macros() sqlds.Macros

Macros returns list of macro functions convert the macros of raw query

func (*Databend) Settings

func (d *Databend) Settings(config backend.DataSourceInstanceSettings) sqlds.DriverSettings

type Settings

type Settings struct {
	DSN      string `json:"dsn"`
	Password string `json:"-,omitempty"`
}

Settings - data loaded from grafana settings database

func LoadSettings

func LoadSettings(config backend.DataSourceInstanceSettings) (settings Settings, err error)

LoadSettings will read and validate Settings from the DataSourceConfig