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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-7603) Support Graph Token Streams in QueryBuilder
Date Fri, 30 Dec 2016 10:19:58 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-7603?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15787397#comment-15787397
] 

ASF GitHub Bot commented on LUCENE-7603:
----------------------------------------

Github user mikemccand commented on a diff in the pull request:

    https://github.com/apache/lucene-solr/pull/129#discussion_r94216511
  
    --- Diff: lucene/core/src/java/org/apache/lucene/util/graph/GraphTokenStreamFiniteStrings.java
---
    @@ -174,25 +191,13 @@ private void setAccept(int state, boolean accept) {
       /**
        * Adds a transition to the automaton.
        */
    -  private void addTransition(int source, int dest, String term) {
    -    addTransition(source, dest, new BytesRef(term));
    -  }
    -
    -  /**
    -   * Adds a transition to the automaton.
    -   */
    -  private void addTransition(int source, int dest, BytesRef term) {
    +  private int addTransition(int source, int dest, int incr, BytesRef term) {
         if (term == null) {
    --- End diff --
    
    This can become an assert?


> Support Graph Token Streams in QueryBuilder
> -------------------------------------------
>
>                 Key: LUCENE-7603
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7603
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/queryparser, core/search
>            Reporter: Matt Weber
>
> With [LUCENE-6664|https://issues.apache.org/jira/browse/LUCENE-6664] we can use multi-term
synonyms query time.  A "graph token stream" will be created which which is nothing more than
using the position length attribute on stacked tokens to indicate how many positions a token
should span.  Currently the position length attribute on tokens is ignored during query parsing.
 This issue will add support for handling these graph token streams inside the QueryBuilder
utility class used by query parsers.



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