{"id":1224,"date":"2012-09-27T23:50:44","date_gmt":"2012-09-27T15:50:44","guid":{"rendered":"https:\/\/yangtingkun.net\/?p=1224"},"modified":"2013-01-02T00:53:15","modified_gmt":"2013-01-01T16:53:15","slug":"itpub-sql%e5%a4%a7%e8%b5%9b%e7%ac%ac%e5%9b%9b%e6%9c%9f","status":"publish","type":"post","link":"https:\/\/yangtingkun.net\/?p=1224","title":{"rendered":"ITPUB SQL\u5927\u8d5b\u7b2c\u56db\u671f"},"content":{"rendered":"<p>SQL\u5927\u8d5b\u7b2c\u56db\u671f\u89e3\u6cd5\u7684\u6700\u7ec8\u7b54\u6848\u3002<br \/>\n\u7b2c\u56db\u671f\u9898\u76ee\u53c2\u8003\uff1a<a href=\"http:\/\/www.itpub.net\/thread-1411495-1-1.html\">http:\/\/www.itpub.net\/thread-1411495-1-1.html<\/a>\u7248\u4e3bnewkid\u70b9\u8bc4\u53c2\u8003\uff1a<a href=\"http:\/\/www.itpub.net\/thread-1417576-1-1.html\">http:\/\/www.itpub.net\/thread-1417576-1-1.html<\/a><br \/>\n\u6700\u8fd1\u6574\u7406BLOG\u6587\u7ae0\u65f6\u53d1\u73b0\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5f53\u65f6\u6ca1\u6709\u8d34\u51fa\u6765\u3002\u7531\u4e8e\u5f53\u65f6\u53d1\u73b0\u6700\u540e\u4e00\u9898\u51fa\u73b0\u4e86\u9519\u8bef\uff0c\u4e14\u624b\u5934\u7684\u4e8b\u60c5\u6bd4\u8f83\u591a\uff0c\u672c\u6253\u7b97\u641e\u6e05\u695a\u4e4b\u540e\u518d\u628a\u7ed3\u679c\u8d34\u51fa\u6765\uff0c\u6ca1\u60f3\u5230\u540e\u6765\u5fd8\u8bb0\u4e86\u3002\u867d\u7136\u5df2\u7ecf\u8fc7\u53bb\u4e86\u4e00\u5e74\u4e86\uff0c\u4e0d\u8fc7\u4fe1\u5b88\u81ea\u5df1\u7684\u627f\u8bfa\uff0c\u8fd8\u662f\u628a\u6700\u7ec8\u7ed3\u679c\u8d34\u51fa\u6765\u3002<br \/>\n\u6211\u7684\u4ee3\u7801\u4e3a\uff1a<\/p>\n<pre lang='SQL'>WITH DAY AS\r\n(\r\n\tSELECT TO_DATE(:P_START_DATE, 'YYYYMMDD') + ROWNUM - 1 DAY \r\n\tFROM DUAL\r\n\tCONNECT BY ROWNUM <= TO_DATE(:P_END_DATE, 'YYYYMMDD') - TO_DATE(:P_START_DATE, 'YYYYMMDD') + 1\r\n), \r\nCOMPANY_INFO AS \r\n(\r\n\tSELECT A.USER_ID, SERVICE_ID, B.COMPANY_ID, \r\n\t\tGREATEST(START_DATE, TO_DATE(:P_START_DATE, 'YYYYMMDD')) START_DATE, \r\n\t\tLEAST(END_DATE, TO_DATE(:P_END_DATE, 'YYYYMMDD')) END_DATE\r\n\tFROM SERVICE_USAGE A, SERVICE_USERS B \r\n\tWHERE A.USER_ID = B.USER_ID\r\n\tAND START_DATE <= TO_DATE(:P_END_DATE, 'YYYYMMDD')\r\n\tAND END_DATE >= TO_DATE(:P_START_DATE, 'YYYYMMDD')\r\n\tAND TO_DATE(:P_END_DATE, 'YYYYMMDD') - TO_DATE(:P_START_DATE, 'YYYYMMDD') >= 60\r\n), \r\nCOMPANY_DAY1 AS \r\n(\r\n\tSELECT