CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType Int32
   ColumnDeclaration data (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 2)
      DataType Int32
      DataType Int32
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier id
