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& elasticsearch cheatsheet & Quick Reference</title>
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入门，为开发人员分享快速参考备忘单。">
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<p>这是 <a href="https://www.elastic.co/guide/index.html">Elasticsearch</a> 的官方文档。 你可以在这里找到 elasticsearch 的所有文档。</p>
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</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#入门">入门</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#入门-1">入门</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#下载">下载</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#windows">Windows</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#linux">linux</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#macos">macos</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#启动">启动</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#elasticsearch-和-rdms-的对比">Elasticsearch 和 RDMS 的对比</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#操作">操作</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#基础语法规则">基础语法规则</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#创建索引">创建索引</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#统一请求-api-前缀">统一请求 api 前缀</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法">DSL语法</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#curl">curl</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#参数说明">参数说明</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#删除索引">删除索引</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-1">DSL语法</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#curl-1">curl</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#判断索引是否存在">判断索引是否存在</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-2">DSL语法</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#curl-2">curl</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#开启关闭索引">开启/关闭索引</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#开启dsl语法">开启DSL语法</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#关闭-dsl-语法">关闭 DSL 语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#索引的别名">索引的别名</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#mapping-操作">Mapping 操作</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#查看-mapping">查看 mapping</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-3">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#新增-mapping">新增 mapping</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-4">DSL语法</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#文档的操作">文档的操作</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#添加文档">添加文档</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#新增一条数据---dsl语法">新增一条数据 - DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#查询指定索引的所有文档">查询指定索引的所有文档</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-5">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#通过-id-查询文档">通过 id 查询文档</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-6">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#模糊查找">模糊查找</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-7">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#通过条件查询文档">通过条件查询文档</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#通过条件查询---dsl语法">通过条件查询 - DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#范围查找">范围查找</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-8">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#and-查询">and 查询</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-9">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#limit-查找">limit 查找</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-10">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#limit-offset-查找">limit offset 查找</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-11">DSL语法</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#参数说明-1">参数说明</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#or-查询">or 查询</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-12">DSL语法</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#删除文档">删除文档</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#删除指定-id">删除指定 id</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-13">DSL语法</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#删除指定条件">删除指定条件</a><a aria-hidden="true" class="leve4 tocs-link" data-num="4" href="#dsl语法-14">DSL语法</a></div></div><div class="h1wrap-body"><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="入门"><a aria-hidden="true" tabindex="-1" href="#入门"><span class="icon icon-link"></span></a>入门</h2><div class="wrap-body">
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</div></div><div class="h2wrap-body"><div class="wrap h3body-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="入门-1"><a aria-hidden="true" tabindex="-1" href="#入门-1"><span class="icon icon-link"></span></a>入门</h3><div class="wrap-body">
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<!--rehype:wrap-class=row-span-2-->
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<p>Elasticsearch 是一个基于 Lucene 库的搜索引擎。它提供了一个分布式、支持多租户的全文搜索引擎，具有HTTP Web接口和无模式JSON文档。</p>
