{"id":179226,"date":"2024-11-09T00:03:22","date_gmt":"2024-11-08T16:03:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179226\/"},"modified":"2024-11-09T00:03:23","modified_gmt":"2024-11-08T16:03:23","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e4%b8%ad%e7%9a%84%e4%b8%bb%e9%8d%b5%e8%87%aa%e5%a2%9e%e8%a8%ad%e7%bd%ae%ef%bc%9f-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179226\/","title":{"rendered":"\u5982\u4f55\u4fee\u6539\u6578\u64da\u5eab\u8868\u4e2d\u7684\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e\uff1f (\u6578\u64da\u5eab\u8868 \u4fee\u6539\u4e3b\u9375\u81ea\u589e)"},"content":{"rendered":"

\u5982\u4f55\u4fee\u6539\u6578\u64da\u5eab\u8868\u4e2d\u7684\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e\uff1f<\/h1>\n

\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u4e3b\u9375\u662f\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u884c\u6578\u64da\u7684\u91cd\u8981\u5143\u7d20\u3002\u81ea\u589e\u4e3b\u9375\u5247\u662f\u81ea\u52d5\u751f\u6210\u7684\u6578\u5b57\uff0c\u901a\u5e38\u7528\u65bc\u7c21\u5316\u6578\u64da\u63d2\u5165\u7684\u904e\u7a0b\u3002\u7576\u9700\u8981\u4fee\u6539\u6578\u64da\u5eab\u8868\u4e2d\u7684\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e\u6642\uff0c\u53ef\u80fd\u662f\u56e0\u70ba\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u66f4\u6216\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u8abf\u6574\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u4fee\u6539\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n

1. MySQL\u4e2d\u7684\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e<\/h2>\n

\u5728MySQL\u4e2d\uff0c\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e\u901a\u5e38\u662f\u5728\u5275\u5efa\u8868\u6642\u6307\u5b9a\u7684\uff0c\u4f46\u4e5f\u53ef\u4ee5\u5728\u8868\u5275\u5efa\u5f8c\u9032\u884c\u4fee\u6539\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728MySQL\u4e2d\u4fee\u6539\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e\u7684\u6b65\u9a5f\uff1a<\/p>\n

1.1 \u4fee\u6539\u81ea\u589e\u503c<\/h3>\n

\u5982\u679c\u9700\u8981\u66f4\u6539\u81ea\u589e\u7684\u8d77\u59cb\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n

