CreateQuery alter_update_00806 (children 3)
 Identifier alter_update_00806
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration d (children 1)
    DataType Date
   ColumnDeclaration e (children 1)
    DataType Enum8 (children 1)
     ExpressionList (children 2)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'foo\'
        Literal UInt64_1
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'bar\'
        Literal UInt64_2
 Storage definition (children 4)
  Function MergeTree
  Identifier d
  Identifier d
  Set