ABAP Select data from SAP table REXCJP_OUTPUT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REXCJP_OUTPUT table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to REXCJP_OUTPUT. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the REXCJP_OUTPUT table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_REXCJP_OUTPUT TYPE STANDARD TABLE OF REXCJP_OUTPUT,
      WA_REXCJP_OUTPUT TYPE REXCJP_OUTPUT,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <REXCJP_OUTPUT> TYPE REXCJP_OUTPUT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_REXCJP_OUTPUT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM REXCJP_OUTPUT
  INTO TABLE IT_REXCJP_OUTPUT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCJP_OUTPUT
*  INTO TABLE @DATA(IT_REXCJP_OUTPUT2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_REXCJP_OUTPUT INDEX 1 INTO DATA(WA_REXCJP_OUTPUT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_REXCJP_OUTPUT ASSIGNING <REXCJP_OUTPUT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REXCJP_OUTPUT>-N01_REPTYPE = 1.
<REXCJP_OUTPUT>-N02_REFNR1 = 1.
<REXCJP_OUTPUT>-N02CORPORATENUMBER = 1.
<REXCJP_OUTPUT>-N03_OFFCAT = 1.
<REXCJP_OUTPUT>-N04RESP_ADDR = 1.

ENDLOOP.

LOOP AT IT_REXCJP_OUTPUT INTO WA_REXCJP_OUTPUT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCJP_OUTPUT-N05_REP1, sy-vline,
  WA_REXCJP_OUTPUT-N06_REP1TEL, sy-vline,
  WA_REXCJP_OUTPUT-N07_REFNR2, sy-vline,
  WA_REXCJP_OUTPUT-N08FILER_ADDR, sy-vline,
  WA_REXCJP_OUTPUT-N09_REP2, sy-vline,
  WA_REXCJP_OUTPUT-N10_CORRIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCJP_OUTPUT you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_REXCJP_OUTPUT TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_REXCJP_OUTPUT INTO WA_REXCJP_OUTPUT.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field N04RESP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REXCJP_OUTPUT-N04RESP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCJP_OUTPUT-N04RESP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field N08FILER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REXCJP_OUTPUT-N08FILER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCJP_OUTPUT-N08FILER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field N12PAYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REXCJP_OUTPUT-N12PAYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCJP_OUTPUT-N12PAYEE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field N31AGENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REXCJP_OUTPUT-N31AGENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCJP_OUTPUT-N31AGENT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_REXCJP_OUTPUT_STR, 
N01_REPTYPE TYPE STRING,
N02_REFNR1 TYPE STRING,
N02CORPORATENUMBER TYPE STRING,
N03_OFFCAT TYPE STRING,
N04RESP_ADDR TYPE STRING,
N05_REP1 TYPE STRING,
N06_REP1TEL TYPE STRING,
N07_REFNR2 TYPE STRING,
N08FILER_ADDR TYPE STRING,
N09_REP2 TYPE STRING,
N10_CORRIND TYPE STRING,
N11_REPERA TYPE STRING,
N11_REPYEAR TYPE STRING,
N12PAYEE_ADDR TYPE STRING,
N13_PAYFA TYPE STRING,
N14_PAYEE TYPE STRING,
N14PAYEENUMBER TYPE STRING,
N15_PAYEECAT TYPE STRING,
N16_PYMNTCAT1 TYPE STRING,
N17PYMNT1_ADDR TYPE STRING,
