{"id":1832,"date":"2017-08-22T16:58:02","date_gmt":"2017-08-22T08:58:02","guid":{"rendered":"http:\/\/www.xttblog.com\/?p=1832"},"modified":"2017-08-22T16:58:02","modified_gmt":"2017-08-22T08:58:02","slug":"lucene-%e5%85%a8%e6%96%87%e6%a3%80%e7%b4%a2%e4%b8%8d%e7%ad%89%e4%ba%8elike-keyword","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=1832","title":{"rendered":"Lucene \u5168\u6587\u68c0\u7d22\u4e0d\u7b49\u4e8elike “%keyword%”"},"content":{"rendered":"

\n\t\u5f88\u591a\u4eba\u8fd8\u662f\u505c\u7559\u5728\u4f1a\u5199\u4ee3\u7801\u7684\u884c\u5217\uff0c\u4f8b\u5982\u505a\u4e00\u4e2a\u641c\u7d22\u529f\u80fd\uff0c\u5f80\u5f80\u4f7f\u7528 SQL \u4e2d\u7684 like \u8bed\u53e5\u6765\u89e3\u51b3\uff0c\u7136\u800c like \u8bed\u53e5\u5728\u5927\u6570\u636e\u7684\u60c5\u51b5\u4e0b\uff0c\u4ea7\u751f\u7684\u8d85\u5927\u5f71\u54cd\u5c06\u53ef\u80fd\u4f7f\u4f60\u7684\u6574\u4e2a\u6570\u636e\u5e93\u51fa\u73b0\u9ad8 IO\uff0cCPU \u4e45\u9ad8\u4e0d\u4e0b\u7684\u60c5\u51b5\u3002\u90a3\u4e48\u8fd9\u6837\u7684\u8bbe\u8ba1\u80fd\u7528\u5417\uff1f\u7b54\u6848\u5f53\u7136\u662f\u4e0d\u53ef\u4ee5\u3002\u90a3\u4e48\u8be5\u600e\u6837\u5b9e\u73b0\u8fd9\u6837\u7684\u591a\u5b57\u6bb5\u9ad8\u7ea7\u641c\u7d22\u5462\uff1f\u7b54\u6848\u5c31\u662f Lucene<\/a>\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u7684\u5bf9\u6bd4 Lucene \u548c \u6570\u636e\u5e93\u4e2d\u7684 like \u8bed\u53e5\u3002\n<\/p>\n

\n\t\"Lucene\n<\/p>\n

\n\t\u901a\u5e38\u6bd4\u8f83\u539a\u7684\u4e66\u7c4d\u540e\u9762\u5e38\u5e38\u9644\u5173\u952e\u8bcd\u7d22\u5f15\u8868\uff08\u6bd4\u5982\uff1a\u5317\u4eac\uff1a12, 34\u9875\uff0c \u4e0a\u6d77\uff1a3,77\u9875……\uff09\uff0c\u5b83\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u6bd4\u8f83\u5feb\u5730\u627e\u5230\u76f8\u5173\u5185\u5bb9\u7684\u9875\u7801\u3002\u800c\u6570\u636e\u5e93\u7d22\u5f15\u80fd\u591f\u5927\u5927\u63d0\u9ad8\u67e5\u8be2\u7684\u901f\u5ea6\u539f\u7406\u4e5f\u662f\u4e00\u6837\uff0c\u60f3\u50cf\u4e00\u4e0b\u901a\u8fc7\u4e66\u540e\u9762\u7684\u7d22\u5f15\u67e5\u627e\u7684\u901f\u5ea6\u8981\u6bd4\u4e00\u9875\u4e00\u9875\u5730\u7ffb\u5185\u5bb9\u9ad8\u591a\u5c11\u500d……\u800c\u7d22\u5f15\u4e4b\u6240\u4ee5\u6548\u7387\u9ad8\uff0c\u53e6\u5916\u4e00\u4e2a\u539f\u56e0\u662f\u5b83\u662f\u6392\u597d\u5e8f\u7684\u3002\u5bf9\u4e8e\u68c0\u7d22\u7cfb\u7edf\u6765\u8bf4\u6838\u5fc3\u662f\u4e00\u4e2a\u6392\u5e8f\u95ee\u9898\u3002\n<\/p>\n

