feat: add cache for series query

Author: caibirdme

Cargo.lock

@@ -52,6 +52,7 @@ opentelemetry_sdk = { version = "0.24.1", features = ["metrics"] }
 ordered-float = { version = "4.4.0" }
 prometheus = "0.13.4"
 prost = { version = "0.13.3" }
+regex = "1.11.0"
 reqwest = { version = "0.12.8", features = ["json", "native-tls-vendored", "gzip"], default-features = false }
 reqwest-middleware = "0.3.3"
 serde = { version = "1.0.210", features = ["derive"] }

Cargo.toml

@@ -6,7 +6,7 @@ server:
     file: stdout
     # for more details about filter_directives
     # see: https://docs.rs/tracing-subscriber/latest/tracing_subscriber/filter/struct.EnvFilter.html#directives
-    filter_directives: info,tower_http=off,databend_client=off
+    filter_directives: debug,tower_http=off,databend_client=off
 log_source:
   clickhouse:
     log:

config.yaml

@@ -12,14 +12,14 @@ use nom::{
 };
 use std::time::Duration;
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone)]
 pub struct LabelPair {
 	pub label: String,
 	pub op: Operator,
 	pub value: String,
 }
 
-#[derive(Debug, PartialEq, Eq)]
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub enum Operator {
 	Equal,
 	NotEqual,