CreateQuery defaults (children 3)
 Identifier defaults
 Columns definition (children 1)
  ExpressionList (children 7)
   ColumnDeclaration x (children 1)
    DataType UInt32
   ColumnDeclaration y (children 1)
    DataType UInt32
   ColumnDeclaration a (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
   ColumnDeclaration b (children 2)
    DataType Float32
    Function round (children 1)
     ExpressionList (children 2)
      Function log (children 1)
       ExpressionList (children 1)
        Function plus (children 1)
         ExpressionList (children 2)
          Function plus (children 1)
           ExpressionList (children 2)
            Literal UInt64_1
            Identifier x
          Identifier y
      Literal UInt64_5
   ColumnDeclaration c (children 2)
    DataType UInt32
    Literal UInt64_42
   ColumnDeclaration e (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
   ColumnDeclaration f (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier x
      Identifier y
 Storage definition (children 2)
  Function MergeTree
  Identifier x