\n\t\u7531\u4e8e\u6570\u636e\u5e93\u7d22\u5f15\u4e0d\u662f\u4e3a\u5168\u6587\u7d22\u5f15\u8bbe\u8ba1\u7684\uff0c\u56e0\u6b64\uff0c\u4f7f\u7528like "%keyword%"\u65f6\uff0c\u6570\u636e\u5e93\u7d22\u5f15\u662f\u4e0d\u8d77\u4f5c\u7528\u7684\uff0c\u5728\u4f7f\u7528like\u67e5\u8be2\u65f6\uff0c\u641c\u7d22\u8fc7\u7a0b\u53c8\u53d8\u6210\u7c7b\u4f3c\u4e8e\u4e00\u9875\u9875\u7ffb\u4e66\u7684\u904d\u5386\u8fc7\u7a0b\u4e86\uff0c\u6240\u4ee5\u5bf9\u4e8e\u542b\u6709\u6a21\u7cca\u67e5\u8be2\u7684\u6570\u636e\u5e93\u670d\u52a1\u6765\u8bf4\uff0cLIKE\u5bf9\u6027\u80fd\u7684\u5371\u5bb3\u662f\u6781\u5927\u7684\u3002\u5982\u679c\u662f\u9700\u8981\u5bf9\u591a\u4e2a\u5173\u952e\u8bcd\u8fdb\u884c\u6a21\u7cca\u5339\u914d\uff1alike"%keyword1%" and like "%keyword2%" …\u5176\u6548\u7387\u4e5f\u5c31\u53ef\u60f3\u800c\u77e5\u4e86\u3002\n<\/p>\n

\n\t\u6240\u4ee5\u5efa\u7acb\u4e00\u4e2a\u9ad8\u6548\u68c0\u7d22\u7cfb\u7edf\u7684\u5173\u952e\u662f\u5efa\u7acb\u4e00\u4e2a\u7c7b\u4f3c\u4e8e\u79d1\u6280\u7d22\u5f15\u4e00\u6837\u7684\u53cd\u5411\u7d22\u5f15\u673a\u5236\uff0c\u5c06\u6570\u636e\u6e90\uff08\u6bd4\u5982\u591a\u7bc7\u6587\u7ae0\uff09\u6392\u5e8f\u987a\u5e8f\u5b58\u50a8\u7684\u540c\u65f6\uff0c\u6709\u53e6\u5916\u4e00\u4e2a\u6392\u597d\u5e8f\u7684\u5173\u952e\u8bcd\u5217\u8868\uff0c\u7528\u4e8e\u5b58\u50a8\u5173\u952e\u8bcd==>\u6587\u7ae0\u6620\u5c04\u5173\u7cfb\uff0c\u5229\u7528\u8fd9\u6837\u7684\u6620\u5c04\u5173\u7cfb\u7d22\u5f15\uff1a[\u5173\u952e\u8bcd==>\u51fa\u73b0\u5173\u952e\u8bcd\u7684\u6587\u7ae0\u7f16\u53f7\uff0c\u51fa\u73b0\u6b21\u6570\uff08\u751a\u81f3\u5305\u62ec\u4f4d\u7f6e\uff1a\u8d77\u59cb\u504f\u79fb\u91cf\uff0c\u7ed3\u675f\u504f\u79fb\u91cf\uff09\uff0c\u51fa\u73b0\u9891\u7387]\uff0c\u68c0\u7d22\u8fc7\u7a0b\u5c31\u662f\u628a\u6a21\u7cca\u67e5\u8be2\u53d8\u6210\u591a\u4e2a\u53ef\u4ee5\u5229\u7528\u7d22\u5f15\u7684\u7cbe\u786e\u67e5\u8be2\u7684\u903b\u8f91\u7ec4\u5408\u7684\u8fc7\u7a0b\u3002\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e86\u591a\u5173\u952e\u8bcd\u67e5\u8be2\u7684\u6548\u7387\uff0c\u6240\u4ee5\uff0c\u5168\u6587\u68c0\u7d22\u95ee\u9898\u5f52\u7ed3\u5230\u6700\u540e\u662f\u4e00\u4e2a\u6392\u5e8f\u95ee\u9898\u3002\n<\/p>\n

