[英]BigQuery - Scalar subquery produced more than one element -
我有這個查詢可以幫助我在字符串中找到單獨的關鍵詞(對 utm_campaign 和 utm_content 非常有用):
SELECT
utm_campaign,
splits[SAFE_OFFSET(0)] AS country,
splits[SAFE_OFFSET(1)] AS product,
splits[SAFE_OFFSET(2)] AS budget,
splits[SAFE_OFFSET(3)] AS source,
splits[SAFE_OFFSET(4)] AS campaign,
splits[SAFE_OFFSET(5)] AS audience
FROM (
SELECT
utm_campaign,
SPLIT(REGEXP_REPLACE(
utm_campaign,
r'([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_(.+)',
r'\1|\2|\3|\4|\5|\6|\7'),
'|') AS splits
FROM funnel_campaign)
例如:如果我有這樣的 umt_campaign:
us_latam_mkt_google_black-friday_audiencie-custom_NNN-NNN_nnn_trafic_responsiv
上面的查詢將幫助我用 _ 分隔每個單詞。 所以我會有這樣的結果:
utm_campaign | 國家 | 產品 | 預算 | 資源 | 活動 | 觀眾 |
---|---|---|---|---|---|---|
us_latam_mkt_google_black-friday_audiencie-custom_NNN-NNN_nnn_trafic_responsiv | 我們 | 拉丁美洲 | MKT | 谷歌 | 黑色星期五 | 觀眾自定義 |
audience
列。 我嘗試將上面的查詢添加為 REVENUE 中此查詢的子查詢,因為在此表中我沒有audience
列,但我有utm_campaign
列。 在 utm_campaign 字符串中,第六個片段是觀眾(使用此查詢我有錯誤“標量子查詢產生了多個元素”):
WITH COST AS (
SELECT
POS AS POS,
DATE AS DATE,
EXTRACT(WEEK FROM DATE) AS WEEK,
SOURCE AS SOURCE,
MEDIUM AS MEDIUM,
CAMPAIGN AS CAMPAIGN,
AD_CONTENT,
FORMAT AS FORMAT,
"" AS BU_OD,
SUM(CLICKS)/1000 AS CLICKS,
SUM(IMPRESSIONS)/1000 AS IMPRESSIONS,
SUM(COST)/1000 AS COST,
sum(0) as SESSIONS,
SUM(0) AS TRANSACTIONS,
SUM(0) AS search_flight_pv,
SUM(0) AS search_flight_upv,
SUM(0) AS PAX,
SUM(0) AS REVENUE,
FROM MSR_funnel_campaign_table
WHERE DATE >= DATE '2019-01-01'
AND MEDIUM NOT LIKE 'DISPLAY_CORP'
GROUP BY 1,2,3,4,5,6,7,8,9
),
REVENUE AS(
SELECT
POS AS POS,
date AS DATE,
EXTRACT(WEEK FROM DATE) AS WEEK,
SOURCE_CAT AS SOURCE,
medium_group_2 AS MEDIUM,
CAMPAIGN AS CAMPAIGN,
AD_CONTENT,
CASE
WHEN SOURCE_CAT = 'FACEBOOK' THEN
(
SELECT
splits[SAFE_OFFSET(5)] AS FORMAT,
FROM (
SELECT
ad_content,
SPLIT(REGEXP_REPLACE(
ad_content,
r'([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_(.+)',
r'\1|\2|\3|\4|\5|\6|\7'),
'|') AS splits
FROM ga_digital_marketing)) END AS FORMAT,
BU_OD AS BU_OD,
SUM(0) AS CLICKS,
SUM(0) AS IMPRESSIONS,
SUM(0) AS COST,
sum(sessions)/1000 as SESSIONS,
SUM(TRANSACTIONS)/1000 AS TRANSACTIONS,
SUM(search_flight_pv)/1000 AS search_flight_pv,
SUM(search_flight_upv)/1000 AS search_flight_upv,
SUM(PAX)/1000 AS PAX,
SUM(REVENUE)/1000 AS REVENUE,
FROM ga_digital_marketing
WHERE PAX_TYPE = 'PAID'
AND DATE >= DATE '2019-01-01'
AND MEDIUM NOT LIKE 'DISPLAY_CORP'
GROUP BY 1,2,3,4,5,6,7,8,9
),
COST_REVENUE AS (
SELECT *
FROM COST
UNION ALL
SELECT *
FROM REVENUE
)
SELECT
DATE,
WEEK,
POS,
SOURCE,
MEDIUM,
CAMPAIGN,
AD_CONTENT,
FORMAT,
BU,
CLICKS,
IMPRESSIONS,
SESSIONS,
TRANSACTIONS,
search_flight_pv,
search_flight_upv,
COST,
PAX,
REVENUE,
FROM COST_REVENUE
WHERE
1=1
AND DATE >= '2019-01-01'
我在這里做錯了什么?
我也希望看到 COST 的格式維度和 REVENUE 的格式維度之間存在匹配(它不存在,但它在活動列中)。
您實際上並不需要內部select
語句,因為您的活動數據應該在表的同一行中。
改變這個:
CASE
WHEN SOURCE_CAT = 'FACEBOOK' THEN
(
SELECT
splits[SAFE_OFFSET(5)] AS FORMAT,
FROM (
SELECT
ad_content,
SPLIT(REGEXP_REPLACE(
ad_content,
r'([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_(.+)',
r'\1|\2|\3|\4|\5|\6|\7'),
'|') AS splits
FROM ga_digital_marketing)) END AS FORMAT,
像這樣:
-- also replacing case with if for only 1 case
IF(SOURCE_CAT = 'FACEBOOK',
SPLIT(REGEXP_REPLACE(
ad_content,
r'([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_([^_]+)_(.+)',
r'\1|\2|\3|\4|\5|\6|\7'),
'|')[SAFE_OFFSET(5)], NULL) AS FORMAT,
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