-
Notifications
You must be signed in to change notification settings - Fork 0
/
join.go
70 lines (58 loc) · 2.02 KB
/
join.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
package sqlw
import (
"fmt"
"strings"
)
type JoinQuery struct {
table, leftColumn, rightColumn, jointure string
}
// select
func (s *SelectQuery) Join(table string, leftColumn, rightColumn string) *SelectQuery {
addJointure(&s.jointures, "join", table, leftColumn, rightColumn)
return s
}
func (s *SelectQuery) LetfJoin(table string, leftColumn, rightColumn string) *SelectQuery {
addJointure(&s.jointures, "left join", table, leftColumn, rightColumn)
return s
}
func (s *SelectQuery) RightJoin(table string, leftColumn, rightColumn string) *SelectQuery {
addJointure(&s.jointures, "right join", table, leftColumn, rightColumn)
return s
}
func (s *SelectQuery) InnerJoin(table string, leftColumn, rightColumn string) *SelectQuery {
addJointure(&s.jointures, "inner join", table, leftColumn, rightColumn)
return s
}
func (s *UpdateQuery) Join(table string, leftColumn, rightColumn string) *UpdateQuery {
addJointure(&s.jointures, "join", table, leftColumn, rightColumn)
return s
}
func (s *UpdateQuery) LetfJoin(table string, leftColumn, rightColumn string) *UpdateQuery {
addJointure(&s.jointures, "left join", table, leftColumn, rightColumn)
return s
}
func (s *UpdateQuery) RightJoin(table string, leftColumn, rightColumn string) *UpdateQuery {
addJointure(&s.jointures, "right join", table, leftColumn, rightColumn)
return s
}
func (s *UpdateQuery) InnerJoin(table string, leftColumn, rightColumn string) *UpdateQuery {
addJointure(&s.jointures, "inner join", table, leftColumn, rightColumn)
return s
}
func getJointureQuery(jointures *[]JoinQuery) strings.Builder {
var sb strings.Builder
for _, v := range *jointures {
if v.leftColumn != "" && v.rightColumn != "" {
sb.WriteString(fmt.Sprintf(" %s %s on %s=%s ", v.jointure, v.table, v.leftColumn, v.rightColumn))
}
}
return sb
}
func addJointure(jointures *[]JoinQuery, jointure, table, leftColumn, rightColumn string) {
*jointures = append(*jointures, JoinQuery{
table: table,
rightColumn: rightColumn,
leftColumn: leftColumn,
jointure: jointure,
})
}