CreateQuery enum_pk (children 3)
 Identifier enum_pk
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration date (children 2)
    DataType Date
    Literal \'0000-00-00\'
   ColumnDeclaration x (children 1)
    DataType Enum8 (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'0\'
        Literal UInt64_0
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'1\'
        Literal UInt64_1
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'2\'
        Literal UInt64_2
   ColumnDeclaration d (children 1)
    DataType Enum8 (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'0\'
        Literal UInt64_0
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'1\'
        Literal UInt64_1
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'2\'
        Literal UInt64_2
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList (children 3)
    Identifier date
    Identifier x
    Literal UInt64_1