Teiid 8.0 CR1 发布

Teiid 8.0 CR1 发布了，基于 AS7 7.1.0 Final 版本，该版本增加了下面值得关注的内容：

• Greenplum Translator - for use with the Greenplum database.
• Enhanced parse/format pushdown - added more built-in support and extension points for parse/format function pushdown. Added parse/format timestamp handling for SQLServer, Sybase, Oracle, and PostgreSQL.
• User Defined Aggregates - user defined aggregate functions can be defined via extension metadata, DDL, or connector metadata. 

Teiid是一个数据虚拟化系统，让应用程序使用来自多个异构数据存储的数据。