Bob Laferriere created SOLR-5949:
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Summary: Stopwords in Boolean Query Result in invalid query
Key: SOLR-5949
URL: https://issues.apache.org/jira/browse/SOLR-5949
Project: Solr
Issue Type: Bug
Components: query parsers
Affects Versions: 4.3
Environment: Linux
Reporter: Bob Laferriere
This seems a repeat of SOLR-261 which was fixed in 1.3 but I am seeing the same
behavior described. When I have a stopword in a boolean query the resulting
query is invalid.
e.g. Document --> "No Smoking Sign"
Stopword: "No"
Query:"No AND Smoking AND Sign"
The resultant query is a boolean query with a blank field so an empty boolean
query. This is expanding as "? Smoking Sign" which then leads to no matches as
"?" AND "Smoking" AND "sign" has no match.
The expected behavior is to remove the empty boolean clause from the query. In
the Analysis tool the parsing showing that "No AND Smoking AND Sign" analyzes
to "Smoke Sign". I would expect the same behavior by the QueryParser, but this
is not true. The real parsed query is trying to do the following: <empty
boolean query> Smoke Sign.
The only workaround is to never allow stopwords in the query or turn off
stopwords entirely.
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