David Smiley created LUCENE-6801:
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Summary: PhraseQuery incorrectly advertises it supports terms at
the same position
Key: LUCENE-6801
URL: https://issues.apache.org/jira/browse/LUCENE-6801
Project: Lucene - Core
Issue Type: Bug
Components: core/search
Reporter: David Smiley
Priority: Minor
The following in PhraseQuery has been here since Sept 15th 2004 (by "goller"):
{code:java}
/**
* Adds a term to the end of the query phrase.
* The relative position of the term within the phrase is specified
explicitly.
* This allows e.g. phrases with more than one term at the same position
* or phrases with gaps (e.g. in connection with stopwords).
*
*/
public Builder add(Term term, int position) {
{code}
Of course this isn't true; it's why we have MultiPhraseQuery. Yet we even
allow you to have consecutive terms with the same positions. We shouldn't
allow that; we should throw an exception. For my own sanity, I modified a
simple MultiPhraseQuery test to use PhraseQuery instead and of course it didn't
work.
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