Last month there was a brief thread about changing the implicit conjuction
for search terms from an OR to AND with a response that the API provides a
setOperator method for doing so.
A site I am developing also required that "AND" be the implicit conjuction
so I've tried changing that using the QueryParser.setOperator(1) method. I
put in some logging to confirm that the implicit operator is changing but
the search results still seem to be producing results using ORing the
terms. Here's what the code looks like:
QueryParser qp = new QueryParser( queryField, analyzer);
logger.info("operator before: "+qp.getOperator());
qp.setOperator(1);
logger.info("operator after: "+qp.getOperator());
query = qp.parse(searchterms, queryField, analyzer);
In the log files it shows that the operator is 0 before the setOperator(1)
call has been made, and returns a 1 afterwords. However, when the search
is performed it still seems to OR the terms.
As a workaround, we just changed the default operator setting in
QueryParser.java and rebuilt the jar file but I would prefer to use an
official release so that we can update without applying our patch.
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