CreateQuery test2 (children 3)
 Identifier test2
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration year (children 1)
    DataType String
   ColumnDeclaration uv (children 1)
    DataType Int64
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier year
