我正在将 Hibernate Search 与多个单词/字段一起使用,并且在启用通配符之前它会按预期工作。 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))
它会找到任何名为 John 或 Smith 的人。
场景02 如果我搜索“John*”,因为我想找到名称以 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()
当我输入“John*”时,它会返回以下查询:
+(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所致:
+(firstName:john* smith lastName:john* smith extraName:john* smith biography:john* smith)
最佳答案
关键字查询将始终与包含任何提供的关键字的文档相匹配。通配符查询不应用分析。所以这两种情况都不适合您的情况。
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();
关于java - Hibernate 搜索 - 通配符和空格,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55845778/