PostgreSQL 的版本更新非常快，今天注意到 9.3 beta1 版已经可以下载使用了。

主要特性

• Writeable Foreign Tables, enabling pushing data to other databases
• pgsql_fdw driver for federation of PostgreSQL databases
• Automatically updatable VIEWs
• MATERIALIZED VIEW declaration
• LATERAL JOINs
• Additional JSON constructor and extractor functions
• Indexed regular expression search
• Disk page checksums to detect filesystem failures

更多特性

• Fast failover to replicas for high availability
• Streaming-only remastering of replicas
• Performance and locking improvements for Foreign Key locks
• Parallel pg_dump for faster backups
• Directories for configuration files
• pg_isready database connection checker
• COPY FREEZE for reduced IO bulk loading
• User-defined background workers for automating database tasks
• Recursive view declaration
• lock_timeout directive

下载地址

http://www.postgresql.org/ftp/source/v9.3beta1/

Release Note

http://www.postgresql.org/docs/9.3/static/release-9-3.html

接下来好好学习 PostgreSQL 9.3 的功能和变化。