CreateQuery test2 (children 3)
 Identifier test2
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a (children 1)
    DataType UInt32
   ColumnDeclaration b (children 1)
    DataType Int64
 Storage definition (children 3)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Function multiply (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function multiply (children 1)
     ExpressionList (children 2)
      Identifier b
      Identifier b
  Function tuple (children 1)
   ExpressionList
