Invalid FID filte results in invalid query, should result in an emtpy feature
collection instead
------------------------------------------------------------------------------------------------
Key: GEOS-2039
URL: http://jira.codehaus.org/browse/GEOS-2039
Project: GeoServer
Issue Type: Bug
Components: WFS
Affects Versions: 1.7.0-beta1, 1.6.4
Reporter: Andrea Aime
Assignee: Andrea Aime
Fix For: 1.6.5, 1.7.0-beta2
Trying to use a FIDFilter whose structure does not conform to one expected by
the FIDMapper in use results in invalid queries, such as:
{code:xml}
<?xml version='1.0' encoding='utf-8' ?>
<wfs:GetFeature xmlns:gml="http://www.opengis.net/gml";
outputFormat="GML2" service="WFS"
xmlns:ogc="http://www.opengis.net/ogc"; maxFeatures="1" xmlns=""
xmlns:wfs="http://www.opengis.net/wfs"; version="1.0.0"> <wfs:Query
typeName="gisnet3:geonote_point" xmlns:gisnet3="http://gisnet3";>
<ogc:Filter xmlns:ogc="http://www.opengis.net/ogc";>
<ogc:FeatureId
fid="geonote_point.nfm--49e4e129_11b0c9f16f7_-7f5b"></ogc:FeatureId>
</ogc:Filter>
</wfs:Query>
</wfs:GetFeature>
{code:xml}
results in:
{code}
Could not aquire feature:org.geotools.data.DataSourceException: Error
Performing SQL query: SELECT "id", "title", "decription", "type",
"links", "image_links", "video_links",
encode(asBinary(force_2d("the_point"),'XDR'),'base64') FROM
"public"."geonote_point" WHERE () LIMIT 1
Error Performing SQL query: SELECT "id", "title", "decription",
"type", "links", "image_links", "video_links",
encode(asBinary(force_2d("the_point"),'XDR'),'base64') FROM
"public"."geonote_point" WHERE () LIMIT 1
ERREUR: erreur de syntaxe sur ou près de « ) »
{code}
This is a limitation in the sql encoders design. The FIDMapper can throw an
exception when going back from the FID to the attribute values, the sql encoder
should just remove the featureid from the lot and if the fid filter becomes
empty, replace it with a Filter.EXCLUDE instead.
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