pub struct Instance {
catalog_manager: CatalogManagerRef,
pipeline_operator: Arc<PipelineOperator>,
statement_executor: Arc<StatementExecutor>,
query_engine: QueryEngineRef,
plugins: Plugins,
inserter: InserterRef,
deleter: DeleterRef,
table_metadata_manager: TableMetadataManagerRef,
stats: StatementStatistics,
limiter: Option<Arc<Limiter>>,
}Expand description
The frontend instance contains necessary components, and implements many
traits, like servers::query_handler::grpc::GrpcQueryHandler,
servers::query_handler::sql::SqlQueryHandler, etc.
Fields§
§catalog_manager: CatalogManagerRef§pipeline_operator: Arc<PipelineOperator>§statement_executor: Arc<StatementExecutor>§query_engine: QueryEngineRef§plugins: Plugins§inserter: InserterRef§deleter: DeleterRef§table_metadata_manager: TableMetadataManagerRef§stats: StatementStatistics§limiter: Option<Arc<Limiter>>Implementations§
Source§impl Instance
impl Instance
pub async fn handle_inserts( &self, requests: InsertRequests, ctx: QueryContextRef, ) -> Result<Output>
pub async fn handle_row_inserts( &self, requests: RowInsertRequests, ctx: QueryContextRef, ) -> Result<Output>
pub async fn handle_influx_row_inserts( &self, requests: RowInsertRequests, ctx: QueryContextRef, ) -> Result<Output>
pub async fn handle_metric_row_inserts( &self, requests: RowInsertRequests, ctx: QueryContextRef, physical_table: String, ) -> Result<Output>
pub async fn handle_deletes( &self, requests: DeleteRequests, ctx: QueryContextRef, ) -> Result<Output>
pub async fn handle_row_deletes( &self, requests: RowDeleteRequests, ctx: QueryContextRef, ) -> Result<Output>
Source§impl Instance
impl Instance
pub async fn handle_log_inserts( &self, log: RowInsertRequests, ctx: QueryContextRef, ) -> ServerResult<Output>
pub async fn handle_trace_inserts( &self, rows: RowInsertRequests, ctx: QueryContextRef, ) -> ServerResult<Output>
Source§impl Instance
impl Instance
async fn handle_remote_query( &self, ctx: &QueryContextRef, catalog_name: &str, schema_name: &str, table_name: &str, query: &Query, ) -> Result<Output>
async fn handle_remote_queries( &self, ctx: QueryContextRef, queries: &[Query], ) -> ServerResult<Vec<(String, Output)>>
Source§impl Instance
impl Instance
Sourcepub(crate) async fn handle_query_metric_names(
&self,
matchers: Vec<Matcher>,
ctx: &QueryContextRef,
) -> Result<Vec<String>>
pub(crate) async fn handle_query_metric_names( &self, matchers: Vec<Matcher>, ctx: &QueryContextRef, ) -> Result<Vec<String>>
Handles metric names query request, returns the names.
Sourcepub(crate) async fn handle_query_label_values(
&self,
metric: String,
label_name: String,
matchers: Vec<Matcher>,
start: SystemTime,
end: SystemTime,
ctx: &QueryContextRef,
) -> Result<Vec<String>>
pub(crate) async fn handle_query_label_values( &self, metric: String, label_name: String, matchers: Vec<Matcher>, start: SystemTime, end: SystemTime, ctx: &QueryContextRef, ) -> Result<Vec<String>>
Handles label values query request, returns the values.