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<h4 id="下载"><a aria-hidden="true" tabindex="-1" href="#下载"><span class="icon icon-link"></span></a>下载</h4>
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<p>注意： <code>${VERSION}</code> 需替换为指定版本，官方包有的功能只能试用，完整功能需要付费，请仔细阅读官网文档。</p>
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<h4 id="windows"><a aria-hidden="true" tabindex="-1" href="#windows"><span class="icon icon-link"></span></a>Windows</h4>
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<pre class="wrap-text"><code class="code-highlight"><span class="code-line">https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-${VERSION}-windows-x86_64.zip
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</span></code></pre>
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<!--rehype:className=wrap-text-->
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<h4 id="linux"><a aria-hidden="true" tabindex="-1" href="#linux"><span class="icon icon-link"></span></a>linux</h4>
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<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">wget</span> https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-<span class="token variable">${VERSION}</span>-linux-x86_64.tar.gz
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</span><span class="code-line">
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</span><span class="code-line">$ <span class="token function">wget</span> https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-<span class="token variable">${VERSION}</span>-linux-x86_64.tar.gz.sha512
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</span><span class="code-line">
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</span><span class="code-line">$ shasum <span class="token parameter variable">-a</span> <span class="token number">512</span> <span class="token parameter variable">-c</span> elasticsearch-<span class="token variable">${VERSION}</span>-linux-x86_64.tar.gz.sha512
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</span><span class="code-line">
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</span><span class="code-line">$ <span class="token function">tar</span> <span class="token parameter variable">-xzf</span> elasticsearch-<span class="token variable">${VERSION}</span>-linux-x86_64.tar.gz
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</span><span class="code-line">
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</span><span class="code-line">$ <span class="token builtin class-name">cd</span> elasticsearch-<span class="token variable">${VERSION}</span>/
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</span></code></pre>
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<!--rehype:className=wrap-text-->
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<h4 id="macos"><a aria-hidden="true" tabindex="-1" href="#macos"><span class="icon icon-link"></span></a>macos</h4>
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<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">curl</span> <span class="token parameter variable">-O</span> https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-<span class="token variable">${VERSION}</span>-darwin-x86_64.tar.gz
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</span><span class="code-line">
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</span><span class="code-line">$ <span class="token function">curl</span> https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-<span class="token variable">${VERSION}</span>-darwin-x86_64.tar.gz.sha512 <span class="token operator">|</span> shasum <span class="token parameter variable">-a</span> <span class="token number">512</span> <span class="token parameter variable">-c</span> -
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</span><span class="code-line">
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</span><span class="code-line">$ <span class="token function">tar</span> <span class="token parameter variable">-xzf</span> elasticsearch-<span class="token variable">${VERSION}</span>-darwin-x86_64.tar.gz
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</span><span class="code-line">
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</span><span class="code-line">$ <span class="token builtin class-name">cd</span> elasticsearch-<span class="token variable">${VERSION}</span>/
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</span></code></pre>
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<!--rehype:className=wrap-text-->
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</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="启动"><a aria-hidden="true" tabindex="-1" href="#启动"><span class="icon icon-link"></span></a>启动</h3><div class="wrap-body">
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<!--rehype:wrap-class=col-span-2-->
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<ul class="style-timeline">
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<li>
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<p>启动 Elasticsearch</p>
