ABAP Select data from SAP table BAPI_RE_PE_EMDOMPL_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_PE_EMDOMPL_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_PE_EMDOMPL_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_PE_EMDOMPL_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_PE_EMDOMPL_INT TYPE STANDARD TABLE OF BAPI_RE_PE_EMDOMPL_INT,
      WA_BAPI_RE_PE_EMDOMPL_INT TYPE BAPI_RE_PE_EMDOMPL_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_PE_EMDOMPL_INT> TYPE BAPI_RE_PE_EMDOMPL_INT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_RE_PE_EMDOMPL_INT
*  INTO TABLE @DATA(IT_BAPI_RE_PE_EMDOMPL_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_PE_EMDOMPL_INT INDEX 1 INTO DATA(WA_BAPI_RE_PE_EMDOMPL_INT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_RE_PE_EMDOMPL_INT>-OBJNR = 1.
<BAPI_RE_PE_EMDOMPL_INT>-OBJTYPE = 1.
<BAPI_RE_PE_EMDOMPL_INT>-OBJID = 1.
<BAPI_RE_PE_EMDOMPL_INT>-PEERNO = 1.
<BAPI_RE_PE_EMDOMPL_INT>-PEERSUBNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_RE_PE_EMDOMPL_INT-PEEROANO, sy-vline,
  WA_BAPI_RE_PE_EMDOMPL_INT-OBJNRTRG, sy-vline,
  WA_BAPI_RE_PE_EMDOMPL_INT-PLEXTIDENTKEY, sy-vline,
  WA_BAPI_RE_PE_EMDOMPL_INT-PEVALIDFROM, sy-vline,
  WA_BAPI_RE_PE_EMDOMPL_INT-PEVALIDTO, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_RE_PE_EMDOMPL_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_PE_EMDOMPL_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_PE_EMDOMPL_INT INTO WA_BAPI_RE_PE_EMDOMPL_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 REDAT, internal->external for field PEVALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_RE_PE_EMDOMPL_INT-PEVALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_RE_PE_EMDOMPL_INT-PEVALIDTO.
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_PE_EMDOMPL_INT_STR, 
OBJNR TYPE STRING,
OBJTYPE TYPE STRING,
OBJID TYPE STRING,
PEERNO TYPE STRING,
PEERSUBNO TYPE STRING,
PEEROANO TYPE STRING,
OBJNRTRG TYPE STRING,
PLEXTIDENTKEY TYPE STRING,
PEVALIDFROM TYPE STRING,
PEVALIDTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_RE_PE_EMDOMPL_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_PE_EMDOMPL_INT_STR-OBJNR sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-OBJTYPE sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-OBJID sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-PEERNO sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-PEERSUBNO sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-PEEROANO sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-OBJNRTRG sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-PLEXTIDENTKEY sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-PEVALIDFROM sy-vline 
WA_BAPI_RE_PE_EMDOMPL_INT_STR-PEVALIDTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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