SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test
   Function and (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier region
       Literal \'europe\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier user_id
       Literal UInt64_101
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier ALL
   Set
