CreateQuery index_append_test_test (children 3)
 Identifier index_append_test_test
 Columns definition (children 2)
  ExpressionList (children 3)
   ColumnDeclaration i (children 1)
    DataType Int64
   ColumnDeclaration a (children 1)
    DataType UInt32
   ColumnDeclaration b (children 1)
    DataType UInt64
  ExpressionList (children 1)
   Constraint (children 1)
    Function and (children 1)
     ExpressionList (children 2)
      Function lessOrEquals (children 1)
       ExpressionList (children 2)
        Identifier i
        Function multiply (children 1)
         ExpressionList (children 2)
          Literal UInt64_2
          Identifier b
      Function greater (children 1)
       ExpressionList (children 2)
        Function plus (children 1)
         ExpressionList (children 2)
          Identifier i
          Literal UInt64_40
        Identifier a
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier i