snowflake.snowpark.functions.is_boolean¶

snowflake.snowpark.functions.is_boolean(col: Union[Column, str]) → Column[source]¶

Returns true if the specified VARIANT column contains a boolean value.

Examples:

>>> from snowflake.snowpark.types import StructField, VariantType
>>> df = session.create_dataframe([[True, 'X']], schema=["a", "b"])
>>> df.select(is_boolean(to_variant(df["a"])).alias("boolean"), is_boolean(to_variant(df["b"])).alias("varchar")).collect()
[Row(BOOLEAN=True, VARCHAR=False)]
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