16 lines
348 B
Go
16 lines
348 B
Go
|
package database
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"hash/crc32"
|
||
|
|
)
|
||
|
|
|
||
|
|
const advisoryLockIdSalt uint = 1486364155
|
||
|
|
|
||
|
|
// inspired by rails migrations, see https://goo.gl/8o9bCT
|
||
|
|
func GenerateAdvisoryLockId(databaseName string) (string, error) {
|
||
|
|
sum := crc32.ChecksumIEEE([]byte(databaseName))
|
||
|
|
sum = sum * uint32(advisoryLockIdSalt)
|
||
|
|
return fmt.Sprintf("%v", sum), nil
|
||
|
|
}
|