CreateQuery t_memory (children 3)
 Identifier t_memory
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration k (children 1)
    DataType Int
   ColumnDeclaration v (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 2)
      Function groupArrayLast (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType String
 Storage definition (children 1)
  Function Memory
