ABAP Select data from SAP table FCOV_ABRBEL04A into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCOV_ABRBEL04A 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 FCOV_ABRBEL04A. 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 FCOV_ABRBEL04A 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_FCOV_ABRBEL04A TYPE STANDARD TABLE OF FCOV_ABRBEL04A,
      WA_FCOV_ABRBEL04A TYPE FCOV_ABRBEL04A,
      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: <FCOV_ABRBEL04A> TYPE FCOV_ABRBEL04A.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FCOV_ABRBEL04A.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FCOV_ABRBEL04A
  INTO TABLE IT_FCOV_ABRBEL04A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOV_ABRBEL04A
*  INTO TABLE @DATA(IT_FCOV_ABRBEL04A2).
*--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_FCOV_ABRBEL04A INDEX 1 INTO DATA(WA_FCOV_ABRBEL04A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FCOV_ABRBEL04A ASSIGNING <FCOV_ABRBEL04A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOV_ABRBEL04A>-MANDT = 1.
<FCOV_ABRBEL04A>-LEDNR = 1.
<FCOV_ABRBEL04A>-OBJNR = 1.
<FCOV_ABRBEL04A>-GJAHR = 1.
<FCOV_ABRBEL04A>-VERSN = 1.

ENDLOOP.

LOOP AT IT_FCOV_ABRBEL04A INTO WA_FCOV_ABRBEL04A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOV_ABRBEL04A-KSTAR, sy-vline,
  WA_FCOV_ABRBEL04A-HRKFT, sy-vline,
  WA_FCOV_ABRBEL04A-VRGNG, sy-vline,
  WA_FCOV_ABRBEL04A-PAROB, sy-vline,
  WA_FCOV_ABRBEL04A-USPOB, sy-vline,
  WA_FCOV_ABRBEL04A-VBUND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOV_ABRBEL04A 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_FCOV_ABRBEL04A 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_FCOV_ABRBEL04A INTO WA_FCOV_ABRBEL04A.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_ABRBEL04A-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_ABRBEL04A-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERSN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_ABRBEL04A-VERSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_ABRBEL04A-VERSN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_ABRBEL04A-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_ABRBEL04A-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_ABRBEL04A-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_ABRBEL04A-VBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_ABRBEL04A-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_ABRBEL04A-BEKNZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FCOV_ABRBEL04A-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOV_ABRBEL04A-MEINH.
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_FCOV_ABRBEL04A_STR, 
MANDT TYPE STRING,
LEDNR TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
VERSN TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
VRGNG TYPE STRING,
PAROB TYPE STRING,
USPOB TYPE STRING,
VBUND TYPE STRING,
PARGB TYPE STRING,
BEKNZ TYPE STRING,
TWAER TYPE STRING,
MEINH TYPE STRING,
BEMOT TYPE STRING,
BELTP TYPE STRING,
WTGBTR TYPE STRING,
WTGPER TYPE STRING,
WOGBTR TYPE STRING,
WOGPER TYPE STRING,
WKGBTR TYPE STRING,
WKGPER TYPE STRING,
WKFBTR TYPE STRING,
WKFPER TYPE STRING,
PAGBTR TYPE STRING,
PAGPER TYPE STRING,
PAFBTR TYPE STRING,
PAFPER TYPE STRING,
MEGBTR TYPE STRING,
MEGPER TYPE STRING,
MEFBTR TYPE STRING,
MEFPER TYPE STRING,
MUVBTR TYPE STRING,
MUVPER TYPE STRING,
WAGBTR TYPE STRING,
WAGPER TYPE STRING,
WVGBTR TYPE STRING,
WVGPER TYPE STRING,
WBGBTR TYPE STRING,
WBGPER TYPE STRING,
WCGBTR TYPE STRING,
WCGPER TYPE STRING,
WDGBTR TYPE STRING,
WDGPER TYPE STRING,
WEGBTR TYPE STRING,
WEGPER TYPE STRING,
WFGBTR TYPE STRING,
WFGPER TYPE STRING,
WGGBTR TYPE STRING,
WGGPER TYPE STRING,
WHGBTR TYPE STRING,
WHGPER TYPE STRING,
WSGBTR TYPE STRING,
WSGPER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOV_ABRBEL04A_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_FCOV_ABRBEL04A_STR-MANDT sy-vline 
WA_FCOV_ABRBEL04A_STR-LEDNR sy-vline 
WA_FCOV_ABRBEL04A_STR-OBJNR sy-vline 
WA_FCOV_ABRBEL04A_STR-GJAHR sy-vline 
WA_FCOV_ABRBEL04A_STR-VERSN sy-vline 
WA_FCOV_ABRBEL04A_STR-KSTAR sy-vline 
WA_FCOV_ABRBEL04A_STR-HRKFT sy-vline 
WA_FCOV_ABRBEL04A_STR-VRGNG sy-vline 
WA_FCOV_ABRBEL04A_STR-PAROB sy-vline 
WA_FCOV_ABRBEL04A_STR-USPOB sy-vline 
WA_FCOV_ABRBEL04A_STR-VBUND sy-vline 
WA_FCOV_ABRBEL04A_STR-PARGB sy-vline 
WA_FCOV_ABRBEL04A_STR-BEKNZ sy-vline 
WA_FCOV_ABRBEL04A_STR-TWAER sy-vline 
WA_FCOV_ABRBEL04A_STR-MEINH sy-vline 
WA_FCOV_ABRBEL04A_STR-BEMOT sy-vline 
WA_FCOV_ABRBEL04A_STR-BELTP sy-vline 
WA_FCOV_ABRBEL04A_STR-WTGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WTGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WOGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WOGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WKGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WKGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WKFBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WKFPER sy-vline 
WA_FCOV_ABRBEL04A_STR-PAGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-PAGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-PAFBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-PAFPER sy-vline 
WA_FCOV_ABRBEL04A_STR-MEGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-MEGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-MEFBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-MEFPER sy-vline 
WA_FCOV_ABRBEL04A_STR-MUVBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-MUVPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WAGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WAGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WVGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WVGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WBGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WBGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WCGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WCGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WDGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WDGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WEGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WEGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WFGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WFGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WGGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WGGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WHGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WHGPER sy-vline 
WA_FCOV_ABRBEL04A_STR-WSGBTR sy-vline 
WA_FCOV_ABRBEL04A_STR-WSGPER sy-vline      INTO ld_text SEPARATED BY SPACE.

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