feat(datasets): add update subcommand to rename label or table_name

README.md

@@ -66,7 +66,7 @@ API key priority (lowest to highest): config file → `HOTDATA_API_KEY` env var
 | `workspaces` | `list`, `set` | Manage workspaces |
 | `connections` | `list`, `create`, `refresh`, `new` | Manage connections |
 | `tables` | `list` | List tables and columns |
-| `datasets` | `list`, `create` | Manage uploaded datasets |
+| `datasets` | `list`, `create`, `update` | Manage uploaded datasets |
 | `context` | `list`, `show`, `pull`, `push` | Workspace Markdown context (e.g. data model `DATAMODEL`) via the context API |
 | `query` | | Execute a SQL query |
 | `queries` | `list` | Inspect query run history |
@@ -142,6 +142,7 @@ hotdata datasets <dataset_id> [--workspace-id <id>] [--format table|json|yaml]
 hotdata datasets create --file data.csv [--label "My Dataset"] [--table-name my_dataset]
 hotdata datasets create --sql "SELECT ..." --label "My Dataset"
 hotdata datasets create --url "https://example.com/data.parquet" --label "My Dataset"
+hotdata datasets update <dataset_id> [--label "New Label"] [--table-name new_table]
 ```
 
 - Datasets are queryable as `datasets.main.<table_name>`.

src/api.rs

@@ -39,7 +39,10 @@ impl ApiClient {
             Ok(t) => t,
             Err(e) => {
                 eprintln!("{}", format!("error: {e}").red());
-                eprintln!("Run {} to log in, or pass --api-key.", "hotdata auth".cyan());
+                eprintln!(
+                    "Run {} to log in, or pass --api-key.",
+                    "hotdata auth".cyan()
+                );
                 std::process::exit(1);
             }
         };
@@ -71,22 +74,32 @@ impl ApiClient {
         }
     }
 
-
     /// Prints an error for a non-2xx response and exits. On 4xx, first re-probes
     /// the API key: if it's actually invalid, a clear re-auth hint is shown
     /// instead of whatever cryptic body the primary endpoint returned.
     fn fail_response(&self, status: reqwest::StatusCode, body: String) -> ! {
         let auth_status = if status.is_client_error() {
-            config::load("default").ok().map(|pc| auth::check_status(&pc))
+            config::load("default")
+                .ok()
+                .map(|pc| auth::check_status(&pc))
         } else {
             None
         };
-        eprintln!("{}", format_fail_message(status, &body, auth_status.as_ref()).red());
+        eprintln!(
+            "{}",
+            format_fail_message(status, &body, auth_status.as_ref()).red()
+        );
         std::process::exit(1);
     }
 
-    fn build_request(&self, method: reqwest::Method, url: &str) -> reqwest::blocking::RequestBuilder {
-        let mut req = self.client.request(method, url)
+    fn build_request(
+        &self,
+        method: reqwest::Method,
+        url: &str,
+    ) -> reqwest::blocking::RequestBuilder {
+        let mut req = self
+            .client
+            .request(method, url)
             .header("Authorization", format!("Bearer {}", self.api_key));
         if let Some(ref ws) = self.workspace_id {
             req = req.header("X-Workspace-Id", ws);
@@ -128,12 +141,19 @@ impl ApiClient {
 
     /// GET request with query parameters, returns parsed response.
     /// Parameters with `None` values are omitted.
-    pub fn get_with_params<T: DeserializeOwned>(&self, path: &str, params: &[(&str, Option<String>)]) -> T {
-        let filtered: Vec<(&str, &String)> = params.iter()
+    pub fn get_with_params<T: DeserializeOwned>(
+        &self,
+        path: &str,
+        params: &[(&str, Option<String>)],
+    ) -> T {
+        let filtered: Vec<(&str, &String)> = params
+            .iter()
             .filter_map(|(k, v)| v.as_ref().map(|val| (*k, val)))
             .collect();
         let url = format!("{}{path}", self.api_url);
-        let req = self.build_request(reqwest::Method::GET, &url).query(&filtered);
+        let req = self
+            .build_request(reqwest::Method::GET, &url)
+            .query(&filtered);
         let (status, body) = self.send(req, None);
         if !status.is_success() {
             self.fail_response(status, body);
@@ -205,6 +225,17 @@ impl ApiClient {
         Self::parse_json(&resp_body)
     }
 
+    /// PUT request with JSON body, returns parsed response.
+    pub fn put<T: DeserializeOwned>(&self, path: &str, body: &serde_json::Value) -> T {
+        let url = format!("{}{path}", self.api_url);
+        let req = self.build_request(reqwest::Method::PUT, &url).json(body);
+        let (status, resp_body) = self.send(req, Some(body));
+        if !status.is_success() {
+            self.fail_response(status, resp_body);
+        }
+        Self::parse_json(&resp_body)
+    }
+
     /// POST with a custom request body (for file uploads). Returns raw status and body.
     pub fn post_body<R: std::io::Read + Send + 'static>(
         &self,
@@ -214,7 +245,8 @@ impl ApiClient {
         content_length: Option<u64>,
     ) -> (reqwest::StatusCode, String) {
         let url = format!("{}{path}", self.api_url);
-        let mut req = self.build_request(reqwest::Method::POST, &url)
+        let mut req = self
+            .build_request(reqwest::Method::POST, &url)
             .header("Content-Type", content_type);
         if let Some(len) = content_length {
             req = req.header("Content-Length", len);
@@ -225,7 +257,6 @@ impl ApiClient {
         // Authorization) still log.
         self.send(req, None)
     }
-
 }
 
 /// Decide what error text to print for a failed response. Pulled out as a pure
@@ -365,11 +396,7 @@ mod tests {
     fn format_fail_message_4xx_no_probe_result_falls_through() {
         // Caller couldn't load config (None) — still surface the upstream error.
