[Bug] Saving dataframe in overwrite mode using Spark doesn't set primary key

[mantyk11]

Search before asking

• I searched in the issues and found nothing similar.

Paimon version

3.4

Compute Engine

Spark

Minimal reproduce step

Saving dataframe with append mode is correctly setting the primary key in the schema:

Schema:

But when I try to save dataframe with overwrite mode then primary key is NOT set in the schema:

Schema:

What doesn't meet your expectations?

Primary key in is NOT set in paimon table schema

Anything else?

No response

Are you willing to submit a PR?

• I'm willing to submit a PR!

[zukowskilz]

I noticed the same issue