{"id":50493,"date":"2022-12-13T13:52:40","date_gmt":"2023-07-06T13:52:49","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%af%95%e8%af%95%e4%bd%bf%e7%94%a8sqlite-fdw%e4%bb%8epostgresql%e8%ae%bf%e9%97%aesqlite3%e6%95%b0%e6%8d%ae%e5%ba%93%e5%90%a7%ef%bc%81\/"},"modified":"2024-04-29T05:06:37","modified_gmt":"2024-04-28T21:06:37","slug":"%e8%af%95%e8%af%95%e4%bd%bf%e7%94%a8sqlite-fdw%e4%bb%8epostgresql%e8%ae%bf%e9%97%aesqlite3%e6%95%b0%e6%8d%ae%e5%ba%93%e5%90%a7%ef%bc%81","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%af%95%e8%af%95%e4%bd%bf%e7%94%a8sqlite-fdw%e4%bb%8epostgresql%e8%ae%bf%e9%97%aesqlite3%e6%95%b0%e6%8d%ae%e5%ba%93%e5%90%a7%ef%bc%81\/","title":{"rendered":"\u8bd5\u8bd5\u4f7f\u7528SQLite FDW\u4ecePostgreSQL\u8bbf\u95eeSQLite3\u6570\u636e\u5e93\u5427\uff01"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u6211\u5c1d\u8bd5\u4f7f\u7528SQLite FDW\u4ecePostgreSQL\u8bbf\u95eeSQLite\u6570\u636e\u5e93\u3002\u5982\u679c\u60a8\u5df2\u7ecf\u5b89\u88c5\u4e86PostgreSQL\u7248\u672c9.6\u300110\u300111\u621612\u548cSQLite3\uff0c\u60a8\u53ef\u4ee5\u8df3\u8fc7\u5b89\u88c5PostgreSQL\u548cSQLite\uff0c\u76f4\u63a5\u5f00\u59cb\u5b89\u88c5SQLite FDW\u3002<\/p>\n<h1>FDW\uff08Foreign Data Wrapper\uff09\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>PostgreSQL\u5177\u6709\u7b26\u5408SQL2003 SQL\/MED\u89c4\u8303\u7684\u5916\u90e8\u6570\u636e\u6e90\u8bbf\u95ee\u529f\u80fd\uff0c\u5373FDW\uff08Foreign Data Wrapper\uff09\u529f\u80fd\u3002\u901a\u8fc7\u8be5\u529f\u80fd\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5404\u79cd\u6570\u636e\u6e90\u3002\u76ee\u524d\uff0c\u7528\u6237\u5df2\u7ecf\u521b\u5efa\u5e76\u516c\u5f00\u4e86\u7528\u4e8e\u8bbf\u95ee\u5546\u4e1aRDBMS\uff08\u5982Oracle\u548cSQL Server\uff09\u3001OSS RDBMS\uff08\u5982SQLite\u548cMySQL\uff09\u4ee5\u53caNoSQL\u6570\u636e\u5e93\uff08\u5982Cassandra\u548cGridDB\uff09\u7b49\u6570\u636e\u6e90\u7684FDW\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d91c5913a08637a6e08a7\/4-0.jpeg\" alt=\"undefined\" \/><\/div>\n<h1>\u4ece\u6e90\u4ee3\u7801\u4e2d\u5b89\u88c5PostgreSQL<\/h1>\n<p>\u6211\u6b63\u5728\u4ece\u6e90\u4ee3\u7801\u5b89\u88c5PostgreSQL\u3002\u6211\u53c2\u8003\u4e86PostgreSQL\u7684\u6587\u6863\u3002<\/p>\n<p>\u5728CentOS7\u4e0a\u521b\u5efa\u4e00\u4e2apostgres\u7528\u6237\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>groupadd postgresql\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>useradd <span class=\"nt\">-d<\/span> \/home\/postgres <span class=\"nt\">-g<\/span> postgres <span class=\"nt\">-s<\/span> \/bin\/bash postgres\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>passwd postgres\r\n<span class=\"nv\">$ <\/span>su - postgres\r\n<\/code><\/pre>\n<p>\u4ecePostgreSQL\u793e\u533a\u83b7\u53d6PostgreSQL\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>wget https:\/\/ftp.postgresql.org\/pub\/source\/v12.2\/postgresql-12.2.tar.bz2\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">tar<\/span> <span class=\"nt\">-jxvf<\/span> postgresql-12.2.tar.bz2\r\n<\/code><\/pre>\n<p>\u5b89\u88c5PostgreSQL\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">cd <\/span>postgresql-12.2\r\n<span class=\"nv\">$ <\/span>.