【发布时间】:2019-04-25 09:16:21
【问题描述】:
我正在使用带有多个单词/字段的 Hibernate Search,它可以按预期工作,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") })
})
这是我的查询:
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“John Smith”之类的内容,我会得到以下查询:
+((firstName:john firstName:smith)
(lastName:john lastName:smith)
(extraName:john extraName:smith)
(biography:john biography:smith))
找到任何名叫 John 或 Smith 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,我需要启用通配符,如下所示:
fullTextQuery = queryBuilder
.keyword()
.wildcard()
当我通过返回以下查询键入“John*”时,这会起作用:
+(firstName:john* lastName:john* extraName:john* biography:john*)
但是当我输入“John* Smith”之类的内容时它不再起作用,因为它不会拆分单词,我认为这是由于通配符选项:
+(firstName:john* smith lastName:john* smith extraName:john* smith biography:john* smith)
【问题讨论】:
标签: java hibernate hibernate-search