{"id":42065,"date":"2022-11-11T16:49:40","date_gmt":"2024-01-08T07:28:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8postgresql%e4%b8%ad%ef%bc%8c%e7%94%a8%e6%88%b7%e5%af%86%e7%a0%81%e6%98%af%e5%90%a6%e6%9c%89%e9%99%90%e5%88%b6%ef%bc%9f\/"},"modified":"2024-04-29T00:09:59","modified_gmt":"2024-04-28T16:09:59","slug":"%e5%9c%a8postgresql%e4%b8%ad%ef%bc%8c%e7%94%a8%e6%88%b7%e5%af%86%e7%a0%81%e6%98%af%e5%90%a6%e6%9c%89%e9%99%90%e5%88%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8postgresql%e4%b8%ad%ef%bc%8c%e7%94%a8%e6%88%b7%e5%af%86%e7%a0%81%e6%98%af%e5%90%a6%e6%9c%89%e9%99%90%e5%88%b6%ef%bc%9f\/","title":{"rendered":"\u5728PostgreSQL\u4e2d\uff0c\u7528\u6237\u5bc6\u7801\u662f\u5426\u6709\u9650\u5236\uff1f"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u662f2021\u5e74PostgreSQL\u5723\u8bde\u65e5\u5386\u7684\u7b2c15\u5929\u7684\u6587\u7ae0\u3002<\/p>\n

\u8fd9\u4e2a\u8bdd\u9898\u4e0e\u6807\u9898\u4e00\u6837\uff0c\u8be2\u95ee\u4e86\u5173\u4e8e\u8bbe\u7f6ePostgreSQL\u767b\u5f55\u7528\u6237\u5bc6\u7801\u65f6\u662f\u5426\u5b58\u5728\u6700\u5c0f\u5b57\u7b26\u6570\u3001\u6700\u5927\u5b57\u7b26\u6570\u4ee5\u53ca\u53ef\u4f7f\u7528\u5b57\u7b26\u79cd\u7c7b\u7b49\u9650\u5236\u3002<\/p>\n

\u6211\u53c2\u52a0\u4e86\u7b2c18\u5c4aPostgreSQL\u975e\u4f1a\u8bae\uff0c\u5e76\u5728\u540c\u4e00\u4e2a\u4e3b\u9898\u4e0a\u53d1\u8868\u4e86\u6f14\u8bb2\uff0c\u4f46\u662f\u6211\u7a81\u7136\u60f3\u8d77\u6765\u6211\u6ca1\u6709\u628a\u8fd9\u7bc7\u6587\u7ae0\u6574\u7406\u6210\u4e00\u7bc7\uff0c\u800c\u4e14\u8fd8\u6709\u5723\u8bde\u8282\u65e5\u5386\uff0c\u8fd9\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u673a\u4f1a\uff0c\u6240\u4ee5\u6211\u51b3\u5b9a\u6574\u7406\u4e00\u4e0b\u3002<\/p>\n

\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8fd9\u91cc\u662f\u5728Ankan Conference\u4e0a\u7684\u6f14\u8bb2\u8d44\u6599\u3002
\n\u8ffd\u5bfbPostgreSQL\u5bc6\u7801\u7684\u8c1c\u56e2\uff01<\/p>\n

\u7ed3\u8bba<\/h1>\n

\u603b\u7684\u6765\u8bf4\uff0cPostgreSQL\u7528\u6237\u7684\u5bc6\u7801\u5b9e\u9645\u4e0a\u6ca1\u6709\u9650\u5236\u3002\u7136\u800c\uff0c\u4f7f\u7528\u591a\u5b57\u8282\u5b57\u7b26\u6216\u8005\u5f02\u5e38\u957f\u7684\u5b57\u7b26\u4e32\u7b49\u8fc7\u4e8e\u5947\u7279\u7684\u5bc6\u7801\u662f\u4e0d\u5b9e\u7528\u7684\u3002\u8bf7\u4f7f\u7528\u5e38\u89c1\u7684\u5b57\u7b26\u7c7b\u578b\u548c\u5b57\u7b26\u6570\u91cf\u6765\u8bbe\u7f6e\u5bc6\u7801\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u9009\u62e9\u4ee5\u8fd9\u4e2a\u4e3b\u9898\u5199\u6587\u7ae0\u3002<\/h1>\n

