xpath_long function

Applies to: check marked yes Databricks SQL check marked yes Databricks Runtime

Returns an BIGINT value from an XML document.

Syntax 

xpath_long(xml, xpath)

Arguments

  • xml: A STRING expression of XML.

  • xpath: A STRING expression that is a well formed XPath.

Returns

A BIGINT.

The result is zero if no match is found, or a match is found but the value is non-numeric.

The function raises an error if xml or xpath are malformed.

Examples 

> SELECT xpath_long('<a><b>1</b><b>2</b></a>', 'sum(a/b)');
 3