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">$ ./bin/elasticsearch
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</span></code></pre>
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</li>
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<li>
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<p>设置密码</p>
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<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line"><span class="token builtin class-name">export</span> <span class="token assign-left variable">ELASTIC_PASSWORD</span><span class="token operator">=</span><span class="token string">"your_password"</span>
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</span></code></pre>
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</li>
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<li>
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<p>测试是否启动成功</p>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">--cacert</span> <span class="token variable">$ES_HOME</span>/config/certs/http_ca.crt <span class="token parameter variable">-u</span> elastic:<span class="token variable">$ELASTIC_PASSWORD</span> https://localhost:9200
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</li>
|
||
<li>
|
||
<p>成功则返回样例如下:</p>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"name"</span> <span class="token operator">:</span> <span class="token string">"Cp8oag6"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"cluster_name"</span> <span class="token operator">:</span> <span class="token string">"elasticsearch"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"cluster_uuid"</span> <span class="token operator">:</span> <span class="token string">"AT69_T_DTp-1qgIJlatQqA"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"version"</span> <span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"number"</span> <span class="token operator">:</span> <span class="token string">"${VERSION}"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"build_type"</span> <span class="token operator">:</span> <span class="token string">"tar"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"build_hash"</span> <span class="token operator">:</span> <span class="token string">"f27399d"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"build_flavor"</span> <span class="token operator">:</span> <span class="token string">"default"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"build_date"</span> <span class="token operator">:</span> <span class="token string">"2016-03-30T09:51:41.449Z"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"build_snapshot"</span> <span class="token operator">:</span> <span class="token boolean">false</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"lucene_version"</span> <span class="token operator">:</span> <span class="token string">"9.10.0"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"minimum_wire_compatibility_version"</span> <span class="token operator">:</span> <span class="token string">"1.2.3"</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"minimum_index_compatibility_version"</span> <span class="token operator">:</span> <span class="token string">"1.2.3"</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"tagline"</span> <span class="token operator">:</span> <span class="token string">"You Know, for Search"</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
</li>
|
||
</ul>
|
||
<!--rehype:className=style-timeline-->
|
||
</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="elasticsearch-和-rdms-的对比"><a aria-hidden="true" tabindex="-1" href="#elasticsearch-和-rdms-的对比"><span class="icon icon-link"></span></a>Elasticsearch 和 RDMS 的对比</h3><div class="wrap-body">
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<table class="left-align show-header"><thead><tr><th>RDMS</th><th>elasticsearch</th></tr></thead><tbody><tr><td>数据库(database)</td><td>索引(index)</td></tr><tr><td>表(table)</td><td>类型(type)</td></tr><tr><td>行(row)</td><td>文档(document)</td></tr><tr><td>列(column)</td><td>字段(field)</td></tr><tr><td>表结构</td><td>映射</td></tr><tr><td>索引</td><td>全文索引</td></tr><tr><td>SQL</td><td>查询DSL</td></tr><tr><td>SELECT * FROM tablename</td><td>GET http://...</td></tr><tr><td>UPDATE table SET</td><td>PUT http://...</td></tr><tr><td>DELETE</td><td>DELETE http://...</td></tr></tbody></table>
|
||
<!--rehype:className=left-align show-header-->
|
||
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="操作"><a aria-hidden="true" tabindex="-1" href="#操作"><span class="icon icon-link"></span></a>操作</h2><div class="wrap-body">
|
||
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="基础语法规则"><a aria-hidden="true" tabindex="-1" href="#基础语法规则"><span class="icon icon-link"></span></a>基础语法规则</h3><div class="wrap-body">
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line">$ <span class="token function">curl</span> -X<span class="token operator"><</span>VERB<span class="token operator">></span> <span class="token string">'<PROTOCOL>://<HOST>:<PORT>/<PATH>?<QUERY_STRING>'</span> <span class="token parameter variable">-d</span> <span class="token string">'<BODY>'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
