CreateQuery mytable (children 3)
 Identifier mytable
 Columns definition (children 2)
  ExpressionList (children 4)
   ColumnDeclaration operand (children 1)
    DataType Float64
   ColumnDeclaration low (children 1)
    DataType Float64
   ColumnDeclaration high (children 1)
    DataType Float64
   ColumnDeclaration count (children 1)
    DataType UInt64
  Function tuple (children 1)
   ExpressionList (children 4)
    Identifier operand
    Identifier low
    Identifier high
    Identifier count
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList