ABAP Select data from SAP table BAPI_RE_EM_ADD_INT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_RE_EM_ADD_INT
*  INTO TABLE @DATA(IT_BAPI_RE_EM_ADD_INT2).
*--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_BAPI_RE_EM_ADD_INT INDEX 1 INTO DATA(WA_BAPI_RE_EM_ADD_INT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_RE_EM_ADD_INT>-OBJNR = 1.
<BAPI_RE_EM_ADD_INT>-OBJTYPE = 1.
<BAPI_RE_EM_ADD_INT>-OBJID = 1.
<BAPI_RE_EM_ADD_INT>-SECTYPE = 1.
<BAPI_RE_EM_ADD_INT>-SECNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_RE_EM_ADD_INT-SECSUBNO, sy-vline,
  WA_BAPI_RE_EM_ADD_INT-ENCADDTYPE, sy-vline,
  WA_BAPI_RE_EM_ADD_INT-ENTRYNO, sy-vline,
  WA_BAPI_RE_EM_ADD_INT-ENTRYDATE, sy-vline,
  WA_BAPI_RE_EM_ADD_INT-CANCELDATE, sy-vline,
  WA_BAPI_RE_EM_ADD_INT-LRREGNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_RE_EM_ADD_INT 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_BAPI_RE_EM_ADD_INT 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_BAPI_RE_EM_ADD_INT INTO WA_BAPI_RE_EM_ADD_INT.


*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 LRSEC, internal->external for field SECNO
CALL FUNCTION 'CONVERSION_EXIT_LRSEC_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_EM_ADD_INT-SECNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_EM_ADD_INT-SECNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field CANCELDATE
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_EM_ADD_INT-CANCELDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_EM_ADD_INT-CANCELDATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LRREG, internal->external for field LRREGNO
CALL FUNCTION 'CONVERSION_EXIT_LRREG_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_EM_ADD_INT-LRREGNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_EM_ADD_INT-LRREGNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LRPGN, internal->external for field LRPAGENO
CALL FUNCTION 'CONVERSION_EXIT_LRPGN_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_EM_ADD_INT-LRPAGENO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_EM_ADD_INT-LRPAGENO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LRSEC, internal->external for field SECNOADD
CALL FUNCTION 'CONVERSION_EXIT_LRSEC_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_EM_ADD_INT-SECNOADD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_EM_ADD_INT-SECNOADD.
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_BAPI_RE_EM_ADD_INT_STR, 
OBJNR TYPE STRING,
OBJTYPE TYPE STRING,
OBJID TYPE STRING,
SECTYPE TYPE STRING,
SECNO TYPE STRING,
SECSUBNO TYPE STRING,
ENCADDTYPE TYPE STRING,
ENTRYNO TYPE STRING,
ENTRYDATE TYPE STRING,
CANCELDATE TYPE STRING,
LRREGNO TYPE STRING,
LRREGSUBNO TYPE STRING,
PLEXTIDENTKEY TYPE STRING,
PLOBJNR TYPE STRING,
LRDISTRICT TYPE STRING,
LRVOLUMENO TYPE STRING,
LRPAGENO TYPE STRING,
SECTYPEADD TYPE STRING,
SECNOADD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_RE_EM_ADD_INT_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_BAPI_RE_EM_ADD_INT_STR-OBJNR sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-OBJTYPE sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-OBJID sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-SECTYPE sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-SECNO sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-SECSUBNO sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-ENCADDTYPE sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-ENTRYNO sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-ENTRYDATE sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-CANCELDATE sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-LRREGNO sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-LRREGSUBNO sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-PLEXTIDENTKEY sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-PLOBJNR sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-LRDISTRICT sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-LRVOLUMENO sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-LRPAGENO sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-SECTYPEADD sy-vline 
WA_BAPI_RE_EM_ADD_INT_STR-SECNOADD sy-vline      INTO ld_text SEPARATED BY SPACE.

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