\u6211\u6b63\u5728\u8fdb\u884cPostgreSQL\u7684\u5b89\u88c5\u548c\u8bbe\u8ba1\u5de5\u4f5c\uff0c\u5f53\u521b\u5efa\u7528\u6237\u65f6\uff0c\u6211\u4f1a\u8be2\u95ee\u5ba2\u6237\uff1a\u201c\u60a8\u5e0c\u671b\u5982\u4f55\u8bbe\u7f6e\u5bc6\u7801\uff1f\u5982\u679c\u60a8\u6709\u9879\u76ee\u4e2d\u4f7f\u7528\u7684\u89c4\u5219\uff0c\u8bf7\u544a\u8bc9\u6211\u3002\u201d\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u9879\u76ee\u4f1a\u6709\u7edf\u4e00\u7684\u5bc6\u7801\u89c4\u5219\uff0c\u4f46\u6709\u65f6\u89c4\u5219\u5c1a\u672a\u786e\u5b9a\uff0c\u53cd\u800c\u4f1a\u88ab\u95ee\u5230\u201c\u8bf7\u544a\u8bc9\u6211\u5728PostgreSQL\u4e2d\u53ef\u7528\u7684\u5bc6\u7801\u5b57\u7b26\u548c\u957f\u5ea6\u662f\u591a\u5c11\u201d\u3002<\/p>\n

\u73b0\u5728\u9047\u5230\u4e86\u56f0\u96be\u3002\u7531\u4e8e\u7528\u6237\u53ef\u4ee5\u521b\u5efa\u4efb\u4f55\u7c7b\u578b\u7684\u5bc6\u7801\uff0c\u56e0\u6b64\u6211\u4ece\u672a\u5173\u6ce8\u8fc7\u5bc6\u7801\u9650\u5236\u3002\u5728MySQL\u4e2d\u53ef\u4ee5\u8bbe\u7f6e\u5bc6\u7801\u7b56\u7565\u3002
\n\u867d\u7136\u53ef\u4ee5\u8bf4\u201c\u6ca1\u6709\u9650\u5236\u201d\uff0c\u4f46\u6ca1\u6709\u4f9d\u636e\u3002\u57fa\u4e8e\u201c\u4ee5\u524d\u4efb\u4f55\u5bc6\u7801\u90fd\u53ef\u4ee5\u201d\u7684\u7406\u7531\u6709\u4e9b\u8584\u5f31\u3002\u65e2\u7136\u5982\u6b64\uff0c\u6211\u51b3\u5b9a\u8c03\u67e5\u4e00\u4e0b\u5bc6\u7801\u9650\u5236\u3002<\/p>\n

\u6211\u5728\u7f51\u4e0a\u8bd5\u7740\u641c\u7d22\u4e00\u4e0b<\/h1>\n

\u5c1d\u8bd5\u4f7f\u7528\u5173\u952e\u5b57\u300cPostgreSQL \u5bc6\u7801\u9650\u5236\u300d\u7b49\u641c\u7d22\uff0c\u867d\u7136\u80fd\u627e\u5230\u6709\u5173\u4f7f\u7528PostgreSQL\u4f5c\u4e3a\u6570\u636e\u5e93\u5de5\u5177\u65f6\u7684\u5bc6\u7801\u9650\u5236\uff0c\u4f46\u5c1a\u672a\u627e\u5230\u6709\u5173PostgreSQL\u672c\u8eab\u5bc6\u7801\u9650\u5236\u7684\u63cf\u8ff0\u7684\u7f51\u7ad9\u3002\uff08\u6b64\u8a00\u4ec5\u6307\u5728\u672a\u7ecf\u8bba\u8bc1\u7684\u60c5\u51b5\u4e0b\u53d1\u8868\u65f6\u3002\uff09<\/p>\n

