Data validation based on another fusion table

I would love to have data validation (via dropdown) that points to another 
fusion table (rather than simply a comma separated list). The current version 
doesn't allow for data validation to be dynamic over time except through 
constant manual editing of the validation scheme.

This would make me very happy. So happy, in fact, that I might do a dance. If 
you make this feature, I might even do the dance for you.

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Thanks for the suggestion!
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Original issue reported on code.google.com by ad...@csgjusticecenter.org on 25 Feb 2015 at 8:04

Merged into: #978

qwerin / fusion-tables

Data validation based on another fusion table #1456