{"id":111,"date":"2020-06-09T10:38:11","date_gmt":"2020-06-09T02:38:11","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=111"},"modified":"2022-08-26T16:06:20","modified_gmt":"2022-08-26T08:06:20","slug":"gbase-8a%e9%9b%86%e7%be%a4%e6%9f%a5%e7%9c%8b%e8%87%aa%e5%ae%9a%e4%b9%89%e5%87%bd%e6%95%b0%e5%92%8cc%e7%bc%96%e5%86%99%e7%9a%84udf","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/111","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u96c6\u7fa4\u67e5\u770b\u81ea\u5b9a\u4e49\u51fd\u6570\u548cC\u7f16\u5199\u7684UDF"},"content":{"rendered":"<p>GBase 8a\u6570\u636e\u5e93\u96c6\u7fa4\uff0c\u9664\u4e86\u652f\u6301SQL\u7f16\u5199\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\u5916\uff0c\u4e5f\u652f\u6301C\u7f16\u5199\u7684\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u6765\u63d0\u9ad8\u4e00\u4e9b\u8fd0\u7b97\u7684\u6548\u7387\u3002\u6570\u636e\u5e93\u63d0\u4f9b\u4e86\u5143\u6570\u636e\u8868gbase.func\uff0c\u65b9\u4fbf\u67e5\u770b\u5f53\u524d\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2b0bcdca4da\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2b0bcdca4da\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/111\/#%E6%9D%83%E9%99%90\" >\u6743\u9650<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/111\/#%E5%85%83%E6%95%B0%E6%8D%AE\" >Metadata<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/111\/#%E6%96%87%E4%BB%B6%E4%BD%8D%E7%BD%AE\" >\u6587\u4ef6\u4f4d\u7f6e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/111\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9D%83%E9%99%90\"><\/span>\u6743\u9650<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8fd9\u7c7b\u51fd\u6570\u7c7b\u4f3c\u5168\u5c40\u5185\u7f6e\u51fd\u6570\uff0c\u4e0d\u5c5e\u4e8e\u4efb\u4f55\u5e93\u6216\u8005\u7528\u6237\uff0c\u6240\u4ee5\u6ca1\u6709\u6743\u9650\u63a7\u5236\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%85%83%E6%95%B0%E6%8D%AE\"><\/span>Metadata<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>select * from gbase.func<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"633\" height=\"178\" src=\"http:\/\/www.gbase8.cn\/wp-content\/uploads\/2020\/06\/image-42.png\" alt=\"\" class=\"wp-image-112\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u4fdd\u5b58\u7684\u662fUDF\u51fd\u6570\u4fe1\u606f\uff0c\u4e3aC\u7f16\u5199\u3002\u5176\u4e2ddl\u662f\u6839\u636e\u539f\u59cbso\u6587\u4ef6\u751f\u6210\u7684\u65b0\u7684so\u6587\u4ef6\uff0c\u4ee5\u4fbf\u52a8\u6001\u66f4\u65b0UDF\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%96%87%E4%BB%B6%E4%BD%8D%E7%BD%AE\"><\/span>\u6587\u4ef6\u4f4d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u76f8\u540cname\u7684UDF\u4f7f\u7528\u7684so\u6587\u4ef6\u540d\uff0c\u5728\u6bcf\u4e2a\u8282\u70b9\u7684gcluster\u548cgnode\u7684\u8fd9\u4e2a\u5143\u6570\u636e\u8868\u91cc\uff0c\u5fc5\u987b\u5b8c\u5168\u76f8\u540c\u3002 \u6807\u51c6SQL\u7f16\u5199\u7684\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u5728gbsse.proc\u5143\u6570\u636e\u8868\u91cc\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5176\u5b83\u5143\u6570\u636e\u4fe1\u606f\u8bf7\u53c2\u8003\u3001<\/p>\n\n\n\n<p><a href=\"http:\/\/www.gbase8.cn\/en\/?tag=%e5%85%83%e6%95%b0%e6%8d%ae\">http:\/\/www.gbase8.cn\/?tag=%e5%85%83%e6%95%b0%e6%8d%ae<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 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