xpath_long

Returns a long integer value, or the value zero if no match is found, or a match is found but the value is non-numeric.

Syntax

from pyspark.sql import functions as sf

sf.xpath_long(xml, path)

Parameters

Parameter	Type	Description
xml	pyspark.sql.Column or str	XML column or column name.
path	pyspark.sql.Column or str	XPath expression.

Examples

from pyspark.sql import functions as sf
df = spark.createDataFrame([('<a><b>1</b><b>2</b></a>',)], ['x'])
df.select(sf.xpath_long(df.x, sf.lit('sum(a/b)'))).show()

+-----------------------+
|xpath_long(x, sum(a/b))|
+-----------------------+
|                      3|
+-----------------------+