ABAP Select data from SAP table RFM_PCO_OUTTAB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RFM_PCO_OUTTAB 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 RFM_PCO_OUTTAB. 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 RFM_PCO_OUTTAB 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_RFM_PCO_OUTTAB TYPE STANDARD TABLE OF RFM_PCO_OUTTAB,
      WA_RFM_PCO_OUTTAB TYPE RFM_PCO_OUTTAB,
      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: <RFM_PCO_OUTTAB> TYPE RFM_PCO_OUTTAB.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFM_PCO_OUTTAB
*  INTO TABLE @DATA(IT_RFM_PCO_OUTTAB2).
*--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_RFM_PCO_OUTTAB INDEX 1 INTO DATA(WA_RFM_PCO_OUTTAB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFM_PCO_OUTTAB>-SUPERFIELD = 1.
<RFM_PCO_OUTTAB>-SEQUENCE = 1.
<RFM_PCO_OUTTAB>-SORT1 = 1.
<RFM_PCO_OUTTAB>-EBELN = 1.
<RFM_PCO_OUTTAB>-LIFNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFM_PCO_OUTTAB-BSART, sy-vline,
  WA_RFM_PCO_OUTTAB-EKORG, sy-vline,
  WA_RFM_PCO_OUTTAB-RKGRP, sy-vline,
  WA_RFM_PCO_OUTTAB-BUKRS, sy-vline,
  WA_RFM_PCO_OUTTAB-KONNR, sy-vline,
  WA_RFM_PCO_OUTTAB-KTPNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFM_PCO_OUTTAB 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_RFM_PCO_OUTTAB 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_RFM_PCO_OUTTAB INTO WA_RFM_PCO_OUTTAB.


*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 SUPERFIELD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PCO_OUTTAB-SUPERFIELD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PCO_OUTTAB-SUPERFIELD.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field BANFN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFM_PCO_OUTTAB-BANFN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFM_PCO_OUTTAB-BANFN.
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_RFM_PCO_OUTTAB_STR, 
SUPERFIELD TYPE STRING,
SEQUENCE TYPE STRING,
SORT1 TYPE STRING,
EBELN TYPE STRING,
LIFNR TYPE STRING,
BSART TYPE STRING,
EKORG TYPE STRING,
RKGRP TYPE STRING,
BUKRS TYPE STRING,
KONNR TYPE STRING,
KTPNR TYPE STRING,
BANFN TYPE STRING,
BNFPO TYPE STRING,
DETLOGICON TYPE STRING,
OBJTXT TYPE STRING,
STATUSICON TYPE STRING,
MSGTY TYPE STRING,
T_MSG TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
N_ITEM TYPE STRING,
N_REQS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFM_PCO_OUTTAB_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_RFM_PCO_OUTTAB_STR-SUPERFIELD sy-vline 
WA_RFM_PCO_OUTTAB_STR-SEQUENCE sy-vline 
WA_RFM_PCO_OUTTAB_STR-SORT1 sy-vline 
WA_RFM_PCO_OUTTAB_STR-EBELN sy-vline 
WA_RFM_PCO_OUTTAB_STR-LIFNR sy-vline 
WA_RFM_PCO_OUTTAB_STR-BSART sy-vline 
WA_RFM_PCO_OUTTAB_STR-EKORG sy-vline 
WA_RFM_PCO_OUTTAB_STR-RKGRP sy-vline 
WA_RFM_PCO_OUTTAB_STR-BUKRS sy-vline 
WA_RFM_PCO_OUTTAB_STR-KONNR sy-vline 
WA_RFM_PCO_OUTTAB_STR-KTPNR sy-vline 
WA_RFM_PCO_OUTTAB_STR-BANFN sy-vline 
WA_RFM_PCO_OUTTAB_STR-BNFPO sy-vline 
WA_RFM_PCO_OUTTAB_STR-DETLOGICON sy-vline 
WA_RFM_PCO_OUTTAB_STR-OBJTXT sy-vline 
WA_RFM_PCO_OUTTAB_STR-STATUSICON sy-vline 
WA_RFM_PCO_OUTTAB_STR-MSGTY sy-vline 
WA_RFM_PCO_OUTTAB_STR-T_MSG sy-vline 
WA_RFM_PCO_OUTTAB_STR-MSGID sy-vline 
WA_RFM_PCO_OUTTAB_STR-MSGNO sy-vline 
WA_RFM_PCO_OUTTAB_STR-MSGV1 sy-vline 
WA_RFM_PCO_OUTTAB_STR-MSGV2 sy-vline 
WA_RFM_PCO_OUTTAB_STR-MSGV3 sy-vline 
WA_RFM_PCO_OUTTAB_STR-MSGV4 sy-vline 
WA_RFM_PCO_OUTTAB_STR-N_ITEM sy-vline 
WA_RFM_PCO_OUTTAB_STR-N_REQS sy-vline      INTO ld_text SEPARATED BY SPACE.

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