Source§impl Instance
impl Instance
pub async fn try_build_standalone_components( dir: String, kv_backend_config: KvBackendConfig, procedure_config: ProcedureConfig, ) -> Result<(KvBackendRef, ProcedureManagerRef)>
pub fn catalog_manager(&self) -> &CatalogManagerRef
pub fn query_engine(&self) -> &QueryEngineRef
pub fn plugins(&self) -> &Plugins
pub fn statement_executor(&self) -> &StatementExecutorRef
pub fn table_metadata_manager(&self) -> &TableMetadataManagerRef
pub fn inserter(&self) -> &InserterRef
Source§impl Instance
impl Instance
async fn query_statement( &self, stmt: Statement, query_ctx: QueryContextRef, ) -> Result<Output>
Trait Implementations§
Source§impl GrpcQueryHandler for Instance
impl GrpcQueryHandler for Instance
Source§impl InfluxdbLineProtocolHandler for Instance
impl InfluxdbLineProtocolHandler for Instance
Source§fn exec<'life0, 'async_trait>(
&'life0 self,
request: InfluxdbRequest,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn exec<'life0, 'async_trait>(
&'life0 self,
request: InfluxdbRequest,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
A successful request will not return a response.
Only on error will the socket return a line of data.
Source§impl JaegerQueryHandler for Instance
impl JaegerQueryHandler for Instance
Source§fn get_services<'life0, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn get_services<'life0, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Get trace services. It’s used for
/api/services API.Source§fn get_operations<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
service_name: &'life1 str,
span_kind: Option<&'life2 str>,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn get_operations<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
service_name: &'life1 str,
span_kind: Option<&'life2 str>,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
Get Jaeger operations. It’s used for
/api/operations and /api/services/{service_name}/operations API.Source§fn get_trace<'life0, 'life1, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
trace_id: &'life1 str,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn get_trace<'life0, 'life1, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
trace_id: &'life1 str,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Get trace by trace id. It’s used for
/api/traces/{trace_id} API.Source§fn find_traces<'life0, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
query_params: QueryTraceParams,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn find_traces<'life0, 'async_trait>(
&'life0 self,
ctx: QueryContextRef,
query_params: QueryTraceParams,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Find traces by query params. It’s used for
/api/traces API.Source§impl LogQueryHandler for Instance
impl LogQueryHandler for Instance
Source§fn query<'life0, 'async_trait>(
&'life0 self,
request: LogQuery,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn query<'life0, 'async_trait>(
&'life0 self,
request: LogQuery,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Execute a log query.
Source§fn catalog_manager(
&self,
_ctx: &QueryContext,
) -> ServerResult<&dyn CatalogManager>
fn catalog_manager( &self, _ctx: &QueryContext, ) -> ServerResult<&dyn CatalogManager>
Get catalog manager.
Source§impl OpenTelemetryProtocolHandler for Instance
impl OpenTelemetryProtocolHandler for Instance
Source§fn metrics<'life0, 'async_trait>(
&'life0 self,
request: ExportMetricsServiceRequest,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn metrics<'life0, 'async_trait>(
&'life0 self,
request: ExportMetricsServiceRequest,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Handling opentelemetry metrics request
Source§fn traces<'life0, 'async_trait>(
&'life0 self,
pipeline_handler: PipelineHandlerRef,
request: ExportTraceServiceRequest,
pipeline: PipelineWay,
pipeline_params: GreptimePipelineParams,
table_name: String,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn traces<'life0, 'async_trait>(
&'life0 self,
pipeline_handler: PipelineHandlerRef,
request: ExportTraceServiceRequest,
pipeline: PipelineWay,
pipeline_params: GreptimePipelineParams,
table_name: String,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Handling opentelemetry traces request
fn logs<'life0, 'async_trait>(
&'life0 self,
pipeline_handler: PipelineHandlerRef,
request: ExportLogsServiceRequest,
pipeline: PipelineWay,
pipeline_params: GreptimePipelineParams,
table_name: String,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Source§impl OpentsdbProtocolHandler for Instance
impl OpentsdbProtocolHandler for Instance
Source§fn exec<'life0, 'async_trait>(
&'life0 self,
data_points: Vec<DataPoint>,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<usize>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn exec<'life0, 'async_trait>(
&'life0 self,
data_points: Vec<DataPoint>,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<usize>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
A successful request will not return a response.
Only on error will the socket return a line of data.
