Bogus WARN in GroupingFeatureIterator3 when processing multivalued source
properties
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Key: GEOT-1872
URL: http://jira.codehaus.org/browse/GEOT-1872
Project: GeoTools
Issue Type: Bug
Components: data complex
Affects Versions: 2.4.5
Reporter: Ben Caradoc-Davies
Assignee: Ben Caradoc-Davies
When GroupingFeatureIterator3 is processing multivalued source properties,
XPath.step() is flooding the console and logs with warnings because it is used
to process names without namespace prefixes (see examples below). I could fix
this to add the default prefix to silence the warning, but I was wondering if
this is necessary. The names are multivalued source property names, that is,
names of columns in the database view. It looks like XPath is being used to
normalise the names, but in all the examples I have seen these are just simple
names like "lithology" or "BGS_ID" or "LITHOLOGY_".
Is the use of XPath.steps() in GroupingFeatureIterator3 still necessary? Are
source property names ever xpaths, or are they always only simple names? That
is, can I simplify the code be removing this bit? Under what circumstances can
a source property name be a (non-simple-name) xpath?
Examples:
2008-07-02 16:06:39,004 WARN [complex.filter] - Using root's namespace
urn:cgi:xmlns:CGI:GeoSciML:2.0 for step named 'lithology', as no prefix was
stated
2008-07-02 16:06:39,004 WARN [complex.filter] - Using root's namespace
urn:cgi:xmlns:CGI:GeoSciML:2.0 for step named 'componentrole_cdspace', as no
prefix was stated
2008-07-02 16:06:39,004 WARN [complex.filter] - Using root's namespace
urn:cgi:xmlns:CGI:GeoSciML:2.0 for step named 'proportion', as no prefix was
stated
2008-07-02 16:06:39,004 WARN [complex.filter] - Using root's namespace
urn:cgi:xmlns:CGI:GeoSciML:2.0 for step named 'componentrole', as no prefix was
stated
or in unit tests
3/07/2008 09:41:58 org.geotools.data.complex.filter.XPath deglose
WARNING: Using root's namespace http://www.opengis.net/xmml for step named
'BGS_ID', as no prefix was stated
3/07/2008 09:41:58 org.geotools.data.complex.filter.XPath deglose
WARNING: Using root's namespace http://www.opengis.net/xmml for step named
'LITHOLOGY_', as no prefix was stated
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