Satuluri, Venu_Madhav wrote:
If you want this to work, the most elegant way I've found is to
override
the getBooleanQuery(Vector) method in QueryParser and insert a
MatchAllDocsQuery into the boolean query if every clause is
prohibited.
Daniel
I tried this, but it looks like the overridden method
getBooleanQuery(vector) does not get called. I am using 1.4.3.
We're using 1.4.2.
The minimalist example:
public class Test {
public static void main() throws Exception {
QueryParser parser = new QueryParser("text",
new StandardAnalyzer()) {
protected Query getBooleanQuery(Vector clauses)
throws ParseException {
System.out.println("getBooleanQuery called");
return super.getBooleanQuery(clauses);
}
};
parser.parse("-foo");
}
}
Output of this will be:
getBooleanQuery called
If it isn't being called in your application, the likelihood is that
you're not using the overridden query parser at all.
Daniel
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Daniel Noll
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