relax to warning

node/src/remote/index.ts

@@ -94,7 +94,7 @@ export class RemoteQuery<T = number[]> extends Query<T> {
     }
 
     if ((this as any)._useIndex === false) {
-      throw new Error('LanceDB Cloud does not yet support useIndex=false')
+      console.warn('LanceDB Cloud does not yet support useIndex=false, ignoring option.')
     }
 
     const data = await this._client.search(

python/lancedb/remote/table.py

@@ -12,6 +12,7 @@
 #  limitations under the License.
 
 import uuid
+import warnings
 from functools import cached_property
 from typing import Optional, Union
 
@@ -102,9 +103,7 @@ class RemoteTable(Table):
         if query.prefilter:
             raise NotImplementedError("Cloud support for prefiltering is coming soon")
         if not query.use_index:
-            raise NotImplementedError(
-                "LanceDB Cloud does not yet support use_index=False"
-            )
+            warnings.warn("LanceDB Cloud does not yet support use_index=False")
         result = self._conn._client.query(self._name, query)
         return self._conn._loop.run_until_complete(result).to_arrow()