goose/internal/dialect/dialectquery/vertica.go

39 lines
1011 B
Go

package dialectquery
import "fmt"
type Vertica struct{}
var _ Querier = (*Vertica)(nil)
func (v *Vertica) CreateTable(tableName string) 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, tableName)
}
func (v *Vertica) InsertVersion(tableName string) string {
q := `INSERT INTO %s (version_id, is_applied) VALUES (?, ?)`
return fmt.Sprintf(q, tableName)
}
func (v *Vertica) DeleteVersion(tableName string) string {
q := `DELETE FROM %s WHERE version_id=?`
return fmt.Sprintf(q, tableName)
}
func (v *Vertica) GetMigrationByVersion(tableName string) string {
q := `SELECT tstamp, is_applied FROM %s WHERE version_id=? ORDER BY tstamp DESC LIMIT 1`
return fmt.Sprintf(q, tableName)
}
func (v *Vertica) ListMigrations(tableName string) string {
q := `SELECT version_id, is_applied from %s ORDER BY id DESC`
return fmt.Sprintf(q, tableName)
}