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Conditionally join foreign tables

This commit is contained in:
Gregory Eremin 2015-03-22 21:01:09 +07:00
parent 5d3200b5db
commit d315f272c7
1 changed files with 58 additions and 24 deletions
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82
db/stat.go
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@ -17,19 +17,6 @@ type (
}
)
const joinContribFT = `
join team_members tm on
c.user_id = tm.user_id and
c.org_id = tm.org_id
join orgs o on
c.org_id = o.id
join teams t on
tm.team_id = t.id
join users u on
c.user_id = u.id
join repos r on
c.repo_id = r.id`
func StatOrgTop(login string, p map[string]interface{}) (res []StatItem) {
defer measure(time.Now(), "StatOrgTop")
mustSelectN(&res, fmt.Sprintf(`
@ -38,7 +25,9 @@ func StatOrgTop(login string, p map[string]interface{}) (res []StatItem) {
sum(c.commits) as commits,
sum(c.additions) - sum(c.deletions) as delta
from contribs c
`+joinContribFT+`
join orgs o
on o.id = c.org_id
`+joinContribFT(p["item"])+`
where
o.login = :org and
c.repo_id in `+reposScope(login)+` and
@ -59,7 +48,9 @@ func StatOrgActivity(login string, p map[string]interface{}) (res []StatPoint) {
sum(c.additions) - sum(c.deletions) as delta,
c.week as week
from contribs c
`+joinContribFT+`
join orgs o on
o.id = c.org_id
`+joinContribFT(p["item"])+`
where
o.login = :org and
c.repo_id in `+reposScope(login)+` and
@ -79,7 +70,14 @@ func StatTeamTop(login string, p map[string]interface{}) (res []StatItem) {
sum(c.commits) as commits,
sum(c.additions) - sum(c.deletions) as delta
from contribs c
`+joinContribFT+`
join orgs o on
o.id = c.org_id
join team_members tm on
c.user_id = tm.user_id and
c.org_id = tm.org_id
join teams t on
t.id = tm.team_id
`+joinContribFT(p["item"])+`
where
o.login = :org and
c.repo_id in `+reposScope(login)+` and
@ -101,7 +99,14 @@ func StatTeamActivity(login string, p map[string]interface{}) (res []StatPoint)
sum(c.additions) - sum(c.deletions) as delta,
c.week as week
from contribs c
`+joinContribFT+`
join orgs o on
o.id = c.org_id
join team_members tm on
c.user_id = tm.user_id and
c.org_id = tm.org_id
join teams t on
tm.team_id = t.id
`+joinContribFT(p["item"])+`
where
o.login = :org and
c.repo_id in `+reposScope(login)+` and
@ -123,7 +128,7 @@ func StatUserTop(login string, p map[string]interface{}) (res []StatItem) {
sum(c.additions) - sum(c.deletions) as delta
from contribs c
join orgs o on
c.org_id = o.id
o.id = c.org_id
join users u on
c.user_id = u.id
join repos r on
@ -150,7 +155,7 @@ func StatUserActivity(login string, p map[string]interface{}) (res []StatPoint)
sum(c.additions) - sum(c.deletions) as delta
from contribs c
join orgs o on
c.org_id = o.id
o.id = c.org_id
join users u on
c.user_id = u.id
join repos r on
@ -175,7 +180,11 @@ func StatRepoTop(login string, p map[string]interface{}) (res []StatItem) {
sum(c.commits) as commits,
sum(c.additions) - sum(c.deletions) as delta
from contribs c
`+joinContribFT+`
join orgs o on
o.id = c.org_id
join repos r on
c.repo_id = r.id
`+joinContribFT(p["item"])+`
where
o.login = :org and
c.repo_id in `+reposScope(login)+` and
@ -197,7 +206,11 @@ func StatRepoActivity(login string, p map[string]interface{}) (res []StatPoint)
sum(c.commits) as commits,
sum(c.additions) - sum(c.deletions) as delta
from contribs c
`+joinContribFT+`
join orgs o on
o.id = c.org_id
join repos r on
c.repo_id = r.id
`+joinContribFT(p["item"])+`
where
o.login = :org and
c.repo_id in `+reposScope(login)+` and
@ -210,11 +223,32 @@ func StatRepoActivity(login string, p map[string]interface{}) (res []StatPoint)
return
}
func joinContribFT(item interface{}) string {
switch item {
case "r.name":
return "join repos r on c.repo_id = r.id"
case "u.login":
return "join users u on c.user_id = u.id"
case "t.name":
return `
join team_members tm on
tm.user_id = c.user_id and
tm.org_id = c.org_id
join teams t on
t.id = tm.team_id`
default:
panic("unreachable")
}
}
func reposScope(login string) string {
return fmt.Sprintf(`(
select repo_id
select
distinct(repo_id)
from team_repos tr
join team_members tm on tr.team_id = tm.team_id
join users u on u.login = %q
join team_members tm on
tm.team_id = tr.team_id
join users u on
u.login = %q
)`, login)
}