[Feature Request] Load parquet files

[fengttt]

Is there an existing issue for the same feature request?

• [X] I have checked the existing issues.

Is your feature request related to a problem?

No response

Describe the feature you'd like

load parquet files. It is a popular format like csv or json. Parquet file can be nested. We want to load at least files with a flat schema.

For data with nested column data we should consider load as json. Not sure.

Describe implementation you've considered

No response

Documentation, Adoption, Use Case, Migration Strategy

No response

Additional information

No response