forked from pressly/goose
-
Notifications
You must be signed in to change notification settings - Fork 0
/
vertica.go
40 lines (32 loc) · 937 Bytes
/
vertica.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
package dialectquery
import "fmt"
type Vertica struct {
Table string
}
var _ Querier = (*Vertica)(nil)
func (v *Vertica) CreateTable() string {
q := `CREATE TABLE %s (
id identity(1,1) NOT NULL,
version_id bigint NOT NULL,
is_applied boolean NOT NULL,
tstamp timestamp NULL default now(),
PRIMARY KEY(id)
)`
return fmt.Sprintf(q, v.Table)
}
func (v *Vertica) InsertVersion() string {
q := `INSERT INTO %s (version_id, is_applied) VALUES (?, ?)`
return fmt.Sprintf(q, v.Table)
}
func (v *Vertica) DeleteVersion() string {
q := `DELETE FROM %s WHERE version_id=?`
return fmt.Sprintf(q, v.Table)
}
func (v *Vertica) GetMigrationByVersion() string {
q := `SELECT tstamp, is_applied FROM %s WHERE version_id=? ORDER BY tstamp DESC LIMIT 1`
return fmt.Sprintf(q, v.Table)
}
func (v *Vertica) ListMigrations() string {
q := `SELECT version_id, is_applied from %s ORDER BY id DESC`
return fmt.Sprintf(q, v.Table)
}