         let body = "plain body";
-        let msg = format_fail_message(
-            reqwest::StatusCode::NOT_FOUND,
-            body,
-            None,
-        );
+        let msg = format_fail_message(reqwest::StatusCode::NOT_FOUND, body, None);
         assert!(!msg.contains("API key is invalid"));
         assert_eq!(msg, "plain body");
     }

src/command.rs

@@ -384,6 +384,24 @@ pub enum DatasetsCommands {
         #[arg(long, conflicts_with_all = ["file", "upload_id", "sql", "query_id"])]
         url: Option<String>,
     },
+
+    /// Update a dataset's label and/or table name
+    Update {
+        /// Dataset ID
+        id: String,
+
+        /// New display label
+        #[arg(long)]
+        label: Option<String>,
+
+        /// New SQL table name (must be a valid identifier)
+        #[arg(long)]
+        table_name: Option<String>,
+
+        /// Output format
+        #[arg(long = "output", short = 'o', default_value = "table", value_parser = ["table", "json", "yaml"])]
+        output: String,
+    },
 }
 
 #[derive(Subcommand)]

src/datasets.rs

@@ -54,6 +54,20 @@ struct DatasetDetail {
     columns: Vec<Column>,
 }
 
+#[derive(Deserialize, Serialize)]
+struct UpdateResponse {
+    id: String,
+    label: String,
+    #[serde(default = "default_schema")]
+    schema_name: String,
+    table_name: String,
+    #[serde(default)]
+    latest_version: Option<i32>,
+    #[serde(default)]
+    pinned_version: Option<i32>,
+    updated_at: String,
+}
+
 struct FileType {
     content_type: &'static str,
     format: &'static str,
@@ -480,3 +494,96 @@ pub fn get(dataset_id: &str, workspace_id: &str, format: &str) {
         _ => unreachable!(),
     }
 }
+
+pub fn update(
+    dataset_id: &str,
+    workspace_id: &str,
+    label: Option<&str>,
+    table_name: Option<&str>,
+    format: &str,
+) {
+    if label.is_none() && table_name.is_none() {
+        eprintln!("error: provide at least one of --label or --table-name.");
+        std::process::exit(1);
+    }
+
+    let api = ApiClient::new(Some(workspace_id));
+
+    let mut body = json!({});
+    if let Some(l) = label {
+        body["label"] = json!(l);
+    }
+    if let Some(tn) = table_name {
+        body["table_name"] = json!(tn);
+    }
+
+    let d: UpdateResponse = api.put(&format!("/datasets/{dataset_id}"), &body);
+
+    use crossterm::style::Stylize;
+    eprintln!("{}", "Dataset updated".green());
+    match format {
+        "json" => println!("{}", serde_json::to_string_pretty(&d).unwrap()),
+        "yaml" => print!("{}", serde_yaml::to_string(&d).unwrap()),
+        "table" => {
+            println!("id:          {}", d.id);
+            println!("label:       {}", d.label);
+            println!("full_name:   datasets.{}.{}", d.schema_name, d.table_name);
+            println!("updated_at:  {}", crate::util::format_date(&d.updated_at));
+        }
+        _ => unreachable!(),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// Mirrors runtimedb's `UpdateDatasetResponse` (see runtimedb/src/http/models.rs).
+    /// The CLI must deserialize this exact shape — schema_name, source_type,
+    /// created_at, and columns are NOT in the response. If runtimedb's response
+    /// gains or loses fields, update this fixture in lockstep.
+    #[test]
+    fn update_response_deserializes_runtimedb_payload() {
+        let body = serde_json::json!({
+            "id": "ds_abc123",
+            "label": "url_test",
+            "table_name": "url_test",
+            "latest_version": 3,
+            "updated_at": "2026-04-28T18:30:00Z",
+        });
+        let resp: UpdateResponse = serde_json::from_value(body).unwrap();
+        assert_eq!(resp.id, "ds_abc123");
+        assert_eq!(resp.label, "url_test");
+        assert_eq!(resp.table_name, "url_test");
+        assert_eq!(resp.schema_name, "main"); // defaulted
+        assert_eq!(resp.latest_version, Some(3));
+        assert!(resp.pinned_version.is_none());
+    }
+
+    #[test]
+    fn update_response_handles_pinned_version() {
+        let body = serde_json::json!({
+            "id": "ds_abc123",
+            "label": "x",
+            "table_name": "x",
+            "latest_version": 5,
+            "pinned_version": 2,
+            "updated_at": "2026-04-28T18:30:00Z",
+        });
+        let resp: UpdateResponse = serde_json::from_value(body).unwrap();
+        assert_eq!(resp.pinned_version, Some(2));
+    }
+
+    #[test]
+    fn update_response_tolerates_missing_latest_version() {
+        // Defensive: treat latest_version as optional in case the server omits it.
+        let body = serde_json::json!({
+            "id": "ds_abc123",
+            "label": "x",
+            "table_name": "x",
+            "updated_at": "2026-04-28T18:30:00Z",
+        });
+        let resp: UpdateResponse = serde_json::from_value(body).unwrap();
+        assert!(resp.latest_version.is_none());
+    }
+}

src/main.rs

@@ -161,6 +161,18 @@ fn main() {
                                 )
                             }
                         }
+                        Some(DatasetsCommands::Update {
+                            id,
+                            label,
+                            table_name,
+                            output,
+                        }) => datasets::update(
+                            &id,
+                            &workspace_id,
+                            label.as_deref(),
+                            table_name.as_deref(),
+                            &output,
+                        ),
                         None => {
                             use clap::CommandFactory;
                             let mut cmd = Cli::command();