{"id":40613,"date":"2023-05-30T11:17:40","date_gmt":"2023-01-04T03:49:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/sql%e5%92%8celasticsearch%e6%9f%a5%e8%af%a2%e7%9a%84%e5%af%b9%e6%af%94\/"},"modified":"2024-04-30T06:36:59","modified_gmt":"2024-04-29T22:36:59","slug":"sql%e5%92%8celasticsearch%e6%9f%a5%e8%af%a2%e7%9a%84%e5%af%b9%e6%af%94","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/sql%e5%92%8celasticsearch%e6%9f%a5%e8%af%a2%e7%9a%84%e5%af%b9%e6%af%94\/","title":{"rendered":"SQL\u548cElasticsearch\u67e5\u8be2\u7684\u5bf9\u6bd4"},"content":{"rendered":"<p>\u6211\u5927\u81f4\u603b\u7ed3\u4e86\u6709\u5173SQL\u548cElasticsearch\u67e5\u8be2\u7684\u5e38\u89c1\u7528\u6cd5\uff0c\u5404\u81ea\u662f\u5982\u4f55\u5bf9\u5e94\u7684\u3002<\/p>\n<h1>\u73af\u5883<\/h1>\n<p>Elasticsearch\u7684\u7248\u672c\u4ece6.2.4 \u5347\u7ea7\u5230\u4e867.5\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6 (Qian ti tiao jian)<\/h2>\n<p>\u4ee5\u4e0b\u7684\u6761\u4ef6\u4e3a\u8bb0\u8f7d\u5185\u5bb9\u7684\u524d\u63d0\u3002<\/p>\n<h4>\u5728Elasticsearch\u4e2d\uff0c\u53ef\u4ee5\u7701\u7565URL\u7684\u6307\u5b9a\u8fdb\u884c\u641c\u7d22\u3002<\/h4>\n<p>\u5728Elasticsearch\u4e2d\uff0c\u5f53\u6267\u884c\u641c\u7d22\u65f6\uff0c\u4f1a\u5411\u4ee5\u4e0bURL\u53d1\u9001\u8bf7\u6c42\u3002<br \/>\n{Elasticsearch\u7684URL}\/{\u7d22\u5f15\u540d\u79f0}\/_search<br \/>\n\u4f8b\u5982\uff0c\u5bf9\u4e8e\u540d\u4e3aproduct\u7684\u8868\u5728SQL\u4e2d\u8fdb\u884c\u7d22\u5f15\uff0cElasticsearch\u4f1a\u53d1\u9001\u8bf7\u6c42\u5230\u4ee5\u4e0bURL\u3002<br \/>\nhttp:\/\/localhost:9200\/product\/_search<\/p>\n<p>\u5047\u8bbe\u4ee5\u524d\u8ff0\u7684URL\u8fdb\u884c\u8bf7\u6c42\uff0c\u65e0\u9700\u8be6\u7ec6\u8bf4\u660eElasticsearch\u8bf7\u6c42\u7684\u76ee\u6807URL\u3002<\/p>\n<h4>\u6240\u6709\u6587\u5b57\u5b57\u7b26\u7684\u6570\u636e\u7c7b\u578b\u90fd\u662f\u5173\u952e\u5b57\uff08\u4e0d\u4f7f\u7528\u5168\u6587\u641c\u7d22\uff09\u3002<\/h4>\n<p>Elasticsearch\u5177\u6709\u5168\u6587\u641c\u7d22\u529f\u80fd\uff0c\u5b57\u7b26\u4e32\u6570\u636e\u662f\u5426\u53ef\u8fdb\u884c\u5168\u6587\u641c\u7d22\u53d6\u51b3\u4e8e\u5b57\u6bb5\u7684\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u901a\u5e38\u306e\u6587\u5b57\u5217 : Keyword<\/ul>\n<\/li>\n<\/ul>\n<p>\u5168\u6587\u691c\u7d22\u5bfe\u8c61 : Text<\/p>\n<p>\u5c3d\u7ba1\u5173\u7cfb\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\u4e5f\u53ef\u4ee5\u8fdb\u884c\u5168\u6587\u641c\u7d22\uff0c\u4f46\u4e0d\u540c\u7684RDBMS\u5904\u7406\u65b9\u5f0f\u6709\u8f83\u5927\u5dee\u5f02\uff0c\u6240\u4ee5\u5728\u6267\u884c\u5168\u6587\u641c\u7d22\u65f6\uff0c\u6211\u8ba4\u4e3a\u4e86\u89e3Elasticsearch\u4e13\u7528\u7684\u8bed\u6cd5\u4f5c\u4e3a\u641c\u7d22\u65b9\u6cd5\u6bd4\u4e0eSQL\u8fdb\u884c\u6bd4\u8f83\u66f4\u597d\u3002<br \/>\n\u56e0\u6b64\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5047\u8bbe\u6240\u6709\u7684\u5b57\u7b26\u4e32\u6570\u636e\u90fd\u662f\u5173\u952e\u5b57\uff08Keyword\uff09\u6570\u636e\u7c7b\u578b\u7684\u3002<\/p>\n<h1>\u53ea\u9700\u8f93\u5165\u65e0\u9650\u5236\u5730\u641c\u7d22\u3002<\/h1>\n<p>\u5728SQL\u4e2d\uff0c\u6ca1\u6709WHERE\u5b50\u53e5\u7684\u641c\u7d22\uff0c\u5728Elasticsearch\u4e2d\u53ef\u4ee5\u4f7f\u7528Match All