\u5c1d\u8bd5\u9605\u8bfb\u624b\u518c<\/h1>\n

PostgreSQL\u7684\u65e5\u672c\u8bed\u624b\u518c\u56e0\u4e3a\u70ed\u5fc3\u5fd7\u613f\u8005\u7684\u7ffb\u8bd1\u800c\u53d8\u5f97\u66f4\u52a0\u5b8c\u5584\uff08\u975e\u5e38\u611f\u8c22\uff09\u3002\u6211\u67e5\u9605\u4e86\u6d89\u53ca\u7528\u6237\u5bc6\u7801\u7684\u547d\u4ee4\uff0c\u5982CREATE ROLE\u548cALTER ROLE\uff0c\u4f46\u5f88\u9057\u61be\uff0c\u5e76\u6ca1\u6709\u5173\u4e8e\u5bc6\u7801\u9650\u5236\u7684\u4efb\u4f55\u8bf4\u660e\u3002<\/p>\n

\u76f4\u89c9\u4e0a\u6765\u8003\u8651\uff0c\u5982\u679c\u5bc6\u7801\u6709\u9650\u5236\u7684\u8bdd\uff0c\u5e94\u8be5\u5728\u624b\u518c\u4e2d\u6709\u8bb0\u8f7d\u3002\u5982\u679c\u6ca1\u6709\u8fd9\u6837\u7684\u8bb0\u8f7d\uff0c\u96be\u9053\u662f\u8bf4\u660e\u6ca1\u6709\u9650\u5236\u5417\uff1f<\/p>\n

\u4e0d\u8fc7\uff0c\u771f\u7684\u4f1a\u53d1\u751f\u8fd9\u79cd\u4e8b\u60c5\u5417\uff1f<\/p>\n

\u6211\u8bfb\u8bfb\u8fd9\u4e2a\u6765\u6e90\u3002<\/h1>\n

\u6211\u51b3\u5b9a\u9605\u8bfb\u6700\u53ef\u9760\u7684\u6587\u732e\u6765\u6e90\u3002<\/p>\n

\u7136\u800c\uff0cPostgreSQL\u662f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u7a0b\u5e8f\u3002\u5f88\u9057\u61be\uff0c\u7b14\u8005\u6ca1\u6709C\u8bed\u8a00\u7f16\u7a0b\u7ecf\u9a8c\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u6211\u51b3\u5b9a\u8bfb\u4e00\u90e8\u5206\u53ef\u80fd\u80fd\u591f\u7406\u89e3\u7684\u5185\u5bb9\uff0c\u800c\u4e0d\u662f\u5168\u90e8\u3002\u8fd9\u5c31\u662f\u80fd\u591f\u76f4\u63a5\u67e5\u9605\u6e90\u4ee3\u7801\u7684\u5f00\u6e90\u8f6f\u4ef6PostgreSQL\u7684\u4f18\u70b9\u3002<\/p>\n

\u4e0b\u8f7d\u548c\u89e3\u538b\u6e90\u4ee3\u7801\u3002<\/h2>\n

\u8bf7\u4ece\u4ee5\u4e0b\u7684URL\u4e0b\u8f7d\u6e90\u4ee3\u7801\u3002<\/p>\n

\u5982\u679c\u60a8\u6709\u9002\u7528\u7684\u7248\u672c\uff0c\u8bf7\u4ece\u8be5\u6587\u4ef6\u5939\u4e2d\u4e0b\u8f7d\u6700\u65b0\u7248\u672c14.1\u7684\u6e90\u4ee3\u7801\u3002<\/p>\n

