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"),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),s._v(" column"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Object")]),s._v(" val"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br")])]),t("ul",[t("li",[s._v("SQL SET 字段")]),s._v(" "),t("li",[s._v('例: set("name", "老李头")')]),s._v(" "),t("li",[s._v('例: set("name", "")---\x3e数据库字段值变为'),t("strong",[s._v("空字符串")])]),s._v(" "),t("li",[s._v('例: set("name", null)---\x3e数据库字段值变为null')])]),s._v(" "),t("h3",{attrs:{id:"index"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#index"}},[s._v("#")]),s._v(" index")]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[t("span",{pre:!0,attrs:{class:"token function"}},[s._v("index")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),s._v(" indexName"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("eq")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" condition"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),s._v(" indexName"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br")])]),t("div",{staticClass:"custom-block tip"},[t("p",{staticClass:"custom-block-title"},[s._v("温馨提示")]),s._v(" "),t("p",[s._v('可通过wrapper.index(String indexName)指定本次查询作用于哪个索引,如果本次查询要从多个索引上查询,那么索引名称可以用逗号隔开,例如wrapper.eq("index1","indexes").\nwrapper中指定的索引名称优先级最高,如果不指定则取实体类中配置的索引名称,如果实体类也未配置,则取实体名称小写作为当前查询的索引名\n针对insert/delete/update等接口中无wrapper的情况,如果你需要指定索引名,可直接在对应接口的入参中添加索引名称,可参考下面示例:')])]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[s._v("    "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Document")]),s._v(" document "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Document")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// 省略为document赋值的代码")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),s._v(" indexName "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v('"laohan"')]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("insert")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("document"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("indexName"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br")])]),t("h3",{attrs:{id:"enablemust2filter"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#enablemust2filter"}},[s._v("#")]),s._v(" enableMust2Filter")]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[t("span",{pre:!0,attrs:{class:"token function"}},[s._v("enableMust2Filter")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" enable"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("enableMust2Filter")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" condition"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" enable"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br")])]),t("div",{staticClass:"custom-block tip"},[t("p",{staticClass:"custom-block-title"},[s._v("温馨提示")]),s._v(" "),t("p",[s._v("是否将must查询条件转换成filter查询条件,可以在wrapper中直接指定本次查询的条件是否转换,如果不指定,则从全局配置文件中获取,若配置文件中也未配置,则默认不转换.\nmust查询条件计算得分,filter不计算得分,因此在不需要计算得分的查询场景中,开启此配置可提升少许查询性能.")])]),s._v(" "),t("h3",{attrs:{id:"and-or-重点"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#and-or-重点"}},[s._v("#")]),s._v(" and&or (重点)")]),s._v(" "),t("div",{staticClass:"custom-block tip"},[t("p",{staticClass:"custom-block-title"},[s._v("致歉")]),s._v(" "),t("p",[s._v("ES的参数实际上是以树形数据结构封装的,所以在ES中的AND及OR没有办法做到和MySQL中一致,为了实现和MP几乎一致的语法,作者那糟老头子头发都想没了...\n好在最后,基本上做到了99%相似度的语法,仍有1%需要各位用户学习一下.")])]),s._v(" "),t("p",[s._v("MySQL和ES语法对应关系表格如下")]),s._v(" "),t("table",[t("thead",[t("tr",[t("th",[s._v("MySQL")]),s._v(" "),t("th",[s._v("ES")])])]),s._v(" "),t("tbody",[t("tr",[t("td",[s._v("and(条件1,条件2...)")]),s._v(" "),t("td",[s._v("must BoolQueryBuilder(条件1,条件2)")])]),s._v(" "),t("tr",[t("td",[s._v("or(条件1,条件2...)")]),s._v(" "),t("td",[s._v("should BoolQueryBuilder(条件1,条件2)")])]),s._v(" "),t("tr",[t("td",[s._v("条件1.or().