Saving all output to "!!{outputDirectory}!!/udf_xpath_boolean.q.raw". Enter "record" with no arguments to stop it.
>>>  !run !!{qFileDirectory}!!/udf_xpath_boolean.q
>>>  DESCRIBE FUNCTION xpath_boolean ;
'tab_name'
'xpath_boolean(xml, xpath) - Evaluates a boolean xpath expression'
1 row selected 
>>>  DESCRIBE FUNCTION EXTENDED xpath_boolean ;
'tab_name'
'xpath_boolean(xml, xpath) - Evaluates a boolean xpath expression'
'Example:'
'  > SELECT xpath_boolean('<a><b>1</b></a>','a/b') FROM src LIMIT 1;'
'  true'
'  > SELECT xpath_boolean('<a><b>1</b></a>','a/b = 2') FROM src LIMIT 1;'
'  false'
6 rows selected 
>>>  
>>>  SELECT xpath_boolean ('<a><b>b</b></a>', 'a/b') FROM src LIMIT 1 ;
'_c0'
'true'
1 row selected 
>>>  SELECT xpath_boolean ('<a><b>b</b></a>', 'a/c') FROM src LIMIT 1 ;
'_c0'
'false'
1 row selected 
>>>  SELECT xpath_boolean ('<a><b>b</b></a>', 'a/b = "b"') FROM src LIMIT 1 ;
'_c0'
'true'
1 row selected 
>>>  SELECT xpath_boolean ('<a><b>b</b></a>', 'a/b = "c"') FROM src LIMIT 1 ;
'_c0'
'false'
1 row selected 
>>>  SELECT xpath_boolean ('<a><b>10</b></a>', 'a/b < 10') FROM src LIMIT 1 ;
'_c0'
'false'
1 row selected 
>>>  SELECT xpath_boolean ('<a><b>10</b></a>', 'a/b = 10') FROM src LIMIT 1 ;
'_c0'
'true'
1 row selected 
>>>  !record