Database.to_parquet(

path=None,

flows=True,

coefficients=False,

scenario='baseline',

include_meta=False,

flat=False,

separate_files=False,

)

Export one scenario as parquet files.

Parameters:

• path – Output path or directory.

• flows – When True, include flow matrices.

• coefficients – When True, include coefficient matrices.

• scenario – Scenario to export.

• include_meta – When True, export metadata together with matrices.

• flat – False writes one parquet file per matrix. True writes one long-format data.parquet plus units.parquet.

• separate_files – when flat=True, also write one trimmed long-format parquet file per matrix in the same export directory.

Returns:

Export files are written to disk.

Return type:

None