条件2")]),s._v(" "),t("td",[s._v("should条件1,should条件2")])])])]),s._v(" "),t("blockquote",[t("p",[s._v("AND 介绍,EE中的AND其实就是将AND括号中的多个查询条件封装进一个BoolQueryBuilder中作为整体,然后该整体与其他参数默认以Must封装,功能类似MySQL中的 AND(条件1,条件2,条件3...)")])]),s._v(" "),t("p",[s._v("AND API")]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[t("span",{pre:!0,attrs:{class:"token function"}},[s._v("and")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Consumer")]),t("span",{pre:!0,attrs:{class:"token generics"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Param")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v(" consumer"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("and")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" condition"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Consumer")]),t("span",{pre:!0,attrs:{class:"token generics"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Param")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v(" consumer"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br")])]),t("ul",[t("li",[s._v("AND")]),s._v(" "),t("li",[s._v("例: and(i -> i.eq(Document::getTitle, \"Hello\").ne(Document::getCreator, \"Guy\"))---\x3eand (title ='Hello' and creator != 'Guy' )")])]),s._v(" "),t("blockquote",[t("p",[s._v("OR 介绍,EE中的OR和MP中的OR一样,支持2种,一种是or(),作为连接符,另一种是or(条件1,条件2,条件3).")])]),s._v(" "),t("ul",[t("li",[s._v("第一种or():用于把or()连接符前面和后面的must条件统统重置为should查询条件")]),s._v(" "),t("li",[s._v("第二种or(条件1,条件2,条件3...): 用于将括号中的多个查询条件封装进一个BoolQueryBuilder中作为整体,然后该整体与其它参数默认以Should封装,功能类似MySQL中的OR(条件1,条件2,条件3...)")]),s._v(" "),t("li",[s._v("第三种特殊情况,就是第一种or()连接符出现在and(条件1.or().条件2...)或or(条件1.or().条件2...)中,此时or()将must条件重置为should条件的范围仅限于括号内,括号外面的查询条件不受影响.")])]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[t("span",{pre:!0,attrs:{class:"token function"}},[s._v("or")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("or")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" condition"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br")])]),t("ul",[t("li",[s._v("拼接 OR "),t("strong",[s._v("注意事项:")]),s._v(" 主动调用or表示紧接着下一个"),t("strong",[s._v("方法")]),s._v("不是用and连接!(不调用or则默认为使用and连接)")]),s._v(" "),t("li",[s._v('例: eq("Document::getId",1).or().eq(Document::getTitle,"Hello")---\x3eid = 1 or title =\'Hello\'')])]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[t("span",{pre:!0,attrs:{class:"token function"}},[s._v("or")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Consumer")]),t("span",{pre:!0,attrs:{class:"token generics"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Param")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v(" consumer"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("or")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("boolean")]),s._v(" condition"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Consumer")]),t("span",{pre:!0,attrs:{class:"token generics"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Param")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v(" consumer"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br")])]),t("ul",[t("li",[t("p",[s._v("OR")])]),s._v(" "),t("li",[t("p",[s._v("例: or(i -> i.eq(Document::getTitle, \"Hello\").ne(Document::getCreator, \"Guy\"))---\x3eor (title ='Hello' and status != 'Guy' )")])]),s._v(" "),t("li",[t("p",[s._v("特殊情况")])]),s._v(" "),t("li",[t("p",[s._v('例: eq(Document::getTitle,"Hello")\n.and(i->i.eq(Document::getCreator,"Bob").or().eq(Document::getCreator,"Tom"))---\x3e title="Hello" and(creator="Bob" or creator="Tom")')])])]),s._v(" "),t("hr"),s._v(" "),t("p",[s._v("除此之外,有一部分使用场景是如下图这样的,所有查询字段,查询类型,匹配规则等都是不固定的,由用户自由来选,这种情况下,采用上面的语法代码会非常难写,不妨使用queryStringQuery API来解决,用它来解决,整个语法就更像MySQL了,而且灵活性和效率都很高.")]),s._v(" "),t("p",[t("img",{attrs:{src:"https://iknow.hs.net/7bcf189a-053a-48fa-85d6-ef8b763d427a.png",alt:"image1"}})]),s._v(" "),t("div",{staticClass:"custom-block tip"},[t("p",{staticClass:"custom-block-title"},[s._v("前置知识学习")]),s._v(" "),t("p",[s._v("正式进入主题前,我们先来了解下ES的索引,因为有很多小白不懂ES索引,所以这里简单说一下ES的keyword类型和text类型,以免下面踩坑,已经了解的可直接跳过此段介绍.")]),s._v(" "),t("p",[s._v('ES中的keyword类型,和MySQL中的字段基本上差不多,当我们需要对查询字段进行精确匹配,左模糊,右模糊,全模糊,排序聚合等操作时,需要该字段的索引类型为keyword类型,当我们需要对字段进行分词查询时,需要该字段的类型为text类型,并且指定分词器(不指定就用ES默认分词器,效果通常不理想).当同一个字段,我们既需要把它当keyword类型使用,又需要把它当text类型使用时,此时我们的索引类型为keyword_text类型,EE中可以对字段添加注解@TableField(fieldType = FieldType.KEYWORD_TEXT),如此该字段就会被创建为keyword+text双类型如下图所示,值得注意的是,当我们把该字段当做keyword类型查询时,ES要求传入的字段名称为"字段名.keyword",当把该字段当text类型查询时,直接使用原字段名即可.')])]),s._v(" "),t("p",[t("img",{attrs:{src:"https://iknow.hs.net/72818af6-7cc3-4833-b7a7-dbff845ce73e.png",alt:"image2"}})]),s._v(" "),t("p",[s._v("还需要注意的是,如果一个字段的索引类型被创建为仅为keyword类型(如下图所示)查询时,则不需要在其名称后面追加.keyword,直接查询就行.")]),s._v(" "),t("p",[t("img",{attrs:{src:"https://iknow.hs.net/87335e55-1fe3-44ed-920b-61354383e85a.png",alt:"image3"}})]),s._v(" "),t("hr"),s._v(" "),t("p",[s._v("啰嗦完了,正式进入主题,queryStringQuery API:")]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[t("span",{pre:!0,attrs:{class:"token function"}},[s._v("queryStringQuery")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("String")]),s._v(" queryString"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br")])]),t("p",[s._v('其中queryString字符串就是我们的查询条件,我们可以用StringBuilder把查询字段和值拼接进去,组装成最终的查询语句.\n以上图为例,我演示一个场景,请忽略场景合理性,因为是我瞎xx选的:假设我的查询条件是:字段:创建者 等于老王,且创建者分词匹配"隔壁"(比如:隔壁老汉,隔壁老王),或者创建者包含大猪蹄子,对应的代码如下:')]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[s._v("    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"),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br"),t("span",{staticClass:"line-number"},[s._v("7")]),t("br"),t("span",{staticClass:"line-number"},[s._v("8")]),t("br"),t("span",{staticClass:"line-number"},[s._v("9")]),t("br"),t("span",{staticClass:"line-number"},[s._v("10")]),t("br"),t("span",{staticClass:"line-number"},[s._v("11")]),t("br"),t("span",{staticClass:"line-number"},[s._v("12")]),t("br"),t("span",{staticClass:"line-number"},[s._v("13")]),t("br"),t("span",{staticClass:"line-number"},[s._v("14")]),t("br"),t("span",{staticClass:"line-number"},[s._v("15")]),t("br"),t("span",{staticClass:"line-number"},[s._v("16")]),t("br"),t("span",{staticClass:"line-number"},[s._v("17")]),t("br"),t("span",{staticClass:"line-number"},[s._v("18")]),t("br"),t("span",{staticClass:"line-number"},[s._v("19")]),t("br"),t("span",{staticClass:"line-number"},[s._v("20")]),t("br"),t("span",{staticClass:"line-number"},[s._v("21")]),t("br"),t("span",{staticClass:"line-number"},[s._v("22")]),t("br"),t("span",{staticClass:"line-number"},[s._v("23")]),t("br"),t("span",{staticClass:"line-number"},[s._v("24")]),t("br"),t("span",{staticClass:"line-number"},[s._v("25")]),t("br"),t("span",{staticClass:"line-number"},[s._v("26")]),t("br"),t("span",{staticClass:"line-number"},[s._v("27")]),t("br"),t("span",{staticClass:"line-number"},[s._v("28")]),t("br")])]),t("p",[s._v("前端参数页面每传递一行查询参数,我们往sb中append对应参数就完事了,是不是很简单,没错,但是代码不优雅,可咋整? 老汉已经给你们想好出路了,我们提供了工具类,其全路径为:cn.easyes.core.toolkit.QueryUtils\n我们用使用该工具类重构上面的代码,如下:")]),s._v(" "),t("div",{staticClass:"language-java line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-java"}},[t("code",[s._v("    "),t("span",{pre:!0,attrs:{class:"token annotation punctuation"}},[s._v("@Test")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("public")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("void")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("testQueryStringQueryMulti")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n        "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("LambdaEsQueryWrapper")]),t("span",{pre:!0,attrs:{class:"token generics"}},[t("span",{pre:!0,attrs:{class:"token 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