SERVICE_ID, COMPANY_ID, DAY, COUNT(DISTINCT USER_ID) CN\r\n\tFROM DAY D, COMPANY_INFO C\r\n\tWHERE D.DAY BETWEEN C.START_DATE AND C.END_DATE\r\n\tGROUP BY SERVICE_ID, COMPANY_ID, DAY\r\n), \r\nCOMPANY_DAY2 AS \r\n(\r\n\tSELECT SERVICE_ID, COMPANY_ID, DAY, COUNT(DISTINCT A.USER_ID) CN\r\n\tFROM \r\n\t(\r\n\t\tSELECT USER_ID, SERVICE_ID, START_DATE, END_DATE, DAY\r\n\t\tFROM SERVICE_USAGE \r\n\t\tWHERE START_DATE <= TO_DATE(:P_END_DATE, 'YYYYMMDD')\r\n\t\tAND END_DATE >= TO_DATE(:P_START_DATE, 'YYYYMMDD')\r\n\t\tAND TO_DATE(:P_END_DATE, 'YYYYMMDD') - TO_DATE(:P_START_DATE, 'YYYYMMDD') < 60\r\n\t\tMODEL UNIQUE SINGLE REFERENCE\r\n\t\tPARTITION BY (USER_ID, SERVICE_ID, \r\n\t\t\tGREATEST(START_DATE, TO_DATE(:P_START_DATE, 'YYYYMMDD')) START_DATE, \r\n\t\t\tLEAST(END_DATE, TO_DATE(:P_END_DATE, 'YYYYMMDD')) END_DATE)\r\n\t\tDIMENSION BY (CAST(NULL AS DATE) DAY)\r\n\t\tMEASURES (0 V)\r\n\t\tRULES\r\n\t\t(\r\n\t\tV[\r\n\t\tFOR DAY \r\n\t\t\tFROM TO_DATE(:P_START_DATE, 'YYYYMMDD')\r\n\t\t\tTO TO_DATE(:P_END_DATE, 'YYYYMMDD')\r\n\t\t\tINCREMENT 1\r\n\t\t] = 1\r\n\t\t) \r\n\t) A, SERVICE_USERS B \r\n\tWHERE A.USER_ID = B.USER_ID\r\n\tAND DAY BETWEEN START_DATE AND END_DATE \r\n\tGROUP BY SERVICE_ID, COMPANY_ID, DAY\r\n), \r\nCOMPANY_DAY AS\r\n(\r\n\tSELECT SERVICE_ID, COMPANY_ID, DAY, CN\r\n\tFROM COMPANY_DAY1\r\n\tUNION ALL\r\n\tSELECT SERVICE_ID, COMPANY_ID, DAY, CN\r\n\tFROM COMPANY_DAY2\r\n)\r\nSELECT R.COMPANY_ID, COMPANY_NAME, R.SERVICE_ID, SERVICE_NAME, FEE1, FEE2, \r\n\tFEE3, FEE4, NVL(FEE1, 0) + NVL(FEE2, 0) + NVL(FEE3, 0) + NVL(FEE4, 0) TOTAL_FEE \r\nFROM\r\n(\r\n\tSELECT CD.SERVICE_ID, CD.COMPANY_ID, CATEGORY_ID, RATE*CN\r\n\tFROM COMPANY_DAY CD, SERVICE_RATES SR\r\n\tWHERE CD.SERVICE_ID = SR.SERVICE_ID\r\n\tAND CD.COMPANY_ID = SR.COMPANY_ID\r\n\tAND CN BETWEEN USER_COUNT_MIN AND USER_COUNT_MAX\r\n) \r\nPIVOT \r\n(\r\n\tSUM(RATE) FOR CATEGORY_ID IN (1 FEE1, 2 FEE2, 3 FEE3, 4 FEE4)\r\n) R, SERVICES S, COMPANIES C\r\nWHERE R.SERVICE_ID = S.SERVICE_ID\r\nAND R.COMPANY_ID = C.COMPANY_ID\r\nORDER BY 1, 3;<\/pre>\n<p>\u8fd9\u662f\u6539\u6b63\u4e4b\u540e\u7684\u4ee3\u7801\uff0c\u4e0e\u4e4b\u524d\u9519\u8bef\u7684\u4ee3\u7801\u76f8\u6bd4\uff0c\u5728SELECT