xpath_boolean
function
Applies to: Databricks SQL Databricks Runtime
Returns true
if the xpath
expression evaluates to true
, or if a matching node in xml
is found.
Syntax
xpath_boolean(xml, xpath)
Arguments
xml
: A STRING expression of XML.xpath
: A STRING expression that is a well formed XPath.
Returns
An BOOLEAN.
The function raises an error if xml
or xpath
are malformed.
Examples
> SELECT xpath_boolean('<a><b>1</b></a>','a/b');
true