Query parsed to: +querypars +default +oper
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3.5.2 : Boolean operators
starts on page 94 under section 3.5 (Parsing query expressions: QueryParser) in chapter 3 (Adding search to your application)
...
operator setting. To switch parsing to use AND, use an instance of
QueryParser rather than the static parse method: 6 Misspelled on purpose to illustrate FuzzyQuery.
QueryParser parser = new
QueryParser("contents", analyzer); parser.setOperator(
QueryParser.
DEFAULT_
OPERATOR_AND); Placing a NOT in front ... Constructing Boolean queries textually via
QueryParser is done using the
opera- tors AND, OR, and NOT. Terms listed without an
operator specified use an implicit
operator, which by
default... [
Full sample chapter]
3.1.2 : Parsing a user-entered query expression: QueryParser
starts on page 72 under section 3.1 (Implementing a simple search feature) in chapter 3 (Adding search to your application)
... be controlled on a
QueryParser instance, such as the
default operator (which
defaults ... queries. The
QueryParser con- structor takes the
default field and analyzer. The instance parse ... January 1, [1/1/04 TO 12/31/04] 2004 and December 31, 2004 a The
default operator is OR. It can be set ... searcher = new IndexSearcher(directory); Query query =
QueryParser.parse("+JUNIT +ANT -MOCK", "contents ... d = hits.doc(0); assertEquals("Java Development with Ant", d.get("title")); query =
QueryParser... [
Full sample chapter]
5.3 : Querying on multiple fields at once
starts on page 159 in chapter 5 (Advanced search techniques)
... on QueryParser. Under the covers, it parses a query expression using QueryParser's static parse method for each field as the default field and combines them into a BooleanQuery. The default operator OR is used ... that QueryParser sup- ports, and you're stuck with the defaults such as default locale date parsing ... , the operator can be specified for each field as required (REQUIRED_FIELD), prohibited (PROHIBITED_FIELD ... this heavier QueryParser variant in use. The testDefault- Operator() method first parses the query...
3.4.6 : Searching by wildcard: WildcardQuery
starts on page 90 under section 3.4 (Creating queries programmatically) in chapter 3 (Adding search to your application)
... and
QueryParser QueryParser supports WildcardQuery using the same syntax for a term as used by the API. There are a few important differences, though. With
QueryParser, the first character of a wildcarded ... terms into a search expression, incurring an expensive
operation of enumerating all the terms. Also ... to a PrefixQuery. Wildcard terms are lowercased automatically by
default, but this can be changed. See section 3.5.7 for more on wildcard queries and
QueryParser.... [
Full sample chapter]
3.4.4 : Combining queries: BooleanQuery
starts on page 85 under section 3.4 (Creating queries programmatically) in chapter 3 (Adding search to your application)
... of clauses; 1,024 is the
default. This limitation is in place to prevent queries from adversely affecting ... on BooleanQuery. BooleanQuery and
QueryParser QueryParser handily constructs BooleanQuerys when multiple ... are set when the -, +, AND, OR, and NOT
operators are specified.... [
Full sample chapter]
5.2 : Using PhrasePrefixQuery
starts on page 157 in chapter 5 (Advanced search techniques)
... the same set of hits as a BooleanQuery consisting of multiple PhraseQuerys combined with an OR operator ... . In testBasic(), the slop is used to match "quick brown fox" in the second search; with the default slop of zero ... in the WordNet-based code (see section 8.6 for more on WordNet and Lucene). NOTE Lucene's QueryParser doesn...
8.2.2 : Luke: the Lucene Index Toolbox
starts on page 271 under section 8.2 (Interacting with an index) in chapter 8 (Tools and extensions)
... in position order all the terms that were indexed. Reconstructing a field is a poten- tially lossy operation ... on the Documents tab. You can also use the Search tab manually, entering QueryParser expression syntax along with your choice of Analyzer and default field. Click Search when the expression and other fields ... . It's useful to interactively experiment with search expressions and see how QueryParser reacts ... : an easy way to experiment with QueryParser Files view The final view in Luke displays the files...
index
starts on page 416
... 309 Snowball 25 date ranges 96 ChainedFilter 177 SnowballAnalyzer 282 default operator 94 Highlighter ... nt, distributed 349 with QueryParser 72 BrazilianAnalyzer 282 AliasAnalyzer 364 Ant Alias-i 361 building ... 297 versus parsing 107 field design 374 ChainedFilter 177, 304 with QueryParser 106 TheServerSide ... 269 SimpleAnalyzer 108 from QueryParser 72, 87 compound index Snowball 283 n-gram extension 358 creating ... 20, 71 FuzzyQuery 92 CPAN 318 copy/paste from Luke 274 from QueryParser 93 crawler 372 editing with Luke...