CD.SERVICE_ID, CD.COMPANY_ID, CATEGORY_ID, RATE\u8fd9\u4e00\u884c\uff0c\u5c06RATE\u6539\u4e3a\u4e86RATE*CN\u3002\u9898\u76ee\u91cc\u9762\u5176\u5b9e\u5bf9\u8fd9\u4e2a\u95ee\u9898\u8fdb\u884c\u4e86\u8bf4\u660e\uff0c\u4e0d\u8fc7\u540e\u7eed\u5728\u5904\u7406SQL\u7684\u8fc7\u7a0b\u4e2d\u6f0f\u6389\u4e86\uff0c\u4e8e\u662f\u5bfc\u81f4\u4e86SQL\u7684\u9519\u8bef\u3002<br \/>\n\u4e0b\u9762\u5bf9SQL\u7684\u5b9e\u73b0\u8fdb\u884c\u7b80\u5355\u7684\u8bf4\u660e\uff1a<br \/>\n\u6574\u4e2aSQL\u7531\u4e24\u5927\u90e8\u5206\u7ec4\u6210\uff0c\u7b2c\u4e00\u4e2a\u90e8\u5206\u901a\u8fc7\u6784\u9020\u65e5\u671f\u7684\u65b9\u5f0f\u83b7\u53d6\u6bcf\u5929\u6bcf\u4e2aSERVICE_ID\u548cCOMPANY_ID\u6709\u591a\u5c11\u4e0d\u540c\u7684\u7528\u6237\u4f7f\u7528\u3002\u7b2c\u4e00\u90e8\u5206\u7684\u529f\u80fd\u90fd\u901a\u8fc7WITH\u5b50\u67e5\u8be2\u65b9\u5f0f\u5b9e\u73b0\uff0c\u7b2c\u4e8c\u90e8\u5206\u4e3b\u8981\u662f\u5229\u752811G\u7684PIVOT\u5b9e\u73b0\u5217\u5230\u884c\u7684\u8f6c\u6362\u3002<br \/>\n\u51fa\u4e8e\u6027\u80fd\u65b9\u9762\u7684\u8003\u8651\uff0c\u7b2c\u4e00\u90e8\u5206\u7684\u903b\u8f91\u901a\u8fc7\u7b49\u4ef7\u7684\u4e24\u79cd\u65b9\u5f0f\u5b9e\u73b0\uff1a\u5206\u522b\u662f\u5229\u7528CONNECT BY\u65b9\u5f0f\u6784\u9020\u65e5\u671f\u548c\u5229\u7528MODEL\u8bed\u53e5\u6765\u6784\u9020\u65e5\u671f\uff0c\u8fd9\u4e24\u79cd\u65b9\u5f0f\u5206\u522b\u5bf9\u5e94COMPANY_DAY1\u548cCOMPANY_DAY2\u4e24\u4e2aWITH\u8bed\u53e5\u3002<br \/>\n\u5728\u6211\u7684\u6d4b\u8bd5\u73af\u5883\u4e2d\uff0c\u5f53:P_START_DATE\u4e0e:P_END_DATE\u7684\u65f6\u95f4\u95f4\u9694\u5c0f\u4e8e2\u4e2a\u6708\u7684\u65f6\u5019\uff0c\u7b2c\u4e8c\u79cdMODEL\u65b9\u5f0f\uff0c\u4e5f\u5c31\u662fCOMPANY_DAY2\u7684\u6548\u7387\u66f4\u9ad8\uff0c\u800c\u5f53:P_START_DATE\u4e0e:P_END_DATE\u7684\u65f6\u95f4\u95f4\u9694\u8f83\u957f\uff0c\u6bd4\u5982\u5927\u4e8e1\u5e74\uff0c\u5219\u7b2c\u4e00\u79cd\u65b9\u5f0f\uff0c\u4e5f\u5c31\u662fCOMPANY_DAY1\u7684\u6548\u7387\u8981\u8fdc\u9ad8\u4e8e\u7b2c\u4e8c\u79cd\u65b9\u5f0f\u3002\u7531\u4e8e\u7b2c\u4e00\u79cd\u65b9\u5f0f\u7ebf\u6027\u66f4\u597d\uff0c\u56e0\u6b64\u5728\u4e0d\u786e\u5b9a\u6570\u636e\u5206\u5e03\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u4e8c\u8005\u7684\u9608\u503c\u8bbe\u7f6e\u4e3a60\u5929\uff0c\u5728\u4e24\u4e2aWITH\u4e2d\u52a0\u4e0a\u4e86\u4e92\u65a5\u7684\u5e38\u91cf\u6761\u4ef6\uff0c\u5206\u522b\u4e3a\u65e5\u671f\u95f4\u9694\u5927\u4e8e\u7b49\u4e8e60\u548c\u95f4\u9694\u5c0f\u4e8e60\u3002\u901a\u8fc7UNION