Query\u8fdb\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"match_all\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>Elasticsearch\u7684\u641c\u7d22\u7ed3\u679c\u4f1a\u88ab\u5b58\u50a8\u5728\u4e00\u4e2a\u540d\u4e3a\u201chits\u201d\u7684\u5b57\u6bb5\u4e2d\u5e76\u8fd4\u56de\u3002<\/p>\n<h1>\u6307\u5b9a\u83b7\u53d6\u6570\u91cf\u548c\u83b7\u53d6\u8d77\u59cb\u4f4d\u7f6e<\/h1>\n<p>\u5728SQL\u4e2d\u4f7f\u7528LIMIT\uff08\u6216\u8005OFFSET\u6216\u8005ROWNUM\uff09\u6765\u6307\u5b9a\u83b7\u53d6\u7684\u6570\u91cf\u548c\u8d77\u59cb\u4f4d\u7f6e\uff0c\u5728Elasticsearch\u4e2d\u53ef\u4ee5\u4f7f\u7528From \/ Size\u6765\u5b9e\u73b0\u3002<\/p>\n<p>\u7531\u4e8eElasticsearch\u4f7f\u7528\u4e86from\u548csize\u4e24\u4e2a\u53c2\u6570\uff0c\u56e0\u6b64\u7ed9\u51fa\u4e86\u4e00\u4e2a\u793a\u4f8b\u6765\u6307\u5b9aLIMIT\u548cOFFSET\u3002\uff08\u8bf7\u6839\u636e\u9700\u8981\u5bf9\u5e94\u5730\u8c03\u6574\u4e3aRDBMS\uff09<br \/>\n\u4f8b\u5982\uff0c\u8981\u8df3\u8fc7\u524d5\u4e2a\u5e76\u4e14\u53ea\u83b7\u53d610\u4e2a\u8bb0\u5f55\uff0c\u53ef\u4ee5\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">LIMIT<\/span> <span class=\"mi\">10<\/span> <span class=\"k\">OFFSET<\/span> <span class=\"mi\">5<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"from\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">5<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"size\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span><span class=\"p\">,<\/span> \r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"match_all\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>Elasticsearch\u7684\u9ed8\u8ba4\u914d\u7f6e\u662f&#8221;from&#8221;: 0, &#8220;size&#8221;: 10\u3002<\/p>\n<h1>\u6307\u5b9a\u6240\u9700\u7684\u5217<\/h1>\n<p>\u5728SQL\u4e2d\uff0c\u8981\u6307\u5b9aSELECT\u8bed\u53e5\u4e2d\u7684\u63d0\u53d6\u5217\uff0c\u5728Elasticsearch\u4e2d\u4f7f\u7528Source\u8fc7\u6ee4\u529f\u80fd\u6765\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span>\r\n  <span class=\"n\">product_name<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">product_count<\/span> \r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"_source\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"s2\">\"product_name\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"s2\">\"product_count\"<\/span>\r\n  <span class=\"p\">],<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"match_all\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u522a\u9664\u91cd\u8907\u884c<\/h1>\n<p>\u5728SQL\u4e2d\u4f7f\u7528SELECT\u8bed\u53e5\u65f6\uff0c\u901a\u8fc7\u6307\u5b9aDISTINCT\u5173\u952e\u5b57\u6765\u5220\u9664\u91cd\u590d\u884c\uff0c\u5728Elasticsearch\u4e2d\u53ef\u4ee5\u4f7f\u7528Field Collapsing\u529f\u80fd\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"k\">DISTINCT<\/span>\r\n  <span class=\"n\">product_name<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"collapse\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_name\"<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"match_all\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u5728\u6570\u636e\u5e93\u4e2d\u641c\u7d22\u7b26\u5408\u6761\u4ef6\u7684\u6570\u636e\uff08\u4f7f\u7528WHERE\u5b50\u53e5\uff09\u3002<\/h1>\n<p>\u5728\u540e\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u63d0\u5230\u4e86\u7279\u5b9a\u6570\u636e\u7c7b\u578b\u7684\u60c5\u51b5\uff0c\u4f46\u662f\u5982\u679c\u8981\u6307\u5b9a\u5176\u4ed6\u6570\u636e\u7c7b\u578b\uff0c\u57fa\u672c\u4e0a\u4e5f\u662f\u7c7b\u4f3c\u7684\u3002<\/p>\n<h2>\u7b49\u65bc\u6307\u5b9a\u7684\u6578\u503c<\/h2>\n<p>\u5728SQL\u4e2d\uff0c\u67e5\u627e\u4e0e\u7279\u5b9a\u503c\u76f8\u7b49\u7684\u6570\u636e\u53ef\u4ee5\u4f7f\u7528Elasticsearch\u7684Term