isEmpty
Checks if the DataFrame is empty and returns a boolean value.
Syntax
isEmpty()
Returns
bool: Returns True if the DataFrame is empty, False otherwise.
Notes
An empty DataFrame has no rows. It may have columns, but no data.
Examples
Python
df_empty = spark.createDataFrame([], 'a STRING')
df_empty.isEmpty()
# True
df_non_empty = spark.createDataFrame(["a"], 'STRING')
df_non_empty.isEmpty()
# False
df_nulls = spark.createDataFrame([(None, None)], 'a STRING, b INT')
df_nulls.isEmpty()
# False
df_no_rows = spark.createDataFrame([], 'id INT, value STRING')
df_no_rows.isEmpty()
# True