ALL\u5c06\u4e24\u4e2aWITH\u67e5\u8be2\u5408\u5e76\uff0c\u4e3a\u7b2c\u4e8c\u90e8\u5206\u6784\u9020\u4e86\u7edf\u4e00\u7684\u63a5\u53e3COMPANY_DAY\uff0c\u4f7f\u5f97SQL\u6839\u636e\u8f93\u5165\u95f4\u9694\u7684\u4e0d\u540c\u81ea\u52a8\u9009\u62e9\u66f4\u4f18\u7684\u4ee3\u7801\u6267\u884c\u3002<br \/>\n\u5b50\u67e5\u8be2COMPANY_DAY1\u7684\u601d\u8def\u5f88\u7b80\u5355\uff1aDAY\u5b50\u67e5\u8be2\u7528\u4e8e\u6784\u9020\u8f93\u5165\u53d8\u91cf:P_START_DATE\u548c:P_END_DATE\u4e4b\u95f4\u6240\u6709\u7684\u65e5\u671f\u4fe1\u606f\u3002\u5173\u8054SERVICE_USAGE\u548cSERVICE_USERS\u8868\uff0c\u83b7\u53d6COMPANY_ID\u548cSERVICE_ID\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u540c\u65f6\u83b7\u53d6\u5bf9\u5e94\u7684\u65f6\u95f4\u8303\u56f4\uff0c\u5f00\u59cb\u65f6\u95f4\u7531SERVICE_USAGE\u4e2dSTART_DATE\u548c\u8f93\u5165\u53d8\u91cf:P_START_DATE\u4e8c\u8005\u4e2d\u5927\u7684\u503c\u786e\u5b9a\uff0c\u7ed3\u675f\u65f6\u95f4\u7531SERVICE_USAGE\u4e2dEND_DATE\u548c\u8f93\u5165\u53d8\u91cf:P_END_DATE\u4e2d\u5c0f\u7684\u786e\u5b9a\u3002<br \/>\n\u901a\u8fc7DAY\u5b50\u67e5\u8be2\u548cCOMPANY_INFO\u5173\u8054\u5e76\u805a\u96c6\uff0c\u4f7f\u7528COUNT(DISTINCT USER_ID)\u662f\u4e3a\u4e86\u907f\u514d\u540c\u4e00\u4e2a\u7528\u6237\u4e00\u5929\u5185\u591a\u6b21\u4f7f\u7528\u8be5\u670d\u52a1\u800c\u88ab\u91cd\u590d\u8ba1\u7b97\u3002\u540c\u6837\u7528\u6237\u914d\u7f6e\u4f7f\u7528\u670d\u52a1\u7684\u65e5\u671f\u533a\u95f4\u7684\u91cd\u53e0\u95ee\u9898\u4e5f\u4f1a\u88abDISTINCT\u6d88\u9664\u6389\u3002\u5b50\u67e5\u8be2COMPANY_DAY2\u7684\u601d\u8def\u5176\u5b9e\u548cCOMPANY_DAY1\u6ca1\u6709\u533a\u522b\uff0c\u53ea\u4e0d\u8fc7\u5229\u7528\u4e86MODEL\u6765\u81ea\u52a8\u751f\u6210\u65e5\u671f\u7ef4\u5ea6\uff0c\u7531\u4e8e\u65e0\u8bba\u662f\u5229\u7528FROM TO\u65b9\u5f0f\u8fd8\u662f\u5229\u7528\u5b50\u67e5\u8be2\u65b9\u5f0f\uff0c\u90fd\u65e0\u6cd5\u5e26\u5165\u5f53\u524d\u8bb0\u5f55\u7684START_DATE\u548cEND_DATE\u3002\u56e0\u6b64\u53ea\u80fd\u4f7f\u7528\u8f93\u5165\u7684\u53d8\u91cf:P_START_DATE\u548c:P_END_DATE\u6784\u9020\u65e5\u671f\u7ef4\u5ea6\uff0c\u968f\u540e\u6784\u9020\u7684\u7ef4\u5ea6DAY\u548c\u8bb0\u5f55\u7684START_DATE\u548cEND_DATE\u8fc7\u6ee4\u6570\u636e\uff0c\u968f\u540e\u7684\u601d\u8def\u548cCOMPANY_DAY1\u76f8\u540c\u3002<br \/>\nCOMPANY_DAY\u4e3b\u8981\u662f\u63d0\u4f9b\u4e00\u4e2a\u7edf\u4e00\u63a5\u53e3\uff0c\u5173\u8054COMPANY_DAY\u548cSERVICE_RATES\u8868\uff0c\u6839\u636e\u6bcf\u5929\u7684\u4eba\u6570\u548cSERVICE_RATES\u7684\u4eba\u6570\u8303\u56f4\u8fdb\u884c\u5339\u914d\uff0c\u6c47\u603b\u5bf9\u5e94\u7684RATE\u5e76\u5229\u7528PIVOT\u8fdb\u884c\u884c\u8f6c\u5217\u64cd\u4f5c\uff0c\u6700\u540e\u5173\u8054SERVICES\u548cCOMPANIES\u7ef4\u5ea6\u8868\u83b7\u53d6\u540d\u79f0\uff0c\u5e76\u8fdb\u884c\u6c47\u603b\u503c\u7684\u8ba1\u7b97<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SQL\u5927\u8d5b\u7b2c\u56db\u671f\u89e3\u6cd5\u7684\u6700\u7ec8\u7b54\u6848\u3002 \u7b2c\u56db\u671f\u9898\u76ee\u53c2\u8003\uff1ahttp:\/\/www.itpub.net\/thread-1411495-1-1.html\u7248\u4e3bnewkid\u70b9\u8bc4\u53c2\u8003\uff1ahttp:\/\/www.itpub.net\/thread-1417576-1-1.html \u6700\u8fd1\u6574\u7406BLOG\u6587\u7ae0\u65f6\u53d1\u73b0\uff0c\u8fd9\u7bc7\u6587\u7ae0\u5f53\u65f6\u6ca1\u6709\u8d34\u51fa\u6765\u3002\u7531\u4e8e\u5f53\u65f6\u53d1\u73b0\u6700\u540e\u4e00\u9898\u51fa\u73b0\u4e86\u9519\u8bef\uff0c\u4e14\u624b\u5934\u7684\u4e8b\u60c5\u6bd4\u8f83\u591a\uff0c\u672c\u6253\u7b97\u641e\u6e05\u695a\u4e4b\u540e\u518d\u628a\u7ed3\u679c\u8d34\u51fa\u6765\uff0c\u6ca1\u60f3\u5230\u540e\u6765\u5fd8\u8bb0\u4e86\u3002\u867d\u7136\u5df2\u7ecf\u8fc7\u53bb\u4e86\u4e00\u5e74\u4e86\uff0c\u4e0d\u8fc7\u4fe1\u5b88\u81ea\u5df1\u7684\u627f\u8bfa\uff0c\u8fd8\u662f\u628a\u6700\u7ec8\u7ed3\u679c\u8d34\u51fa\u6765\u3002 \u6211\u7684\u4ee3\u7801\u4e3a\uff1a WITH DAY AS ( SELECT TO_DATE(:P_START_DATE, &#8216;YYYYMMDD&#8217;) + ROWNUM &#8211; 1 DAY FROM DUAL CONNECT BY ROWNUM = 60 ), COMPANY_DAY1 AS ( SELECT SERVICE_ID, COMPANY_ID, DAY, COUNT(DISTINCT USER_ID) CN FROM DAY D, COMPANY_INFO C WHERE &hellip; <a href=\"https:\/\/yangtingkun.net\/?p=1224\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[1084,1083,593],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2yiY3-jK","_links":{"self":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/1224"}],"collection":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1224"}],"version-history":[{"count":1,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/1224\/revisions"}],"predecessor-version":[{"id":1225,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=\/wp\/v2\/posts\/1224\/revisions\/1225"}],"wp:attachment":[{"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yangtingkun.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}