Query\u8fdb\u884c\u641c\u7d22\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_name<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u308a\u3093\u3054'<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"term\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\u308a\u3093\u3054\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u4e0e\u6307\u5b9a\u7684\u591a\u4e2a\u503c\u4e4b\u4e00\u76f8\u7b49\uff08IN\u53e5\uff09<\/h2>\n<p>\u5728SQL\u4e2d\u4f7f\u7528IN\u5b50\u53e5\u8fdb\u884c\u68c0\u7d22\uff0c\u5728Elasticsearch\u4e2d\u4f7f\u7528Terms Query\u8fdb\u884c\u68c0\u7d22\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_name<\/span> <span class=\"k\">IN<\/span> <span class=\"p\">(<\/span><span class=\"s1\">'\u308a\u3093\u3054'<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'\u306b\u3093\u3058\u3093'<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"terms\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"s2\">\"\u308a\u3093\u3054\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"s2\">\"\u306b\u3093\u3058\u3093\"<\/span>\r\n      <span class=\"p\">]<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u5305\u542b\u6307\u5b9a\u7684\u503c\uff08LIKE\u8bed\u53e5\uff09<\/h2>\n<p>\u5728SQL\u4e2d\uff0c\u4f7f\u7528LIKE\u53e5\u8fdb\u884c\u641c\u7d22\uff0c\u5728Elasticsearch\u4e2d\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u67e5\u8be2\uff08Wildcard Query\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_name<\/span> <span class=\"k\">LIKE<\/span> <span class=\"s1\">'%\u3058%'<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"wildcard\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"*\u3058*\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u6bd4\u6307\u5b9a\u7684\u503c\u5927(\u6216\u5c0f)\u3002<\/h2>\n<p>\u5728SQL\u4e2d\uff0c\u57fa\u4e8e\u6307\u5b9a\u503c\u7684\u5927\u5c0f\u6761\u4ef6\u641c\u7d22\uff0c\u5728Elasticsearch\u4e2d\u4f7f\u7528Range Query\u3002\u5927\u5c0f\u6761\u4ef6\u53ef\u6309\u4ee5\u4e0b\u65b9\u5f0f\u6307\u5b9a\u3002<\/p>\n<div>\n<div class=\"post-table\">SQLElasticsearchMEMO&gt;=gte<strong>G<\/strong>reater-<strong>T<\/strong>han or <strong>E<\/strong>qual to&gt;gt<strong>G<\/strong>reater-<strong>T<\/strong>han&lt;=lte<strong>L<\/strong>ess-<strong>T<\/strong>han or <strong>E<\/strong>qual to&lt;lt<strong>L<\/strong>ess-<strong>T<\/strong>han<\/div>\n<\/div>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_count<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">10<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"range\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"product_count\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"gte\"<\/span> <span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u591a\u4e2a\u6761\u4ef6\u7b26\u5408<\/h2>\n<p>\u5728SQL\u4e2d\uff0c\u6307\u5b9a\u591a\u4e2a\u6761\u4ef6\u8fdb\u884c\u641c\u7d22\u5728Elasticsearch\u4e2d\u4f7f\u7528Bool Query\u7684must\u548cshould\u3002\u591a\u4e2a\u6761\u4ef6\u53ef\u4ee5\u5982\u4e0b\u6307\u5b9a\u3002<\/p>\n<div>\n<div class=\"post-table\">SQLElasticsearchANDmustORshould<\/div>\n<\/div>\n<h3>\u5982\u679c\u662fAND\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b(\u5982\u679c\u662fAND\u6761\u4ef6\u7684\u60c5\u51b5\u4e0b)<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_name<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u308a\u3093\u3054'<\/span>\r\n  <span class=\"k\">AND<\/span> <span