xpath
Returns a string array of values within the nodes of xml that match the XPath expression.
Syntax
Python
from pyspark.sql import functions as sf
sf.xpath(xml, path)
Parameters
Parameter | Type | Description |
|---|---|---|
|
| XML column or column name. |
|
| XPath expression. |
Examples
Python
from pyspark.sql import functions as sf
df = spark.createDataFrame(
[('<a><b>b1</b><b>b2</b><b>b3</b><c>c1</c><c>c2</c></a>',)], ['x'])
df.select(sf.xpath(df.x, sf.lit('a/b/text()'))).show()
Output
+--------------------+
|xpath(x, a/b/text())|
+--------------------+
| [b1, b2, b3]|
+--------------------+