\/configure \r\n<span class=\"nv\">$ <\/span>make\r\n<span class=\"nv\">$ <\/span>make <span class=\"nb\">install<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">cd<\/span>\r\n<\/code><\/pre>\n<h1>\u4ece\u6e90\u4ee3\u7801\u7f16\u8bd1\u5b89\u88c5SQLite<\/h1>\n<p>\u4eceSQLite\u7684\u6e90\u4ee3\u7801\u5b89\u88c5\u3002\u53c2\u8003SQLite\u5b89\u88c5\u5728Linux\u4e0a\u7684\u6559\u7a0b\u8fdb\u884c\u5b89\u88c5\u3002<br \/>\n\u4eceSQLite\u793e\u533a\u83b7\u53d6SQLite\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>wget https:\/\/www.sqlite.org\/2020\/sqlite-autoconf-3310100.tar.gz\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">tar <\/span>xvfz sqlite-autoconf-3310100.tar.gz\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">mv <\/span>sqlite-autoconf-3310100 sqlite3.31.1\r\n<\/code><\/pre>\n<p>\u5b89\u88c5SQLite\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">cd <\/span>sqlite3.31.1\r\n<span class=\"nv\">$ <\/span>.\/configure\r\n<span class=\"nv\">$ <\/span>make\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>make <span class=\"nb\">install<\/span>\r\n<\/code><\/pre>\n<h1>\u73af\u5883\u8bbe\u7f6e<\/h1>\n<p>\u8bbe\u7f6e\u73af\u5883\u53d8\u91cfLD_LIBRARY_PATH\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ LD_LIBRARY_PATH<\/span><span class=\"o\">=<\/span>\/usr\/local\/pgsql\/lib:\/usr\/local\/lib\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">export <\/span>LD_LIBRARY_PATH\r\n<\/code><\/pre>\n<p>\u8bbe\u5b9a\u73af\u5883\u53d8\u91cf PATH\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ PATH<\/span><span class=\"o\">=<\/span>\/usr\/local\/pgsql\/bin:<span class=\"nv\">$PATH<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">export <\/span>PATH\r\n<\/code><\/pre>\n<h1>\u5b89\u88c5SQLite FDW<\/h1>\n<p>\u5b89\u88c5 SQLite FDW\u3002\u53c2\u8003 GitHub \u4e0a\u7684 readme.md \u6587\u4ef6\u3002<br \/>\n\u6839\u636e PostgreSQL \u793e\u533a\u7684\u8bf4\u6cd5\uff0c\u6709\u4e24\u4e2a\u7248\u672c\u7684 SQLite FDW\uff0c\u4f46\u6211\u4eec\u5c06\u4f7f\u7528\u8fd9\u4e2a\u53ef\u4ee5\u8fdb\u884c\u66f4\u65b0\u548c\u63a8\u9001\u5904\u7406\u7684\u7248\u672c\u3002\u4ee5\u4e0b\u662f\u5c06 SQLite FDW \u6e90\u4ee3\u7801\u5305\u542b\u5728 PostgreSQL \u6e90\u4ee3\u7801\u6811\u4e2d\u8fdb\u884c\u5b89\u88c5\u7684\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">cd<\/span> ~\/postgresql-12.2\/contrib\r\n<span class=\"nv\">$ <\/span>git clone https:\/\/github.com\/pgspider\/sqlite_fdw.git\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">cd <\/span>sqlite_fdw\r\n<span class=\"nv\">$ <\/span>make\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>make <span class=\"nb\">install<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679cpg_config\u547d\u4ee4\u7684\u8def\u5f84\u88ab\u8bbe\u7f6e\u6b63\u786e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">$<\/span> <span class=\"n\">make<\/span> <span class=\"n\">USE_PGXS<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span>\r\n<span class=\"err\">$<\/span> <span class=\"n\">sudo<\/span> <span class=\"n\">make<\/span> <span class=\"n\">install<\/span> <span class=\"n\">USE_PGXS<\/span><span class=\"o\">=<\/span><span class=\"mi\">1<\/span>\r\n<\/code><\/pre>\n<p>\u542f\u52a8 PostgreSQL\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>initdb <span class=\"nt\">-D<\/span> \/usr\/local\/pgsql\/data\r\n<span class=\"nv\">$ <\/span>postgres <span class=\"nt\">-D<\/span> \/usr\/local\/pgsql\/data &amp;\r\n<\/code><\/pre>\n<h1>\u83b7\u53d6\u6837\u672c\u6570\u636e\u5e93<\/h1>\n<p>\u4eceSQLite\u6559\u7a0b\u4e2d\u83b7\u53d6\u793a\u4f8b\u6570\u636e\u5e93\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">cd<\/span> \/usr\/local\/pgsql\/data\/\r\n<span class=\"nv\">$ <\/span>wget https:\/\/www.sqlitetutorial.net\/wp-content\/uploads\/2018\/03\/chinook.zip\r\n<span class=\"nv\">$ <\/span>unzip chinook.zip\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u4f7f\u7528\u547d\u4ee4\u884c Shell (sqlite3) \u6765\u67e5\u770b\u793a\u4f8b\u6570\u636e\u5e93 (chinnook.db)\u3002\u5171\u670911\u4e2a\u8868\u5b58\u5728\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>sqlite3 chinook.db\r\nSQLite version 3.31.1 2020-01-27 19:55:54\r\nEnter <span class=\"s2\">\".help\"<\/span> <span class=\"k\">for <\/span>usage hints.