CreateQuery x (children 3)
 Identifier x
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration d (children 1)
    DataType Date
   ColumnDeclaration t (children 1)
    DataType DateTime
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList (children 3)
    Identifier d
    Function tuple (children 1)
     ExpressionList (children 2)
      Identifier d
      Identifier t
    Literal UInt64_1
