dcos: add label_join and label_replace

GreptimeTeam · Jan 26, 2025 · 97d4c5f · 97d4c5f
1 parent 9a34037
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diff --git a/docs/user-guide/query-data/promql.md b/docs/user-guide/query-data/promql.md
@@ -250,4 +250,19 @@ None
 
 - Unsupported:
 
-None
+None
+
+### Other Functions
+
+- Supported:
+    | Function           | Example                        |
+    | :----------------- | :----------------------------- |
+    | label_join             | `label_join(up{job="api-server",src1="a",src2="b",src3="c"}, "foo", ",", "src1", "src2", "src3")`           |
+    | label_replace | `label_replace(up{job="api-server",service="a:c"}, "foo", "$1", "service", "(.*):.*")`  |
+
+- Unsupported:
+    | Function           | Example                        |
+    | :----------------- | :----------------------------- |
+    | sort_by_label      | TBD           |
+    | sort_by_label_desc | TBD           |
+
diff --git a/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/query-data/promql.md b/i18n/zh/docusaurus-plugin-content-docs/current/user-guide/query-data/promql.md
@@ -249,4 +249,20 @@ PromQL 的时间戳精度受制于查询语法的限制，最高只支持毫秒
 
 - 不支持:
 
-无
+无
+
+### 其他函数
+
+- 支持:
+    | Function           | Example                        |
+    | :----------------- | :----------------------------- |
+    | label_join             | `label_join(up{job="api-server",src1="a",src2="b",src3="c"}, "foo", ",", "src1", "src2", "src3")`           |
+    | label_replace | `label_replace(up{job="api-server",service="a:c"}, "foo", "$1", "service", "(.*):.*")`  |
+
+- 不支持:
+    | Function           | Example                        |
+    | :----------------- | :----------------------------- |
+    | sort_by_label      | TBD           |
+    | sort_by_label_desc | TBD           |
+
+