{"id":280,"date":"2010-05-15T14:59:46","date_gmt":"2010-05-15T14:59:46","guid":{"rendered":"http:\/\/www.zhuangbiaowei.com\/blog\/?p=280"},"modified":"2010-05-15T14:59:46","modified_gmt":"2010-05-15T14:59:46","slug":"tcdatabase%e4%bb%8b%e7%bb%8d%ef%bc%883%ef%bc%89","status":"publish","type":"post","link":"https:\/\/blog.zhuangbiaowei.com\/?p=280","title":{"rendered":"TCDatabase\u4ecb\u7ecd\uff083\uff09"},"content":{"rendered":"

\u56db\u3001\u5b58\u50a8\u6570\u636e\u7ed3\u6784<\/h2>\n

1\u3001TCT\u7684\u5b58\u50a8\u6570\u636e\u7ed3\u6784<\/h3>\n

TC\u7684\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6709\u4e0d\u540c\u7684\u6570\u636e\u5b58\u50a8\u7ed3\u6784\u3002\u8fd9\u91cc\u4e3b\u8981\u4ecb\u7ecdTC\u7684Table\u7c7b\u578b\u7684\u5b58\u50a8\u7ed3\u6784\u3002<\/p>\n

\u6bcf\u4e2aTC\u7684Table\uff0c\u8d77\u7801\u6709\u4e00\u4e2a*.tct\u6587\u4ef6\u3002\u8fd9\u4e2atct\uff0c\u662f\u5728hash\u6570\u636e\u5e93\u7684\u57fa\u7840\u4e0a\u6539\u8fdb\u800c\u6765\u7684\u3002\u4e0b\u9762\u8f6c\u8d34\u51e0\u5f20\u5f20\u5bb4\u7684PPT<\/a>\u91cc\u7684\u56fe\u3002<\/p>\n

\"abca024d-7c21-4bbd-b04e-ad04237cd8e9\"<\/a>\"665ba35e-e9d9-422f-877c-483bd93d4792\"<\/a><\/p>\n

\"fb69c4c9-bf10-49ff-865e-cf7cf20ffdcd[4]\"<\/a><\/p>\n

TCT\u7684\u6539\u8fdb\uff0c\u5c31\u662f\u5728Hash\u7684Key-Value\u7684Value\u90e8\u5206\uff0c\u52a8\u4e86\u4e00\u4e9b\u624b\u811a\uff0c\u5c06\u591a\u4e2a\u5b57\u6bb5\u6253\u6210\u4e00\u4e2a\u5927\u5305\uff0c\u90fd\u5b58\u5728\u4e00\u4e2aValue\u91cc\u53bb\u4e86\u3002<\/p>\n

\u53e6\u5916\uff0cTCTDB\uff0c\u6709\u53ef\u80fd\u4f1a\u6709\u4e00\u4e2a*.tct.idx\u6587\u4ef6\uff0c\u8fd9\u4e2aidx\uff0c\u662f\u4e00\u4e2aB+Tree\u7ed3\u6784\uff0c\u5c06\u4e00\u4e2atable\u4e2d\u7684\u5404\u4e2a\u9700\u8981\u5efa\u7acb\u7d22\u5f15\u7684\u5b57\u6bb5\u6570\u636e\uff0c\u5728TCBDB\u4e2d\u5efa\u7acb\u7d22\u5f15\u3002<\/p>\n

TCBDB\u7684\u7ed3\u6784\u56fe\u5982\u4e0b\uff1a<\/p>\n

\"a408324c-cc21-43b6-b35c-21e5f3b16c57\"<\/a><\/p>\n

\u5728idx\u6587\u4ef6\u91cc\uff0c\u5219\u662f\u5c06value\u4e0ekey\u53cd\u8fc7\u6765\u5b58\u653e\u3002<\/p>\n

2\u3001TCDatabase\u7684\u5b58\u50a8\u6570\u636e\u7ed3\u6784<\/h3>\n<\/p>\n<\/p>\n

\u4e3a\u4e86\u89e3\u51b3\u4e4b\u524d\u63d0\u5230\u8fc7\u7684TCTDB\u5b58\u5728\u7684\u95ee\u9898\uff0c\u6211\u4eec\u8bbe\u60f3\u7684TCDatabase\u7684\u7ed3\u6784\uff0c\u5c06\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n

\n

1\u3001\u8868\u7ed3\u6784(data.tcb.cfg) TCHDB
table_name1 => {column1=>string,column2=>int}
table_name1_count => 10
table_name1_index => {column1,column2}
table_name2 => {column1=>string,column2=>int}
table_name2_count => 10
table_name2_index => {column1,column2}
2\u3001\u8bb0\u5f55\u96c6(data.tcb)  TCBDB
table_name1\/pkey1.column1 => value1
table_name1\/pkey1.column2 => value2
table_name1\/pkey2.column1 => value3
table_name1\/pkey2.column2 => value4
table_name2\/pkey1.column1 => value5
table_name2\/pkey1.column2 => value6
3\u3001\u7d22\u5f15(data.tcb.idx)  TCBDB
table_name1\/column1\/value1\\0pkey1 => pkey1
table_name1\/column1\/value3\\0pkey2 => pkey2
table_name1\/column2\/value2\\0pkey1 => pkey1
table_name1\/column2\/value4\\0pkey2 => pkey2
table_name2\/column1\/value5\\0pkey1 => pkey1
table_name2\/column1\/value6\\0pkey2 => pkey2<\/p>\n<\/blockquote>\n

