select a.date_range,
`user
`,a.user_id,a.project,
`group`,
sum(
if(a.staus=
'pushed to'
,a.ct,0)
)as`pushed to`,
sum(
if(a.staus=
'pushed new'
,a.ct,0)
)as`pushed new`
,sum(if
(a.staus=
'created'
,a.ct,0)
)as`created`
,sum(if
(a.staus=
'deleted'
,a.ct,0)
)as`deleted`
,sum(if
(a.staus=
'joined'
,a.ct,0)
)as`joined`
,sum
(a.ct)
as total
from
(select e.date_range,e.author_name `
user
`,e.author_username `user_id`
,p.name `project`
,p.namespace_name `
group`,
if(action_name=
'pushed to'
,'pushed to'
,'false'
)as staus,
count(*
) ct
from events_info e ,projects_info_02 p
where e.project_id=p.id and action_name=
'pushed to'
group
by project_id,author_id
union
select e.date_range,e.author_name `
user
`,e.author_username `user_id`
,p.name `project`
,p.namespace_name `
group`,
if(action_name=
'pushed new'
,'pushed new'
,'false'
)as staus,
count(*
) ct
from events_info e ,projects_info_02 p
where e.project_id=p.id and action_name=
'pushed new'
group
by project_id,author_id
union
select e.date_range,e.author_name `
user
`,e.author_username `user_id`
,p.name `project`
,p.namespace_name `
group`,
if(action_name=
'created'
,'created'
,'false'
)as staus,
count(*
) ct
from events_info e ,projects_info_02 p
where e.project_id=p.id and action_name=
'created'
group
by project_id,author_id
union
select e.date_range,e.author_name `
user
`,e.author_username `user_id`
,p.name `project`
,p.namespace_name `
group`,
if(action_name=
'deleted'
,'deleted'
,'false'
)as staus,
count(*
) ct
from events_info e ,projects_info_02 p
where e.project_id=p.id and action_name=
'deleted'
group
by project_id,author_id
union
select e.date_range,e.author_name `
user
`,e.author_username `user_id`
,p.name `project`
,p.namespace_name `
group`,
if(action_name=
'left'
,'left'
,'false'
)as staus,
count(*
) ct
from events_info e ,projects_info_02 p
where e.project_id=p.id and action_name=
'left'
group
by project_id,author_id
union
select e.date_range,e.author_name `
user
`,e.author_username `user_id`
,p.name `project`
,p.namespace_name `
group`,
if(action_name=
'joined'
,'joined'
,'false'
)as staus,
count(*
) ct
from events_info e ,projects_info_02 p
where e.project_id=p.id and action_name=
'joined'
group
by project_id,author_id
orderby`
group
`) a
group
by a.user_id,a.project
order
by a.
group
;在這裡插入**片
SQL（行列互換）
有乙個sql題在面試中出現的概率極高，最近有學生出去面試仍然會遇到這樣的題目，在這裡跟大家分享一下。題目 資料庫中有一張如下所示的表，表名為sales。年 季度銷售量 1991111 1991212 1991313 1991414 1992121 1992222 1992323 1992424 要求...
SQL行列互換
有乙個sql題在面試中出現的概率極高，在這裡跟大家分享一下。題目 資料庫中有一張如下所示的表，表名為sales。年 季度銷售量 1991111 1991212 1991313 1991414 1992121 1992222 1992323 1992424 要求 寫乙個sql語句查詢出如下所示的結果。...
SQL行列互換
題目 資料庫中有一張如下所示的表，表名為sales。年 季度銷售量 1991111 1991212 1991313 1991414 1992121 1992222 1992323 1992424 要求 寫乙個sql語句查詢出如下所示的結果。年 一季度二季度 三季度四季度 1991 1112 1314...