{"id":6088,"date":"2026-05-29T20:07:00","date_gmt":"2026-05-29T12:07:00","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=6088"},"modified":"2026-05-29T17:08:50","modified_gmt":"2026-05-29T09:08:50","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8hive-sql%e4%b8%ad%e6%9e%84%e9%80%a0%e4%b8%b4%e6%97%b6%e8%a1%a8%e7%94%a8%e4%ba%8e%e5%92%8c%e5%85%b6%e5%ae%83%e7%9a%84%e8%a1%a8%e5%81%9a%e5%85%b3%e8%81%94%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/6088.html","title":{"rendered":"\u5982\u4f55\u5728Hive SQL\u4e2d\u6784\u9020\u4e34\u65f6\u8868\u7528\u4e8e\u548c\u5176\u5b83\u7684\u8868\u505a\u5173\u8054\uff1f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">=Start=<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7f18\u7531\uff1a<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u867d\u7136\u73b0\u5728\u5927\u6a21\u578b\u7684\u80fd\u529b\u771f\u7684\u5f88\u5f3a\u4e86\uff0c\u7edd\u5927\u90e8\u5206\u95ee\u9898\u53ea\u8981\u4f60\u63cf\u8ff0\u7684\u591f\u6e05\u695a\u5927\u6a21\u578b\u90fd\u80fd\u591f\u5feb\u901f\u7684\u7ed9\u4f60\u89e3\u51b3\u65b9\u6cd5\/\u65b9\u6848\u3002\u4f46\u662f\u4e3a\u4e86\u8ba9\u535a\u5ba2\u4e0d\u81f3\u4e8e\u7ee7\u7eed\u8352\u829c\u4e0b\u53bb\uff0c\u8fd8\u662f\u5f97\u65f6\u4e0d\u65f6\u7684\u8bb0\u5f55\u4e00\u4e9b\u5185\u5bb9\uff0c\u65b9\u4fbf\u81ea\u5df1\u53c2\u8003\u548c\u56de\u987e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b63\u6587\uff1a<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n\n\n\n<h4 class=\"wp-block-heading\">\u95ee\u9898\uff1a\u5bf9\u4e8e50\u4e2a\u5de6\u53f3\u7684uid\u548cemail\u7684\u6620\u5c04\u5173\u7cfb\u4fe1\u606f\uff0c\u5982\u4f55\u5728hive SQL\u4e2d\u6784\u9020\u4e34\u65f6\u8868\u7528\u4e8e\u548c\u5176\u5b83\u7684\u8868\u505a\u5173\u8054\uff1f<\/h4>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-c8739dd2eaae267a6c0787fe2c37b1d3 wp-block-paragraph\">\u89e3\u7b54\uff1a<br><strong>\u5bf9\u4e8e 50 \u4e2a\u5de6\u53f3\u7684 uid-email \u6620\u5c04\u5173\u7cfb\uff0c\u5728 Hive SQL \u91cc\u6700\u9002\u5408\u7684\u505a\u6cd5\u662f\uff1a\u76f4\u63a5\u5728 SQL \u4e2d\u6784\u9020\u4e00\u4e2a\u5c0f\u578b\u4e34\u65f6\u6620\u5c04\u8868\uff0c\u518d\u53bb join \u76ee\u6807\u8868\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u89c4\u6a21\u4e0b\uff0c\u4e0d\u9700\u8981\u5355\u72ec\u843d\u8868\uff0c\u901a\u5e38\u63a8\u8350\u4e24\u79cd\u5199\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-vivid-red-color has-text-color has-link-color wp-elements-2d3d13efa4578e2620831de4266c16f9\">stack\uff1a\u6700\u6574\u9f50\uff0c\u6700\u9002\u5408\u4e8c\u7ef4\u6620\u5c04<\/li>\n\n\n\n<li class=\"has-vivid-red-color has-text-color has-link-color wp-elements-cd99d25917140452b4434baba80a7b8b\">union all\uff1a\u517c\u5bb9\u6027\u597d\uff0c\u4fbf\u4e8e\u624b\u5de5\u589e\u5220<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u53ea\u662f\u4e00\u6b21\u6027\u5206\u6790\uff0c\u4f18\u5148\u63a8\u8350 stack\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u5199\u6cd5\u4e00\uff1astack<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u62a5\u9519\u7248\u672c\nwith uid_email_map as (\n    select stack(\n        3,\n        '10001', 'user1@company.com',\n        '10002', 'user2@company.com',\n        '10003', 'user3@company.com'\n    ) as (uid, email)\n)\nselect  m.email\n-- ,t.