{"id":154205,"date":"2024-11-02T13:50:21","date_gmt":"2024-11-02T05:50:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154205\/"},"modified":"2024-11-02T13:50:23","modified_gmt":"2024-11-02T05:50:23","slug":"%e8%aa%bf%e7%94%a8oracle-%e5%88%86%e9%a0%81%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%9b%b4%e7%82%ba%e5%bf%ab%e6%8d%b7%e7%9a%84%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154205\/","title":{"rendered":"\u8abf\u7528Oracle \u5206\u9801\u5b58\u5132\u904e\u7a0b\u66f4\u70ba\u5feb\u6377\u7684\u65b9\u6848"},"content":{"rendered":"<h1 id=\"%e8%aa%bf%e7%94%a8oracle-%e5%88%86%e9%a0%81%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e6%9b%b4%e7%82%ba%e5%bf%ab%e6%8d%b7%e7%9a%84%e6%96%b9%e6%a1%88-HOmmdpWBEC\">\u8abf\u7528Oracle \u5206\u9801\u5b58\u5132\u904e\u7a0b\u66f4\u70ba\u5feb\u6377\u7684\u65b9\u6848<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6578\u64da\u7684\u6709\u6548\u7ba1\u7406\u548c\u6aa2\u7d22\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8655\u7406\u6578\u64da\u67e5\u8a62\uff0c\u5176\u4e2d\u5206\u9801\u67e5\u8a62\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u901a\u904e\u8abf\u7528Oracle\u7684\u5206\u9801\u5b58\u5132\u904e\u7a0b\u4f86\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%ef%bc%9f-HOmmdpWBEC\">\u4ec0\u9ebc\u662f\u5206\u9801\u67e5\u8a62\uff1f<\/h2>\n<p>\u5206\u9801\u67e5\u8a62\u662f\u6307\u5c07\u67e5\u8a62\u7d50\u679c\u5206\u6210\u591a\u500b\u9801\u9762\uff0c\u4ee5\u4fbf\u7528\u6236\u53ef\u4ee5\u9010\u6b65\u67e5\u770b\u6578\u64da\u3002\u9019\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7279\u5225\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u6e1b\u5c11\u4e00\u6b21\u6027\u52a0\u8f09\u7684\u6578\u64da\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u5206\u9801\u67e5\u8a62\uff0c\u5176\u4e2d\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u65b9\u5f0f\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e9%80%b2%e8%a1%8c%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2-HOmmdpWBEC\">\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u9032\u884c\u5206\u9801\u67e5\u8a62<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u7279\u5b9a\u7684\u4efb\u52d9\u3002\u901a\u904e\u4f7f\u7528\u5b58\u5132\u904e\u7a0b\u4f86\u5be6\u73fe\u5206\u9801\u67e5\u8a62\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u6548\u7387\uff0c\u4e26\u6e1b\u5c11\u7db2\u7d61\u50b3\u8f38\u7684\u6578\u64da\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500bOracle\u5b58\u5132\u904e\u7a0b\u4f86\u5be6\u73fe\u5206\u9801\u67e5\u8a62\uff1a<\/p>\n<pre><code>\nCREATE OR REPLACE PROCEDURE get_paginated_data (\n    p_page_number IN NUMBER,\n    p_page_size IN NUMBER,\n    p_cursor OUT SYS_REFCURSOR\n) AS\nBEGIN\n    OPEN p_cursor FOR\n    SELECT *\n    FROM (\n        SELECT a.*, ROWNUM rnum\n        FROM (\n            SELECT *\n            FROM your_table\n            ORDER BY your_column\n        ) a\n        WHERE ROWNUM  (p_page_number - 1) * p_page_size;\nEND;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba `get_paginated_data` \u7684\u5b58\u5132\u904e\u7a0b\uff0c\u63a5\u53d7\u9801\u78bc\u548c\u6bcf\u9801\u5927\u5c0f\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u6e38\u6a19\uff0c\u8a72\u6e38\u6a19\u5305\u542b\u6240\u9700\u7684\u5206\u9801\u6578\u64da\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u9748\u6d3b\u5730\u7372\u53d6\u4e0d\u540c\u9801\u9762\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e8%aa%bf%e7%94%a8%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b-HOmmdpWBEC\">\u8abf\u7528\u5b58\u5132\u904e\u7a0b<\/h2>\n<p>\u4e00\u65e6\u5b58\u5132\u904e\u7a0b\u5275\u5efa\u5b8c\u6210\uff0c\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u4f86\u8abf\u7528\u5b83\uff1a<\/p>\n<pre><code>\nDECLARE\n    v_cursor SYS_REFCURSOR;\n    v_record your_table%ROWTYPE;\n    v_page_number NUMBER := 1; -- \u7b2c1\u9801\n    v_page_size NUMBER := 10;   -- \u6bcf\u980110\u689d\u6578\u64da\nBEGIN\n    get_paginated_data(v_page_number, v_page_size, v_cursor);\n    \n    LOOP\n        FETCH v_cursor INTO v_record;\n        EXIT WHEN v_cursor%NOTFOUND;\n        -- \u8655\u7406\u6bcf\u689d\u8a18\u9304\n        DBMS_OUTPUT.PUT_LINE(v_record.your_column);\n    END LOOP;\n    \n    CLOSE v_cursor;\nEND;\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u8072\u660e\u4e86\u4e00\u500b\u6e38\u6a19\uff0c\u7136\u5f8c\u8abf\u7528 `get_paginated_data` \u5b58\u5132\u904e\u7a0b\uff0c\u4e26\u5c07\u7d50\u679c\u9010\u689d\u63d0\u53d6\u51fa\u4f86\u9032\u884c\u8655\u7406\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u5316\u4e86\u67e5\u8a62\u904e\u7a0b\uff0c\u9084\u63d0\u9ad8\u4e86\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%bb%ba%e8%ad%b0-HOmmdpWBEC\">\u512a\u5316\u5206\u9801\u67e5\u8a62\u7684\u5efa\u8b70<\/h2>\n<ul>\n<li><strong>\u7d22\u5f15\u512a\u5316\uff1a<\/strong>\u78ba\u4fdd\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u4e0a\u5efa\u7acb\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u9650\u5236\u8fd4\u56de\u7684\u5217\uff1a<\/strong>\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u800c\u4e0d\u662f\u4f7f\u7528 SELECT *\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5408\u9069\u7684\u6392\u5e8f\uff1a<\/strong>\u5728\u5206\u9801\u67e5\u8a62\u4e2d\uff0c\u6392\u5e8f\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u78ba\u4fdd\u4f7f\u7528\u5408\u9069\u7684\u6392\u5e8f\u5217\u4f86\u7372\u53d6\u6b63\u78ba\u7684\u7d50\u679c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HOmmdpWBEC\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528Oracle\u7684\u5b58\u5132\u904e\u7a0b\u4f86\u5be6\u73fe\u5206\u9801\u67e5\u8a62\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u548c\u9748\u6d3b\u6027\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u5316\u4e86\u67e5\u8a62\u904e\u7a0b\uff0c\u9084\u80fd\u6709\u6548\u7ba1\u7406\u5927\u91cf\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0c\u9019\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u65b9\u6848\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u696d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u66f4\u5feb\u6377\u7684\u65b9\u6848\u4f86\u8abf\u7528Oracle\u5206\u9801\u5b58\u5132\u904e\u7a0b\uff0c\u63d0\u9ad8\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-154205","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=154205"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154205\/revisions"}],"predecessor-version":[{"id":154206,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154205\/revisions\/154206"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154205"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}