\n\t\u7531\u6b64\u53ef\u4ee5\u770b\u51fa\u6a21\u7cca\u67e5\u8be2\u76f8\u5bf9\u6570\u636e\u5e93\u7684\u7cbe\u786e\u67e5\u8be2\u662f\u4e00\u4e2a\u975e\u5e38\u4e0d\u786e\u5b9a\u7684\u95ee\u9898\uff0c\u8fd9\u4e5f\u662f\u5927\u90e8\u5206\u6570\u636e\u5e93\u5bf9\u5168\u6587\u68c0\u7d22\u652f\u6301\u6709\u9650\u7684\u539f\u56e0\u3002Lucene\u6700\u6838\u5fc3\u7684\u7279\u5f81\u662f\u901a\u8fc7\u7279\u6b8a\u7684\u7d22\u5f15\u7ed3\u6784\u5b9e\u73b0\u4e86\u4f20\u7edf\u6570\u636e\u5e93\u4e0d\u64c5\u957f\u7684\u5168\u6587\u7d22\u5f15\u673a\u5236\uff0c\u5e76\u63d0\u4f9b\u4e86\u6269\u5c55\u63a5\u53e3\uff0c\u4ee5\u65b9\u4fbf\u9488\u5bf9\u4e0d\u540c\u5e94\u7528\u7684\u5b9a\u5236\u3002\n<\/p>\n

