public void testBoost() throws Exception {
StandardAnalyzer oneStopAnalyzer =
new StandardAnalyzer(TEST_VERSION_CURRENT, Collections.singleton("on"));
AqpQueryParser qp = getParser();
qp.setAnalyzer(oneStopAnalyzer);
Query q = qp.parse("on^1.0", "field");
assertNotNull(q);
q = qp.parse("\"hello\"^2.0", "field");
assertNotNull(q);
assertEquals(q.getBoost(), (float) 2.0, (float) 0.5);
q = qp.parse("hello^2.0", "field");
assertNotNull(q);
assertEquals(q.getBoost(), (float) 2.0, (float) 0.5);
q = qp.parse("\"on\"^1.0", "field");
assertNotNull(q);
AqpQueryParser qp2 = AqpStandardLuceneParser.init();
qp2.setAnalyzer(new StandardAnalyzer(TEST_VERSION_CURRENT));
q = qp2.parse("the^3", "field");
// "the" is a stop word so the result is an empty query:
assertNotNull(q);
assertEquals("", q.toString());
assertEquals(1.0f, q.getBoost(), 0.01f);
}
public static AqpQueryParser init(Analyzer a) throws Exception {
AqpQueryParser p = AqpStandardLuceneParser.init();
((QueryNodeProcessorPipeline) p.getQueryNodeProcessor())
.add(new QPTestParserQueryNodeProcessor());
p.setAnalyzer(a);
return p;
}
public void testConstantScoreAutoRewrite() throws Exception {
AqpQueryParser qp = AqpStandardLuceneParser.init(getGrammarName());
qp.setAnalyzer(new WhitespaceAnalyzer(TEST_VERSION_CURRENT));
Query q = qp.parse("foo*bar", "field");
assertTrue(q instanceof WildcardQuery);
assertEquals(
MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT,
((MultiTermQuery) q).getRewriteMethod());
q = qp.parse("foo*", "field");
assertTrue(q instanceof PrefixQuery);
assertEquals(
MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT,
((MultiTermQuery) q).getRewriteMethod());
q = qp.parse("[a TO z]", "field");
assertTrue(q instanceof TermRangeQuery);
assertEquals(
MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT,
((MultiTermQuery) q).getRewriteMethod());
}
