How to select multiple custom Firebase event parameters in BigQuery?

Question

I exported Firebase events to BigQuery and now I\'m trying to select two parameters from a certain event. Here is the query for selecting one parameter:

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Answer 1

I love the previous solution! Here is an alternative solution for the same problem I came up with. I'd welcome comments on which solution is more efficient/cheaper and why.

SELECT event_param1.value.int_value AS level_id, 
event_param2.value.int_value AS count
FROM `com_company_appname_ANDROID.app_events_20161210`,
UNNEST(event_dim) event,
UNNEST(event.params) as event_param1,
UNNEST(event.params) as event_param2
WHERE event.name = 'level_replays_until_first_victory'
AND event_param1.key = 'level_id'
AND event_param2.key = 'count'