\n\t\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e0b\u8868\u683c\u5bf9\u6bd4\u4e00\u4e0b\u6570\u636e\u5e93\u7684\u6a21\u7cca\u67e5\u8be2\uff1a\n<\/p>\n\n\n\n\n\n\n\n\n\n
\n\t\t\t\t\u3000\n\t\t\t<\/td>\n\n\t\t\t\tLucene\u5168\u6587\u7d22\u5f15\u5f15\u64ce\n\t\t\t<\/td>\n\n\t\t\t\t\u6570\u636e\u5e93\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u7d22\u5f15\n\t\t\t<\/td>\n\n\t\t\t\t\u5c06\u6570\u636e\u6e90\u4e2d\u7684\u6570\u636e\u90fd\u901a\u8fc7\u5168\u6587\u7d22\u5f15\u4e00\u4e00\u5efa\u7acb\u53cd\u5411\u7d22\u5f15\n\t\t\t<\/td>\n\n\t\t\t\t\u5bf9\u4e8eLIKE\u67e5\u8be2\u6765\u8bf4\uff0c\u6570\u636e\u4f20\u7edf\u7684\u7d22\u5f15\u662f\u6839\u672c\u7528\u4e0d\u4e0a\u7684\u3002\u6570\u636e\u9700\u8981\u9010\u4e2a\u4fbf\u5229\u8bb0\u5f55\u8fdb\u884cGREP\u5f0f\u7684\u6a21\u7cca\u5339\u914d\uff0c\u6bd4\u6709\u7d22\u5f15\u7684\u641c\u7d22\u901f\u5ea6\u8981\u6709\u591a\u4e2a\u6570\u91cf\u7ea7\u7684\u4e0b\u964d\u3002\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u5339\u914d\u6548\u679c\n\t\t\t<\/td>\n\n\t\t\t\t\u901a\u8fc7\u8bcd\u5143(term)\u8fdb\u884c\u5339\u914d\uff0c\u901a\u8fc7\u8bed\u8a00\u5206\u6790\u63a5\u53e3\u7684\u5b9e\u73b0\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u4e2d\u6587\u7b49\u975e\u82f1\u8bed\u7684\u652f\u6301\u3002\n\t\t\t<\/td>\n\n\t\t\t\t\u4f7f\u7528\uff1alike "%net%" \u4f1a\u628anetherlands\u4e5f\u5339\u914d\u51fa\u6765\uff0c
\n\t\t\t\t\u591a\u4e2a\u5173\u952e\u8bcd\u7684\u6a21\u7cca\u5339\u914d\uff1a\u4f7f\u7528like "%com%net%"\uff1a\u5c31\u4e0d\u80fd\u5339\u914d\u8bcd\u5e8f\u98a0\u5012\u7684xxx.net..xxx.com\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u5339\u914d\u5ea6\n\t\t\t<\/td>\n\n\t\t\t\t\u6709\u5339\u914d\u5ea6\u7b97\u6cd5\uff0c\u5c06\u5339\u914d\u7a0b\u5ea6\uff08\u76f8\u4f3c\u5ea6\uff09\u6bd4\u8f83\u9ad8\u7684\u7ed3\u679c\u6392\u5728\u524d\u9762\u3002\n\t\t\t<\/td>\n\n\t\t\t\t\u6ca1\u6709\u5339\u914d\u7a0b\u5ea6\u7684\u63a7\u5236\uff1a\u6bd4\u5982\u6709\u8bb0\u5f55\u4e2dnet\u51fa\u73b05\u8bcd\u548c\u51fa\u73b01\u6b21\u7684\uff0c\u7ed3\u679c\u662f\u4e00\u6837\u7684\u3002\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u7ed3\u679c\u8f93\u51fa\n\t\t\t<\/td>\n\n\t\t\t\t\u901a\u8fc7\u7279\u522b\u7684\u7b97\u6cd5\uff0c\u5c06\u6700\u5339\u914d\u5ea6\u6700\u9ad8\u7684\u5934100\u6761\u7ed3\u679c\u8f93\u51fa\uff0c\u7ed3\u679c\u96c6\u662f\u7f13\u51b2\u5f0f\u7684\u5c0f\u6279\u91cf\u8bfb\u53d6\u7684\u3002\n\t\t\t<\/td>\n\n\t\t\t\t\u8fd4\u56de\u6240\u6709\u7684\u7ed3\u679c\u96c6\uff0c\u5728\u5339\u914d\u6761\u76ee\u975e\u5e38\u591a\u7684\u65f6\u5019\uff08\u6bd4\u5982\u4e0a\u4e07\u6761\uff09\u9700\u8981\u5927\u91cf\u7684\u5185\u5b58\u5b58\u653e\u8fd9\u4e9b\u4e34\u65f6\u7ed3\u679c\u96c6\u3002\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u53ef\u5b9a\u5236\u6027\n\t\t\t<\/td>\n\n\t\t\t\t\u901a\u8fc7\u4e0d\u540c\u7684\u8bed\u8a00\u5206\u6790\u63a5\u53e3\u5b9e\u73b0\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u5b9a\u5236\u51fa\u7b26\u5408\u5e94\u7528\u9700\u8981\u7684\u7d22\u5f15\u89c4\u5219\uff08\u5305\u62ec\u5bf9\u4e2d\u6587\u7684\u652f\u6301\uff09\n\t\t\t<\/td>\n\n\t\t\t\t\u6ca1\u6709\u63a5\u53e3\u6216\u63a5\u53e3\u590d\u6742\uff0c\u65e0\u6cd5\u5b9a\u5236\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u7ed3\u8bba\n\t\t\t<\/td>\n\n\t\t\t\t\u9ad8\u8d1f\u8f7d\u7684\u6a21\u7cca\u67e5\u8be2\u5e94\u7528\uff0c\u9700\u8981\u8d1f\u8d23\u7684\u6a21\u7cca\u67e5\u8be2\u7684\u89c4\u5219\uff0c\u7d22\u5f15\u7684\u8d44\u6599\u91cf\u6bd4\u8f83\u5927\n\t\t\t<\/td>\n\n\t\t\t\t\u4f7f\u7528\u7387\u4f4e\uff0c\u6a21\u7cca\u5339\u914d\u89c4\u5219\u7b80\u5355\u6216\u8005\u9700\u8981\u6a21\u7cca\u67e5\u8be2\u7684\u8d44\u6599\u91cf\u5c11\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n\t\u5168\u6587\u68c0\u7d22\u548c\u6570\u636e\u5e93\u5e94\u7528\u6700\u5927\u7684\u4e0d\u540c\u5728\u4e8e\uff1a\u8ba9\u6700\u76f8\u5173\u7684\u5934100\u6761\u7ed3\u679c\u6ee1\u8db398%\u4ee5\u4e0a\u7528\u6237\u7684\u9700\u6c42\u3002\n<\/p>\n

