nxcals.api.extraction.data.builders.DataFrame.isEmpty

DataFrame.isEmpty() → bool

Returns True if this DataFrame is empty.

New in version 3.3.0.

Examples

>>> df_empty = spark.createDataFrame([], 'a STRING')
>>> df_non_empty = spark.createDataFrame([("a")], 'STRING')
>>> df_empty.isEmpty()
True
>>> df_non_empty.isEmpty()
False