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A class to represent a Variant value in Python.
Syntax
from pyspark.sql.types import VariantVal
VariantVal(value, metadata)
Parameters
| Parameter | Type | Description |
|---|---|---|
value |
bytes | The bytes representing the value component of the Variant. |
metadata |
bytes | The bytes representing the metadata component of the Variant. |
Methods
| Method | Description |
|---|---|
toPython() |
Convert the VariantVal to a Python data structure. |
toJson() |
Convert the VariantVal to a JSON string. The zone ID represents the time zone that the timestamp should be printed in. It is defaulted to UTC. The list of valid zone IDs can be found by importing the zoneinfo module and running zoneinfo.available_timezones(). |
parseJson() |
Convert the VariantVal to a nested Python object of Python data types. |
Examples
from pyspark.sql import functions as sf
df = spark.createDataFrame([ {'json': '''{ "a" : 1 }'''} ])
v = df.select(sf.parse_json(df.json).alias("var")).head().var
v.toPython()
# {'a': 1}
v.toJson()
# '{"a":1}'