class=\"n\">product_count<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">10<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"bool\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"must\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"term\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\u308a\u3093\u3054\"<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"range\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"product_count\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n              <span class=\"nl\">\"gte\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n            <span class=\"p\">}<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">]<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5982\u679c\u662fOR\u6761\u4ef6\u7684\u60c5\u51b5<\/h3>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_name<\/span><span class=\"o\">=<\/span> <span class=\"s1\">'\u308a\u3093\u3054'<\/span>\r\n   <span class=\"k\">OR<\/span> <span class=\"n\">product_count<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">10<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"bool\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"should\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"term\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\u308a\u3093\u3054\"<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"range\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"product_count\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n              <span class=\"nl\">\"gte\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n            <span class=\"p\">}<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">]<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5728AND\u548cOR\u7684\u7ec4\u5408\u60c5\u51b5\u4e0b<\/h3>\n<p>\u901a\u8fc7\u5728 Bool Query \u4e2d\u5d4c\u5957 Bool Query\uff0c\u53ef\u4ee5\u5b9e\u73b0 AND \u548c OR \u7684\u7ec4\u5408\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_count<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"mi\">10<\/span>\r\n  <span class=\"k\">AND<\/span> <span class=\"p\">(<\/span><span class=\"n\">product_name<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u308a\u3093\u3054'<\/span> <span class=\"k\">OR<\/span> <span class=\"n\">product_price<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">100<\/span><span class=\"p\">)<\/span> \r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"bool\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"must\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"range\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"count\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n              <span class=\"nl\">\"gte\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n            <span class=\"p\">}<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"bool\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"should\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n              <span class=\"p\">{<\/span>\r\n                <span class=\"nl\">\"term\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n                  <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\u308a\u3093\u3054\"<\/span>\r\n                <span class=\"p\">}<\/span>\r\n              <span class=\"p\">},<\/span>\r\n              <span class=\"p\">{<\/span>\r\n                <span class=\"nl\">\"term\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n                  <span