{"id":42169,"date":"2023-03-13T13:43:29","date_gmt":"2023-11-22T08:53:26","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8unix%e5%9f%9f%e5%a5%97%e6%8e%a5%e5%ad%97%e8%ae%bf%e9%97%aepostgresql%e3%80%82\/"},"modified":"2024-04-29T18:41:40","modified_gmt":"2024-04-29T10:41:40","slug":"%e4%bd%bf%e7%94%a8unix%e5%9f%9f%e5%a5%97%e6%8e%a5%e5%ad%97%e8%ae%bf%e9%97%aepostgresql%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8unix%e5%9f%9f%e5%a5%97%e6%8e%a5%e5%ad%97%e8%ae%bf%e9%97%aepostgresql%e3%80%82\/","title":{"rendered":"\u4f7f\u7528UNIX\u57df\u5957\u63a5\u5b57\u8bbf\u95eepostgresql"},"content":{"rendered":"<p>\u8003\u8651\u5230PostgreSQL\u7684\u8ba4\u8bc1\u8fc7\u7a0b\u53ef\u80fd\u4f1a\u5f88\u9ebb\u70e6\uff0c\u56e0\u6b64\u6211\u4eec\u4f7f\u7528postgres\u7528\u6237\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<pre class=\"post-pre\"><code>\/\/ docker\u30b3\u30f3\u30c6\u30ca\u3067postgresql\u3092\u69cb\u7bc9version\u306fCentOS\u6a19\u6e96\u306e9.2\r\n<span class=\"nv\">$ <\/span>docker run <span class=\"nt\">--privileged<\/span><span class=\"o\">=<\/span><span class=\"nb\">true<\/span> <span class=\"nt\">-d<\/span> <span class=\"nt\">--name<\/span> testpg <span class=\"nt\">-v<\/span> <span class=\"sb\">`<\/span><span class=\"nb\">pwd<\/span><span class=\"sb\">`<\/span>\/pg:\/run\/uds <span class=\"nt\">-i<\/span> <span class=\"nt\">-t<\/span> docker.io\/centos:7.4.1708  \/sbin\/init\r\n<span class=\"nv\">$ <\/span>docker <span class=\"nb\">exec<\/span> <span class=\"nt\">-i<\/span> <span class=\"nt\">-t<\/span> testpg \/bin\/bash\r\n<span class=\"c\"># yum install -y postgresql-server perl-DBD-Pg bash-completion<\/span>\r\n\r\n\/\/ bash-completion\u4fbf\u5229\u306a\u306e\u3067\u5165\u308c\u3066\u304a\u304f\r\n<span class=\"c\"># source \/root\/.bashrc<\/span>\r\n\r\n\/\/ initdb\u306f\u3053\u3046\u547c\u3076\u3089\u3057\u3044\r\n<span class=\"c\"># export PGSETUP_INITDB_OPTIONS=\"--encoding=UTF-8 --locale=C\"<\/span>\r\n<span class=\"c\"># postgresql-setup initdb<\/span>\r\n\r\n<span class=\"c\"># systemctl start postgresql.service<\/span>\r\n<span class=\"c\"># su - postgres<\/span>\r\n<span class=\"nv\">$ <\/span>createdb company\r\n<span class=\"nv\">$ <\/span>psql company <span class=\"nt\">-c<\/span> <span class=\"s2\">\"CREATE TABLE employee (id serial primary key, name text);\"<\/span>\r\n<span class=\"nv\">$ <\/span>psql company <span class=\"nt\">-c<\/span> <span class=\"s2\">\"INSERT INTO employee (name) VALUES ('\u793e\u9577')\"<\/span>\r\n<span class=\"nv\">$ <\/span>psql company <span class=\"nt\">-c<\/span> <span class=\"s2\">\"INSERT INTO employee (name) VALUES ('\u79d8\u66f8')\"<\/span>\r\n<span class=\"nv\">$ <\/span>psql company <span class=\"nt\">-c<\/span> <span class=\"s2\">\"INSERT INTO employee (name) VALUES ('\u611b\u4eba')\"<\/span>\r\n<span class=\"nv\">$ <\/span>psql company <span class=\"nt\">-c<\/span> <span class=\"s2\">\"SELECT * FROM employee\"<\/span>\r\n <span class=\"nb\">id<\/span> |  name\r\n<span class=\"nt\">----<\/span>+--------\r\n  1 | \u793e\u9577\r\n  2 | \u79d8\u66f8\r\n  3 | \u611b\u4eba\r\n<span class=\"o\">(<\/span>3 rows<span