<ul>
|
||
<li><code>VERB HTTP</code> 方法：GET, POST, PUT, HEAD, DELETE</li>
|
||
<li><code>PROTOCOL</code>：http 或者 https 协议（只有在 Elasticsearch 前面有 https 代理的时候可用）</li>
|
||
<li><code>HOST</code>：Elasticsearch 集群中的任何一个节点的主机名，如果是在本地的节点，那么就叫 localhost</li>
|
||
<li><code>PORT</code>：Elasticsearch HTTP 服务所在的端口，默认为 9200</li>
|
||
<li><code>PATH API 路径</code>（例如_count 将返回集群中文档的数量），PATH：可以包含多个组件，例如_cluster/stats 或者_nodes/stats/jvm</li>
|
||
<li><code>QUERY_STRING</code>：一些可选的查询请求参数，例如?pretty 参数将使请求返回更加美观易读的 JSON 数据</li>
|
||
<li><code>BODY</code>：一个 JSON 格式的请求主体（如果请求需要的话）</li>
|
||
</ul>
|
||
</div></div></div><div class="wrap h3body-exist col-span-2 row-span-3"><div class="wrap-header h3wrap"><h3 id="创建索引"><a aria-hidden="true" tabindex="-1" href="#创建索引"><span class="icon icon-link"></span></a>创建索引</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2 row-span-3-->
|
||
<h4 id="统一请求-api-前缀"><a aria-hidden="true" tabindex="-1" href="#统一请求-api-前缀"><span class="icon icon-link"></span></a>统一请求 api 前缀</h4>
|
||
<pre><code class="code-highlight"><span class="code-line">http://localhost:9200/
|
||
</span></code></pre>
|
||
<h4 id="dsl语法"><a aria-hidden="true" tabindex="-1" href="#dsl语法"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">PUT /user_info
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"settings"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"number_of_replicas"</span><span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span> <span class="token property">"number_of_shards"</span><span class="token operator">:</span> <span class="token number">1</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"mappings"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"properties"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"id"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"long"</span><span class="token punctuation">,</span> <span class="token property">"index"</span><span class="token operator">:</span> <span class="token boolean">true</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"username"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"keyword"</span><span class="token punctuation">,</span> <span class="token property">"index"</span><span class="token operator">:</span> <span class="token boolean">true</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"nickname"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"keyword"</span><span class="token punctuation">,</span> <span class="token property">"index"</span><span class="token operator">:</span> <span class="token boolean">true</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"password"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"keyword"</span><span class="token punctuation">,</span> <span class="token property">"index"</span><span class="token operator">:</span> <span class="token boolean">false</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"integer"</span><span class="token punctuation">,</span> <span class="token property">"index"</span><span class="token operator">:</span> <span class="token boolean">true</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"info"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"text"</span><span class="token punctuation">,</span> <span class="token property">"index"</span><span class="token operator">:</span> <span class="token boolean">true</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"remark"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"type"</span><span class="token operator">:</span> <span class="token string">"text"</span><span class="token punctuation">,</span> <span class="token property">"index"</span><span class="token operator">:</span> <span class="token boolean">true</span> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<h4 id="curl"><a aria-hidden="true" tabindex="-1" href="#curl"><span class="icon icon-link"></span></a>curl</h4>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XPUT</span> <span class="token string">"http://localhost:9200/user_info"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "settings": { "number_of_replicas": 1, "number_of_shards": 1 }, "mappings": { "properties": { "id": { "type": "long", "index": true }, "username": { "type": "keyword", "index": true }, "nickname": { "type": "keyword", "index": true }, "password": { "type": "keyword", "index": false }, "age": { "type": "integer", "index": true }, "info": { "type": "text", "index": true }, "remark": { "type": "text", "index": true } } } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
<h4 id="参数说明"><a aria-hidden="true" tabindex="-1" href="#参数说明"><span class="icon icon-link"></span></a>参数说明</h4>
|
||
<ul>
|
||
<li><code>settings</code>: 设置索引的信息</li>
|
||
<li><code>number_of_shards</code>: 每个索引的主分片数，一旦索引创建后，无法修改此配置</li>
|
||
<li><code>number_of_replicas</code>: 每个主分片的副本数，此配置可随时修改</li>
|
||
<li><code>mappings</code>: 索引映射定义</li>
|
||
<li><code>properties</code>: 字段定义。使用 JSON 配置，键为字段名称（自定义），值为嵌套 JSON，其中 <code>type</code> 指定字段的类型</li>
|
