CreateQuery sipHashKeyed_test (children 3)
 Identifier sipHashKeyed_test
 Storage definition (children 1)
  Function Memory (children 1)
   ExpressionList
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 2)
     Literal UInt64_1 (alias a)
     Literal \'test\' (alias b)