ABAP Select data from SAP table RBOBEPP_API_GEN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RBOBEPP_API_GEN
*  INTO TABLE @DATA(IT_RBOBEPP_API_GEN2).
*--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_RBOBEPP_API_GEN INDEX 1 INTO DATA(WA_RBOBEPP_API_GEN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RBOBEPP_API_GEN>-MANDT = 1.
<RBOBEPP_API_GEN>-BUKRS = 1.
<RBOBEPP_API_GEN>-RANL = 1.
<RBOBEPP_API_GEN>-SBEWART = 1.
<RBOBEPP_API_GEN>-XBEWART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RBOBEPP_API_GEN-SGTXT, sy-vline,
  WA_RBOBEPP_API_GEN-BCWHR, sy-vline,
  WA_RBOBEPP_API_GEN-SCWHR, sy-vline,
  WA_RBOBEPP_API_GEN-BHWHR, sy-vline,
  WA_RBOBEPP_API_GEN-SHWHR, sy-vline,
  WA_RBOBEPP_API_GEN-KURS2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RBOBEPP_API_GEN 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_RBOBEPP_API_GEN 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_RBOBEPP_API_GEN INTO WA_RBOBEPP_API_GEN.


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

*Conversion exit EXCRT, internal->external for field KURS2
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_RBOBEPP_API_GEN-KURS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RBOBEPP_API_GEN-KURS2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field REBZJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RBOBEPP_API_GEN-REBZJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RBOBEPP_API_GEN-REBZJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REBZG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RBOBEPP_API_GEN-REBZG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RBOBEPP_API_GEN-REBZG.
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_RBOBEPP_API_GEN_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RANL TYPE STRING,
SBEWART TYPE STRING,
XBEWART TYPE STRING,
SGTXT TYPE STRING,
BCWHR TYPE STRING,
SCWHR TYPE STRING,
BHWHR TYPE STRING,
SHWHR TYPE STRING,
KURS2 TYPE STRING,
BBWHR TYPE STRING,
SBWHR TYPE STRING,
DFAELL TYPE STRING,
DVALUT TYPE STRING,
DDISPO TYPE STRING,
RPARTNR TYPE STRING,
NAME1 TYPE STRING,
BVTYP TYPE STRING,
ZLSCH TYPE STRING,
SZEGEN TYPE STRING,
MABER TYPE STRING,
MANSP TYPE STRING,
ZAHLS TYPE STRING,
ZUONR TYPE STRING,
SPLANIST TYPE STRING,
SGROUP TYPE STRING,
SZBMETH TYPE STRING,
DBERVON TYPE STRING,
SEXCLVON TYPE STRING,
SULTVON TYPE STRING,
DBERBIS TYPE STRING,
SINCLBIS TYPE STRING,
SULTBIS TYPE STRING,
ATAGE TYPE STRING,
SBUST TYPE STRING,
REMIT_INFO TYPE STRING,
MNDID TYPE STRING,
CREDITORID TYPE STRING,
JEINBEHALT TYPE STRING,
BBASIS TYPE STRING,
PKOND TYPE STRING,
JPROZR TYPE STRING,
WH_PLAN_FLOW TYPE STRING,
WH_OPEN_FLOW TYPE STRING,
REBZJ TYPE STRING,
REBZG TYPE STRING,
REBZZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RBOBEPP_API_GEN_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_RBOBEPP_API_GEN_STR-MANDT sy-vline 
WA_RBOBEPP_API_GEN_STR-BUKRS sy-vline 
WA_RBOBEPP_API_GEN_STR-RANL sy-vline 
WA_RBOBEPP_API_GEN_STR-SBEWART sy-vline 
WA_RBOBEPP_API_GEN_STR-XBEWART sy-vline 
WA_RBOBEPP_API_GEN_STR-SGTXT sy-vline 
WA_RBOBEPP_API_GEN_STR-BCWHR sy-vline 
WA_RBOBEPP_API_GEN_STR-SCWHR sy-vline 
WA_RBOBEPP_API_GEN_STR-BHWHR sy-vline 
WA_RBOBEPP_API_GEN_STR-SHWHR sy-vline 
WA_RBOBEPP_API_GEN_STR-KURS2 sy-vline 
WA_RBOBEPP_API_GEN_STR-BBWHR sy-vline 
WA_RBOBEPP_API_GEN_STR-SBWHR sy-vline 
WA_RBOBEPP_API_GEN_STR-DFAELL sy-vline 
WA_RBOBEPP_API_GEN_STR-DVALUT sy-vline 
WA_RBOBEPP_API_GEN_STR-DDISPO sy-vline 
WA_RBOBEPP_API_GEN_STR-RPARTNR sy-vline 
WA_RBOBEPP_API_GEN_STR-NAME1 sy-vline 
WA_RBOBEPP_API_GEN_STR-BVTYP sy-vline 
WA_RBOBEPP_API_GEN_STR-ZLSCH sy-vline 
WA_RBOBEPP_API_GEN_STR-SZEGEN sy-vline 
WA_RBOBEPP_API_GEN_STR-MABER sy-vline 
WA_RBOBEPP_API_GEN_STR-MANSP sy-vline 
WA_RBOBEPP_API_GEN_STR-ZAHLS sy-vline 
WA_RBOBEPP_API_GEN_STR-ZUONR sy-vline 
WA_RBOBEPP_API_GEN_STR-SPLANIST sy-vline 
WA_RBOBEPP_API_GEN_STR-SGROUP sy-vline 
WA_RBOBEPP_API_GEN_STR-SZBMETH sy-vline 
WA_RBOBEPP_API_GEN_STR-DBERVON sy-vline 
WA_RBOBEPP_API_GEN_STR-SEXCLVON sy-vline 
WA_RBOBEPP_API_GEN_STR-SULTVON sy-vline 
WA_RBOBEPP_API_GEN_STR-DBERBIS sy-vline 
WA_RBOBEPP_API_GEN_STR-SINCLBIS sy-vline 
WA_RBOBEPP_API_GEN_STR-SULTBIS sy-vline 
WA_RBOBEPP_API_GEN_STR-ATAGE sy-vline 
WA_RBOBEPP_API_GEN_STR-SBUST sy-vline 
WA_RBOBEPP_API_GEN_STR-REMIT_INFO sy-vline 
WA_RBOBEPP_API_GEN_STR-MNDID sy-vline 
WA_RBOBEPP_API_GEN_STR-CREDITORID sy-vline 
WA_RBOBEPP_API_GEN_STR-JEINBEHALT sy-vline 
WA_RBOBEPP_API_GEN_STR-BBASIS sy-vline 
WA_RBOBEPP_API_GEN_STR-PKOND sy-vline 
WA_RBOBEPP_API_GEN_STR-JPROZR sy-vline 
WA_RBOBEPP_API_GEN_STR-WH_PLAN_FLOW sy-vline 
WA_RBOBEPP_API_GEN_STR-WH_OPEN_FLOW sy-vline 
WA_RBOBEPP_API_GEN_STR-REBZJ sy-vline 
WA_RBOBEPP_API_GEN_STR-REBZG sy-vline 
WA_RBOBEPP_API_GEN_STR-REBZZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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