[英]Why does the order by in Big Query not working?
我正在嘗試在大查詢中使用 order by 對我的查詢進行排序。 我想做的是,根據一年中的周數對結果進行排序,但它似乎不起作用。 它也沒有顯示任何類型的語法問題。
SELECT * FROM (SELECT concat(cast(EXTRACT(week FROM elt.event_datetime) as string),', ', extract(year from elt.event_datetime)) WEEK, elt.msg_source SOURCE, (elt.source_timedelta_s_ + elt.pipeline_timedelta_s_) Latency FROM <table> elt join ,<table1> ai ON elt.msg_id = ai.msg_id WHERE ai.report_type <> 'PFR' and EXTRACT(date FROM elt.event_datetime) > extract(date from (date_sub(current_timestamp(), INTERVAL 30 day)))
order by WEEK desc)PIVOT ( AVG(Latency) FOR SOURCE IN ('FLYHT', 'SMTP')) t
基本上,我想要我的結果,因為它們在下圖中以綠色編號。
有人可以檢查是什么問題嗎?
SELECT * FROM (SELECT concat(cast(EXTRACT(week FROM elt.event_datetime) as string),', ', extract(year from elt.event_datetime)) WEEK, elt.msg_source SOURCE, (elt.source_timedelta_s_ + elt.pipeline_timedelta_s_) Latency FROM <table> elt join ,<table1> ai ON elt.msg_id = ai.msg_id WHERE ai.report_type <> 'PFR' and EXTRACT(date FROM elt.event_datetime) > extract(date from (date_sub(current_timestamp(), INTERVAL 30 day))))
PIVOT ( AVG(Latency) FOR SOURCE IN ('FLYHT', 'SMTP')) t order by (select RIGHT(t.WEEK,4)) desc ,(select regexp_substr(t.WEEK,'[^,]+')) desc
正如@Shipra Sarkar 在評論中所建議的那樣。
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