{"id":5496,"date":"2021-04-22T10:21:18","date_gmt":"2021-04-22T02:21:18","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=5496"},"modified":"2021-04-25T08:17:18","modified_gmt":"2021-04-25T00:17:18","slug":"greenplum-7%e7%9a%84%e6%96%b0%e7%89%88%e6%9c%ac%e7%89%b9%e6%80%a7%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/5496","title":{"rendered":"GreenPlum(GP) 7\u7684\u65b0\u7248\u672c\u7279\u6027\u4ecb\u7ecd"},"content":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecd\u76ee\u524d\u4e86\u89e3\u5230\u7684GreenPlum 7\u7684\u65b0\u7248\u672c\u7279\u6027\uff0c\u5305\u62ecBRIN\u7d22\u5f15\uff0c\u6269\u5c55\u7684\u7edf\u8ba1\u5206\u6790\uff0cUpSert, JIT\u7f16\u8bd1\uff0c\u65b0\u7684\u5206\u533a\u8868\uff0cAM\u4ee5\u53ca\u5b58\u50a8\u8fc7\u7a0b\u5185\u90e8\u652f\u6301\u4e8b\u52a1\u7b49\u65b9\u9762\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-6a2b29f2444c1\" 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-6a2b29f2444c1\"  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\/5496\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/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\/5496\/#%E7%89%B9%E6%80%A7%E6%80%BB%E7%BB%93\" >\u7279\u6027\u603b\u7ed3<\/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\/5496\/#BRIN%E7%A8%80%E7%96%8F%E7%B4%A2%E5%BC%95\" >BRIN\u7a00\u758f\u7d22\u5f15<\/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\/5496\/#Extended_Statistics_%E9%A2%9D%E5%A4%96%E7%9A%84%E7%BB%9F%E8%AE%A1%E5%88%86%E6%9E%90\" >Extended Statistics \u989d\u5916\u7684\u7edf\u8ba1\u5206\u6790<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/5496\/#UpSert\" >UpSert<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/5496\/#on_conflict_do_nothing\" >on conflict do nothing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/5496\/#ON_CONFLICT_DO_UPDATE\" >ON CONFLICT DO UPDATE<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbase8.cn\/en\/5496\/#JIT%E7%BC%96%E8%AF%91\" >JIT\u7f16\u8bd1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.gbase8.cn\/en\/5496\/#Partitioned_Tables_%E6%96%B0%E7%9A%84%E5%88%86%E5%8C%BA%E8%A1%A8\" >Partitioned Tables \u65b0\u7684\u5206\u533a\u8868<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.gbase8.cn\/en\/5496\/#Table_Access_Method%EF%BC%88AM%EF%BC%89\" >Table Access Method\uff08AM\uff09<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.gbase8.cn\/en\/5496\/#%E5%AD%98%E5%82%A8%E8%BF%87%E7%A8%8B%E4%B8%AD%E7%9A%84%E4%BA%8B%E5%8A%A1\" >\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u4e8b\u52a1<\/a><\/li><\/ul><\/nav><\/div>\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><a href=\"https:\/\/www.bilibili.com\/video\/BV1nV411h7Zv\/?aid=415632377&amp;cid=269662128&amp;page=1\">https:\/\/www.bilibili.com\/video\/BV1nV411h7Zv\/?aid=415632377&amp;cid=269662128&amp;page=1<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%89%B9%E6%80%A7%E6%80%BB%E7%BB%93\"><\/span>\u7279\u6027\u603b\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ol class=\"wp-block-list\" type=\"1\"><li>\u7a00\u758f\u7d22\u5f15(Block Range Index