*\nfrom    uid_email_map m\n-- join    some_db.some_table t\n-- on      m.uid = t.uid;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u62a5\u9519\u4fe1\u606f\uff1a<br>Sql 1: From line 2, column 12 to line 7, column 5: <strong>TABLE Function &#8216;stack&#8217; should not use in select list directly, please use lateral view instead<\/strong><\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-89037a3cadd267e2f67513e0adccd014 wp-block-paragraph\">\u62a5\u9519\u6839\u56e0\uff1a<br><strong>\u5728 HIVE \u91cc\uff0cstack() \u5c5e\u4e8e UDTF \/ TABLE Function\uff0c\u4e0d\u80fd\u50cf\u666e\u901a\u6807\u91cf\u51fd\u6570\u4e00\u6837\u76f4\u63a5\u5199\u5728 select \u5217\u8868\u4e2d\uff0c\u9700\u8981\u4f7f\u7528 lateral view \u8fdb\u884c\u5c55\u5f00<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6539\u8fdb\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>with uid_email_map as (\n    select  s.uid,\n            s.email\n    from    (select 1) tmp\n    lateral view stack(\n        3,\n        '10001', 'user1@company.com',\n        '10002', 'user2@company.com',\n        '10003', 'user3@company.com'\n    ) s as uid, email\n)\n\nselect  m.email\n-- ,t.*\nfrom    uid_email_map m\n-- join    some_db.some_table t\n-- on      m.uid = t.uid;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u5199\u6cd5\u4e8c\uff1aunion all<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>with uid_email_map as (\n              select 10001 as uid, 'a@xx.com' as email\n    union all select 10002 as uid, 'b@xx.com' as email\n    union all select 10003 as uid, 'c@xx.com' as email\n)\nselect  m.uid\n        ,m.email\n        -- ,t.*\nfrom    uid_email_map m\n-- join    target_table t\n-- on      m.uid = t.uid;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u6269\u5c55\u4fe1\u606f<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Hive SQL\u4e2d\uff0c\u5982\u4f55\u5feb\u901f\u7684\u5c06\u4e00\u6279\u6570\u5b57ID\u548c\u5176\u5b83\u7684\u6570\u636e\u8868\u8fdb\u884c\u5173\u8054\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u73b0\u5728\u7684\u5199\u6cd5\u53ef\u4ee5\u7528\uff0c\u4f46\u5f53 ID \u6570\u91cf\u8f83\u591a\u65f6\uff0c\u4e0d\u5efa\u8bae\u628a\u6240\u6709 ID \u62fc\u6210\u4e00\u4e2a\u957f\u5b57\u7b26\u4e32\u518d split + explode\u3002\u66f4\u63a8\u8350\u6309\u573a\u666f\u9009\u62e9\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u573a\u666f<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u63a8\u8350\u65b9\u5f0f<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u51e0\u4e2a\u5230\u51e0\u5341\u4e2a ID<\/td><td class=\"has-text-align-left\" data-align=\"left\">IN (\u2026)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6700\u7b80\u5355\uff0c\u9002\u5408\u4e34\u65f6\u67e5\u8be2<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u51e0\u5341\u5230\u51e0\u5343\u4e2a ID<\/td><td class=\"has-text-align-left\" data-align=\"left\">stack \/ union all \u6784\u9020\u4e34\u65f6\u8868<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u53ef\u8bfb\u6027\u548c\u7c7b\u578b\u63a7\u5236\u66f4\u597d<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u51e0\u5343\u5230\u51e0\u5341\u4e07 ID<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e0a\u4f20\u6210\u4e34\u65f6\u8868 \/ \u5206\u533a\u8868\u540e join<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6700\u7a33\u5b9a\u3001\u6700\u9002\u5408\u751f\u4ea7\u6216\u91cd\u590d\u4f7f\u7528<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">ID \u6765\u81ea\u6587\u4ef6<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5efa\u5916\u90e8\u8868\u6216\u4e34\u65f6\u843d\u8868<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u907f\u514d SQL \u8fc7\u957f\u3001\u89e3\u6790\u6162<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">ID \u96c6\u5408\u9700\u8981\u9891\u7e41\u590d\u7528<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u7ef4\u62a4\u4e00\u5f20\u7ef4\u8868 \/ \u767d\u540d\u5355\u8868<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6700\u89c4\u8303\uff0c\u4fbf\u4e8e\u6743\u9650\u3001\u5ba1\u8ba1\u548c\u590d\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u4e49\u5343\u95ee<br><a href=\"https:\/\/www.qianwen.com\/\">https:\/\/www.qianwen.com\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a 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