||
</ul>
|
||
<p>其他参数很多，请参考官网资料</p>
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="删除索引"><a aria-hidden="true" tabindex="-1" href="#删除索引"><span class="icon icon-link"></span></a>删除索引</h3><div class="wrap-body">
|
||
<h4 id="dsl语法-1"><a aria-hidden="true" tabindex="-1" href="#dsl语法-1"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-http"><code class="language-http code-highlight"><span class="code-line">DELETE /user_info
|
||
</span></code></pre>
|
||
<h4 id="curl-1"><a aria-hidden="true" tabindex="-1" href="#curl-1"><span class="icon icon-link"></span></a>curl</h4>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XDELETE</span> <span class="token string">"http://localhost:9200/user_info"</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="判断索引是否存在"><a aria-hidden="true" tabindex="-1" href="#判断索引是否存在"><span class="icon icon-link"></span></a>判断索引是否存在</h3><div class="wrap-body">
|
||
<h4 id="dsl语法-2"><a aria-hidden="true" tabindex="-1" href="#dsl语法-2"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-http"><code class="language-http code-highlight"><span class="code-line"># 查看索引是否存在
|
||
</span><span class="code-line">HEAD /user_info
|
||
</span></code></pre>
|
||
<h4 id="curl-2"><a aria-hidden="true" tabindex="-1" href="#curl-2"><span class="icon icon-link"></span></a>curl</h4>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token comment"># 查看索引是否存在</span>
|
||
</span><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XHEAD</span> <span class="token string">"http://localhost:9200/user_info"</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="开启关闭索引"><a aria-hidden="true" tabindex="-1" href="#开启关闭索引"><span class="icon icon-link"></span></a>开启/关闭索引</h3><div class="wrap-body">
|
||
<h4 id="开启dsl语法"><a aria-hidden="true" tabindex="-1" href="#开启dsl语法"><span class="icon icon-link"></span></a>开启DSL语法</h4>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">POST /user_info/_open
|
||
</span></code></pre>
|
||
<p><code>curl</code></p>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XPOST</span> <span class="token string">"http://localhost:9200/user_info/_open"</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
<h4 id="关闭-dsl-语法"><a aria-hidden="true" tabindex="-1" href="#关闭-dsl-语法"><span class="icon icon-link"></span></a>关闭 DSL 语法</h4>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">POST /user_info/_close
|
||
</span></code></pre>
|
||
<p><code>curl</code></p>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XPOST</span> <span class="token string">"http://localhost:9200/user_info/_close"</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-not-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="索引的别名"><a aria-hidden="true" tabindex="-1" href="#索引的别名"><span class="icon icon-link"></span></a>索引的别名</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2-->
|
||
<ul>
|
||
<li>添加别名 DSL 语法</li>
|
||
</ul>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">POST /user_info/_alias/user1
|
||
</span></code></pre>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XPOST</span> <span class="token string">"http://localhost:9200/user_info/_alias/user1"</span>
|
||
</span></code></pre>
|
||
<ul>
|
||
<li>删除别名DSL语法</li>
|
||
</ul>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">DELETE /user_info/_alias/user1
|
||
</span></code></pre>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XDELETE</span> <span class="token string">"http://localhost:9200/user_info/_alias/user1"</span>
|
||
</span></code></pre>
|
||
<ul>
|
||
<li>查看别名DSL语法</li>
|
||
</ul>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">GET /_alias/user1
|
||
</span></code></pre>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/_alias/useraa"</span>
|
||
</span></code></pre>
|
||
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="mapping-操作"><a aria-hidden="true" tabindex="-1" href="#mapping-操作"><span class="icon icon-link"></span></a>Mapping 操作</h2><div class="wrap-body">
|
||
<p>类似修改数据库中列的操作</p>
|
||
</div></div><div class="h2wrap-body"><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="查看-mapping"><a aria-hidden="true" tabindex="-1" href="#查看-mapping"><span class="icon icon-link"></span></a>查看 mapping</h3><div class="wrap-body">
|
||
<h4 id="dsl语法-3"><a aria-hidden="true" tabindex="-1" href="#dsl语法-3"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">GET /user_info/_mapping
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_mapping"</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="新增-mapping"><a aria-hidden="true" tabindex="-1" href="#新增-mapping"><span class="icon icon-link"></span></a>新增 mapping</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2-->
|
||
<h4 id="dsl语法-4"><a aria-hidden="true" tabindex="-1" href="#dsl语法-4"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">PUT /user_info/_mapping
