wpfcombobox数据展示丢失下划线
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参考技术A 突然发现label设置content的值为字符串时,如果字符串中包含_的话,在展示出来时下划线就不见了,百度了一下,发现了问题根源,说的label的ContentPresenter默认将下划线处理成快捷键了。解决的办法也很简单,只需要重写label的样式,设置不需要处理成快捷键即可(RecognizesAccessKey="False"):
将旧版 BigQuery 转换为标准并收到错误“无法解析表名称“s3”:数据集名称丢失。”
【中文标题】将旧版 BigQuery 转换为标准并收到错误“无法解析表名称“s3”:数据集名称丢失。”【英文标题】:Translating Legacy BigQuery to Standard and getting error "Table name "s3" cannot be resolved: dataset name is missing." 【发布时间】:2018-10-02 15:01:42 【问题描述】:错误在第 4 行,s3.fullVisitorId 带有下划线。我想它会在该组中的每个选定项目上引发错误。
我尝试在 DISTINCT 之后添加一个 SELECT 语句,并且内联错误消失了,但是当我尝试运行查询时出现错误:“无法解析表名称“s3”:数据集名称丢失。”
任何帮助将不胜感激。我发现将查询从遗留 sql 转换为标准有点让人头疼。
这是完整的查询:
#standardSQL
SELECT
CAST(CONCAT(SUBSTR(date,1,4),'-',SUBSTR(date,5,2),'-',SUBSTR(date,7,2)) AS DATE) AS Date,
COUNT(DISTINCT s3.fullVisitorId) AS users,
COUNT(s0.firstHit) AS carts,
COUNT(s1.firstHit) AS order_details,
COUNT(s2.firstHit) AS order_confirmation
FROM (
SELECT
IFNULL(s3.date,
IFNULL(s0.date,
IFNULL(s1.date,
s2.date))) AS date,
s3.fullVisitorId,
s0.fullVisitorId,
s0.visitId,
s0.firstHit,
s1.firstHit,
s2.firstHit
FROM (
# user subquery
SELECT
date,
fullVisitorId,
visitId
FROM
`big-query-project-34643.162968675.ga_sessions_*`
WHERE
_TABLE_SUFFIX BETWEEN FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 365 DAY))
AND FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 0 DAY))
AND totals.visits = 1
GROUP BY
date,
fullVisitorId,
visitId) s3
FULL OUTER JOIN
((
# first subquery
SELECT
date,
fullVisitorId,
visitId,
MIN(h.hitNumber) AS firstHit
FROM
`big-query-project-34643.162968675.ga_sessions_*`, unnest(hits) as h
WHERE
_TABLE_SUFFIX BETWEEN FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 365 DAY))
AND FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 0 DAY))
AND REGEXP_CONTAINS(h.page.pagePath,
'/cart')
AND totals.visits = 1
GROUP BY
date,
fullVisitorId,
visitId)) s0
ON
s3.fullVisitorId = s0.fullVisitorId
AND s3.visitId = s0.visitId
FULL OUTER JOIN
((
# Second Subquery
SELECT
date,
fullVisitorId,
visitId,
MIN(h.hitNumber) AS firstHit
FROM
`big-query-project-34643.162968675.ga_sessions_*`, unnest(hits) as h
WHERE
_TABLE_SUFFIX BETWEEN FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 365 DAY))
AND FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 0 DAY))
AND REGEXP_CONTAINS(h.page.pagePath,
'/order-details')
AND totals.visits = 1
GROUP BY
date,
fullVisitorId,
visitId)) s1
ON
s0.fullVisitorId = s1.fullVisitorId
AND s0.visitId = s1.visitId
FULL OUTER JOIN
((
# Third Subquery
SELECT
date,
fullVisitorId,
visitId,
MIN(h.hitNumber) AS firstHit
FROM
`big-query-project-34643.162968675.ga_sessions_*`, unnest(hits) as h
WHERE
_TABLE_SUFFIX BETWEEN FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 365 DAY))
AND FORMAT_DATE('%Y%m%d', DATE_SUB(CURRENT_DATE(), INTERVAL 0 DAY))
AND REGEXP_CONTAINS(h.page.pagePath,
'/orderconfirmation')
AND totals.visits = 1
GROUP BY
date,
fullVisitorId,
visitId)) s2
ON
s1.fullVisitorId = s2.fullVisitorId
AND s1.visitId = s2.visitId)
GROUP BY
date
ORDER BY
date
【问题讨论】:
【参考方案1】:这里有多个问题 - 特别是:在第 14-19 行中
s3.fullVisitorId,
s0.fullVisitorId,
s0.visitId,
s0.firstHit,
s1.firstHit,
s2.firstHit
我建议至少在下面提供 [例如] 之类的别名
s3.fullVisitorId s3_fullVisitorId,
s0.fullVisitorId s0_fullVisitorId,
s0.visitId,
s0.firstHit s0_firstHit,
s1.firstHit s1_firstHit,
s2.firstHit s2_firstHit
然后在第 4-7 行 - 引用别名
COUNT(DISTINCT s3_fullVisitorId) AS users,
COUNT(s0_firstHit) AS carts,
COUNT(s1_firstHit) AS order_details,
COUNT(s2_firstHit) AS order_confirmation
【讨论】:
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