Steve Rowe created LUCENE-7799:
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Summary: Classic query parser should allow
autoGeneratePhraseQueries=true when splitOnWhitespace=false
Key: LUCENE-7799
URL: https://issues.apache.org/jira/browse/LUCENE-7799
Project: Lucene - Core
Issue Type: Bug
Reporter: Steve Rowe
LUCENE-7533 disabled the option combination
{{splitOnWhitespace=false}}/{{autoGeneratePhraseQueries=true}} because of how
{{autoGeneratePhraseQueries=true}} is handled: a query chunk is treated as if
it were literally quoted. When {{splitOnWhitespace=false}}, a query chunk can
be multiple whitespace-separated words, and auto-quoting multiple terms will
produce inappropriate phrase queries.
I have an idea about how to fix this: {{autoGeneratePhraseQueries=true}} is
supposed to cause phrase queries to be constructed when multiple analyzed terms
result from a single query word, e.g. when WordDelimiter(Graph)Filter splits
words up. Maybe this could be re-implemented in terms of offsets, since all
terms from the same original term share the same offsets.
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