BRIN)\uff0c\u901a\u8fc7pages_per_range\u63a7\u5236\u8303\u56f4<\/li><li>\u989d\u5916\u7684\u6269\u5c55\u7edf\u8ba1\u5206\u6790\uff1a\u591a\u5217\u4e4b\u95f4\u5173\u7cfb\uff0c\u63d0\u5347\u6267\u884c\u8ba1\u5212\u8bc4\u4f30\u51c6\u786e\u5ea6<\/li><li>UpSert, \u4e00\u4e2aSQL\u5728\u6267\u884c\u5931\u8d25\u540e\uff0c\u53ef\u4ee5\u6307\u5b9a\u884c\u4e3a\u3002\u770b\u4f8b\u5b50\u7c7b\u4f3cMerge \u6bd4\u5982Insert\u65f6\u4e3b\u952e\u51b2\u7a81\u5982ON CONFLICT DO NOTHING \u5565\u90fd\u4e0d\u505a\u5ffd\u7565\uff0c\u6216\u8005ON CONFLICT DO UPDATE \u505a\u66f4\u65b0\u3002<\/li><li>JIT\u7f16\u8bd1\uff0c\u63d0\u5347CPU\u76f8\u5173\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u5c45\u4e8eCOST\u786e\u8ba4\u662f\u5426\u5f00\u542f\uff0c\u6027\u80fd23\u79d2\u63d0\u5347\u523013\u79d2\uff0c\u63a5\u8fd140%\u3002<\/li><li>\u5206\u533a\u8868\u3002\u5b50\u5206\u533a\u662f\u9876\u7ea7\u8868\uff0c\u652f\u6301attach\u548cdeattch\u5c06\u9876\u5c42\u8868\uff0c\u6302\u5230\u5206\u533a\u8868\uff0c\u4e14\u540c\u7ea7\u5b50\u5206\u533a\u7684\u65b9\u5f0f\u53ef\u4ee5\u4e0d\u540c\u3002<\/li><li>Table Access Method\uff08AM\uff09\u3002\u628a\u6267\u884c\u5668\u548c\u5b58\u50a8\u5f15\u64ce\u4e4b\u95f4\u9ad8\u5ea6\u7684\u62bd\u8c61\u5316\u3002\u6ca1\u770b\u5230\u5177\u4f53\u5f71\u54cd\u3002<\/li><li>\u652f\u6301\u5728\u5b58\u50a8\u8fc7\u7a0b\u5185\u90e8\u505a\u4e8b\u52a1\u63d0\u4ea4\u548c\u56de\u6eda\u3002<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BRIN%E7%A8%80%E7%96%8F%E7%B4%A2%E5%BC%95\"><\/span>BRIN\u7a00\u758f\u7d22\u5f15<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u6307\u5b9a\u8303\u56f4\u5185\uff0c\u8bb0\u5f55\u6570\u636e\u7684\u6700\u5927\u503c\uff0c\u6700\u5c0f\u503c\u7b49\u4fe1\u606f\uff0c\u6765\u63d0\u5347\u626b\u63cf\u7684\u6548\u7387\u3002\u548cGBase\u7684\u667a\u80fd\u7d22\u5f15\uff0cClick\u7684\u7a00\u758f\u7d22\u5f15\u4e00\u81f4\u3002\u63d0\u4f9b\u4e86\u53c2\u6570\u6307\u5b9a\u7d22\u5f15\u8303\u56f4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"308\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-10.png\" alt=\"\" class=\"wp-image-5498\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 BRIN\u7a00\u758f\u7d22\u5f15<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Extended_Statistics_%E9%A2%9D%E5%A4%96%E7%9A%84%E7%BB%9F%E8%AE%A1%E5%88%86%E6%9E%90\"><\/span>Extended Statistics \u989d\u5916\u7684\u7edf\u8ba1\u5206\u6790<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5206\u6790\u4e0d\u540c\u5217\u4e4b\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb,\u6bd4\u5982\u5730\u5740\u548c\u90ae\u7f16\uff0c\u662f\u6709\u5173\u8054\u7684\u30022\u4e2a\u5217\u505adistinct\u548c\u5355\u4e2a\u7684\u7ed3\u679c\u51e0\u4e4e\u4e00\u6837\u3002\u591a\u5217\u6570\u636e\u7684distinct\u503c\u3001\u591a\u5217\u7684MCV Most column value\u7b49\uff0c\u63d0\u5347\u6267\u884c\u8ba1\u5212\u7684\u8bc4\u4f30\u51c6\u786e\u5ea6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"313\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-11.png\" alt=\"\" class=\"wp-image-5499\"\/><figcaption>GreenPlum 7\u65b0\u7279\u6027 Extended Statistics \u989d\u5916\u7684\u7edf\u8ba1\u5206\u6790<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"UpSert\"><\/span>UpSert<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u907f\u514d\u4e00\u4e2a\u5f02\u5e38\u5bfc\u81f4\u6574\u4e2a\u4e8b\u52a1\u5168\u90e8\u56de\u6eda\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"on_conflict_do_nothing\"><\/span>on