[jira] [Created] (UIMA-5846) Order in SelectFS

["Richard Eckart de Castilho (JIRA)" <de...@uima.apache.org>]

Richard Eckart de Castilho created UIMA-5846:
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             Summary: Order in SelectFS
                 Key: UIMA-5846
                 URL: https://issues.apache.org/jira/browse/UIMA-5846
             Project: UIMA
          Issue Type: Question
          Components: Core Java Framework
            Reporter: Richard Eckart de Castilho


I'm not sure about the way that order in SelectFS is handled. Naively, I would expect that all operations return annotations in index order or in reverse index order if `backwards` was called. But for example `jcas.select(Sentence.class).between(t1, t2).asList()` returns in normal order if `t1 < t2` and in backwards order if `t2 < t1`. While I this seems to be a nice touch from the engineering point of view, from a naive user's perspective, it seems somewhat surprising to me. Mind that the behavior is documented - still I wonder it if is a good idea. If I wanted to have the annotations in reverse order, I'd probably try calling `jcas.select(Sentence.class).backwards().between(t1, t2).asList()` or maybe `jcas.select(Sentence.class).between(t1, t2).backwards().asList()`.



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