CreateQuery cast1 (children 3)
 Identifier cast1
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration x (children 1)
    DataType UInt8
   ColumnDeclaration e (children 2)
    DataType Enum8 (children 1)
     ExpressionList (children 2)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'hello\'
        Literal UInt64_1
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'world\'
        Literal UInt64_2
    Function CAST (children 1)
     ExpressionList (children 2)
      Identifier x
      Literal \'Enum8(\\\'hello\\\' = 1, \\\'world\\\' = 2)\'
 Storage definition (children 2)
  Function ReplicatedMergeTree (children 1)
   ExpressionList (children 2)
    Literal \'/clickhouse/tables/{database}/test_00643/cast\'
    Literal \'r1\'
  Identifier e