Need a generic data type to hold any string

Hi,
I m trying to write a program which can log data from any table into a Trace Z table.
I have used
FIELD-SYMBOLS: <line>.
to get the line of that table. But now I want to dynamically know what are the field names of this line structure and the data in it. And then write it as a string to the trace Z table
form log_table_data tables rt_any_table
                    using rv_statement type string.
data: v_line type string,
        v_char_line type char255.
FIELD-SYMBOLS: <line>.
loop at rt_table ASSIGNING <LINE>.
    v_char_line = <LINE>.                                 - Terminating at this statement
   ASSIGN <LINE> to v_line casting type string.
endloop.
endform.
Thanks for reading

Hi,
if you are interested in generic programming in ABAP then this [presentation|https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/b332e090-0201-0010-bdbd-b735e96fe0ae] is full of information. There is a class CL_ABAP_STRUCTDESCR with method GET_COMPONENTS. This method returns a list of components of table or structure. So you will be able to loop over every field in the table and convert each field into string.
Cheers

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SQL> declare
2    vEmpno   emp.empno%Type;
3 begin
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I am using this code:
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DECLARE
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when I do the last SELECT order I get this in SQL Developer:
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Hi,
fibonacci wrote:
The thing is that I want to have column with DATE type that holds dates.
I want to do export in CSV format, but I have nine zeros. I do this - right click on the table -> export -> csv
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SQL Developer
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Need a generic data type to hold any string

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