ABAP Select data from SAP table DBERDL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DBERDL
*  INTO TABLE @DATA(IT_DBERDL2).
*--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_DBERDL INDEX 1 INTO DATA(WA_DBERDL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DBERDL>-MANDT = 1.
<DBERDL>-PRINTDOC = 1.
<DBERDL>-PRINTDOCLINE = 1.
<DBERDL>-REFDOCSOURCE = 1.
<DBERDL>-REFDOCSOURCEKEYA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DBERDL-REFDOCSOURCEKEYB, sy-vline,
  WA_DBERDL-BELZART, sy-vline,
  WA_DBERDL-BUKRS, sy-vline,
  WA_DBERDL-SPARTE, sy-vline,
  WA_DBERDL-KTOSL, sy-vline,
  WA_DBERDL-VERTRAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DBERDL 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_DBERDL 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_DBERDL INTO WA_DBERDL.


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

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

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

*Conversion exit ALPHA, internal->external for field CA_OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DBERDL-CA_OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DBERDL-CA_OPBEL.
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_DBERDL_STR, 
MANDT TYPE STRING,
PRINTDOC TYPE STRING,
PRINTDOCLINE TYPE STRING,
REFDOCSOURCE TYPE STRING,
REFDOCSOURCEKEYA TYPE STRING,
REFDOCSOURCEKEYB TYPE STRING,
BELZART TYPE STRING,
BUKRS TYPE STRING,
SPARTE TYPE STRING,
KTOSL TYPE STRING,
VERTRAG TYPE STRING,
BUCHREL TYPE STRING,
BRUTTOZEILE TYPE STRING,
SHKZG TYPE STRING,
APERIODIC TYPE STRING,
XTOTAL_AMNT TYPE STRING,
NETTOBTR TYPE STRING,
BETRW TYPE STRING,
AUGBW TYPE STRING,
SBASW TYPE STRING,
SBETW TYPE STRING,
SKTOW TYPE STRING,
TWAERS TYPE STRING,
MWSKZ TYPE STRING,
ERMWSKZ TYPE STRING,
STPRZ TYPE STRING,
TXJCD TYPE STRING,
TXDAT_KK TYPE STRING,
HVORG TYPE STRING,
TVORG TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
FAEDN TYPE STRING,
FAEDS TYPE STRING,
SKTPZ TYPE STRING,
ABPOPBEL TYPE STRING,
GSBER TYPE STRING,
CA_OPBEL TYPE STRING,
LINESORT TYPE STRING,
AB TYPE STRING,
BIS TYPE STRING,
TAXRATE_INTERNAL TYPE STRING,
STTAX TYPE STRING,
COLOGRP_BP_L TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DBERDL_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_DBERDL_STR-MANDT sy-vline 
WA_DBERDL_STR-PRINTDOC sy-vline 
WA_DBERDL_STR-PRINTDOCLINE sy-vline 
WA_DBERDL_STR-REFDOCSOURCE sy-vline 
WA_DBERDL_STR-REFDOCSOURCEKEYA sy-vline 
WA_DBERDL_STR-REFDOCSOURCEKEYB sy-vline 
WA_DBERDL_STR-BELZART sy-vline 
WA_DBERDL_STR-BUKRS sy-vline 
WA_DBERDL_STR-SPARTE sy-vline 
WA_DBERDL_STR-KTOSL sy-vline 
WA_DBERDL_STR-VERTRAG sy-vline 
WA_DBERDL_STR-BUCHREL sy-vline 
WA_DBERDL_STR-BRUTTOZEILE sy-vline 
WA_DBERDL_STR-SHKZG sy-vline 
WA_DBERDL_STR-APERIODIC sy-vline 
WA_DBERDL_STR-XTOTAL_AMNT sy-vline 
WA_DBERDL_STR-NETTOBTR sy-vline 
WA_DBERDL_STR-BETRW sy-vline 
WA_DBERDL_STR-AUGBW sy-vline 
WA_DBERDL_STR-SBASW sy-vline 
WA_DBERDL_STR-SBETW sy-vline 
WA_DBERDL_STR-SKTOW sy-vline 
WA_DBERDL_STR-TWAERS sy-vline 
WA_DBERDL_STR-MWSKZ sy-vline 
WA_DBERDL_STR-ERMWSKZ sy-vline 
WA_DBERDL_STR-STPRZ sy-vline 
WA_DBERDL_STR-TXJCD sy-vline 
WA_DBERDL_STR-TXDAT_KK sy-vline 
WA_DBERDL_STR-HVORG sy-vline 
WA_DBERDL_STR-TVORG sy-vline 
WA_DBERDL_STR-BLDAT sy-vline 
WA_DBERDL_STR-BUDAT sy-vline 
WA_DBERDL_STR-FAEDN sy-vline 
WA_DBERDL_STR-FAEDS sy-vline 
WA_DBERDL_STR-SKTPZ sy-vline 
WA_DBERDL_STR-ABPOPBEL sy-vline 
WA_DBERDL_STR-GSBER sy-vline 
WA_DBERDL_STR-CA_OPBEL sy-vline 
WA_DBERDL_STR-LINESORT sy-vline 
WA_DBERDL_STR-AB sy-vline 
WA_DBERDL_STR-BIS sy-vline 
WA_DBERDL_STR-TAXRATE_INTERNAL sy-vline 
WA_DBERDL_STR-STTAX sy-vline 
WA_DBERDL_STR-COLOGRP_BP_L sy-vline      INTO ld_text SEPARATED BY SPACE.

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