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schema_of_variant

Returns schema in the SQL format of a variant.

Syntax​

Python
from pyspark.sql import functions as sf

sf.schema_of_variant(v)

Parameters​

Parameter

Type

Description

v

pyspark.sql.Column or str

A variant column or column name.

Returns​

pyspark.sql.Column: a string column representing the variant schema

Examples​

Python
from pyspark.sql import functions as sf
df = spark.createDataFrame([ {'json': '''{ "a" : 1 }'''} ])
df.select(sf.schema_of_variant(sf.parse_json(df.json)).alias("r")).collect()
Output
[Row(r='OBJECT<a: BIGINT>')]