\n\tLucene\u7684\u521b\u65b0
\n<\/h2>\n

\n\t\u5927\u90e8\u5206\u7684\u641c\u7d22\uff08\u6570\u636e\u5e93\uff09\u5f15\u64ce\u90fd\u662f\u7528B\u6811\u7ed3\u6784\u6765\u7ef4\u62a4\u7d22\u5f15\uff0c\u7d22\u5f15\u7684\u66f4\u65b0\u4f1a\u5bfc\u81f4\u5927\u91cf\u7684IO\u64cd\u4f5c\uff0cLucene\u5728\u5b9e\u73b0\u4e2d\uff0c\u5bf9\u6b64\u7a0d\u5fae\u6709\u6240\u6539\u8fdb\uff1a\u4e0d\u662f\u7ef4\u62a4\u4e00\u4e2a\u7d22\u5f15\u6587\u4ef6\uff0c\u800c\u662f\u5728\u6269\u5c55\u7d22\u5f15\u7684\u65f6\u5019\u4e0d\u65ad\u521b\u5efa\u65b0\u7684\u7d22\u5f15\u6587\u4ef6\uff0c\u7136\u540e\u5b9a\u671f\u7684\u628a\u8fd9\u4e9b\u65b0\u7684\u5c0f\u7d22\u5f15\u6587\u4ef6\u5408\u5e76\u5230\u539f\u5148\u7684\u5927\u7d22\u5f15\u4e2d\uff08\u9488\u5bf9\u4e0d\u540c\u7684\u66f4\u65b0\u7b56\u7565\uff0c\u6279\u6b21\u7684\u5927\u5c0f\u53ef\u4ee5\u8c03\u6574\uff09\uff0c\u8fd9\u6837\u5728\u4e0d\u5f71\u54cd\u68c0\u7d22\u7684\u6548\u7387\u7684\u524d\u63d0\u4e0b\uff0c\u63d0\u9ad8\u4e86\u7d22\u5f15\u7684\u6548\u7387\u3002\n<\/p>\n

\n\tLucene\u548c\u5176\u4ed6\u4e00\u4e9b\u5168\u6587\u68c0\u7d22\u7cfb\u7edf\/\u5e94\u7528\u7684\u6bd4\u8f83\uff1a\n<\/p>\n\n\n\n\n\n\n\n\n\n
\n\t\t\t\t\u3000\n\t\t\t<\/td>\n\n\t\t\t\tLucene\n\t\t\t<\/td>\n\n\t\t\t\t\u5176\u4ed6\u5f00\u6e90\u5168\u6587\u68c0\u7d22\u7cfb\u7edf\n\t\t\t<\/td>\n<\/tr>\n
\n\t\t\t\t\u589e\u91cf\u7d22\u5f15\u548c\u6279\u91cf\u7d22\u5f15\n\t\t\t<\/td>\n\n\t\t\t\t\u53ef\u4ee5\u8fdb\u884c\u589e\u91cf\u7684\u7d22\u5f15(Append)\uff0c\u53ef\u4ee5\u5bf9\u4e8e\u5927\u91cf\u6570\u636e\u8fdb\u884c\u6279\u91cf\u7d22\u5f15\uff0c\u5e76\u4e14\u63a5\u53e3\u8bbe\u8ba1\u7528\u4e8e\u4f18\u5316\u6279\u91cf\u7d22\u5f15\u548c\u5c0f\u6279\u91cf\u7684\u589e\u91cf\u7d22\u5f15\u3002\n\t\t\t<\/td>\n\n\t\t\t\t\u5f88\u591a\u7cfb\u7edf\u53ea\u652f\u6301\u6279\u91cf\u7684\u7d22\u5f15\uff0c\u6709\u65f6\u6570\u636e\u6e90\u6709\u4e00\u70b9\u589e\u52a0\u4e5f\u9700\u8981\u91cd\u5efa\u7d22\u5f15\u3002\n\t\t\t<\/td>\n<\/tr>\n
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