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google fusion tables - Possible to iterate through markers after applying a query in a FusionTablesLayer?

I currently have a filter working on a fusion table rendered as a Map Layer, and I want to zoom to best fit all of the data whenever the filter is changed.

I figure I need to wait until the query is applied and then iterate through the markers to find the min/max x & y locations and pan to that rectangle, but I don't see a way in the Maps api to access the markers of a layer.

Anyone have an idea how to do this?

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