\u4e0b\u9762\u505a\u4e00\u4e9b\u89e3\u91ca\uff1a<\/p>\n

    \n
  • \u589e\u52a0\u4e00\u4e2acfg\u6587\u4ef6\uff0c\u4e00\u4e2aHash DB\u65b9\u5f0f\u5b58\u50a8\u8868\u7ed3\u6784\u4fe1\u606f\uff0c\u5305\u62ec\u4e00\u4e2a\u8868\u5305\u542b\u54ea\u4e9b\u5b57\u6bb5\uff0c\u8fd9\u4e9b\u5b57\u6bb5\u5206\u522b\u662f\u4ec0\u4e48\u5c5e\u6027\uff0c\u4e00\u4e2a\u8868\u7684\u8bb0\u5f55\u603b\u6570\uff0c\u8fd9\u4e2a\u8868\u9700\u8981\u5efa\u7acb\u54ea\u4e9b\u7d22\u5f15\u7b49\u7b49\u3002<\/li>\n
  • \u8bb0\u5f55\u96c6\u4ee5B+ Tree\u65b9\u5f0f\u5b58\u653e\uff0c\u800c\u975e\u539f\u6765\u7684Hash DB\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u6570\u636e\u91cf\u4e0a\u4ebf\u4ee5\u540e\uff0c\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd<\/li>\n
  • \u5728\u8bb0\u5f55\u96c6\u4e2d\uff0c\u4e00\u884c\u6570\u636e\u7684\u5404\u4e2a\u5b57\u6bb5\u7684\u503c\uff0c\u5206\u522b\u5b58\u5728\u4e0d\u540c\u7684key-value\u4e2d\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u4e00\u4e2a\u8868\u67093\u4e2a\u5b57\u6bb5\uff0c\u90a3\u4e48\u5b83\u7684\u6bcf\u6761\u8bb0\u5f55\uff0c\u5c31\u8981\u53603\u4e2akey\u3002<\/li>\n
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      \n
    • \u6240\u8c13\u6309\u884c\u8bfb\u5199\uff0c\u5c31\u662f\u4e00\u6b21\u8bfb\u5199\u4e00\u4e2aprimary key\u6307\u5411\u7684n\u4e2a\u5b57\u6bb5\uff0c\u5177\u4f53\u6709\u54ea\u4e9b\u5b57\u6bb5\uff0c\u7531cfg\u51b3\u5b9a\u3002<\/li>\n
    • \u6240\u8c13\u6309\u5217\u8bfb\u5199\uff0c\u5c31\u662f\u4e00\u6b21\u53ea\u8bfb\u5199\u4e00\u4e2aprimary key\u6307\u5411\u7684\u90a3\u4e00\u884c\u4e2d\u7684\u5177\u4f53\u4e00\u4e2a\u5b57\u6bb5\uff0c\u8fd9\u65f6\u7684\u8bfb\u5199\uff0c\u4e0d\u53d7cfg\u4e2d\u7684table\u5b57\u6bb5\u5b9a\u4e49\u7684\u9650\u5236\u3002<\/li>\n<\/ul>\n
    • \u7d22\u5f15\u6570\u636e\uff0c\u4ee5B+ Tree\u65b9\u5f0f\u5b58\u653e\uff0c\u56e0\u4e3a\u4e0d\u540c\u7684\u884c(primary key)\uff0c\u5728\u67d0\u4e00\u4e2a\u5b57\u6bb5\uff0c\u53ef\u80fd\u5b58\u5728\u503c\u91cd\u590d\uff0c\u56e0\u6b64key\u7684\u89c4\u5219\u4e3a\uff1avalue\\0key\u3002\u8fd9\u6837\u4fdd\u8bc1\u6bcf\u4e00\u4e2aprimary key\uff0c\u4f1a\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u7d22\u5f15key\u3002\u5982\u679c\u4ee5\u201ctable_name\/column\/value\u201d\u7684\u65b9\u5f0f\u67e5\u8be2\uff0c\u5219\u53ef\u4ee5\u5c06\u540c\u503c\u7684\u591a\u4e2akey\uff0c\u90fd\u67e5\u51fa\u6765\u3002<\/li>\n<\/ul>\n

      \uff08\u672a\u5b8c\u5f85\u7eed\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u56db\u3001\u5b58\u50a8\u6570\u636e\u7ed3\u6784 1\u3001TCT\u7684\u5b58\u50a8\u6570\u636e\u7ed3\u6784 TC\u7684\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u6709\u4e0d\u540c\u7684\u6570\u636e\u5b58\u50a8\u7ed3\u6784\u3002\u8fd9\u91cc\u4e3b\u8981\u4ecb\u7ecdTC\u7684Ta […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-280","post","type-post","status-publish","format-standard","hentry","category-49"],"_links":{"self":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/posts\/280","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=280"}],"version-history":[{"count":0,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=\/wp\/v2\/posts\/280\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.zhuangbiaowei.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}