\r\nsqlite&gt; .tab\r\nalbums          employees       invoices        playlists     \r\nartists         genres          media_types     tracks        \r\ncustomers       invoice_items   playlist_track\r\n<\/code><\/pre>\n<h1>SQLite FDW\u7684\u521d\u59cb\u914d\u7f6e\u8bbe\u7f6e\u3002<\/h1>\n<p>\u5728\u6570\u636e\u5e93\u4e2d\u4f7f\u7528CREATE EXTENSION\u5bfc\u5165SQLite FDW\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">$<\/span> <span class=\"n\">psql<\/span>\r\n<span class=\"n\">psql<\/span> <span class=\"p\">(<\/span><span class=\"mi\">12<\/span><span class=\"p\">.<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">Type<\/span> <span class=\"nv\">\"help\"<\/span> <span class=\"k\">for<\/span> <span class=\"n\">help<\/span><span class=\"p\">.<\/span>\r\n<span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">CREATE<\/span> <span class=\"n\">EXTENSION<\/span> <span class=\"n\">sqlite_fdw<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"n\">EXTENSION<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528CREATE SERVER\u547d\u4ee4\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u5916\u90e8\u670d\u52a1\u5668\u3002\u672c\u4f8b\u4e2d\u5c06\u5916\u90e8\u670d\u52a1\u5668\u547d\u540d\u4e3asqlite_server\u3002\u5728OPTIONS\u9009\u9879\u4e2d\u6307\u5b9aSQLite\u6570\u636e\u5e93\u6587\u4ef6\u540d\u3002<br \/>\n\u7136\u540e\u786e\u8ba4\u5916\u90e8\u8868\u5217\u8868\u4e2d\u6ca1\u6709\u4efb\u4f55\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">CREATE<\/span> <span class=\"n\">SERVER<\/span> <span class=\"n\">sqlite_server<\/span> <span class=\"k\">FOREIGN<\/span> <span class=\"k\">DATA<\/span> <span class=\"n\">WRAPPER<\/span> <span class=\"n\">sqlite_fdw<\/span> \r\n<span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">OPTIONS<\/span> <span class=\"p\">(<\/span><span class=\"k\">database<\/span> <span class=\"s1\">'\/usr\/local\/pgsql\/data\/chinook.db'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"n\">SERVER<\/span>\r\n<span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"err\">\\<\/span><span class=\"n\">dE<\/span>\r\n<span class=\"n\">Did<\/span> <span class=\"k\">not<\/span> <span class=\"n\">find<\/span> <span class=\"k\">any<\/span> <span class=\"n\">relations<\/span><span class=\"p\">.<\/span>\r\n<\/code><\/pre>\n<h1>\u521b\u5efa\u5916\u90e8\u8868\u5e76\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4<\/h1>\n<p>\u5728SQLite\u4e2d\uff0c\u663e\u793amedia_types\u8868\u7684\u5217\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">sqlite<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">PRAGMA<\/span> <span class=\"n\">table_info<\/span><span class=\"p\">(<\/span><span class=\"n\">media_types<\/span><span class=\"p\">);<\/span>\r\n<span class=\"mi\">0<\/span><span class=\"o\">|<\/span><span class=\"n\">MediaTypeId<\/span><span class=\"o\">|<\/span><span class=\"nb\">INTEGER<\/span><span class=\"o\">|<\/span><span class=\"mi\">1<\/span><span class=\"o\">||<\/span><span class=\"mi\">1<\/span>\r\n<span class=\"mi\">1<\/span><span class=\"o\">|<\/span><span class=\"n\">Name<\/span><span class=\"o\">|<\/span><span class=\"n\">NVARCHAR<\/span><span class=\"p\">(<\/span><span class=\"mi\">120<\/span><span class=\"p\">)<\/span><span class=\"o\">|<\/span><span class=\"mi\">0<\/span><span class=\"o\">||<\/span><span