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

Below will work with BigQuery Standard SQL

SELECT 
  (SELECT params.value.int_value FROM x.params 
                                 WHERE params.key = 'level_id') AS level_id,
  (SELECT params.value.int_value FROM x.params 
                                 WHERE params.key = 'count') AS count
FROM `com_company_appname_ANDROID.app_events_20161210`, UNNEST(event_dim) AS x
WHERE x.name  = 'level_replays_until_first_victory'

See also Migrating from legacy SQL in case if you are stuck with Legacy SQL