SQL parser can not tell the difference of '~id =1' and '~(id =1)'

[sunsun314]

Steps:
  use dble to exec the sql " select * from suntest where ~ id = 1;" ,4 result
  find the record mysql node exec the same sql one by one every result is 0 result
Reason:
  Druid has some error in parse '~',wait new druid version to release
  https://github.com/alibaba/druid/pull/2056

[sunsun314]

wait until update the druid import in dble

[FlyingMao]

verified version：
5.6.29-dble-9.9.9.9-359645c-20181029082136

[FlyingMao]

for tester：
suggest autotest position: sqls/select/expression.sql (reference line 62、64)