ArrowAstropySchema

class lsst.daf.butler.formatters.parquet.ArrowAstropySchema(astropy_table: atable.Table)

Bases: object

Wrapper class for a schema for an astropy table.

Parameters:

astropy_tableastropy.table.Table

Input astropy table.

Attributes Summary

schema

Methods Summary

from_arrow(schema)	Convert an arrow schema into a ArrowAstropySchema.
to_arrow_numpy_schema()	Convert to an ArrowNumpySchema.
to_arrow_schema()	Convert to an arrow schema.
to_dataframe_schema()	Convert to a DataFrameSchema.

Attributes Documentation

schema

Methods Documentation

classmethod from_arrow(schema: Schema) → ArrowAstropySchema

Convert an arrow schema into a ArrowAstropySchema.

Parameters:

schemapyarrow.Schema

Input pyarrow schema.

Returns:

astropy_schemaArrowAstropySchema

Converted arrow astropy schema.

to_arrow_numpy_schema() → ArrowNumpySchema

Convert to an ArrowNumpySchema.

Returns:

arrow_numpy_schemaArrowNumpySchema

Converted arrow numpy schema.

to_arrow_schema() → Schema

Convert to an arrow schema.

Returns:

arrow_schemapyarrow.Schema

Converted pyarrow schema.

to_dataframe_schema() → DataFrameSchema

Convert to a DataFrameSchema.

Returns:

dataframe_schemaDataFrameSchema

Converted dataframe schema.