class=\"nl\">\"product_price\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">100<\/span>\r\n                <span class=\"p\">}<\/span>\r\n              <span class=\"p\">}<\/span>\r\n            <span class=\"p\">]<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">]<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e2d\u6587\u4e2d\u8fdb\u884c\u66f4\u591a\u7684\u53e5\u5b50\u91cd\u8ff0\u4ee5\u83b7\u5f97\u76f8\u540c\u7684\u641c\u7d22\u7ed3\u679c\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528minimum_should_match\u53c2\u6570\u6765\u5b9e\u73b0\u3002\u7136\u800c\uff0c\u4e0eSQL\u76f8\u6bd4\uff0c\u6211\u8ba4\u4e3a\u524d\u9762\u63d0\u5230\u7684\u65b9\u6cd5\u66f4\u6613\u7406\u89e3\u3002<\/p>\n<h2>\u4e0d\u7b26\u5408\u6307\u5b9a\u6761\u4ef6<\/h2>\n<p>\u5728SQL\u4e2d\uff0c\u5982\u679c\u4e0d\u7b26\u5408\u6307\u5b9a\u6761\u4ef6\u7684\u641c\u7d22\uff0c\u5219\u5728Elasticsearch\u4e2d\u4f7f\u7528Bool Query\u7684must_not\u8fdb\u884c\u641c\u7d22\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_name<\/span> <span class=\"o\">&lt;&gt;<\/span> <span class=\"s1\">'\u308a\u3093\u3054'<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"bool\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"must_not\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n        <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"term\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\u308a\u3093\u3054\"<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">]<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u5bf9\u83b7\u53d6\u7684\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff08\u4f7f\u7528ORDER BY\u5b50\u53e5\uff09<\/h1>\n<p>\u5728SQL\u4e2d\u4f7f\u7528ORDER BY\u5b50\u53e5\u8fdb\u884c\u6392\u5e8f\uff0c\u800c\u5728Elasticsearch\u4e2d\u5219\u4f7f\u7528Sort\u529f\u80fd\u8fdb\u884c\u6392\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">ORDER<\/span> <span class=\"k\">BY<\/span> <span class=\"n\">product_name<\/span> <span class=\"k\">ASC<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"match_all\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"sort\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"order\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"asc\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">]<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u5bf9\u6570\u636e\u8fdb\u884c\u6c47\u603b<\/h1>\n<p>\u5728Elasticsearch\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Aggregations\u8fdb\u884c\u6570\u636e\u805a\u5408\u3002\u4e0e\u641c\u7d22\u76f8\u6bd4\uff0cElasticsearch\u6709\u4e00\u4e9b\u7279\u6b8a\u7684\u8bed\u6cd5\uff0c\u53ef\u80fd\u4f1a\u6709\u4e9b\u96be\u4ee5\u7406\u89e3\uff0c\u4f46\u57fa\u672c\u7684\u8bed\u6cd5\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"{Aggregation\u540d(\u308f\u304b\u308a\u3084\u3059\u3051\u308c\u3070\u4f55\u3067\u3082OK)}\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"{Aggregation\u306e\u7a2e\u985e}\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>Elasticsearch\u7684\u805a\u5408\u7ed3\u679c\u4f1a\u5b58\u50a8\u5728aggregations\u5b57\u6bb5\u4e2d\u8fd4\u56de\uff0c\u800c\u4e0d\u662fhits\u5b57\u6bb5\u3002<br \/>\n\u641c\u7d22\u7ed3\u679c\u901a\u5e38\u4f1a\u4e00\u8d77\u5b58\u50a8\u5728hits\u5b57\u6bb5\u4e2d\u8fd4\u56de\uff0c\u5982\u679c\u4e0d\u9700\u8981\u641c\u7d22\u7ed3\u679c\u7684\u8bdd\uff0c\u53ef\u4ee5\u5c06size\u8bbe\u4e3a0\u6765\u6307\u5b9a\u3002<\/p>\n<h2>\u8ba1\u7b97\u6307\u5b9a\u5217\u7684\u5e73\u5747\u503c\u4e0e\u6700\u5927\u503c\uff08\u6c47\u603b\u51fd\u6570\uff09\u3002<\/h2>\n<p>\u5728SQL\u4e2d\uff0c\u4f7f\u7528\u805a\u5408\u51fd\u6570\u8fdb\u884c\u6570\u636e\u805a\u5408\uff0c\u5728Elasticsearch\u4e2d\u4f7f\u7528Metrics