\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

\u53ef\u80fd\u7531\u4e8e\u7248\u672c\u7684\u4e0d\u540c\u5b58\u5728\u5dee\u5f02\uff0c\u4f46\u6e90\u4ee3\u7801\u5e94\u8be5\u4ee5tar.bz2\u6216tar.gz\u7684\u5f62\u5f0f\u8fdb\u884c\u538b\u7f29\u3002\u5982\u60a8\u4f7f\u7528Windows\u64cd\u4f5c\u7cfb\u7edf\uff0c\u8bf7\u4f7f\u7528\u76f8\u5e94\u7684\u89e3\u538b\u5de5\u5177\u8fdb\u884c\u89e3\u538b\u7f29\u3002\u8fd9\u4e24\u79cd\u538b\u7f29\u6587\u4ef6\u7684\u5185\u5bb9\u662f\u76f8\u540c\u7684\u3002<\/p>\n

\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

\u5c55\u5f00\u540e\uff0c\u4f1a\u89e3\u538b\u51fa\u4ee5\u4e0b\u7684\u6587\u4ef6\u5939\u548c\u6587\u4ef6\u3002PostgreSQL\u7684\u6e90\u4ee3\u7801\u5b58\u50a8\u5728src\u6587\u4ef6\u5939\u4e2d\u3002<\/p>\n

\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

\u5c3d\u7ba1src\u6587\u4ef6\u5939\u7684\u5185\u5bb9\u5f88\u590d\u6742\uff0c\u4e00\u773c\u770b\u4e0a\u53bb\u65e0\u6cd5\u786e\u5b9a\u6bcf\u4e2a\u4e1c\u897f\u5728\u54ea\u91cc\u3002
\n\u5173\u4e8e\u8be6\u7ec6\u6587\u4ef6\u5939\u7684\u8bf4\u660e\uff0c\u6211\u5c06\u4ea4\u7ed9\u5176\u4ed6\u4eba\uff0c\u4f46\u8bf7\u8bb0\u4f4fbackend\u6587\u4ef6\u5939\u7684\u5185\u5bb9\u662fPostgreSQL\u670d\u52a1\u5668\u7aef\u6838\u5fc3\u7684\u4e00\u90e8\u5206\u3002\u8fd9\u6b21\u8981\u786e\u8ba4\u7684\u4e0e\u7528\u6237\u5bc6\u7801\u76f8\u5173\u7684\u6e90\u4ee3\u7801\u4e5f\u5728\u5176\u4e2d\u3002<\/p>\n

\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

\u8c03\u67e5\u4e0e\u7528\u6237\u76f8\u5173\u7684\u6765\u6e90<\/h2>\n

\u5728backend\/commands\u6587\u4ef6\u5939\u4e2d\uff0c\u8bb0\u5f55\u7740\u4e0e\u7528\u6237\u521b\u5efa\u548c\u4fee\u6539\u76f8\u5173\u7684\u6e90\u4ee3\u7801\uff0c\u5b83\u4eec\u88ab\u5199\u5728\u540d\u4e3auser.c\u7684\u6e90\u6587\u4ef6\u4e2d\u3002
\n\u8ddf\u8e2a\u5176\u4e2d\u7684CreateRole\u51fd\u6570\uff0c\u770b\u770b\u662f\u5426\u5b58\u5728\u4e0e\u5bc6\u7801\u76f8\u5173\u7684\u8bb0\u5f55\u3002<\/p>\n

CreateRole\u51fd\u6570\u9996\u5148\u58f0\u660e\u4e86\u53d8\u91cf\u3002\u5728\u8fd9\u4e2a\u9636\u6bb5\uff0c\u5bc6\u7801\u7684\u9650\u5236\u8fd8\u6ca1\u6709\u5173\u7cfb\u3002<\/p>\n