conflict do nothing<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"348\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-12.png\" alt=\"\" class=\"wp-image-5501\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 - Upsert on conflict do nothing<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ON_CONFLICT_DO_UPDATE\"><\/span>ON CONFLICT DO UPDATE<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"206\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-13.png\" alt=\"\" class=\"wp-image-5503\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 - Upsert on conflict do update<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JIT%E7%BC%96%E8%AF%91\"><\/span>JIT\u7f16\u8bd1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u8fd0\u884c\u4e2d\uff0c\u5c06\u4e00\u4e2a\u53ef\u6267\u884c\u7a0b\u5e8f\uff0c\u8f6c\u5316\u6210native\u672c\u5730\u7684\u3002\u5982\u4e0b\u7684a=3, sum\u7b49\u90fd\u8981\u8fdb\u884c\u591a\u6b21\u51fd\u6570\u8c03\u7528\u3002\u901a\u8fc7jit\u53ef\u4ee5\u52a0\u901f\u4f18\u5316\u3002\u5bf9CPU\u7ed1\u5b9a\u7684\u67e5\u8be2\u6709\u5f88\u597d\u7684\u6548\u679c\u3002JIT\u81ea\u8eab\u5728\u8f6c\u5316\u4e3anative\u65f6\u4e5f\u662f\u9700\u8981\u4ee3\u4ef7\u7684\u3002\u901a\u8fc7COST\u6765\u63a7\u5236\u4ec0\u4e48\u65f6\u5019\u8fd0\u7528JIT\u3002<\/p>\n\n\n\n<p>JIT\u5728GP\u91cc\u9762\u7684\u5b9e\u73b0\uff0c\u57fa\u4e8eLLVM\u505a\u7684\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6700\u91cd\u8981\u7684\u76ee\u6807\u662f\u5bf9\u8868\u8fbe\u5f0f\u7684\u52a0\u901f\u3002\u5305\u62ecwehere, \u76ee\u6807\u5217\uff0c\u805a\u96c6\u51fd\u6570\u7b49\u3002<\/li><li>\u63d0\u5347\u4ece\u78c1\u76d8deforming\u5230\u5185\u5b58\u7684\u8fc7\u7a0b\u3002<\/li><li>\u628a\u51fd\u6570\u8fdb\u884cinline \u751f\u6210\u4ee3\u7801\u7684\u4f18\u5316<\/li><\/ul>\n\n\n\n<p>\u5f00\u542fJIT\u4e0d\u540c\u53c2\u6570\u7684\u6548\u679c\uff0c\u4f18\u5316\u5168\u5f00\u7684\u8bdd\uff0c\u8017\u65f6\u4ece23\u79d2\u964d\u4f4e\u523013\u79d2\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"304\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-14.png\" alt=\"\" class=\"wp-image-5507\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 - JIT \u7f16\u8bd1\u6027\u80fd\u63d0\u5347\u6548\u679c\u56fe<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Partitioned_Tables_%E6%96%B0%E7%9A%84%E5%88%86%E5%8C%BA%E8%A1%A8\"><\/span>Partitioned Tables \u65b0\u7684\u5206\u533a\u8868<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6709\u8bed\u6cd5\u7684\u53d8\u52a8\u3002\u989d\u5916\u517c\u5bb9PG\u7684\u8bed\u6cd5\uff0c\u5355\u72ec\u521b\u5efa\u4e00\u7ea7\u3001\u4e8c\u7ea7\u7684\u5206\u533a\u3002\u5176\u4e2d\u5206\u533a\u8868\uff0c\u53d8\u6210\u4e86\u4e00\u7ea7\u8868\u3002\u5141\u8bb8\u5206\u533a\u8868\uff0c\u6ca1\u6709\u5206\u533a(0\u4e2apartition),\u652f\u6301\u5f02\u6784\u7684\u5206\u533a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"281\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-15.png\" alt=\"\" class=\"wp-image-5509\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 - Partitioned