Multicorn 介绍
Multicorn 是一个 Postgresql 9.1+ 的扩展模块,用于简化外部数据封装开发,允许开发者使用 Python 编程语言开发。
特性:
- oracle_fdw – connects to Oracle databases.
- mysql_fdw – connects to MysqL databases.
- tds_fdw – connects to Sybase and Microsoft sql Server databases.
- odbc_fdw – connects to any ODBC source.
- couchdb_fdw – connects to CouchDB databases.
- redis_fdw – connects to Redis databases.
- twitter_fdw – fetches messages from Twitter.
- ldap_fdw – queries LDAP servers.
- file_fdw – access data files in the server’s file system and query them as tables.
- file_fixed_length_record_fdw – reads flat files with columns of fixed width.
- PGStrom – uses GPU devices to accelerate sequential scan on massive amount of records with complex qualifiers.
- s3_fdw – reads files located in Amazon S3.
- www_fdw – accesses web services as a data source.
示例代码:
create foreign table gmail ( "Message-ID" character varying, "From" character varying, "Subject" character varying, "payload" character varying, "flags" character varying[], "To" character varying) server multicorn_imap options ( host 'imap.gmail.com', port '465', payload_column 'payload', flags_column 'flags', ssl 'True', login 'mylogin', password 'mypassword' ); select flags, "Subject", payload from gmail where "From" like 'pgsql-%' and "Subject" like '%Daily digest%' limit 2;
Multicorn 官网
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