fix(sqlserver): honor USE context in completions

crates/dbx-web/src/main.rs

@@ -344,6 +344,7 @@ async fn main() {
         // Schema
         .route("/schema/databases", get(routes::schema::list_databases))
         .route("/schema/database-storage", post(routes::schema::list_database_storage))
+        .route("/schema/sqlserver/completion-context", get(routes::schema::get_sqlserver_completion_context))
         .route("/schema/doris/catalogs", get(routes::schema::list_doris_catalogs))
         .route("/schema/doris/catalog-databases", get(routes::schema::list_doris_catalog_databases))
         .route("/schema/sqlserver/linked-servers", get(routes::schema::list_sqlserver_linked_servers))

crates/dbx-web/src/routes/schema.rs

@@ -52,6 +52,17 @@ pub async fn list_database_storage(
     Ok(Json(result))
 }
 
+pub async fn get_sqlserver_completion_context(
+    State(state): State<Arc<WebState>>,
+    Query(q): Query<SchemaQuery>,
+) -> Result<Json<dbx_core::db::sqlserver::SqlServerCompletionContext>, AppError> {
+    let database = q.database.as_deref().unwrap_or("");
+    let result = dbx_core::schema::get_sqlserver_completion_context_core(&state.app, &q.connection_id, database)
+        .await
+        .map_err(AppError::from)?;
+    Ok(Json(result))
+}
+
 /// Resolve a non-internal catalog for dispatch to the Doris multi-catalog path.
 async fn external_doris_catalog(state: &Arc<WebState>, connection_id: &str, catalog: Option<&str>) -> Option<String> {
     dbx_core::schema::resolve_external_doris_catalog(&state.app, connection_id, catalog).await