CreateQuery table_float (children 3)
 Identifier table_float
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration f (children 1)
    DataType Float64
   ColumnDeclaration u (children 1)
    DataType UInt32
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier f
    Identifier u