CreateQuery enum_test (children 3)
 Identifier enum_test
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration timestamp (children 1)
    DataType DateTime
   ColumnDeclaration host (children 1)
    DataType String
   ColumnDeclaration e (children 1)
    DataType Enum8 (children 1)
     ExpressionList (children 2)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'IU\'
        Literal UInt64_1
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'WS\'
        Literal UInt64_2
 Storage definition (children 3)
  Function MergeTree
  Function toDate (children 1)
   ExpressionList (children 1)
    Identifier timestamp
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier timestamp
    Identifier host