Aggregations\u5b9e\u73b0\u3002<br \/>\n\u4ee5\u4e0b\u662fSQL\u7684\u805a\u5408\u51fd\u6570\u4e0eElasticsearch\u7684\u5bf9\u5e94\u5217\u8868\u3002<\/p>\n<div>\n<div class=\"post-table\">SQLElasticsearchAVG<a href=\"https:\/\/www.elastic.co\/guide\/en\/elasticsearch\/reference\/current\/search-aggregations-metrics-avg-aggregation.html\" target=\"_blank\" rel=\"nofollow noopener\">Avg Aggregation<\/a>MAX<a href=\"https:\/\/www.elastic.co\/guide\/en\/elasticsearch\/reference\/current\/search-aggregations-metrics-max-aggregation.html\" target=\"_blank\" rel=\"nofollow noopener\">Max Aggregation<\/a>MIN<a href=\"https:\/\/www.elastic.co\/guide\/en\/elasticsearch\/reference\/current\/search-aggregations-metrics-min-aggregation.html\" target=\"_blank\" rel=\"nofollow noopener\">Min Aggregation<\/a>SUM<a href=\"https:\/\/www.elastic.co\/guide\/en\/elasticsearch\/reference\/current\/search-aggregations-metrics-sum-aggregation.html\" target=\"_blank\" rel=\"nofollow noopener\">Sum Aggregation<\/a><\/div>\n<\/div>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span>\r\n  <span class=\"k\">AVG<\/span><span class=\"p\">(<\/span><span class=\"n\">product_count<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"product_count_avg\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"avg\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_count\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u6309\u7167\u5177\u6709\u76f8\u540c\u6570\u503c\u7684\u6570\u636e\u8fdb\u884c\u6c47\u603b\uff08\u4f7f\u7528GROUP BY\u5b50\u53e5\uff09\u3002<\/h2>\n<p>\u5728Elasticsearch\u4e2d\uff0c\u4f7f\u7528Terms Aggregation\u6765\u6267\u884c\u7c7b\u4f3c\u4e8eSQL\u4e2d\u7684GROUP BY\u8bed\u53e5\u7684\u6570\u636e\u6c47\u603b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span>\r\n  <span class=\"n\">product_name<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">GROUP<\/span> <span class=\"k\">BY<\/span> <span class=\"n\">product_name<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"product_name_aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"terms\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_name\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"size\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u672f\u8bed\u805a\u5408\u8ba1\u7b97\u7684\u7ed3\u679c\u5c06\u88ab\u6c47\u603b\u5230\u6307\u5b9a\u7684\u524dN\u4e2a\u6761\u76ee\u4e2d\uff08\u4f8b\u5982\uff0c10\u4e2a\uff09\u3002<\/p>\n<p>\u5982\u679c\u60f3\u4e0e\u805a\u5408\u51fd\u6570\u7ed3\u5408\u4f7f\u7528\uff0c\u9700\u8981\u5c06Aggregation\u5d4c\u5957\u8d77\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span>\r\n  <span class=\"k\">AVG<\/span><span class=\"p\">(<\/span><span class=\"n\">product_count<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">GROUP<\/span> <span class=\"k\">BY<\/span> <span