[英]Unable to select a column in BigQuery
I am unable to select a column named: event_params.value.string_value我无法选择名为:event_params.value.string_value 的列
Here's my code:这是我的代码:
SELECT
DISTINCT (event_params.value.string_value)
FROM
`data-22.events_20200914`
My error:我的错误:
Cannot access field value on a value with type ARRAY<STRUCT<key STRING, value STRUCT<string_value STRING, int_value INT64, float_value FLOAT64, ...>>> at [2:26]无法访问类型为 ARRAY<STRUCT<key STRING, value STRUCT<string_value STRING, int_value INT64, float_value FLOAT64, ...>>> 在 [2:26] 的值的字段值
Presumably you want:想必你想要:
SELECT DISTINCT event_param.value.string_value
FROM `mybits-54f8c.analytics_179636122.events_20200914 a CROSS JOIN
UNNEST(event_params) event_param;
But this is just a guess.但这只是一个猜测。
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