index creation failure msg, usage with collection not fully indexed

src/main/java/io/stargate/sgv2/jsonapi/exception/ErrorCode.java

@@ -136,7 +136,10 @@ public enum ErrorCode {
   INVALID_QUERY("Invalid query"),
   DRIVER_TIMEOUT("Driver timeout"),
   DRIVER_CLOSED_CONNECTION("Driver request connection is closed"),
-  NO_NODE_AVAILABLE("No node was available to execute the query");
+  NO_NODE_AVAILABLE("No node was available to execute the query"),
+  NO_INDEX_ERROR("Faulty collection (missing indexes). Recommend re-creating the collection"),
+  COLLECTION_CREATION_ERROR(
+      "Collection creation failure (unable to create table). Recommend re-creating the collection");
 
   private final String message;
 

src/main/java/io/stargate/sgv2/jsonapi/exception/mappers/ThrowableToErrorMapper.java

@@ -57,6 +57,13 @@ public final class ThrowableToErrorMapper {
           if (message.contains("vector<float,")) {
             message = "Mismatched vector dimension";
           }
+          if (message.contains(
+                  "If you want to execute this query despite the performance unpredictability, use ALLOW FILTERING")
+              || message.contains("ANN ordering by vector requires the column to be indexed")) {
+            return ErrorCode.NO_INDEX_ERROR
+                .toApiException()
+                .getCommandResultError(ErrorCode.NO_INDEX_ERROR.getMessage(), Response.Status.OK);
+          }
           return ErrorCode.INVALID_QUERY
               .toApiException()
               .getCommandResultError(message, Response.Status.OK);

src/main/java/io/stargate/sgv2/jsonapi/service/operation/model/impl/CreateCollectionOperation.java

@@ -171,7 +171,17 @@ private Uni<Supplier<CommandResult>> executeCollectionCreation(QueryExecutor que
                     return Uni.createFrom().item(false);
                   }
                 });
-    return indexResult.onItem().transform(SchemaChangeResult::new);
+    return indexResult
+        .onItem()
+        .transform(
+            res -> {
+              if (!res) {
+                // table creation failure or index creation failure
+                return ErrorCode.COLLECTION_CREATION_ERROR.toApiException();
+              } else {
+                return new SchemaChangeResult(true);
+              }
+            });
   }
 
   /**