{"id":363,"date":"2020-06-30T15:06:55","date_gmt":"2020-06-30T07:06:55","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=363"},"modified":"2021-01-21T00:49:22","modified_gmt":"2021-01-20T16:49:22","slug":"gbase-8a%e9%9b%86%e7%be%a4%e8%bf%90%e8%a1%8c%e6%8a%a5%e9%94%99blk_temp-return-null-in-alloc","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/363","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u96c6\u7fa4\u8fd0\u884c\u62a5\u9519BLK_TEMP: return NULL in alloc"},"content":{"rendered":"<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-6a2ab3cc0c762\" 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-6a2ab3cc0c762\"  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\/363\/#%E5%8E%9F%E5%9B%A0\" >\u539f\u56e0<\/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\/363\/#%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88\" >Solution<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8E%9F%E5%9B%A0\"><\/span>\u539f\u56e0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5185\u5b58\u4e0d\u8db3\u5f15\u8d77\uff0c\u7279\u522b\u662f\u591a\u5e76\u53d1\u4e0b\u3002<\/p>\n\n\n\n<p>\u6839\u636e\u62a5\u9519\u4fe1\u606f\u5177\u4f53\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u5927\u81f4\u5206\u4e3a3\u7c7b\uff1a<\/p>\n\n\n\n<p>1\u3001Heap Data\u5806\u9ad8<\/p>\n\n\n\n<p>  \u4e00\u822c\u662f\u7531\u4e8e\u5e76\u53d1\u4e0b\uff0c\u70ed\u6570\u636e\u65e0\u6cd5\u5feb\u901f\u6dd8\u6c70\u5bfc\u81f4<\/p>\n\n\n\n<p>2\u3001Large \u5806\u9ad8<\/p>\n\n\n\n<p>\u4e00\u822c\u662f\u5e76\u53d1\u592a\u9ad8\uff0c\u4e14\u90fd\u662f\u8fd0\u7b97\u7c7b\uff0c\u6bd4\u5982group, join, sort\u7b49\u3002<\/p>\n\n\n\n<p>3\u3001temp\u5806\u9ad8<\/p>\n\n\n\n<p>\u4e00\u822c\u662f\u5143\u6570\u636e\uff0c\u6bd4\u5982\u667a\u80fd\u7d22\u5f15\u592a\u9ad8\uff0c\u5bfc\u81f4\u3002\u6216\u8005\u5e76\u53d1\u52a0\u8f7d\u7b49\u4e34\u65f6\u5206\u914d\u5185\u5b58\u592a\u591a\u7b49\u5bfc\u81f4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A7%A3%E5%86%B3%E6%96%B9%E6%A1%88\"><\/span>Solution<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>1\u3001\u53c2\u8003\u5982\u4e0b\u7684<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u8001\u7d2b\u7af9\u7684\u5bb6 wp-block-embed-\u8001\u7d2b\u7af9\u7684\u5bb6\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"i1pOvKmLUy\"><a href=\"http:\/\/www.gbase8.cn\/en\/?p=321\">GBase 8a\u96c6\u7fa4\u52a0\u5feb\u70ed\u6570\u636e\u6dd8\u6c70\uff0c\u51cf\u5c11\u5185\u5b58\u5360\u7528<\/a><\/blockquote><iframe loading=\"lazy\" title=\"\u300aGBase 8a\u96c6\u7fa4\u52a0\u5feb\u70ed\u6570\u636e\u6dd8\u6c70\uff0c\u51cf\u5c11\u5185\u5b58\u5360\u7528\u300b\u2014\u8001\u7d2b\u7af9\u7684\u5bb6\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" src=\"http:\/\/www.gbase8.cn\/?p=321&#038;embed=true#?secret=i1pOvKmLUy\" data-secret=\"i1pOvKmLUy\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>2\u3001large\u5806\u9ad8\uff0c\u53ea\u80fd\u901a\u8fc7\u964d\u4f4e\u5e76\u53d1\u6216\u8005\u4eba\u5de5\u964d\u4f4e\u5185\u5b58\u7b97\u5b50\u5927\u5c0f\u89e3\u51b3\uff0c\u8bf7\u770b\u8003<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u8001\u7d2b\u7af9\u7684\u5bb6 wp-block-embed-\u8001\u7d2b\u7af9\u7684\u5bb6\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"vnuTD5BjoV\"><a href=\"http:\/\/www.gbase8.cn\/en\/?p=202\">GBase 8a\u96c6\u7fa4\u5e38\u89c1\u5185\u5b58\u914d\u7f6e\u53c2\u6570<\/a><\/blockquote><iframe loading=\"lazy\" title=\"\u300aGBase 8a\u96c6\u7fa4\u5e38\u89c1\u5185\u5b58\u914d\u7f6e\u53c2\u6570\u300b\u2014\u8001\u7d2b\u7af9\u7684\u5bb6\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" src=\"http:\/\/www.gbase8.cn\/?p=202&#038;embed=true#?secret=vnuTD5BjoV\" data-secret=\"vnuTD5BjoV\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>3\u3001temp\u9ad8\uff0c\u5982\u679c\u662f\u5143\u6570\u636e\uff0c\u53ef\u4ee5\u901a\u8fc7refresh tables\u91ca\u653e\u5f88\u65e9\u4ee5\u524d\u7684\u5143\u6570\u636e\u5360\u7528\u7684\u5185\u5b58(\u4e5f\u5c31\u662f\u957f\u65f6\u95f4\u4e0d\u7528\u7684),\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u53c2\u6570\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u8001\u7d2b\u7af9\u7684\u5bb6 wp-block-embed-\u8001\u7d2b\u7af9\u7684\u5bb6\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"zJyXHQssnW\"><a href=\"http:\/\/www.gbase8.cn\/en\/?p=366\">GBase 8a\u96c6\u7fa4\u9650\u5236\u5143\u6570\u636e\u5360\u7528\u7684temp\u5806\u5185\u5b58\u5927\u5c0f<\/a><\/blockquote><iframe loading=\"lazy\" title=\"\u300aGBase 8a\u96c6\u7fa4\u9650\u5236\u5143\u6570\u636e\u5360\u7528\u7684temp\u5806\u5185\u5b58\u5927\u5c0f\u300b\u2014\u8001\u7d2b\u7af9\u7684\u5bb6\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" src=\"http:\/\/www.gbase8.cn\/?p=366&#038;embed=true#?secret=zJyXHQssnW\" data-secret=\"zJyXHQssnW\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u96c6\u7fa4\u8fd0\u884c\u62a5\u9519BLK_TEMP: return NULL in alloc<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,54],"tags":[39],"class_list":{"0":"post-363","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-gbase8a","8":"tag-39"},"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/363","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=363"}],"version-history":[{"count":3,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/363\/revisions"}],"predecessor-version":[{"id":3651,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/363\/revisions\/3651"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}