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func (*Backend) Close ¶

func (b *Backend) Close() error

Close is a no-op; the HTTP client has no persistent connections to release.

func (*Backend) ColumnIndexTypes ¶

func (b *Backend) ColumnIndexTypes(namespace, table string) (map[string]string, error)

ColumnIndexTypes returns {"_timestamp": "INDEX"} for every stream.

func (*Backend) ColumnsMeta ¶

func (b *Backend) ColumnsMeta(namespace, table string) ([]db.ColumnMeta, error)

ColumnsMeta returns column metadata for a log stream via its schema endpoint.

func (*Backend) CurrentNamespace ¶

func (b *Backend) CurrentNamespace() string

CurrentNamespace satisfies the optional interface used by CurrentTableNamespace so that the refresh command can re-fetch the correct org after navigation.

func (*Backend) FetchTable ¶

func (b *Backend) FetchTable(namespace, table string, limit int) (*data.Frame, error)

FetchTable loads up to limit rows of namespace.table, newest first.

func (*Backend) GetPage ¶

func (b *Backend) GetPage() int

GetPage returns the current 0-based page index.

func (*Backend) GetPageSize ¶

func (b *Backend) GetPageSize() int

GetPageSize returns the page size.

func (*Backend) GetTimeRange ¶

func (b *Backend) GetTimeRange() int

GetTimeRange returns the current time range in minutes.

func (*Backend) Kind ¶

func (b *Backend) Kind() string

func (*Backend) ListDashboardsInFolder ¶

func (b *Backend) ListDashboardsInFolder(folderID, folderName string) ([]DashboardInfo, error)

ListDashboardsInFolder returns all dashboards in a folder, with panels pre-populated.

func (*Backend) ListFolders ¶

func (b *Backend) ListFolders() ([]FolderInfo, error)

ListFolders returns all dashboard folders for the configured org.

func (*Backend) Namespaces ¶

func (b *Backend) Namespaces() ([]string, error)

Namespaces returns the single configured org as the only namespace.

func (*Backend) PrimaryKeys ¶

func (b *Backend) PrimaryKeys(namespace, table string) ([]string, error)

PrimaryKeys returns ["_timestamp"] as the logical primary key for every stream.

func (*Backend) QueryPanel ¶

func (b *Backend) QueryPanel(ctx PanelQueryContext) ([]map[string]any, error)

QueryPanel executes a panel SQL query over the current time window.

func (*Backend) ResetTimeWindow ¶

func (b *Backend) ResetTimeWindow()

ResetTimeWindow recalculates the query time window to end NOW. Called on explicit refresh (r key) or when the time-range setting changes.

func (*Backend) Run ¶

func (b *Backend) Run(stmt string) (db.Result, error)

Run executes a SQL statement. For OpenObserve all statements are read-only queries sent over the SSE search endpoint against the last 15 minutes.

func (*Backend) SetPage ¶

func (b *Backend) SetPage(page int)

SetPage sets the current 0-based page index.

func (*Backend) SetPageSize ¶

func (b *Backend) SetPageSize(n int)

func (*Backend) SetTimeRange ¶

func (b *Backend) SetTimeRange(minutes int)

SetTimeRange sets the query time range in minutes.

func (*Backend) Tables ¶

func (b *Backend) Tables(namespace string) ([]string, error)

Tables lists log streams in the given namespace (org).

func (*Backend) Title ¶

func (b *Backend) Title() string