CreateQuery XXXX (children 3)
 Identifier XXXX
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration t (children 1)
    DataType Int64
   ColumnDeclaration f (children 1)
    DataType Float64
 Storage definition (children 3)
  Function MergeTree
  Identifier t
  Set