class=\"n\">product_name<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"product_name_aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"terms\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_name\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"size\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"product_count_avg\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"avg\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_count\"<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u6839\u636e\u6307\u5b9a\u6761\u4ef6\u8fdb\u884c\u6570\u636e\u6c47\u603b\uff08\u4e0eWHERE\u5b50\u53e5\u7ed3\u5408\u4f7f\u7528\uff09<\/h2>\n<p>\u5982\u679c\u4f60\u60f3\u7b5b\u9009\u51fa\u7279\u5b9a\u7684\u539f\u59cb\u6570\u636e\u5e76\u8fdb\u884c\u6c47\u603b\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4e0e\u67e5\u8be2\u8bed\u53e5(query)\u7ed3\u5408\u6765\u5b9e\u73b0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span>\r\n  <span class=\"k\">AVG<\/span><span class=\"p\">(<\/span><span class=\"n\">product_count<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">WHERE<\/span> <span class=\"n\">product_name<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'\u308a\u3093\u3054'<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"size\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"query\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"term\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"product_name\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"value\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\u308a\u3093\u3054\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"product_count_avg\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"avg\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_count\"<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6709\u70b9\u96be\u7406\u89e3, \u4f46\u662f\u901a\u8fc7\u67e5\u8be2\u7b5b\u9009\u7684\u7ed3\u679c\u5c06\u88ab\u8fd4\u56de\u5230hits\u4e2d, \u800c\u6c47\u603b\u7ed3\u679c\u5c06\u88ab\u8fd4\u56de\u5230aggregations\u4e2d, \u5b83\u4eec\u662f\u4e24\u4e2a\u4e0d\u540c\u7684\u9879\u76ee\u3002<br \/>\n\u5982\u679c\u53ea\u9700\u8981\u83b7\u53d6\u6c47\u603b\u7ed3\u679c, \u53ef\u4ee5\u901a\u8fc7\u50cf\u4e0a\u9762\u7684\u793a\u4f8b\u4e00\u6837\u5728size\u4e2d\u6307\u5b9a0, \u8fd9\u6837\u5c06\u4e0d\u4f1a\u6709\u4efb\u4f55\u8fd4\u56de\u5230hits\u4e2d, \u4ece\u800c\u51cf\u8f7b\u4e86\u54cd\u5e94\u6570\u636e\u7684\u8d1f\u62c5\u3002<br \/>\n\uff08aggregations\u5c06\u4f1a\u8fd4\u56de\u6839\u636e\u67e5\u8be2\u6761\u4ef6\u5339\u914d\u7684\u6570\u636e\u8fdb\u884c\u6c47\u603b\u7684\u7ed3\u679c\uff09<\/p>\n<h1>\u5bf9\u4e8e\u96c6\u8ba1\u7ed3\u679c\u8fdb\u884c\u6761\u4ef6\u6307\u5b9a\uff08\u4f7f\u7528HAVING\u5b50\u53e5\uff09\u3002<\/h1>\n<p>\u5728Elasticsearch\u4e2d\uff0c\u4f7f\u7528Bucket Selector\u805a\u5408\u8fdb\u884c\u68c0\u7d22\u5bf9\u5e94\u4e8eSQL\u4e2d\u4f7f\u7528HAVING\u5b50\u53e5\u5bf9\u805a\u5408\u7ed3\u679c\u7684\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">SELECT<\/span>\r\n  <span class=\"n\">product_name<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"k\">SUM<\/span><span class=\"p\">(<\/span><span class=\"n\">product_count<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">FROM<\/span> <span class=\"n\">product<\/span>\r\n<span class=\"k\">GROUP<\/span> <span class=\"k\">BY<\/span> <span class=\"n\">product_name<\/span>\r\n<span class=\"k\">HAVING<\/span> <span class=\"k\">SUM<\/span><span class=\"p\">(<\/span><span class=\"n\">product_count<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"mi\">10<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"product_name_aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"terms\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_name\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"nl\">\"size\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"nl\">\"aggs\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nl\">\"product_count_sum\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"sum\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"field\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_count\"<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">},<\/span>\r\n        <span class=\"nl\">\"product_count_sum_bucket\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"nl\">\"bucket_selector\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nl\">\"buckets_path\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n              <span class=\"nl\">\"count_sum\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"product_count_sum\"<\/span>\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"nl\">\"script\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"params.count_sum &gt; 10\"<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728buckets_path\u4e2d\u6307\u5b9a\u8981\u8fdb\u884c\u7b5b\u9009\u6761\u4ef6\u7684\u5b57\u6bb5\u3002<br \/>\n\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06product_count_sum\u4f5c\u4e3a\u7b49\u4ef7\u4e8eSUM(product_count)\u7684\u6761\u4ef6\u6307\u5b9a\u5bf9\u8c61\u3002<\/p>\n<p>\u5728\u811a\u672c\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5199\u5165\u7b5b\u9009\u6761\u4ef6\u3002<br \/>\n\u5982\u679c\u60a8\u60f3\u8981\u4f7f\u7528\u5728buckets_path\u4e2d\u6307\u5b9a\u7684\u503c\uff0c\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u53d8\u91cf\u540d\u4e3aparams.count_sum\u6765\u5b9e\u73b0\u3002<br \/>\nparams\u662f\u7528\u4e8e\u5f15\u7528\u6267\u884c\u67e5\u8be2\u4e2d\u7684\u53d8\u91cf\u7684\u6307\u5b9a\u503c\u3002<\/p>\n<h1>\u5176\u4ed6\u7684\u4f8b\u5b50\u5305\u62ecJOIN\u548c\u5b50\u67e5\u8be2\u3002<\/h1>\n<p>\u7531\u4e8eElasticsearch\u4e0d\u662f\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u6240\u4ee5\u5f88\u9057\u61be\u5730\u6ca1\u6709\u50cfJOIN\u548c\u5b50\u67e5\u8be2\u4e00\u6837\u7684\u529f\u80fd\u3002<br \/>\n\u4e3a\u4e86\u80fd\u591f\u6210\u529f\u641c\u7d22\uff0c\u60a8\u9700\u8981\u5c06\u6570\u636e\u901a\u8fc7\u975e\u89c4\u8303\u5316\u6216\u4f7f\u7528Nested\u6570\u636e\u7c7b\u578b\u6765\u5d4c\u5957\u6570\u636e\u8fdb\u884c\u6ce8\u518c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u5927\u81f4\u603b\u7ed3\u4e86\u6709\u5173SQL\u548cElasticsearch\u67e5\u8be2\u7684\u5e38\u89c1\u7528\u6cd5\uff0c\u5404\u81ea\u662f\u5982\u4f55\u5bf9\u5e94\u7684\u3002 \u73af\u5883 Elasticse [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40613","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SQL\u548cElasticsearch\u67e5\u8be2\u7684\u5bf9\u6bd4 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/sql\u548celasticsearch\u67e5\u8be2\u7684\u5bf9\u6bd4\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL\u548cElasticsearch\u67e5\u8be2\u7684\u5bf9\u6bd4\" \/>\n<meta property=\"og:description\" content=\"\u6211\u5927\u81f4\u603b\u7ed3\u4e86\u6709\u5173SQL\u548cElasticsearch\u67e5\u8be2\u7684\u5e38\u89c1\u7528\u6cd5\uff0c\u5404\u81ea\u662f\u5982\u4f55\u5bf9\u5e94\u7684\u3002 \u73af\u5883 Elasticse [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/sql\u548celasticsearch\u67e5\u8be2\u7684\u5bf9\u6bd4\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-04T03:49:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T22:36:59+00:00\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\n\t<meta name=\"twitter:label2\" 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