Bug 228524

Summary:	Allow report preview to use cached data set data
Product:	z_Archived	Reporter:	Gary Xue <xxue>
Component:	BIRT	Assignee:	Gary Xue <xxue>
Status:	NEW ---	QA Contact:
Severity:	enhancement
Priority:	P3	CC:	sokann, wenfeng.fwd, wyan
Version:	2.3.0	Keywords:	plan
Target Milestone:	Future
Hardware:	PC
OS:	All
Whiteboard:

Description Gary Xue

2008-04-23 17:05:26 EDT

This is a request to allow BIRT Report Designer's report preview to use data set data cached locally, to avoid having to issue data set query every time a report is previewed. This is useful when a data set query  takes a long time to return its result, or when such query consumes valuable external resource. 

FEATURE REQUIREMENTS:
(1) BIRT Engine API changes to allow a run task to create/use local data set cache. Introduce new task/API to clear/invalidate data set cache.
(2) Viewer preference setting to enable caching for preview. Add an action in viewer to clear cache.