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token string">"properties"</span>:<span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token string">"sex"</span>:<span class="token punctuation">{</span> <span class="token string">"type"</span><span class="token builtin class-name">:</span><span class="token string">"keyword"</span> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XPUT</span> <span class="token string">"http://localhost:9200/user_info/_mapping"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "properties":{ "sex":{ "type":"keyword" } } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
<p><code>注意</code>: 需要注意的是字段映射只能增加，不能更改删除</p>
|
||
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="文档的操作"><a aria-hidden="true" tabindex="-1" href="#文档的操作"><span class="icon icon-link"></span></a>文档的操作</h2><div class="wrap-body">
|
||
</div></div><div class="h2wrap-body"><div class="wrap h3body-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="添加文档"><a aria-hidden="true" tabindex="-1" href="#添加文档"><span class="icon icon-link"></span></a>添加文档</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=row-span-2-->
|
||
<h4 id="新增一条数据---dsl语法"><a aria-hidden="true" tabindex="-1" href="#新增一条数据---dsl语法"><span class="icon icon-link"></span></a>新增一条数据 - DSL语法</h4>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">POST /user_info/_doc/1
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token string">"id"</span>:1,
|
||
</span><span class="code-line"> <span class="token string">"username"</span><span class="token builtin class-name">:</span><span class="token string">"username"</span>,
|
||
</span><span class="code-line"> <span class="token string">"password"</span><span class="token builtin class-name">:</span><span class="token string">"123456"</span>,
|
||
</span><span class="code-line"> <span class="token string">"nickname"</span><span class="token builtin class-name">:</span><span class="token string">"nickname"</span>,
|
||
</span><span class="code-line"> <span class="token string">"age"</span>:18,
|
||
</span><span class="code-line"> <span class="token string">"info"</span><span class="token builtin class-name">:</span><span class="token string">"一些个人相关的介绍"</span>,
|
||
</span><span class="code-line"> <span class="token string">"remark"</span><span class="token builtin class-name">:</span><span class="token string">"备注信息"</span>,
|
||
</span><span class="code-line"> <span class="token string">"sex"</span><span class="token builtin class-name">:</span><span class="token string">"男"</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XPOST</span> <span class="token string">"http://localhost:9200/user_info/_doc/1"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "id":1, "username":"username", "password":"123456", "nickname":"nickname", "age":18, "info":"一些个人相关的介绍", "remark":"备注信息", "sex":"男" }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="查询指定索引的所有文档"><a aria-hidden="true" tabindex="-1" href="#查询指定索引的所有文档"><span class="icon icon-link"></span></a>查询指定索引的所有文档</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=row-span-2-->
|
||
<p>类似数据库中的 <code>select * from user_info;</code></p>
|
||
<h4 id="dsl语法-5"><a aria-hidden="true" tabindex="-1" href="#dsl语法-5"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"match_all"</span><span class="token operator">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_search"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "query": { "match_all": {} } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="通过-id-查询文档"><a aria-hidden="true" tabindex="-1" href="#通过-id-查询文档"><span class="icon icon-link"></span></a>通过 id 查询文档</h3><div class="wrap-body">
|
||
<p>类似数据库中的 <code>select * from user_info where id = 1;</code></p>
|
||
<h4 id="dsl语法-6"><a aria-hidden="true" tabindex="-1" href="#dsl语法-6"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line">GET /user_info/_doc/1
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_doc/1"</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="模糊查找"><a aria-hidden="true" tabindex="-1" href="#模糊查找"><span class="icon icon-link"></span></a>模糊查找</h3><div class="wrap-body">
|
||
<p>类似数据库中的模糊查询 <code>select * from user_info where info like '%人%';</code></p>
|
||
<h4 id="dsl语法-7"><a aria-hidden="true" tabindex="-1" href="#dsl语法-7"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"match"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"info"</span><span class="token operator">:</span> <span class="token string">"人"</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
</div></div></div><div class="wrap h3body-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="通过条件查询文档"><a aria-hidden="true" tabindex="-1" href="#通过条件查询文档"><span class="icon icon-link"></span></a>通过条件查询文档</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2-->
|
||
<p>类似数据库中的 <code>select * from user_info where username = 'username';</code></p>
|
||