N18_PYMNTDET1 TYPE STRING,
N19_PYMNTBAS1 TYPE STRING,
N20_PYMNTAM1 TYPE STRING,
N21_PYMNTCAT2 TYPE STRING,
N22PYMNT2_ADDR TYPE STRING,
N23_PYMNTDET2 TYPE STRING,
N24_PYMNTBAS2 TYPE STRING,
N25_PYMNTAM2 TYPE STRING,
N26_PYMNTCAT3 TYPE STRING,
N27PYMNT3_ADDR TYPE STRING,
N28_PYMNTDET3 TYPE STRING,
N29_PYMNTBAS3 TYPE STRING,
N30_PYMNTAM3 TYPE STRING,
N31AGENT_ADDR TYPE STRING,
N32_BRFA TYPE STRING,
N33_BRNAME TYPE STRING,
N32AGENTNUMBER TYPE STRING,
N34_BRCAT TYPE STRING,
N35_BRYEAR TYPE STRING,
N35_BRMONTH TYPE STRING,
N35_BRDAY TYPE STRING,
N38_BRFEE TYPE STRING,
N39_REMARK TYPE STRING,
CURRENCY TYPE STRING,
N04RESP TYPE STRING,
N08FILER TYPE STRING,
N12PAYEE TYPE STRING,
N17PYMNT1 TYPE STRING,
N22PYMNT2 TYPE STRING,
N27PYMNT3 TYPE STRING,
N31AGENT TYPE STRING,
N40_TAX_OFFICE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCJP_OUTPUT_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_REXCJP_OUTPUT_STR-N01_REPTYPE sy-vline 
WA_REXCJP_OUTPUT_STR-N02_REFNR1 sy-vline 
WA_REXCJP_OUTPUT_STR-N02CORPORATENUMBER sy-vline 
WA_REXCJP_OUTPUT_STR-N03_OFFCAT sy-vline 
WA_REXCJP_OUTPUT_STR-N04RESP_ADDR sy-vline 
WA_REXCJP_OUTPUT_STR-N05_REP1 sy-vline 
WA_REXCJP_OUTPUT_STR-N06_REP1TEL sy-vline 
WA_REXCJP_OUTPUT_STR-N07_REFNR2 sy-vline 
WA_REXCJP_OUTPUT_STR-N08FILER_ADDR sy-vline 
WA_REXCJP_OUTPUT_STR-N09_REP2 sy-vline 
WA_REXCJP_OUTPUT_STR-N10_CORRIND sy-vline 
WA_REXCJP_OUTPUT_STR-N11_REPERA sy-vline 
WA_REXCJP_OUTPUT_STR-N11_REPYEAR sy-vline 
WA_REXCJP_OUTPUT_STR-N12PAYEE_ADDR sy-vline 
WA_REXCJP_OUTPUT_STR-N13_PAYFA sy-vline 
WA_REXCJP_OUTPUT_STR-N14_PAYEE sy-vline 
WA_REXCJP_OUTPUT_STR-N14PAYEENUMBER sy-vline 
WA_REXCJP_OUTPUT_STR-N15_PAYEECAT sy-vline 
WA_REXCJP_OUTPUT_STR-N16_PYMNTCAT1 sy-vline 
WA_REXCJP_OUTPUT_STR-N17PYMNT1_ADDR sy-vline 
WA_REXCJP_OUTPUT_STR-N18_PYMNTDET1 sy-vline 
WA_REXCJP_OUTPUT_STR-N19_PYMNTBAS1 sy-vline 
WA_REXCJP_OUTPUT_STR-N20_PYMNTAM1 sy-vline 
WA_REXCJP_OUTPUT_STR-N21_PYMNTCAT2 sy-vline 
WA_REXCJP_OUTPUT_STR-N22PYMNT2_ADDR sy-vline 
WA_REXCJP_OUTPUT_STR-N23_PYMNTDET2 sy-vline 
WA_REXCJP_OUTPUT_STR-N24_PYMNTBAS2 sy-vline 
WA_REXCJP_OUTPUT_STR-N25_PYMNTAM2 sy-vline 
WA_REXCJP_OUTPUT_STR-N26_PYMNTCAT3 sy-vline 
WA_REXCJP_OUTPUT_STR-N27PYMNT3_ADDR sy-vline 
WA_REXCJP_OUTPUT_STR-N28_PYMNTDET3 sy-vline 
WA_REXCJP_OUTPUT_STR-N29_PYMNTBAS3 sy-vline 
WA_REXCJP_OUTPUT_STR-N30_PYMNTAM3 sy-vline 
WA_REXCJP_OUTPUT_STR-N31AGENT_ADDR sy-vline 
WA_REXCJP_OUTPUT_STR-N32_BRFA sy-vline 
WA_REXCJP_OUTPUT_STR-N33_BRNAME sy-vline 
WA_REXCJP_OUTPUT_STR-N32AGENTNUMBER sy-vline 
WA_REXCJP_OUTPUT_STR-N34_BRCAT sy-vline 
WA_REXCJP_OUTPUT_STR-N35_BRYEAR sy-vline 
WA_REXCJP_OUTPUT_STR-N35_BRMONTH sy-vline 
WA_REXCJP_OUTPUT_STR-N35_BRDAY sy-vline 
WA_REXCJP_OUTPUT_STR-N38_BRFEE sy-vline 
WA_REXCJP_OUTPUT_STR-N39_REMARK sy-vline 
WA_REXCJP_OUTPUT_STR-CURRENCY sy-vline 
WA_REXCJP_OUTPUT_STR-N04RESP sy-vline 
WA_REXCJP_OUTPUT_STR-N08FILER sy-vline 
WA_REXCJP_OUTPUT_STR-N12PAYEE sy-vline 
WA_REXCJP_OUTPUT_STR-N17PYMNT1 sy-vline 
WA_REXCJP_OUTPUT_STR-N22PYMNT2 sy-vline 
WA_REXCJP_OUTPUT_STR-N27PYMNT3 sy-vline 
WA_REXCJP_OUTPUT_STR-N31AGENT sy-vline 
WA_REXCJP_OUTPUT_STR-N40_TAX_OFFICE sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.