class=\"mi\">0<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7media_types\u8868\u7684\u5217\u4fe1\u606f\uff0c\u5728PostgreSQL\u4e2d\u521b\u5efamedia_types\u8868\u7684\u5916\u90e8\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">CREATE<\/span> <span class=\"k\">FOREIGN<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">media_types<\/span><span class=\"p\">(<\/span><span class=\"nv\">\"MediaTypeId\"<\/span> <span class=\"nb\">bigint<\/span><span class=\"p\">,<\/span> <span class=\"nv\">\"Name\"<\/span> <span class=\"nb\">text<\/span><span class=\"p\">)<\/span> <span class=\"n\">SERVER<\/span> <span class=\"n\">sqlite_server<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">CREATE<\/span> <span class=\"k\">FOREIGN<\/span> <span class=\"k\">TABLE<\/span>\r\n<\/code><\/pre>\n<p>\u67e5\u8be2 media_types \u6570\u636e\u8868\u3002\u663e\u793a5\u6761\u8bb0\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">media_types<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">MediaTypeId<\/span> <span class=\"o\">|<\/span>            <span class=\"n\">Name<\/span>             \r\n<span class=\"c1\">-------------+-----------------------------<\/span>\r\n           <span class=\"mi\">1<\/span> <span class=\"o\">|<\/span> <span class=\"n\">MPEG<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">2<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Protected<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">3<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Protected<\/span> <span class=\"n\">MPEG<\/span><span class=\"o\">-<\/span><span class=\"mi\">4<\/span> <span class=\"n\">video<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">4<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Purchased<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">5<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n<span class=\"p\">(<\/span><span class=\"mi\">5<\/span> <span class=\"k\">rows<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5728 media_types \u6570\u636e\u8868\u4e2d\u6dfb\u52a0\u4e00\u6761\u8bb0\u5f55\u3002\u901a\u8fc7 SELECT \u8fdb\u884c\u786e\u8ba4\uff0c\u8bb0\u5f55\u5df2\u7ecf\u88ab\u6dfb\u52a0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">INSERT<\/span> <span class=\"k\">INTO<\/span> <span class=\"n\">media_types<\/span> <span class=\"k\">VALUES<\/span><span class=\"p\">(<\/span><span class=\"mi\">6<\/span><span class=\"p\">,<\/span> <span class=\"s1\">'TEXT file'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"k\">INSERT<\/span> <span class=\"mi\">0<\/span> <span class=\"mi\">1<\/span>\r\n<span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">select<\/span> <span class=\"o\">*<\/span> <span class=\"k\">from<\/span> <span class=\"n\">media_types<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">MediaTypeId<\/span> <span class=\"o\">|<\/span>            <span class=\"n\">Name<\/span>             \r\n<span class=\"c1\">-------------+-----------------------------<\/span>\r\n           <span class=\"mi\">1<\/span> <span class=\"o\">|<\/span> <span class=\"n\">MPEG<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">2<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Protected<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">3<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Protected<\/span> <span class=\"n\">MPEG<\/span><span class=\"o\">-<\/span><span class=\"mi\">4<\/span> <span class=\"n\">video<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">4<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Purchased<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">5<\/span> <span class=\"o\">|<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n           <span class=\"mi\">6<\/span> <span