snowflake.snowpark.functions.is_double

snowflake.snowpark.functions.is_double(col: Union[Column, str]) Column[source] (https://github.com/snowflakedb/snowpark-python/blob/v1.16.0/src/snowflake/snowpark/functions.py#L4590-L4602)

Returns true if the specified VARIANT column contains a floating-point value, fixed-point decimal, or integer.

Examples:

>>> from snowflake.snowpark.types import StructField, VariantType
>>> df = session.create_dataframe([[1.2, "X"]], schema=["a", "b"])
>>> df.select(is_double(to_variant(df["a"])).alias("double"), is_double(to_variant(df["b"])).alias("varchar")).collect()
[Row(DOUBLE=True, VARCHAR=False)]
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语言: 中文