pyspark.sql.DataFrame.metadataColumn#
- DataFrame.metadataColumn(colName)[source]#
Selects a metadata column based on its logical column name and returns it as a
Column.A metadata column can be accessed this way even if the underlying data source defines a data column with a conflicting name.
New in version 4.0.0.
- Parameters
- colNamestr
string, metadata column name
- Returns