Michael Pickard wrote:
Can anyone help me with the formation of a BooleanQuery ?
I want a query of the form:
x AND ( a OR b OR c OR d)
You're going to need 2 BooleanQuery objects, one for the OR'd expression
in parentheses, and another for the AND and expression. Something like
this:
BooleanQuery bq_or = new BooleanQuery();
bq_or.add(new TermQuery(new Term("f", "a")), false, false);
bq_or.add(new TermQuery(new Term("f", "b")), false, false);
bq_or.add(new TermQuery(new Term("f", "c")), false, false);
bq_or.add(new TermQuery(new Term("f", "d")), false, false);
BooleanQuery bq_and = new BooleanQuery();
bq_and.add(bq_or, true, false);
bq_and.add(new TermQuery(new Term("f", "x")), true, false);
...
search(bq_and, ...);
Good luck!
--MDC
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