Sequence of arrow::Field objects describing the columns of a record batch or table data structure
Return the list of fields (columns) in the schema.
The custom key-value metadata, if any. metadata may be null.
TBD - List of dictionaries (each dictionary is associated with a column that is dictionary encoded).
TBD - List of fields
Creates a new schema instance.
Returns a new
Schema with the Fields indicated by the column names.