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After bug208409 is implemented, the Chart Engine must be enhance to use the new interfaces that contain grouped data. The following changes are to be done: - Overload the bindData methods to use the new interface - Internally modify the series data binding in the Chart Engine if the data is already grouped - Make sure the old interface follows the original code path and is still supported. This is for uni-dimensional data coming from a dataset. Another enhancement is filed for multi-dimensional data.
This depends on an engine/dte change to provide an API that creates the query from the bindings
Modified chart engine to process grouped, uni-dimensional result set.
Reopen it to adding groups binding into query definitions at report preview, so DtE can do grouping.
Add groupings and bindings of chart into query definition and pass to Engine to do query, it will make the Engine to do grouping instead of chart-selves.