class=\"o\">)<\/span>\r\n\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">cat <\/span>a.pl\r\nuse v5.10<span class=\"p\">;<\/span>\r\nuse warnings<span class=\"p\">;<\/span>\r\nuse DBI<span class=\"p\">;<\/span>\r\nuse Data::Dumper<span class=\"p\">;<\/span>\r\n\r\nmy <span class=\"nv\">$dbh<\/span> <span class=\"o\">=<\/span> DBI-&gt;connect<span class=\"o\">(<\/span><span class=\"s2\">\"dbi:Pg:host=\/var\/run\/postgresql;dbname=company\"<\/span><span class=\"o\">)<\/span><span class=\"p\">;<\/span>\r\nmy <span class=\"nv\">$sth<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$dbh<\/span>-&gt;prepare<span class=\"o\">(<\/span><span class=\"s2\">\"SELECT id,name FROM employee\"<\/span><span class=\"o\">)<\/span><span class=\"p\">;<\/span>\r\n<span class=\"nv\">$sth<\/span>-&gt;execute<span class=\"o\">()<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">while<\/span><span class=\"o\">(<\/span> my <span class=\"nv\">$aryref<\/span> <span class=\"o\">=<\/span> <span class=\"nv\">$sth<\/span>-&gt;fetch<span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        my <span class=\"o\">(<\/span><span class=\"nv\">$id<\/span>, <span class=\"nv\">$name<\/span><span class=\"o\">)<\/span> <span class=\"o\">=<\/span> @<span class=\"nv\">$aryref<\/span><span class=\"p\">;<\/span>\r\n        say <span class=\"s2\">\"<\/span><span class=\"nv\">$id<\/span> <span class=\"nv\">$name<\/span><span class=\"s2\">\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"o\">}<\/span>\r\n<span class=\"nv\">$dbh<\/span>-&gt;disconnect<span class=\"p\">;<\/span>\r\n<span class=\"nv\">$ <\/span>perl a.pl\r\n1 \u793e\u9577\r\n2 \u79d8\u66f8\r\n3 \u611b\u4eba\r\n<\/code><\/pre>\n<h1>\u8d60\u54c1<\/h1>\n<p>\u82e5\u8981\u5c06\u5957\u63a5\u5b57\u6587\u4ef6\u7684\u4f4d\u7f6e\u4ece\/tmp\u66f4\u6539\u4e3a\/var\/lib\/pgsql\/data\/postgresql.conf\uff0c\u5219\u5e94\u50cfunix_socket_directories\u4e00\u6837\u66f4\u6539\u3002<br \/>\nunix_socket_directories = &#8216;\/run\/uds&#8217;<br \/>\nunix_socket_directory\u4e0d\u5bf9\u3002<\/p>\n<h1>\u8bf7\u67e5\u770b\u4ee5\u4e0b\u9009\u9879<br \/>\n\u8bf7\u53c2\u9605\u4e0b\u5217\u9009\u9879<br \/>\n\u8bf7\u53c2\u8003\u4ee5\u4e0b\u9009\u9879<\/h1>\n<p>Perl &#8211; \u8fde\u63a5\u5230 PostgreSQL \u6570\u636e\u5e93 &#8211; \u65e0\u6cd5\u627e\u5230\u5408\u9002\u7684\u5957\u63a5\u5b57 &#8211; Stack Overflow<br \/>\nhttps:\/\/stackoverflow.com\/questions\/16427356\/perl-connect-to-postgresql-database-failing-to-find-proper-socket<\/p>\n<p>\u5982\u4f55\u5728PostgreSQL\u4e2d\u8bbe\u7f6e\u81ea\u589e\u4e3b\u952e\uff1f<\/p>\n<p>DBD::Pg &#8211; search.cpan.org<br \/>\nhttp:\/\/search.cpan.org\/~turnstep\/DBD-Pg\/Pg.pm<br \/>\nDBD::Pg &#8211; \u5728search.cpan.org\u4e0a\u641c\u7d22<br \/>\nhttp:\/\/search.cpan.org\/~turnstep\/DBD-Pg\/Pg.pm<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8003\u8651\u5230PostgreSQL\u7684\u8ba4\u8bc1\u8fc7\u7a0b\u53ef\u80fd\u4f1a\u5f88\u9ebb\u70e6\uff0c\u56e0\u6b64\u6211\u4eec\u4f7f\u7528postgres\u7528\u6237\u8fdb\u884c\u8bbf\u95ee\u3002 \/\/ docke [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-42169","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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