class=\"o\">|<\/span> <span class=\"nb\">TEXT<\/span> <span class=\"n\">file<\/span>\r\n<span class=\"p\">(<\/span><span class=\"mi\">6<\/span> <span class=\"k\">rows<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5728SQLite\u4e2d\uff0c\u6211\u4eec\u5c1d\u8bd5SELECT media_types\u8868\u3002\u60a8\u53ef\u4ee5\u67e5\u770b\u6dfb\u52a0\u7684\u8bb0\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">sqlite<\/span><span class=\"o\">&gt;<\/span> <span class=\"k\">SELECT<\/span> <span class=\"o\">*<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">media_types<\/span><span class=\"p\">;<\/span>\r\n<span class=\"mi\">1<\/span><span class=\"o\">|<\/span><span class=\"n\">MPEG<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n<span class=\"mi\">2<\/span><span class=\"o\">|<\/span><span class=\"n\">Protected<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n<span class=\"mi\">3<\/span><span class=\"o\">|<\/span><span class=\"n\">Protected<\/span> <span class=\"n\">MPEG<\/span><span class=\"o\">-<\/span><span class=\"mi\">4<\/span> <span class=\"n\">video<\/span> <span class=\"n\">file<\/span>\r\n<span class=\"mi\">4<\/span><span class=\"o\">|<\/span><span class=\"n\">Purchased<\/span> <span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n<span class=\"mi\">5<\/span><span class=\"o\">|<\/span><span class=\"n\">AAC<\/span> <span class=\"n\">audio<\/span> <span class=\"n\">file<\/span>\r\n<span class=\"mi\">6<\/span><span class=\"o\">|<\/span><span class=\"nb\">TEXT<\/span> <span class=\"n\">file<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u8fdb\u884c\u4e0b\u4e00\u6b65\u7684\u64cd\u4f5c\u786e\u8ba4\uff0c\u8bf7\u5220\u9664 media_types \u8868\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">DROP<\/span> <span class=\"k\">FOREIGN<\/span> <span class=\"k\">TABLE<\/span> <span class=\"n\">media_types<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<h1>\u4f7f\u7528IMPORT FOREIGN SCHEMA\u547d\u4ee4\u6279\u91cf\u521b\u5efa\u5916\u90e8\u8868\u683c\u3002<\/h1>\n<p>\u5982\u679c\u53ea\u67091\u4e2a\u62162\u4e2a\u8868\uff0c\u6211\u5e76\u4e0d\u4ecb\u610f\u521b\u5efa\u5916\u90e8\u8868\uff0c\u4f46\u5982\u679c\u670911\u4e2a\u8868\uff0c\u6211\u5c31\u4e0d\u592a\u60f3\u521b\u5efa\u5916\u90e8\u8868\u4e86\u3002\u56e0\u6b64\uff0c\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528IMPORT FOREIGN SCHEMA \u6765\u6279\u91cf\u521b\u5efa\u5916\u90e8\u8868\u3002IMPORT FOREIGN SCHEMA \u53ef\u4ee5\u5728\u5916\u90e8\u670d\u52a1\u5668\u4e0a\u521b\u5efa\u5b58\u5728\u7684\u8868\u7684\u5916\u90e8\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"n\">IMPORT<\/span> <span class=\"k\">FOREIGN<\/span> <span class=\"k\">SCHEMA<\/span> <span class=\"k\">public<\/span> <span class=\"k\">FROM<\/span> <span class=\"n\">SERVER<\/span> <span class=\"n\">sqlite_server<\/span> <span class=\"k\">INTO<\/span> <span class=\"k\">public<\/span><span class=\"p\">;<\/span>\r\n<span class=\"n\">IMPORT<\/span> <span class=\"k\">FOREIGN<\/span> <span class=\"k\">SCHEMA<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u5916\u90e8\u8868\u6e05\u5355\u4e2d\u67e5\u770b\uff0c\u670911\u4e2a\u5916\u90e8\u8868\u5df2\u521b\u5efa\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"err\">\\<\/span><span class=\"n\">dE<\/span>\r\n                 <span class=\"n\">List<\/span> <span class=\"k\">of<\/span> <span class=\"n\">relations<\/span>\r\n <span class=\"k\">Schema<\/span> <span class=\"o\">|<\/span>      <span class=\"n\">Name<\/span>      <span class=\"o\">|<\/span>     <span class=\"k\">Type<\/span>      <span class=\"o\">|<\/span>  <span class=\"k\">Owner<\/span>   \r\n<span