Teiid 8.12.4 发布，更新如下：
[TEIID-3874] - Invalid source query for subquery referencing a common table
[TEIID-3879] - Error during state transfer prevents a node from loading later
[TEIID-3880] - Missing dependency in "org.apache.olingo" module
[TEIID-3882] - Unable to convert Geometry Collection to GeoJSON
[TEIID-3884] - Queries with NextToken failing with NPE
[TEIID-3885] - Redshift - conversion to time does not work
[TEIID-3886] - Redshift - query ends with error message "Query cancelled on user's request"
[TEIID-3887] - Redshift - RS does not support ASCII function
[TEIID-3888] - Redshift - there is not function SUBSTR (RS uses SUBSTRING)
[TEIID-3889] - asynch start transaction / rollback throws exception
[TEIID-3891] - MetadataFactory create function from method does not account for primitive return types
[TEIID-3892] - There is no pg type for geometry
[TEIID-3895] - OData - metadata returns primary key with attribute "Nullable=true"
[TEIID-3897] - dimensional check for ewkb is incorrect
[TEIID-3900] - OData - malformed URL causes NPE
[TEIID-3876] - Add an option to import RowId as binary
[TEIID-3899] - Allow Web Services translator to retrieve metadata without source connection
[TEIID-3270] - Allow UDFs to call Teiid functions
[TEIID-3419] - Add ability to set a default role across all VDBs
[TEIID-3870] - Add ability to properly qualify package objects
[TEIID-3890] - Add a redshift translator
[TEIID-3865] - too much logging of source cancel
[TEIID-3866] - with clause used by subquery repeated in the subquery
[TEIID-3875] - Many info messages upon startup that start with: TEIID31173 Inherent
[TEIID-3893] - Handling of binary odbc parameters needs improved
[TEIID-3896] - When error occurs in the materialization process, an ERROR should be logged instead of DEBUG
[TEIID-3901] - MetadataFactory should account for user defined aggregate functions
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。
Teiid由一堆工具，组件和创建和执行双向数据的服务所组成。通过抽象和联合、数据存取和集成的实时分布式数据源，无需进行复制或以其他方式移动数据系统的纪录。
简而言之：Teiid 可以让你用 JDBC + SQL 来访问企业的任何数据，并可对这些不同源的数据进行联合查询。
软件详情：http://teiid.blogspot.com/2016/01/teiid-8124-released.html
下载地址：http://teiid.jboss.org/downloads/
来自:开源中国社区
