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CACHING VIEWS ON HISTORICAL DATA

机译:历史数据的观点

摘要

In a general aspect, a computer-implemented method for executing a query on a table of a database, where the table has multiple partitions, can include receiving a query requesting a view on the table. The view on the table can be based on data included in a partition of the multiple partitions of the table. The method can also include determining a cached result to the query is not available in the database and generating a result to the query from, at least, the data of the partition of the multiple partitions. After the generating, the method can include building a cache including the result to the query, associating a transaction identifier for the query with the result to the query result in the cache; and returning the result to the query.
机译:在一般方面,一种用于在数据库的表上执行查询的计算机实现的方法,其中该表具有多个分区,该方法可以包括:接收请求该表上的视图的查询。表格上的视图可以基于表格的多个分区中的一个分区中包含的数据。该方法还可以包括:确定查询的缓存结果在数据库中不可用,并且至少从多个分区的分区的数据中生成查询的结果。在生成之后,该方法可以包括:将包括结果的缓存建立到查询中;将查询的事务标识符与结果与缓存中的查询结果相关联;并将结果返回给查询。

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