Mikita Karotchykau

> Can you share your version of pyarrow please? ``` # Name Version Build Channel pyarrow 8.0.0 py39hc4c82e3_1_cpu conda-forge ``` > Is there something special about the contents of the...

I've tried to put every `data_dict` in a different parquet file and it seems to work - the error has disappeared (`vaex.open_many` is used). However, I don't get why the...

> Regarding your workaround - that is valid. You can also export the dataframe you get via `open_many` to a single parquet file, or for a (much!) better performance to...

N.B. Without any aggregation (`""`), it will just skip the alignment configuration. Here is the result from `BuildMQLQuery`: ``` fetch pubsub_subscription | metric 'pubsub.googleapis.com/subscription/num_undelivered_messages' | filter (resource.project_id == 'PROJECT' &&...