\u7136\u540e\u68c0\u67e5\u6267\u884cCREATE ROLE\u65f6\u7684\u9009\u9879\u7ec4\u5408\u4ee5\u53ca\u6307\u5b9a\u9009\u9879\u662f\u5426\u5177\u6709\u6267\u884c\u6743\u9650\uff0c\u5982\u679c\u4e0d\u80fd\u6267\u884c\uff0c\u5219\u8fd4\u56de\u9519\u8bef\u6d88\u606f\u3002
\n\u5728\u8fd9\u4e2a\u9636\u6bb5\uff0c\u4ec5\u68c0\u67e5\u9009\u9879\uff0c\u4e0d\u68c0\u67e5\u5bc6\u7801\u672c\u8eab\u3002<\/p>\n

\u5f53\u5404\u79cd\u68c0\u67e5\u5b8c\u6210\u540e\uff0c\u4f1a\u5f15\u7528\u540d\u4e3acheck_password_hook\u7684\u53d8\u91cf\uff0c\u5e76\u51fa\u73b0\u4e00\u4e2a\u7c7b\u4f3c\u8fdb\u884c\u5bc6\u7801\u68c0\u67e5\u7684if\u8bed\u53e5\u3002<\/p>\n

\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n

\u300c\u54e6\uff01\u679c\u7136\u5728\u8fdb\u884c\u67d0\u79cd\u68c0\u67e5\uff01\u300d\u6211\u60f3\u5230\uff0c\u4f46\u662fcheck_password_hook\u53d8\u91cf\u662f\u5728user.c\u7684\u5f00\u5934\u58f0\u660e\u7684\u53d8\u91cf\uff0c\u5e76\u4e14\u521d\u59cb\u5316\u4e3aNULL\uff0c\u5e76\u4e14\u81f3\u4eca\u6ca1\u6709\u5c06\u5176\u8d4b\u4e88\u4e0d\u540c\u7684\u503c\u7684\u884c\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e2aif\u8bed\u53e5\u662f\u4e0d\u4f1a\u6267\u884c\u7684\u3002\u6700\u7ec8\u5e76\u6ca1\u6709\u8fdb\u884c\u5bc6\u7801\u68c0\u67e5\u3002<\/p>\n

\u63a5\u4e0b\u6765\u7684\u64cd\u4f5c\u662f\u5411\u540d\u4e3apg_authid\u7684\u7cfb\u7edf\u76ee\u5f55\u4e2d\u6dfb\u52a0\u8bb0\u5f55\uff0c\u8be5\u76ee\u5f55\u7528\u4e8e\u5b58\u50a8\u4e0e\u7528\u6237\u548c\u89d2\u8272\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u4f46\u4e0d\u4f1a\u8fdb\u884c\u5bc6\u7801\u68c0\u67e5\uff0c\u4e00\u76f4\u5230\u6700\u540e\u3002<\/p>\n

\u771f\u7684\u6ca1\u6709\u9650\u5236\u5417\uff1f<\/h1>\n

\u4f60\u771f\u7684\u6ca1\u6709\u68c0\u67e5\u5bc6\u7801\u5417\uff1f\u771f\u7684\u65e0\u6240\u8c13\u5417\uff1f\u6211\u8bd5\u7740\u8bd5\u4e00\u4e0b\u3002<\/p>\n

\u591a\u5b57\u8282\u5b57\u7b26\u5bc6\u7801<\/h3>\n

\u6211\u5c1d\u8bd5\u6267\u884c\u4e86\u4ee5\u4e0bSQL\u8bed\u53e5\u3002<\/p>\n

CREATE<\/span> ROLE<\/span> multibyte_user<\/span> LOGIN<\/span> PASSWORD<\/span> '\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u3067'<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u5f88\u597d\u5730\u7531\u7528\u6237\u81ea\u5df1\u521b\u5efa\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
\u957f\u5bc6\u7801<\/h3>\n
\u6211\u5c1d\u8bd5\u4f7f\u75281024\u4e2a\u5b57\u7b26\u521b\u5efa\u7528\u6237\u7684\u5bc6\u7801\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
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