class=\"c1\">--------+----------------+---------------+----------<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">albums<\/span>         <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">artists<\/span>        <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">customers<\/span>      <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">employees<\/span>      <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">genres<\/span>         <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">invoice_items<\/span>  <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">invoices<\/span>       <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">media_types<\/span>    <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">playlist_track<\/span> <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">playlists<\/span>      <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n <span class=\"k\">public<\/span> <span class=\"o\">|<\/span> <span class=\"n\">tracks<\/span>         <span class=\"o\">|<\/span> <span class=\"k\">foreign<\/span> <span class=\"k\">table<\/span> <span class=\"o\">|<\/span> <span class=\"n\">postgres<\/span>\r\n<span class=\"p\">(<\/span><span class=\"mi\">11<\/span> <span class=\"k\">rows<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h1>\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528\u5916\u90e8\u8868\u8fdb\u884c\u8fde\u63a5\u67e5\u8be2\u5427\uff01<\/h1>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5916\u90e8\u8868\u8fdb\u884c\u8054\u63a5\u7684\u641c\u7d22\u3002\u5728tracks\u8868\u3001albums\u8868\u548cartists\u8868\u4e2d\u4f7f\u7528\u5185\u90e8\u8054\u63a5\u8fdb\u884c\u641c\u7d22\u3002\u4e0b\u9762\u8fd9\u6bb5SQL\u4ee3\u7801\u663e\u793a\u7684\u662fartistid\u4e3a10\u7684\u8bb0\u5f55\u7684Track\u540d\u79f0\u3001album\u540d\u79f0\u548cartist\u540d\u79f0\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">postgres<\/span><span class=\"o\">=#<\/span> <span class=\"k\">SELECT<\/span> <span class=\"nv\">\"TrackId\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">Tracks<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"Name\"<\/span> <span class=\"k\">AS<\/span> <span class=\"n\">Track<\/span><span class=\"p\">,<\/span> <span class=\"n\">Albums<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"Title\"<\/span> <span class=\"k\">AS<\/span> <span class=\"n\">Album<\/span><span class=\"p\">,<\/span> <span class=\"n\">Artists<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"Name\"<\/span> <span class=\"k\">AS<\/span> <span class=\"n\">Artist<\/span>\r\n<span class=\"n\">postgres<\/span><span class=\"o\">-#<\/span>   <span class=\"k\">FROM<\/span> <span class=\"n\">Tracks<\/span> \r\n<span class=\"n\">postgres<\/span><span class=\"o\">-#<\/span>  <span class=\"k\">INNER<\/span> <span class=\"k\">JOIN<\/span> <span class=\"n\">Albums<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">Albums<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"AlbumId\"<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Tracks<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"AlbumId\"<\/span>\r\n<span class=\"n\">postgres<\/span><span class=\"o\">-#<\/span>  <span class=\"k\">INNER<\/span> <span class=\"k\">JOIN<\/span> <span class=\"n\">Artists<\/span> <span class=\"k\">ON<\/span> <span class=\"n\">Artists<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"ArtistId\"<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Albums<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"ArtistId\"<\/span>\r\n<span class=\"n\">postgres<\/span><span class=\"o\">-#<\/span>  <span class=\"k\">WHERE<\/span> <span class=\"n\">Artists<\/span><span class=\"p\">.