Source§impl PipelineHandler for Instance
impl PipelineHandler for Instance
fn insert<'life0, 'async_trait>(
&'life0 self,
log: RowInsertRequests,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn get_pipeline<'life0, 'life1, 'async_trait>(
&'life0 self,
name: &'life1 str,
version: PipelineVersion,
query_ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Arc<Pipeline>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn insert_pipeline<'life0, 'life1, 'life2, 'life3, 'async_trait>(
&'life0 self,
name: &'life1 str,
content_type: &'life2 str,
pipeline: &'life3 str,
query_ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<PipelineInfo>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
'life3: 'async_trait,
fn delete_pipeline<'life0, 'life1, 'async_trait>(
&'life0 self,
name: &'life1 str,
version: PipelineVersion,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<Option<()>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn get_table<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
table: &'life1 str,
query_ctx: &'life2 QueryContext,
) -> Pin<Box<dyn Future<Output = Result<Option<Arc<Table>>, Error>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
fn build_pipeline(&self, pipeline: &str) -> ServerResult<Pipeline>
Source§impl PromStoreProtocolHandler for Instance
impl PromStoreProtocolHandler for Instance
Source§fn write<'life0, 'async_trait>(
&'life0 self,
request: RowInsertRequests,
ctx: QueryContextRef,
with_metric_engine: bool,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn write<'life0, 'async_trait>(
&'life0 self,
request: RowInsertRequests,
ctx: QueryContextRef,
with_metric_engine: bool,
) -> Pin<Box<dyn Future<Output = ServerResult<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Handling prometheus remote write requests
Source§fn read<'life0, 'async_trait>(
&'life0 self,
request: ReadRequest,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<PromStoreResponse>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn read<'life0, 'async_trait>(
&'life0 self,
request: ReadRequest,
ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = ServerResult<PromStoreResponse>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Handling prometheus remote read requests
Source§fn ingest_metrics<'life0, 'async_trait>(
&'life0 self,
_metrics: Metrics,
) -> Pin<Box<dyn Future<Output = ServerResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn ingest_metrics<'life0, 'async_trait>(
&'life0 self,
_metrics: Metrics,
) -> Pin<Box<dyn Future<Output = ServerResult<()>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
Handling push gateway requests
Source§impl PrometheusHandler for Instance
impl PrometheusHandler for Instance
fn do_query<'life0, 'life1, 'async_trait>(
&'life0 self,
query: &'life1 PromQuery,
query_ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Source§fn query_metric_names<'life0, 'life1, 'async_trait>(
&'life0 self,
matchers: Vec<Matcher>,
ctx: &'life1 QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Vec<String>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn query_metric_names<'life0, 'life1, 'async_trait>(
&'life0 self,
matchers: Vec<Matcher>,
ctx: &'life1 QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Vec<String>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
Query metric table names by the
__name__ matchers.fn query_label_values<'life0, 'life1, 'async_trait>(
&'life0 self,
metric: String,
label_name: String,
matchers: Vec<Matcher>,
start: SystemTime,
end: SystemTime,
ctx: &'life1 QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Vec<String>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn catalog_manager(&self) -> CatalogManagerRef
Source§impl SqlQueryHandler for Instance
impl SqlQueryHandler for Instance
type Error = Error
fn do_query<'life0, 'life1, 'async_trait>(
&'life0 self,
query: &'life1 str,
query_ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Vec<Result<Output>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn do_exec_plan<'life0, 'async_trait>(
&'life0 self,
plan: LogicalPlan,
query_ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Output>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn do_promql_query<'life0, 'life1, 'async_trait>(
&'life0 self,
query: &'life1 PromQuery,
query_ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Vec<Result<Output>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
fn do_describe<'life0, 'async_trait>(
&'life0 self,
stmt: Statement,
query_ctx: QueryContextRef,
) -> Pin<Box<dyn Future<Output = Result<Option<DescribeResult>>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
fn is_valid_schema<'life0, 'life1, 'life2, 'async_trait>(
&'life0 self,
catalog: &'life1 str,
schema: &'life2 str,
) -> Pin<Box<dyn Future<Output = Result<bool>> + Send + 'async_trait>>where
Self: 'async_trait,
'life0: 'async_trait,
'life1: 'async_trait,
'life2: 'async_trait,
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