CreateQuery tab3 (children 3)
 Identifier tab3
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration a (children 1)
    DataType UInt32
   ColumnDeclaration b (children 1)
    DataType UInt32
   ColumnDeclaration c (children 1)
    DataType UInt32
   ColumnDeclaration d (children 1)
    DataType UInt32
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Function multiply (children 1)
     ExpressionList (children 2)
      Function plus (children 1)
       ExpressionList (children 2)
        Identifier a
        Identifier b
      Identifier c
    Function sin (children 1)
     ExpressionList (children 1)
      Function divide (children 1)
       ExpressionList (children 2)
        Identifier a
        Identifier b