ALTER TABLE \u8868\u540d AUTO_INCREMENT = \u65b0\u7684\u8d77\u59cb\u503c;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u5e0c\u671b\u5c07\u81ea\u589e\u503c\u8a2d\u7f6e\u70ba1000\uff0c\u53ef\u4ee5\u57f7\u884c\uff1a<\/p>\n
ALTER TABLE users AUTO_INCREMENT = 1000;<\/code><\/pre>\n
1.2 \u66f4\u6539\u4e3b\u9375\u5217\u7684\u81ea\u589e\u5c6c\u6027<\/h3>\n
\u5982\u679c\u9700\u8981\u5c07\u4e00\u500b\u5df2\u5b58\u5728\u7684\u5217\u8a2d\u7f6e\u70ba\u81ea\u589e\u4e3b\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n
ALTER TABLE \u8868\u540d MODIFY \u5217\u540d INT NOT NULL AUTO_INCREMENT;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5c07users\u8868\u4e2d\u7684id\u5217\u8a2d\u7f6e\u70ba\u81ea\u589e\u4e3b\u9375\uff1a<\/p>\n
ALTER TABLE users MODIFY id INT NOT NULL AUTO_INCREMENT;<\/code><\/pre>\n
2. SQL Server\u4e2d\u7684\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e<\/h2>\n
\u5728SQL Server\u4e2d\uff0c\u81ea\u589e\u4e3b\u9375\u662f\u901a\u904eIDENTITY\u5c6c\u6027\u4f86\u5be6\u73fe\u7684\u3002\u8981\u4fee\u6539\u81ea\u589e\u8a2d\u7f6e\uff0c\u901a\u5e38\u9700\u8981\u5275\u5efa\u4e00\u500b\u65b0\u7684\u8868\uff0c\u7136\u5f8c\u5c07\u6578\u64da\u5f9e\u820a\u8868\u8f49\u79fb\u5230\u65b0\u8868\u4e2d\u3002<\/p>\n
2.1 \u5275\u5efa\u65b0\u8868<\/h3>\n
CREATE TABLE \u65b0\u8868\u540d (\n    id INT IDENTITY(1,1) PRIMARY KEY,\n    \u52171 \u6578\u64da\u985e\u578b,\n    \u52172 \u6578\u64da\u985e\u578b\n);<\/code><\/pre>\n
2.2 \u8907\u88fd\u6578\u64da<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528INSERT INTO\u8a9e\u53e5\u5c07\u6578\u64da\u5f9e\u820a\u8868\u8907\u88fd\u5230\u65b0\u8868\uff1a<\/p>\n
INSERT INTO \u65b0\u8868\u540d (\u52171, \u52172)\nSELECT \u52171, \u52172 FROM \u820a\u8868\u540d;<\/code><\/pre>\n
2.3 \u522a\u9664\u820a\u8868<\/h3>\n
\u6700\u5f8c\uff0c\u522a\u9664\u820a\u8868\u4e26\u5c07\u65b0\u8868\u91cd\u547d\u540d\uff1a<\/p>\n
DROP TABLE \u820a\u8868\u540d;\nEXEC sp_rename '\u65b0\u8868\u540d', '\u820a\u8868\u540d';<\/code><\/pre>\n
3. PostgreSQL\u4e2d\u7684\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e<\/h2>\n
\u5728PostgreSQL\u4e2d\uff0c\u81ea\u589e\u4e3b\u9375\u662f\u901a\u904eSERIAL\u6216BIGSERIAL\u6578\u64da\u985e\u578b\u4f86\u5be6\u73fe\u7684\u3002\u8981\u4fee\u6539\u81ea\u589e\u8a2d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n
3.1 \u4fee\u6539\u81ea\u589e\u5e8f\u5217<\/h3>\n
\u5982\u679c\u9700\u8981\u66f4\u6539\u81ea\u589e\u5e8f\u5217\u7684\u8d77\u59cb\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n
ALTER SEQUENCE \u5e8f\u5217\u540d RESTART WITH \u65b0\u7684\u8d77\u59cb\u503c;<\/code><\/pre>\n
\u4f8b\u5982\uff1a<\/p>\n
ALTER SEQUENCE users_id_seq RESTART WITH 1000;<\/code><\/pre>\n
3.2 \u66f4\u6539\u5217\u7684\u81ea\u589e\u5c6c\u6027<\/h3>\n
\u5982\u679c\u9700\u8981\u5c07\u4e00\u500b\u5df2\u5b58\u5728\u7684\u5217\u8a2d\u7f6e\u70ba\u81ea\u589e\u4e3b\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
ALTER TABLE \u8868\u540d ALTER COLUMN \u5217\u540d SET DEFAULT nextval('\u5e8f\u5217\u540d');<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u4fee\u6539\u6578\u64da\u5eab\u8868\u4e2d\u7684\u4e3b\u9375\u81ea\u589e\u8a2d\u7f6e\u662f\u4e00\u500b\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u6d89\u53ca\u5230\u4e0d\u540c\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u7279\u5b9a\u8a9e\u6cd5\u548c\u6b65\u9a5f\u3002\u7121\u8ad6\u662f\u5728MySQL\u3001SQL Server\u9084\u662fPostgreSQL\u4e2d\uff0c\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u5730\u9032\u884c\u9019\u4e9b\u4fee\u6539\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u9748\u6d3b\u6027\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u8868\u4e2d\u4fee\u6539\u4e3b\u9375\u7684\u81ea\u589e\u8a2d\u7f6e\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u8207\u6027\u80fd\u512a\u5316\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-179226","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179226","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=179226"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179226\/revisions"}],"predecessor-version":[{"id":179227,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179226\/revisions\/179227"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}