hipscatalog_gen.utils._get_meta_df

_get_meta_df(ddf_like)

Return an empty DataFrame with same columns/dtypes as a collection.

Supports plain Dask DataFrames and LSDB catalogs.

Parameters:

ddf_like (Any) – Dask-like collection or LSDB catalog.

Returns:

Empty pandas.DataFrame with the same schema.

Return type:

DataFrame