Re: [geomesa-users] Bug found querying based on feature ID

[Chris Eichelberger <cne1x@xxxxxxxx>]

Beau,

Once again, an excellent question!

We have a few ideas about what is going on, and are running those down
now.  Expect a response as soon as we have more information.

Thanks!

Sincerely,
  -- Chris


On Thu, 2014-08-07 at 17:36 +0000, Beau Lalonde wrote:
> Hi,
> 
>  
> 
> I am using a version of GeoMesa from the beginning of last week and I
> am mostly pleased with its performance.  I have, however, found a
> problem when I try to query based upon feature ID.  
> 
>  
> 
> I am able to successfully generate Filter objects based upon feature
> IDs and use those filter objects to modify and/or remove features
> within GeoMesa.  I cannot, however, use such feature ID filters to
> query GeoMesa without getting a CQLException.
> 
>  
> 
> Here is some abbreviated example Java code that illustrates the bug:
> 
>     String id1 = "ID1";
> 
>     FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2();
> 
>     Filter filter = ff.id(Collections.singleton(ff.featureId(id1)));
> 
>     FeatureSource<SimpleFeatureType, SimpleFeature> featureSource =
> dataStore.getFeatureSource(featureName);
> 
>     Query query = new Query(featureName, filter);
> 
>     FeatureCollection<SimpleFeatureType, SimpleFeature>
> featureCollection = featureSource.getFeatures(query);
> 
>     FeatureIterator<SimpleFeature> featureIterator =
> featureCollection.features(); // throws CQLException
> 
>  
> 
> Here’s the exception that’s thrown:
> 
> org.geotools.filter.text.cql2.CQLException: Encountered "IN ( ID1" at
> line 1, column 2.
> 
> Was expecting one of:
> 
>     "not" ...
> 
>     "include" ...
> 
>     "exclude" ...
> 
>     "(" ...
> 
>     "[" ...
> 
>     "id" ...
> 
>     "in" ...
> 
>     <IDENTIFIER> ...
> 
>     <DATE> ...
> 
>     <DATE_TIME> ...
> 
>     "-" ...
> 
>     <INTEGER_LITERAL> ...
> 
>     <FLOATING_LITERAL> ...
> 
>     <STRING_LITERAL> ...
> 
>     "true" ...
> 
>     "false" ...
> 
>     "point" ...
> 
>     "linestring" ...
> 
>     "polygon" ...
> 
>     "multipoint" ...
> 
>     "multilinestring" ...
> 
>     "multipolygon" ...
> 
>     "geometrycollection" ...
> 
>     "envelope" ...
> 
>     "in" "(" <STRING_LITERAL> ...
> 
>     "in" "(" <INTEGER_LITERAL> ...
> 
>      Parsing : (IN (ID1)).
> 
>                 at
> org.geotools.filter.text.ecql.ECQLCompiler.compileFilter(ECQLCompiler.java:102)
> 
>                 at
> org.geotools.filter.text.commons.CompilerUtil.parseFilter(CompilerUtil.java:196)
> 
>                 at
> org.geotools.filter.text.ecql.ECQL.toFilter(ECQL.java:120)
> 
>                 at
> org.geotools.filter.text.ecql.ECQL.toFilter(ECQL.java:99)
> 
>                 at geomesa.core.iterators.IteratorTrigger
> $.getFilterAttributes(IteratorTrigger.scala:114)
> 
>                 at geomesa.core.iterators.IteratorTrigger
> $.passThroughFilter(IteratorTrigger.scala:109)
> 
>                 at geomesa.core.iterators.IteratorTrigger$$anonfun
> $8.apply(IteratorTrigger.scala:70)
> 
>                 at geomesa.core.iterators.IteratorTrigger$$anonfun
> $8.apply(IteratorTrigger.scala:70)
> 
>                 at scala.Option.map(Option.scala:145)
> 
>                 at geomesa.core.iterators.IteratorTrigger
> $.useIndexOnlyIterator(IteratorTrigger.scala:70)
> 
>                 at geomesa.core.iterators.IteratorTrigger
> $.chooseIterator(IteratorTrigger.scala:52)
> 
>                 at
> geomesa.core.index.IndexQueryPlanner.stIdxQuery(IndexQueryPlanner.scala:373)
> 
>                 at
> geomesa.core.index.IndexQueryPlanner.runAttrIdxQuery(IndexQueryPlanner.scala:164)
> 
>                 at geomesa.core.index.IndexQueryPlanner.geomesa$core
> $index$IndexQueryPlanner$$runQuery(IndexQueryPlanner.scala:135)
> 
>                 at geomesa.core.index.IndexQueryPlanner$$anonfun
> $getIterator$1.apply(IndexQueryPlanner.scala:94)
> 
>                 at geomesa.core.index.IndexQueryPlanner$$anonfun
> $getIterator$1.apply(IndexQueryPlanner.scala:94)
> 
>                 at scala.collection.Iterator$$anon
> $13.hasNext(Iterator.scala:371)
> 
>                 at geomesa.core.util.CloseableIterator$$anon
> $3.hasNext(CloseableIterator.scala:20)
> 
>                 at
> geomesa.core.iterators.DeDuplicatingIterator.findTop(DeDuplicatingIterator.scala:51)
> 
>                 at
> geomesa.core.iterators.DeDuplicatingIterator.<init>(DeDuplicatingIterator.scala:58)
> 
>                 at
> geomesa.core.index.IndexSchema.adaptIterator(IndexSchema.scala:117)
> 
>                 at
> geomesa.core.index.IndexSchema.query(IndexSchema.scala:102)
> 
>                 at
> geomesa.core.data.AccumuloFeatureReader.<init>(AccumuloFeatureReader.scala:32)
> 
>                 at
> geomesa.core.data.AccumuloDataStore.getFeatureReader(AccumuloDataStore.scala:751)
> 
>                 at
> geomesa.core.data.AccumuloDataStore.getFeatureReader(AccumuloDataStore.scala:60)
> 
>                 at
> org.geotools.data.AbstractDataStore.getFeatureReader(AbstractDataStore.java:369)
> 
>                 at
> org.geotools.data.DefaultFeatureResults.reader(DefaultFeatureResults.java:215)
> 
>                 at
> org.geotools.data.store.DataFeatureCollection.openIterator(DataFeatureCollection.java:231)
> 
>                 at
> org.geotools.data.store.DataFeatureCollection.iterator(DataFeatureCollection.java:199)
> 
>                 at
> org.geotools.data.store.DataFeatureCollection.features(DataFeatureCollection.java:188)
> 
>                 at
> org.geotools.data.store.DataFeatureCollection.features(DataFeatureCollection.java:79)
> 
>  
> 
> Is there a safe way to query based on feature ID?  Has this bug
> already been fixed?
> 
>  
> 
> Thanks,
> 
> Beau
> 
>  
> 
> 
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