ABAP Select data from SAP table VSKBEZ_CN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VSKBEZ_CN
*  INTO TABLE @DATA(IT_VSKBEZ_CN2).
*--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_VSKBEZ_CN INDEX 1 INTO DATA(WA_VSKBEZ_CN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VSKBEZ_CN>-MANDT = 1.
<VSKBEZ_CN>-VSNMR = 1.
<VSKBEZ_CN>-BEDID = 1.
<VSKBEZ_CN>-BEDZL = 1.
<VSKBEZ_CN>-CANUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VSKBEZ_CN-VGW01, sy-vline,
  WA_VSKBEZ_CN-VGE01, sy-vline,
  WA_VSKBEZ_CN-VGW02, sy-vline,
  WA_VSKBEZ_CN-VGE02, sy-vline,
  WA_VSKBEZ_CN-VGW03, sy-vline,
  WA_VSKBEZ_CN-VGE03, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VSKBEZ_CN 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_VSKBEZ_CN 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_VSKBEZ_CN INTO WA_VSKBEZ_CN.


*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 CUNIT, internal->external for field VGE01
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-VGE01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-VGE01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE02
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-VGE02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-VGE02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE03
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-VGE03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-VGE03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-VGE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-VGE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-VGE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-VGE05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE06
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-VGE06
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-VGE06.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field USE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-USE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-USE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field USE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-USE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-USE05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RSTZE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-RSTZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-RSTZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BEAZE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-BEAZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-BEAZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ARUZE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ARUZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ARUZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ARBEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ARBEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ARBEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIER
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ZEIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ZEIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PDAE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-PDAE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-PDAE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DAUNE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-DAUNE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-DAUNE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ILE01
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ILE01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ILE01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ILE02
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ILE02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ILE02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ILE03
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ILE03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ILE03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ILE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ILE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ILE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ILE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ILE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ILE05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ILE06
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VSKBEZ_CN-ILE06
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSKBEZ_CN-ILE06.
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_VSKBEZ_CN_STR, 
