{"id":160587,"date":"2024-11-03T23:20:20","date_gmt":"2024-11-03T15:20:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160587\/"},"modified":"2024-11-03T23:20:21","modified_gmt":"2024-11-03T15:20:21","slug":"oceanbase-%e6%95%99%e7%a8%8b%ef%bc%9aoceanbase-%e6%96%b0%e5%bb%ba%e7%a8%8b%e5%ba%8f%e5%8c%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160587\/","title":{"rendered":"OceanBase \u6559\u7a0b\uff1aOceanBase \u65b0\u5efa\u7a0b\u5e8f\u5305"},"content":{"rendered":"

OceanBase \u6559\u7a0b\uff1aOceanBase \u65b0\u5efa\u7a0b\u5e8f\u5305<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cOceanBase \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u5206\u4f48\u5f0f\u6578\u64da\u5eab\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u5b83\u4e0d\u50c5\u652f\u6301\u9ad8\u4e26\u767c\u7684\u4e8b\u52d9\u8655\u7406\uff0c\u9084\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u548c\u5bb9\u932f\u80fd\u529b\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 OceanBase \u4e2d\u65b0\u5efa\u7a0b\u5e8f\u5305\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u5229\u7528\u9019\u4e00\u5f37\u5927\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u7a0b\u5e8f\u5305\uff1f<\/h2>\n

\u5728 OceanBase \u4e2d\uff0c\u7a0b\u5e8f\u5305\u662f\u4e00\u7a2e\u5c07\u76f8\u95dc\u7684 PL\/SQL \u7a0b\u5e8f\u3001\u8b8a\u91cf\u548c\u5e38\u91cf\u7d44\u7e54\u5728\u4e00\u8d77\u7684\u7d50\u69cb\u3002\u7a0b\u5e8f\u5305\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5b83\u80fd\u5920\u5c07\u76f8\u95dc\u7684\u529f\u80fd\u6a21\u584a\u5316\uff0c\u4fbf\u65bc\u7ba1\u7406\u548c\u91cd\u7528\u3002\u7a0b\u5e8f\u5305\u901a\u5e38\u7531\u5169\u90e8\u5206\u7d44\u6210\uff1a\u5305\u898f\u7bc4\uff08Specification\uff09\u548c\u5305\u9ad4\uff08Body\uff09\u3002\u5305\u898f\u7bc4\u5b9a\u7fa9\u4e86\u53ef\u4f9b\u5916\u90e8\u8abf\u7528\u7684\u63a5\u53e3\uff0c\u800c\u5305\u9ad4\u5247\u5be6\u73fe\u4e86\u9019\u4e9b\u63a5\u53e3\u7684\u5177\u9ad4\u908f\u8f2f\u3002<\/p>\n

\u65b0\u5efa\u7a0b\u5e8f\u5305\u7684\u6b65\u9a5f<\/h2>\n

1. \u9023\u63a5\u5230 OceanBase \u6578\u64da\u5eab<\/h3>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u4f7f\u7528\u5408\u9069\u7684\u5ba2\u6236\u7aef\u5de5\u5177\uff08\u5982 SQL*Plus \u6216 DBeaver\uff09\u9023\u63a5\u5230 OceanBase \u6578\u64da\u5eab\u3002\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u5275\u5efa\u7a0b\u5e8f\u5305\u3002<\/p>\n

sqlplus username\/password@ob_cluster<\/code><\/pre>\n
2. \u5275\u5efa\u5305\u898f\u7bc4<\/h3>\n
\u5728\u5275\u5efa\u7a0b\u5e8f\u5305\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5148\u5b9a\u7fa9\u5305\u898f\u7bc4\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5305\u898f\u7bc4\u793a\u4f8b\uff1a<\/p>\n
CREATE OR REPLACE PACKAGE my_package AS\n    FUNCTION get_employee_name(emp_id NUMBER) RETURN VARCHAR2;\nEND my_package;<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba my_package<\/code> \u7684\u7a0b\u5e8f\u5305\uff0c\u4e26\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578 get_employee_name<\/code>\uff0c\u8a72\u51fd\u6578\u63a5\u53d7\u4e00\u500b\u54e1\u5de5 ID \u4e26\u8fd4\u56de\u54e1\u5de5\u59d3\u540d\u3002<\/p>\n
3. \u5275\u5efa\u5305\u9ad4<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5be6\u73fe\u5305\u9ad4\uff0c\u9019\u662f\u5305\u7684\u5177\u9ad4\u908f\u8f2f\u3002\u4ee5\u4e0b\u662f\u5c0d\u61c9\u7684\u5305\u9ad4\u793a\u4f8b\uff1a<\/p>\n
CREATE OR REPLACE PACKAGE BODY my_package AS\n    FUNCTION get_employee_name(emp_id NUMBER) RETURN VARCHAR2 IS\n        emp_name VARCHAR2(100);\n    BEGIN\n        SELECT name INTO emp_name FROM employees WHERE id = emp_id;\n        RETURN emp_name;\n    EXCEPTION\n        WHEN NO_DATA_FOUND THEN\n            RETURN 'No employee found';\n    END get_employee_name;\nEND my_package;<\/code><\/pre>\n
\u5728\u9019\u500b\u5305\u9ad4\u4e2d\uff0c\u6211\u5011\u5be6\u73fe\u4e86 get_employee_name<\/code> \u51fd\u6578\uff0c\u901a\u904e\u67e5\u8a62 employees<\/code> \u8868\u4f86\u7372\u53d6\u54e1\u5de5\u59d3\u540d\u3002\u5982\u679c\u627e\u4e0d\u5230\u5c0d\u61c9\u7684\u54e1\u5de5\uff0c\u5247\u8fd4\u56de\u4e00\u689d\u63d0\u793a\u4fe1\u606f\u3002<\/p>\n
4. \u6e2c\u8a66\u7a0b\u5e8f\u5305<\/h3>\n
\u5275\u5efa\u5b8c\u7a0b\u5e8f\u5305\u5f8c\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u6e2c\u8a66\u5b83\uff1a<\/p>\n
SET SERVEROUTPUT ON;\nDECLARE\n    emp_name VARCHAR2(100);\nBEGIN\n    emp_name := my_package.get_employee_name(1);\n    DBMS_OUTPUT.PUT_LINE('Employee Name: ' || emp_name);\nEND;<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u8abf\u7528\u6211\u5011\u525b\u525b\u5275\u5efa\u7684\u7a0b\u5e8f\u5305\uff0c\u4e26\u8f38\u51fa\u54e1\u5de5\u59d3\u540d\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u6210\u529f\u5730\u5728 OceanBase \u4e2d\u5275\u5efa\u4e86\u4e00\u500b\u7a0b\u5e8f\u5305\uff0c\u4e26\u5be6\u73fe\u4e86\u57fa\u672c\u7684\u529f\u80fd\u3002\u7a0b\u5e8f\u5305\u7684\u4f7f\u7528\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff0c\u9084\u80fd\u5920\u4fc3\u9032\u4ee3\u78bc\u7684\u91cd\u7528\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\uff0cOceanBase \u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6216\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b66\u4e60\u5982\u4f55\u5728 OceanBase \u4e2d\u65b0\u5efa\u7a0b\u5e8f\u5305\uff0c\u638c\u63e1\u521b\u5efa\u3001\u7ba1\u7406\u548c\u4f18\u5316\u6570\u636e\u5e93\u7a0b\u5e8f\u5305\u7684\u5b9e\u7528\u6280\u5de7\u4e0e\u6b65\u9aa4\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-160587","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160587","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=160587"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160587\/revisions"}],"predecessor-version":[{"id":160588,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160587\/revisions\/160588"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}