Tables<\/figcaption><\/figure>\n\n\n\n<p>\u4e00\u4e2a\u5206\u533a\u8868\u7684\u5b50\u5206\u533a\uff0c\u5206\u5e03\u65b9\u5f0f\u5141\u8bb8\u4e0d\u540c\uff08\u4e00\u4e2alist,\u4e00\u4e2arange\uff09\u3002\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7075\u6d3b\u6027\u3002\u65b0\u5efa\u4e00\u4e2a\u5206\u533a\u8868\uff0c\u53ef\u4ee5attach\u5230\u53e6\u5916\u4e00\u4e2a\u5206\u533a\u8868\u4f5c\u4e3a\u5206\u533a\u3002\u901a\u8fc7detach\u53d6\u6d88\u5173\u8054\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"261\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-16.png\" alt=\"\" class=\"wp-image-5510\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 - Partitioned Tables \u5b50\u5206\u533a\u4e0d\u540c\u7c7b\u578bRange\u548cList<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Table_Access_Method%EF%BC%88AM%EF%BC%89\"><\/span>Table Access Method\uff08AM\uff09<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u628a\u6267\u884c\u5668\u548c\u5b58\u50a8\u5f15\u64ce\u4e4b\u95f4\u9ad8\u5ea6\u7684\u62bd\u8c61\u5316\u3002\u5bf9ao_row\u548cao_column\u505a\u4e86\u9002\u914d\u3002\u672a\u770b\u5230\u5b9e\u8d28\u6027\u63d0\u5347\u63cf\u8ff0\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"304\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-17.png\" alt=\"\" class=\"wp-image-5513\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 -Table Access Method\uff08AM<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AD%98%E5%82%A8%E8%BF%87%E7%A8%8B%E4%B8%AD%E7%9A%84%E4%BA%8B%E5%8A%A1\"><\/span>\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u7684\u4e8b\u52a1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53ef\u4ee5\u5728\u5b58\u50a8\u8fc7\u7a0b\u5185\u90e8\u6267\u884c\u4e8b\u52a1\uff0cCommit\/Rollback\u3002<\/p>\n\n\n\n<p>\u57286\u4e2d\uff0ctruncate\u5728\u5faa\u73af\u5185\u90e8\u662f\u6ca1\u6709\u529e\u6cd5\u63d0\u4ea4\u7684\u3002\u57287\u91cc\u53ef\u4ee5\u6267\u884ccommit\u6765\u56de\u6536\u7a7a\u95f4\u3002\u5b9e\u73b0\u5728\u5faa\u73af\u5185\u90e8\u53ca\u65f6\u56de\u6536\uff0c\u907f\u514dOOM\u95ee\u9898\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"558\" height=\"280\" src=\"https:\/\/www.gbase8.cn\/wp-content\/uploads\/2021\/04\/image-18.png\" alt=\"\" class=\"wp-image-5515\"\/><figcaption>GreenPlum 7 \u65b0\u7279\u6027 - \u5b58\u50a8\u8fc7\u7a0b\u5185\u90e8\u4e8b\u52a1<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecd\u76ee\u524d\u4e86\u89e3\u5230\u7684GreenPlum 7\u7684\u65b0\u7248\u672c\u7279\u6027\uff0c\u5305\u62ecBRIN\u7d22\u5f15\uff0c\u6269\u5c55\u7684\u7edf\u8ba1\u5206\u6790\uff0cUpSert, JIT\u7f16\u8bd1\uff0c\u65b0\u7684\u5206\u533a\u8868\uff0cAM\u4ee5\u53ca\u5b58\u50a8\u8fc7\u7a0b\u5185\u90e8\u652f\u6301\u4e8b\u52a1\u7b49\u65b9\u9762\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[85],"class_list":["post-5496","post","type-post","status-publish","format-standard","hentry","category-1","tag-greenplum"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/5496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=5496"}],"version-history":[{"count":12,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/5496\/revisions"}],"predecessor-version":[{"id":5517,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/5496\/revisions\/5517"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=5496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=5496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=5496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}