CreateQuery t (children 3)
 Identifier t
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType Int32
   ColumnDeclaration d (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 3)
      NameTypePair year (children 1)
       DataType Int32
      NameTypePair month (children 1)
       DataType Int32
      NameTypePair day (children 1)
       DataType Int32
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