<h4 id="通过条件查询---dsl语法"><a aria-hidden="true" tabindex="-1" href="#通过条件查询---dsl语法"><span class="icon icon-link"></span></a>通过条件查询 - DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"bool"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"must"</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token punctuation">{</span> <span class="token property">"term"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"username"</span><span class="token operator">:</span> <span class="token string">"username"</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span> <span class="token punctuation">]</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_search"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "query": { "bool": { "must": [ { "term": { "username": "username" } } ] } } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="范围查找"><a aria-hidden="true" tabindex="-1" href="#范围查找"><span class="icon icon-link"></span></a>范围查找</h3><div class="wrap-body">
|
||
<p>类似数据库中的范围查询 <code>select * from user_info where age between 18 and 30;</code></p>
|
||
<h4 id="dsl语法-8"><a aria-hidden="true" tabindex="-1" href="#dsl语法-8"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"range"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"gt"</span><span class="token operator">:</span> <span class="token number">18</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"lt"</span><span class="token operator">:</span> <span class="token number">30</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_search"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "query": { "range": { "age": { "gt": 18, "lt": 30 } } } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="and-查询"><a aria-hidden="true" tabindex="-1" href="#and-查询"><span class="icon icon-link"></span></a>and 查询</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2-->
|
||
<p>类似数据库中的 and 查询 <code>select * from user_info where age > 18 and sex = '男';</code></p>
|
||
<h4 id="dsl语法-9"><a aria-hidden="true" tabindex="-1" href="#dsl语法-9"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"bool"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"must"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
|
||
</span><span class="code-line"> <span class="token punctuation">{</span> <span class="token property">"range"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"gt"</span><span class="token operator">:</span> <span class="token number">18</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token punctuation">{</span> <span class="token property">"term"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"sex"</span><span class="token operator">:</span> <span class="token string">"男"</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">]</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_search"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "query": { "bool": { "must": [ { "range": { "age": { "gt": 17 } } }, { "term": { "sex": "男" } } ] } } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="limit-查找"><a aria-hidden="true" tabindex="-1" href="#limit-查找"><span class="icon icon-link"></span></a>limit 查找</h3><div class="wrap-body">
|
||
<p>类似数据库中的 limit 查询 <code>select * from user_info limit 10;</code></p>
|
||
<h4 id="dsl语法-10"><a aria-hidden="true" tabindex="-1" href="#dsl语法-10"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"size"</span><span class="token operator">:</span> <span class="token number">10</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"match_all"</span><span class="token operator">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_search"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "size": 1, "query": { "match_all": {} } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="limit-offset-查找"><a aria-hidden="true" tabindex="-1" href="#limit-offset-查找"><span class="icon icon-link"></span></a>limit offset 查找</h3><div class="wrap-body">
|
||
<p>类似数据库中的 limit 查询 <code>select * from user_info limit 0,10;</code></p>
|
||
<h4 id="dsl语法-11"><a aria-hidden="true" tabindex="-1" href="#dsl语法-11"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-http"><code class="language-http code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line">{
|
||
</span><span class="code-line"> "size": 2,
|
||
</span><span class="code-line"> "from": 1,
|
||
</span><span class="code-line"> "query": {
|
||
</span><span class="code-line"> "match_all": {}
|
||
</span><span class="code-line"> }
|
||
</span><span class="code-line">}
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_search"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "size": 2, "from": 1, "query": { "match_all": {} } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
<h4 id="参数说明-1"><a aria-hidden="true" tabindex="-1" href="#参数说明-1"><span class="icon icon-link"></span></a>参数说明</h4>
|
||
<ul>
|
||
<li><code>size</code>: 10 表示我们想要返回的结果数量是10条</li>
|
||
<li><code>from</code>: 20 表示我们想要从结果集中的第21条记录开始返回（因为偏移是从0开始的）</li>
|
||
<li><code>query</code>: <code>{"match_all": {}}</code> 是一个匹配所有文档的查询，因为我们没有特定的查询条件，只是想要分页结果</li>
|
||
</ul>
|
||
</div></div></div><div class="wrap h3body-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="or-查询"><a aria-hidden="true" tabindex="-1" href="#or-查询"><span class="icon icon-link"></span></a>or 查询</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2-->
|
||
<p>类似数据库中的 or 查询 <code>select * from user_info where age > 18 or sex = '男';</code></p>
|
||
<h4 id="dsl语法-12"><a aria-hidden="true" tabindex="-1" href="#dsl语法-12"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">GET /user_info/_search
