CreateQuery TestView (children 2)
 Identifier TestView
 SelectWithUnionQuery (children 1)
  ExpressionList (children 2)
   SelectQuery (children 3)
    ExpressionList (children 3)
     Identifier str
     Identifier key
     Function sumIf (alias sum) (children 1)
      ExpressionList (children 2)
       Identifier a
       Literal UInt64_0
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier Test_00584
    ExpressionList (children 2)
     Identifier str
     Identifier key
   SelectQuery (children 3)
    ExpressionList (children 3)
     Identifier str (alias str)
     Function CAST (alias key) (children 1)
      ExpressionList (children 2)
       Literal \'ALL\'
       Literal \'Enum8(\\\'A\\\' = 0, \\\'B\\\' = 1, \\\'ALL\\\' = 2)\'
     Function sumIf (alias sum) (children 1)
      ExpressionList (children 2)
       Identifier a
       Literal UInt64_0
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier Test_00584
    ExpressionList (children 1)
     Identifier str