<\/span><span class=\"nv\">\"ArtistId\"<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">10<\/span><span class=\"p\">;<\/span>\r\n <span class=\"n\">TrackId<\/span> <span class=\"o\">|<\/span>                    <span class=\"n\">track<\/span>                     <span class=\"o\">|<\/span>          <span class=\"n\">album<\/span>           <span class=\"o\">|<\/span>    <span class=\"n\">artist<\/span>    \r\n<span class=\"c1\">---------+----------------------------------------------+--------------------------+--------------<\/span>\r\n     <span class=\"mi\">123<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Quadrant<\/span>                                     <span class=\"o\">|<\/span> <span class=\"n\">The<\/span> <span class=\"n\">Best<\/span> <span class=\"k\">Of<\/span> <span class=\"n\">Billy<\/span> <span class=\"n\">Cobham<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Billy<\/span> <span class=\"n\">Cobham<\/span>\r\n     <span class=\"mi\">124<\/span> <span class=\"o\">|<\/span> <span class=\"n\">Snoopy<\/span><span class=\"s1\">'s search-Red baron                    | The Best Of Billy Cobham | Billy Cobham\r\n     125 | Spanish moss-\"A sound portrait\"-Spanish moss | The Best Of Billy Cobham | Billy Cobham\r\n     126 | Moon germs                                   | The Best Of Billy Cobham | Billy Cobham\r\n     127 | Stratus                                      | The Best Of Billy Cobham | Billy Cobham\r\n     128 | The pleasant pheasant                        | The Best Of Billy Cobham | Billy Cobham\r\n     129 | Solo-Panhandler                              | The Best Of Billy Cobham | Billy Cobham\r\n     130 | Do what cha wanna                            | The Best Of Billy Cobham | Billy Cobham\r\n(8 rows)\r\n<\/span><\/code><\/pre>\n<p>\u4f7f\u7528\u5916\u90e8\u8868\uff0c\u5e76\u4f7f\u7528\u5185\u8054\u63a5\u8fdb\u884c\u641c\u7d22\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u6211\u4f7f\u7528SQLite FDW\u4ecePosgreSQL\u8bbf\u95eeSQLite\u6570\u636e\u5e93\u3002\u4ee5\u524d\uff0c\u5fc5\u987b\u4eceSQLite\u63d0\u53d6\u6570\u636e\u5e76\u52a0\u8f7d\u5230PostgreSQL\uff0c\u7136\u540e\u4f7f\u7528\u5b83\u3002\u4f46\u662f\u73b0\u5728\u4f7f\u7528SQLite FDW\uff0c\u6211\u53ef\u4ee5\u8f7b\u677e\u5730\u4ecePostgreSQL\u8bbf\u95ee\u3002\u624b\u7eed\u4e5f\u5f88\u7b80\u5355\uff0c\u8bf7\u968f\u610f\u5c1d\u8bd5\u3002<\/p>\n<p>\u5982\u679c\u5728\u63cf\u8ff0\u4e2d\u6709\u4efb\u4f55\u9519\u8bef\u6216\u8005\u6709\u4efb\u4f55\u7591\u60d1\uff0c\u8bf7\u60a8\u901a\u8fc7\u7f16\u8f91\u8bf7\u6c42\u6216\u8bc4\u8bba\u6765\u7ed9\u4e88\u53cd\u9988\uff0c\u5c06\u4e0d\u80dc\u611f\u6fc0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6211\u5c1d\u8bd5\u4f7f\u7528SQLite FDW\u4ecePostgreSQL\u8bbf\u95eeSQLite\u6570\u636e\u5e93\u3002\u5982\u679c\u60a8\u5df2\u7ecf\u5b89\u88c5\u4e86Postgr [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-50493","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) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u8bd5\u8bd5\u4f7f\u7528SQLite FDW\u4ecePostgreSQL\u8bbf\u95eeSQLite3\u6570\u636e\u5e93\u5427\uff01 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u8bd5\u8bd5\u4f7f\u7528sqlite-fdw\u4ecepostgresql\u8bbf\u95eesqlite3\u6570\u636e\u5e93\u5427\uff01\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u8bd5\u8bd5\u4f7f\u7528SQLite FDW\u4ecePostgreSQL\u8bbf\u95eeSQLite3\u6570\u636e\u5e93\u5427\uff01\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u6211\u5c1d\u8bd5\u4f7f\u7528SQLite 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