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"bool"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"should"</span><span class="token operator">:</span> <span class="token punctuation">[</span>
|
||
</span><span class="code-line"> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"range"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"gt"</span><span class="token operator">:</span> <span class="token number">18</span> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</span><span class="code-line"> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"term"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"sex"</span><span class="token operator">:</span> <span class="token string">"男"</span> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">]</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XGET</span> <span class="token string">"http://localhost:9200/user_info/_search"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{ "query": { "bool": { "should": [ { "range": { "age": { "gt": 18 } } }, { "term": { "sex": "男" } } ] } } }'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="删除文档"><a aria-hidden="true" tabindex="-1" href="#删除文档"><span class="icon icon-link"></span></a>删除文档</h2><div class="wrap-body">
|
||
</div></div><div class="h2wrap-body"><div class="wrap h3body-exist"><div class="wrap-header h3wrap"><h3 id="删除指定-id"><a aria-hidden="true" tabindex="-1" href="#删除指定-id"><span class="icon icon-link"></span></a>删除指定 id</h3><div class="wrap-body">
|
||
<p>类似数据库中的 delete 查询 <code>delete from user_info where id = 3;</code></p>
|
||
<h4 id="dsl语法-13"><a aria-hidden="true" tabindex="-1" href="#dsl语法-13"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-shell"><code class="language-shell code-highlight"><span class="code-line"><span class="token comment"># 删除文档</span>
|
||
</span><span class="code-line">DELETE /user_info/_doc/3
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token comment"># 删除文档</span>
|
||
</span><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XDELETE</span> <span class="token string">"http://localhost:9200/user_info/_doc/3"</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div><div class="wrap h3body-exist col-span-2"><div class="wrap-header h3wrap"><h3 id="删除指定条件"><a aria-hidden="true" tabindex="-1" href="#删除指定条件"><span class="icon icon-link"></span></a>删除指定条件</h3><div class="wrap-body">
|
||
<!--rehype:wrap-class=col-span-2-->
|
||
<p>类似数据库中的 delete 查询 <code>delete from user_info where age > 18;</code></p>
|
||
<h4 id="dsl语法-14"><a aria-hidden="true" tabindex="-1" href="#dsl语法-14"><span class="icon icon-link"></span></a>DSL语法</h4>
|
||
<pre class="language-json"><code class="language-json code-highlight"><span class="code-line">POST /user_info/_delete_by_query
|
||
</span><span class="code-line"><span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"query"</span><span class="token operator">:</span> <span class="token punctuation">{</span>
|
||
</span><span class="code-line"> <span class="token property">"range"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"age"</span><span class="token operator">:</span> <span class="token punctuation">{</span> <span class="token property">"gt"</span><span class="token operator">:</span> <span class="token number">18</span> <span class="token punctuation">}</span> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"> <span class="token punctuation">}</span>
|
||
</span><span class="code-line"><span class="token punctuation">}</span>
|
||
</span></code></pre>
|
||
<hr>
|
||
<pre class="wrap-text"><code class="language-shell code-highlight"><span class="code-line"><span class="token function">curl</span> <span class="token parameter variable">-XPOST</span> <span class="token string">"http://localhost:9200/user_info/_delete_by_query"</span> <span class="token parameter variable">-H</span> <span class="token string">'Content-Type: application/json'</span> -d<span class="token string">'{"query":{"range":{"age":{"gt":18}}}}'</span>
|
||
</span></code></pre>
|
||
<!--rehype:className=wrap-text-->
|
||
</div></div></div></div></div></div><script src="https://giscus.app/client.js" data-repo="jaywcjlove/reference" data-repo-id="R_kgDOID2-Mw" data-category="Q&A" data-category-id="DIC_kwDOID2-M84CS5wo" data-mapping="pathname" data-strict="0" data-reactions-enabled="1" data-emit-metadata="0" data-input-position="bottom" data-theme="dark" data-lang="zh-CN" crossorigin="anonymous" async></script><div class="giscus"></div></div><footer class="footer-wrap"><footer class="max-container">© 2022 <a href="https://wangchujiang.com/#/app" target="_blank">Kenny Wang</a>.</footer></footer><script src="../data.js?v=1.8.3" defer></script><script src="../js/fuse.min.js?v=1.8.3" defer></script><script src="../js/main.js?v=1.8.3" defer></script><div id="mysearch"><div class="mysearch-box"><div class="mysearch-input"><div><svg xmlns="http://www.w3.org/2000/svg" height="1em" width="1em" viewBox="0 0 18 18">
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