【发布时间】:2018-04-26 19:21:47
【问题描述】:
我想查询我的数据集(表)以获取包含 user_ids、日期、事件名称和事件参数键的列。我还指定我只想要“LeaveReview”事件。
fruit <- query_exec(
"SELECT user_dim.user_id, event.date, event.name, event_param.key,
FROM `table_201804*`,
UNNEST(event_dim) as event,
UNNEST(event.params) as event_param
WHERE event.name = 'LeaveReview'
AND _TABLE_SUFFIX BETWEEN '01' AND '25'
LIMIT 40",
project = "my_table"
)
我将如何修改我的代码以仅获取在给定日期同时执行“LeaveReview”和“ClickFavorite”的用户的信息?我尝试了以下方法,但这不起作用:
fruit <- query_exec(
"SELECT user_dim.user_id, event.date, event.name, event_param.key,
FROM `table_201804*`,
UNNEST(event_dim) as event,
UNNEST(event.params) as event_param
WHERE (event.name = 'LeaveReview' AND event.name = 'ClickFavorite')
AND _TABLE_SUFFIX BETWEEN '01' AND '25'
LIMIT 40",
project = "my_table"
)
如果我执行以下操作,我会得到执行事件“ClickFavorite”的人,而不是事件“LeaveReview”或其他方式的人:
fruit <- query_exec(
"SELECT user_dim.user_id, event.date, event.name, event_param.key,
FROM `table_201804*`,
UNNEST(event_dim) as event,
UNNEST(event.params) as event_param
WHERE (event.name = 'LeaveReview' OR event.name = 'ClickFavorite')
AND _TABLE_SUFFIX BETWEEN '01' AND '25'
LIMIT 40",
project = "my_table"
)
【问题讨论】:
标签: sql google-bigquery