MANDT TYPE STRING,
VSNMR TYPE STRING,
BEDID TYPE STRING,
BEDZL TYPE STRING,
CANUM TYPE STRING,
VGW01 TYPE STRING,
VGE01 TYPE STRING,
VGW02 TYPE STRING,
VGE02 TYPE STRING,
VGW03 TYPE STRING,
VGE03 TYPE STRING,
VGW04 TYPE STRING,
VGE04 TYPE STRING,
VGW05 TYPE STRING,
VGE05 TYPE STRING,
VGW06 TYPE STRING,
VGE06 TYPE STRING,
USR04 TYPE STRING,
USE04 TYPE STRING,
USR05 TYPE STRING,
USE05 TYPE STRING,
LEK01 TYPE STRING,
LEK02 TYPE STRING,
LEK03 TYPE STRING,
LEK04 TYPE STRING,
LEK05 TYPE STRING,
LEK06 TYPE STRING,
RSTZE TYPE STRING,
BEAZE TYPE STRING,
ARUZE TYPE STRING,
ARBEI TYPE STRING,
ARBEH TYPE STRING,
LEKNW TYPE STRING,
ASVRG TYPE STRING,
UMREN TYPE STRING,
UMREZ TYPE STRING,
BMSCH TYPE STRING,
LMNGA TYPE STRING,
XMNGA TYPE STRING,
ISMNW TYPE STRING,
ISM01 TYPE STRING,
ISM02 TYPE STRING,
ISM03 TYPE STRING,
ISM04 TYPE STRING,
ISM05 TYPE STRING,
ISM06 TYPE STRING,
ISERH TYPE STRING,
ZEIER TYPE STRING,
ISDD TYPE STRING,
ISDZ TYPE STRING,
IERD TYPE STRING,
IERZ TYPE STRING,
ISBD TYPE STRING,
ISBZ TYPE STRING,
IEBD TYPE STRING,
IEBZ TYPE STRING,
ISAD TYPE STRING,
ISAZ TYPE STRING,
IEDD TYPE STRING,
IEDZ TYPE STRING,
PEDD TYPE STRING,
PEDZ TYPE STRING,
OFM01 TYPE STRING,
OFM02 TYPE STRING,
OFM03 TYPE STRING,
OFM04 TYPE STRING,
OFM05 TYPE STRING,
OFM06 TYPE STRING,
OFMNW TYPE STRING,
PDAU TYPE STRING,
PDAE TYPE STRING,
DAUNO TYPE STRING,
DAUNE TYPE STRING,
RMNGA TYPE STRING,
ILE01 TYPE STRING,
ILE02 TYPE STRING,
ILE03 TYPE STRING,
ILE04 TYPE STRING,
ILE05 TYPE STRING,
ILE06 TYPE STRING,
PER_EX TYPE STRING,
DELTA_ST TYPE STRING,
DELTA_EN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VSKBEZ_CN_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_VSKBEZ_CN_STR-MANDT sy-vline 
WA_VSKBEZ_CN_STR-VSNMR sy-vline 
WA_VSKBEZ_CN_STR-BEDID sy-vline 
WA_VSKBEZ_CN_STR-BEDZL sy-vline 
WA_VSKBEZ_CN_STR-CANUM sy-vline 
WA_VSKBEZ_CN_STR-VGW01 sy-vline 
WA_VSKBEZ_CN_STR-VGE01 sy-vline 
WA_VSKBEZ_CN_STR-VGW02 sy-vline 
WA_VSKBEZ_CN_STR-VGE02 sy-vline 
WA_VSKBEZ_CN_STR-VGW03 sy-vline 
WA_VSKBEZ_CN_STR-VGE03 sy-vline 
WA_VSKBEZ_CN_STR-VGW04 sy-vline 
WA_VSKBEZ_CN_STR-VGE04 sy-vline 
WA_VSKBEZ_CN_STR-VGW05 sy-vline 
WA_VSKBEZ_CN_STR-VGE05 sy-vline 
WA_VSKBEZ_CN_STR-VGW06 sy-vline 
WA_VSKBEZ_CN_STR-VGE06 sy-vline 
WA_VSKBEZ_CN_STR-USR04 sy-vline 
WA_VSKBEZ_CN_STR-USE04 sy-vline 
WA_VSKBEZ_CN_STR-USR05 sy-vline 
WA_VSKBEZ_CN_STR-USE05 sy-vline 
WA_VSKBEZ_CN_STR-LEK01 sy-vline 
WA_VSKBEZ_CN_STR-LEK02 sy-vline 
WA_VSKBEZ_CN_STR-LEK03 sy-vline 
WA_VSKBEZ_CN_STR-LEK04 sy-vline 
WA_VSKBEZ_CN_STR-LEK05 sy-vline 
WA_VSKBEZ_CN_STR-LEK06 sy-vline 
WA_VSKBEZ_CN_STR-RSTZE sy-vline 
WA_VSKBEZ_CN_STR-BEAZE sy-vline 
WA_VSKBEZ_CN_STR-ARUZE sy-vline 
WA_VSKBEZ_CN_STR-ARBEI sy-vline 
WA_VSKBEZ_CN_STR-ARBEH sy-vline 
WA_VSKBEZ_CN_STR-LEKNW sy-vline 
WA_VSKBEZ_CN_STR-ASVRG sy-vline 
WA_VSKBEZ_CN_STR-UMREN sy-vline 
WA_VSKBEZ_CN_STR-UMREZ sy-vline 
WA_VSKBEZ_CN_STR-BMSCH sy-vline 
WA_VSKBEZ_CN_STR-LMNGA sy-vline 
WA_VSKBEZ_CN_STR-XMNGA sy-vline 
WA_VSKBEZ_CN_STR-ISMNW sy-vline 
WA_VSKBEZ_CN_STR-ISM01 sy-vline 
WA_VSKBEZ_CN_STR-ISM02 sy-vline 
WA_VSKBEZ_CN_STR-ISM03 sy-vline 
WA_VSKBEZ_CN_STR-ISM04 sy-vline 
WA_VSKBEZ_CN_STR-ISM05 sy-vline 
WA_VSKBEZ_CN_STR-ISM06 sy-vline 
WA_VSKBEZ_CN_STR-ISERH sy-vline 
WA_VSKBEZ_CN_STR-ZEIER sy-vline 
WA_VSKBEZ_CN_STR-ISDD sy-vline 
WA_VSKBEZ_CN_STR-ISDZ sy-vline 
WA_VSKBEZ_CN_STR-IERD sy-vline 
WA_VSKBEZ_CN_STR-IERZ sy-vline 
WA_VSKBEZ_CN_STR-ISBD sy-vline 
WA_VSKBEZ_CN_STR-ISBZ sy-vline 
WA_VSKBEZ_CN_STR-IEBD sy-vline 
WA_VSKBEZ_CN_STR-IEBZ sy-vline 
WA_VSKBEZ_CN_STR-ISAD sy-vline 
WA_VSKBEZ_CN_STR-ISAZ sy-vline 
WA_VSKBEZ_CN_STR-IEDD sy-vline 
WA_VSKBEZ_CN_STR-IEDZ sy-vline 
WA_VSKBEZ_CN_STR-PEDD sy-vline 
WA_VSKBEZ_CN_STR-PEDZ sy-vline 
WA_VSKBEZ_CN_STR-OFM01 sy-vline 
WA_VSKBEZ_CN_STR-OFM02 sy-vline 
WA_VSKBEZ_CN_STR-OFM03 sy-vline 
WA_VSKBEZ_CN_STR-OFM04 sy-vline 
WA_VSKBEZ_CN_STR-OFM05 sy-vline 
WA_VSKBEZ_CN_STR-OFM06 sy-vline 
WA_VSKBEZ_CN_STR-OFMNW sy-vline 
WA_VSKBEZ_CN_STR-PDAU sy-vline 
WA_VSKBEZ_CN_STR-PDAE sy-vline 
WA_VSKBEZ_CN_STR-DAUNO sy-vline 
WA_VSKBEZ_CN_STR-DAUNE sy-vline 
WA_VSKBEZ_CN_STR-RMNGA sy-vline 
WA_VSKBEZ_CN_STR-ILE01 sy-vline 
WA_VSKBEZ_CN_STR-ILE02 sy-vline 
WA_VSKBEZ_CN_STR-ILE03 sy-vline 
WA_VSKBEZ_CN_STR-ILE04 sy-vline 
WA_VSKBEZ_CN_STR-ILE05 sy-vline 
WA_VSKBEZ_CN_STR-ILE06 sy-vline 
WA_VSKBEZ_CN_STR-PER_EX sy-vline 
WA_VSKBEZ_CN_STR-DELTA_ST sy-vline 
WA_VSKBEZ_CN_STR-DELTA_EN sy-vline      INTO ld_text SEPARATED BY SPACE.

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