我正在使用多个单词/字段的Hibernate搜索,它按预期工作,直到我启用通配符。这是我的实体分析器:
@AnalyzerDef(name = "autocompleteAnalyzer",
tokenizer = @TokenizerDef(factory = StandardTokenizerFactory.class),
filters = {
// remove accents
@TokenFilterDef(factory = ASCIIFoldingFilterFactory.class),
// lower case
@TokenFilterDef(factory = LowerCaseFilterFactory.class),
// Start with same root
@TokenFilterDef(
factory = SnowballPorterFilterFactory.class,
params = { @Parameter(name = "language", value = "English") })
})
这是我的疑问:
if(criteria.length() > 0) {
fullTextQuery = queryBuilder
.keyword()
// .wildcard() => not in use
.onFields("firstName", "lastName", "extraName", "biography")
.matching(criteria)
.createQuery();
场景01 如果我搜索“约翰史密斯”之类的东西,我会得到以下问题:
+((firstName:john firstName:smith)
(lastName:john lastName:smith)
(extraName:john extraName:smith)
(biography:john biography:smith))
找到任何名叫约翰或史密斯的人。
场景02如果我搜索“John *”,因为我想找到名字以John(Johnny,Johson)开头的任何人,我需要启用以下通配符:
fullTextQuery = queryBuilder
.keyword()
.wildcard()
当我通过返回以下查询键入“John *”时,哪个有效:
+(firstName:john* lastName:john* extraName:john* biography:john*)
但是当我输入类似“John * Smith”的内容时它不再起作用,因为它没有分割单词,我相信这是由于Wildcard选项:
+(firstName:john* smith lastName:john* smith extraName:john* smith biography:john* smith)
关键字查询将始终匹配包含任何提供的关键字的文档。通配符查询不应用分析。所以你的情况也不合适。
使用simpleQueryString查询,并强制默认运算符为“and”:
fullTextQuery = queryBuilder
.simpleQueryString()
.onFields("firstName", "lastName", "extraName", "biography")
.withAndAsDefaultOperator()
.matching(criteria)
.createQuery();