ABAP Select data from SAP table RF06A into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RF06A 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 RF06A. 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 RF06A 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_RF06A TYPE STANDARD TABLE OF RF06A,
      WA_RF06A TYPE RF06A,
      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: <RF06A> TYPE RF06A.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RF06A.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RF06A
  INTO TABLE IT_RF06A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RF06A
*  INTO TABLE @DATA(IT_RF06A2).
*--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_RF06A INDEX 1 INTO DATA(WA_RF06A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RF06A ASSIGNING <RF06A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RF06A>-AFELD = 1.
<RF06A>-ANZBT = 1.
<RF06A>-ANZBT_TEXT = 1.
<RF06A>-ANZDT = 1.
<RF06A>-ANZW1 = 1.

ENDLOOP.

LOOP AT IT_RF06A INTO WA_RF06A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RF06A-ANZW2, sy-vline,
  WA_RF06A-AVMAX, sy-vline,
  WA_RF06A-AVSID, sy-vline,
  WA_RF06A-AVSPO, sy-vline,
  WA_RF06A-AVSRT, sy-vline,
  WA_RF06A-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RF06A 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_RF06A 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_RF06A INTO WA_RF06A.


*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 AC132, internal->external for field ANZBT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_RF06A-ANZBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF06A-ANZBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KONTO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RF06A-KONTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF06A-KONTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NEWKO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RF06A-NEWKO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF06A-NEWKO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field SCURR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_RF06A-SCURR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RF06A-SCURR.
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_RF06A_STR, 
AFELD TYPE STRING,
ANZBT TYPE STRING,
ANZBT_TEXT TYPE STRING,
ANZDT TYPE STRING,
ANZW1 TYPE STRING,
ANZW2 TYPE STRING,
AVMAX TYPE STRING,
AVSID TYPE STRING,
AVSPO TYPE STRING,
AVSRT TYPE STRING,
BUKRS TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
FSLK0 TYPE STRING,
FSLK1 TYPE STRING,
FSLK2 TYPE STRING,
FSLK3 TYPE STRING,
KOABZ TYPE STRING,
KOART TYPE STRING,
KONTO TYPE STRING,
NAME1 TYPE STRING,
NEWKO TYPE STRING,
SCHAR TYPE STRING,
SCURR TYPE STRING,
SDATE TYPE STRING,
SFELD TYPE STRING,
STYPE TYPE STRING,
SWERT TYPE STRING,
XFIPO TYPE STRING,
XTINI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RF06A_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_RF06A_STR-AFELD sy-vline 
WA_RF06A_STR-ANZBT sy-vline 
WA_RF06A_STR-ANZBT_TEXT sy-vline 
WA_RF06A_STR-ANZDT sy-vline 
WA_RF06A_STR-ANZW1 sy-vline 
WA_RF06A_STR-ANZW2 sy-vline 
WA_RF06A_STR-AVMAX sy-vline 
WA_RF06A_STR-AVSID sy-vline 
WA_RF06A_STR-AVSPO sy-vline 
WA_RF06A_STR-AVSRT sy-vline 
WA_RF06A_STR-BUKRS sy-vline 
WA_RF06A_STR-ERDAT sy-vline 
WA_RF06A_STR-ERNAM sy-vline 
WA_RF06A_STR-FSLK0 sy-vline 
WA_RF06A_STR-FSLK1 sy-vline 
WA_RF06A_STR-FSLK2 sy-vline 
WA_RF06A_STR-FSLK3 sy-vline 
WA_RF06A_STR-KOABZ sy-vline 
WA_RF06A_STR-KOART sy-vline 
WA_RF06A_STR-KONTO sy-vline 
WA_RF06A_STR-NAME1 sy-vline 
WA_RF06A_STR-NEWKO sy-vline 
WA_RF06A_STR-SCHAR sy-vline 
WA_RF06A_STR-SCURR sy-vline 
WA_RF06A_STR-SDATE sy-vline 
WA_RF06A_STR-SFELD sy-vline 
WA_RF06A_STR-STYPE sy-vline 
WA_RF06A_STR-SWERT sy-vline 
WA_RF06A_STR-XFIPO sy-vline 
WA_RF06A_STR-XTINI sy-vline      INTO ld_text SEPARATED BY SPACE.

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