Visualize location field from Discover fails

[jimmyjones2]

In discover, if you click VIsualize on a location field, then visualize page gives an error (and seems to be doing a top 5 terms query, maybe it should do a map instead?)

Error: Request to Elasticsearch failed: {"error":"SearchPhaseExecutionException[Failed to execute phase [query], all shards failed; shardFailures {[fO9ftq7IT3uYQ0p29mOzCw][housesales][0]: AggregationExecutionException[terms aggregation cannot be applied to field [location]. It can only be applied to numeric or string fields.]}{[fO9ftq7IT3uYQ0p29mOzCw][housesales][1]: AggregationExecutionException[terms aggregation cannot be applied to field [location]. It can only be applied to numeric or string fields.]}{[fO9ftq7IT3uYQ0p29mOzCw][housesales][2]: AggregationExecutionException[terms aggregation cannot be applied to field [location]. It can only be applied to numeric or string fields.]}{[fO9ftq7IT3uYQ0p29mOzCw][housesales][3]: AggregationExecutionException[terms aggregation cannot be applied to field [location]. It can only be applied to numeric or string fields.]}{[fO9ftq7IT3uYQ0p29mOzCw][housesales][4]: AggregationExecutionException[terms aggregation cannot be applied to field [location]. It can only be applied to numeric or string fields.]}]"}
    at http://localhost:5601/index.js?_b=5827:42978:38
    at Function.Promise.try (http://localhost:5601/index.js?_b=5827:46159:26)
    at http://localhost:5601/index.js?_b=5827:46143:27
    at Array.map (native)
    at Function.Promise.map (http://localhost:5601/index.js?_b=5827:46142:30)
    at callResponseHandlers (http://localhost:5601/index.js?_b=5827:42950:22)
    at http://localhost:5601/index.js?_b=5827:43068:16
    at wrappedCallback (http://localhost:5601/index.js?_b=5827:20873:81)
    at wrappedCallback (http://localhost:5601/index.js?_b=5827:20873:81)
    at http://localhost:5601/index.js?_b=5827:20959:26