ABAP Select data from SAP table RPCDEAE0L_PERNR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPCDEAE0L_PERNR 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 RPCDEAE0L_PERNR. 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 RPCDEAE0L_PERNR 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_RPCDEAE0L_PERNR TYPE STANDARD TABLE OF RPCDEAE0L_PERNR,
      WA_RPCDEAE0L_PERNR TYPE RPCDEAE0L_PERNR,
      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: <RPCDEAE0L_PERNR> TYPE RPCDEAE0L_PERNR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPCDEAE0L_PERNR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPCDEAE0L_PERNR
  INTO TABLE IT_RPCDEAE0L_PERNR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPCDEAE0L_PERNR
*  INTO TABLE @DATA(IT_RPCDEAE0L_PERNR2).
*--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_RPCDEAE0L_PERNR INDEX 1 INTO DATA(WA_RPCDEAE0L_PERNR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPCDEAE0L_PERNR ASSIGNING <RPCDEAE0L_PERNR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPCDEAE0L_PERNR>-PERNR = 1.
<RPCDEAE0L_PERNR>-BEGDA = 1.
<RPCDEAE0L_PERNR>-STEXT = 1.
<RPCDEAE0L_PERNR>-SEQNR = 1.
<RPCDEAE0L_PERNR>-ENAME = 1.

ENDLOOP.

LOOP AT IT_RPCDEAE0L_PERNR INTO WA_RPCDEAE0L_PERNR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPCDEAE0L_PERNR-RPCDEA_STATUS, sy-vline,
  WA_RPCDEAE0L_PERNR-PATIX, sy-vline,
  WA_RPCDEAE0L_PERNR-SSTAT_TXT, sy-vline,
  WA_RPCDEAE0L_PERNR-CSTAT_TXT, sy-vline,
  WA_RPCDEAE0L_PERNR-PA20_HOTSPOT, sy-vline,
  WA_RPCDEAE0L_PERNR-PA30_HOTSPOT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPCDEAE0L_PERNR 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_RPCDEAE0L_PERNR 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_RPCDEAE0L_PERNR INTO WA_RPCDEAE0L_PERNR.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RPCDEAE0L_PERNR-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPCDEAE0L_PERNR-KOSTL.
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_RPCDEAE0L_PERNR_STR, 
PERNR TYPE STRING,
BEGDA TYPE STRING,
STEXT TYPE STRING,
SEQNR TYPE STRING,
ENAME TYPE STRING,
RPCDEA_STATUS TYPE STRING,
PATIX TYPE STRING,
SSTAT_TXT TYPE STRING,
CSTAT_TXT TYPE STRING,
PA20_HOTSPOT TYPE STRING,
PA30_HOTSPOT TYPE STRING,
EMETH TYPE STRING,
EFILE TYPE STRING,
SSTAT TYPE STRING,
CSTAT TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
SUBTY TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
BTRTL TYPE STRING,
ABKRS TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
SACHA TYPE STRING,
SACHP TYPE STRING,
SBMOD TYPE STRING,
CLBK_PROG TYPE STRING,
CLBK_FORM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPCDEAE0L_PERNR_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_RPCDEAE0L_PERNR_STR-PERNR sy-vline 
WA_RPCDEAE0L_PERNR_STR-BEGDA sy-vline 
WA_RPCDEAE0L_PERNR_STR-STEXT sy-vline 
WA_RPCDEAE0L_PERNR_STR-SEQNR sy-vline 
WA_RPCDEAE0L_PERNR_STR-ENAME sy-vline 
WA_RPCDEAE0L_PERNR_STR-RPCDEA_STATUS sy-vline 
WA_RPCDEAE0L_PERNR_STR-PATIX sy-vline 
WA_RPCDEAE0L_PERNR_STR-SSTAT_TXT sy-vline 
WA_RPCDEAE0L_PERNR_STR-CSTAT_TXT sy-vline 
WA_RPCDEAE0L_PERNR_STR-PA20_HOTSPOT sy-vline 
WA_RPCDEAE0L_PERNR_STR-PA30_HOTSPOT sy-vline 
WA_RPCDEAE0L_PERNR_STR-EMETH sy-vline 
WA_RPCDEAE0L_PERNR_STR-EFILE sy-vline 
WA_RPCDEAE0L_PERNR_STR-SSTAT sy-vline 
WA_RPCDEAE0L_PERNR_STR-CSTAT sy-vline 
WA_RPCDEAE0L_PERNR_STR-AEDTM sy-vline 
WA_RPCDEAE0L_PERNR_STR-UNAME sy-vline 
WA_RPCDEAE0L_PERNR_STR-SUBTY sy-vline 
WA_RPCDEAE0L_PERNR_STR-BUKRS sy-vline 
WA_RPCDEAE0L_PERNR_STR-WERKS sy-vline 
WA_RPCDEAE0L_PERNR_STR-PERSG sy-vline 
WA_RPCDEAE0L_PERNR_STR-PERSK sy-vline 
WA_RPCDEAE0L_PERNR_STR-BTRTL sy-vline 
WA_RPCDEAE0L_PERNR_STR-ABKRS sy-vline 
WA_RPCDEAE0L_PERNR_STR-KOSTL sy-vline 
WA_RPCDEAE0L_PERNR_STR-KOKRS sy-vline 
WA_RPCDEAE0L_PERNR_STR-SACHA sy-vline 
WA_RPCDEAE0L_PERNR_STR-SACHP sy-vline 
WA_RPCDEAE0L_PERNR_STR-SBMOD sy-vline 
WA_RPCDEAE0L_PERNR_STR-CLBK_PROG sy-vline 
WA_RPCDEAE0L_PERNR_STR-CLBK_FORM sy-vline      INTO ld_text SEPARATED BY SPACE.

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