我要在其中查询:
>附加到当前机会记录的用户的用户名
>与每个机会记录相关的销售阶段
>与机会记录相关的美元金额
我想要:
>获取当前的IF STATEMENT结果,并将其折叠
当前查询:
$sql = "SELECT u.user_name as USER,
if(o.sales_stage='Prospecting', o.amount, '') as PROSPECTING,
if(o.sales_stage='Needs Analysis', o.amount, '') as NEEDS_ANALYSIS,
if(o.sales_stage='Closed Won', o.amount, '') as CLOSED_WON
FROM opportunities o,
users u
WHERE o.assigned_user_id = u.id
GROUP BY u.user_name ";
当前结果:
USER PROSPECTING NEEDS_ANALYSIS CLOSED_WON
---------------------------------------------
chris 10000 0 0
chris 0 15000 0
chris 0 0 10000
sara 5000 0 0
sara 0 0 10000
我想要做的是折叠仅获得1个用户的结果,以及每个SalesStage各自的金额
USER PROSPECTING NEEDS_ANALYSIS CLOSED_WON
---------------------------------------------
chris 10000 15000 10000
sara 5000 0 10000
解决方法:
“崩溃”通常称为“透视”,因为您要将行转换为列状数据.采用:
SELECT u.user_name as USER,
MAX(CASE WHEN o.sales_stage = 'Prospecting' THEN o.amount END) AS PROSPECTING,
MAX(CASE WHEN o.sales_stage = 'Needs Analysis' THEN o.amount END) AS NEEDS_ANALYSIS,
MAX(CASE WHEN o.sales_stage = 'Closed Won' THEN o.amount END) AS CLOSED_WON
FROM OPPORTUNITIES o
JOIN USERS u ON u.id = o.assigned_user_id
GROUP BY u.user_name
标签:pivot,sql,mysql,php 来源: https://codeday.me/bug/20191023/1915332.html
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