ABAP Select data from SAP table VBP021 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VBP021 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 VBP021. 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 VBP021 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_VBP021 TYPE STANDARD TABLE OF VBP021,
      WA_VBP021 TYPE VBP021,
      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: <VBP021> TYPE VBP021.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VBP021.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VBP021
  INTO TABLE IT_VBP021.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VBP021
*  INTO TABLE @DATA(IT_VBP0212).
*--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_VBP021 INDEX 1 INTO DATA(WA_VBP0212).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VBP021 ASSIGNING <VBP021>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VBP021>-MANDT = 1.
<VBP021>-PARTNR = 1.
<VBP021>-BUSINESS_Y = 1.
<VBP021>-BAL_SH_CUR = 1.
<VBP021>-GEN_MEET_D = 1.

ENDLOOP.

LOOP AT IT_VBP021 INTO WA_VBP021.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VBP021-BU_Y_BEGIN, sy-vline,
  WA_VBP021-BU_Y_END, sy-vline,
  WA_VBP021-ANNUAL_ACC, sy-vline,
  WA_VBP021-ANNU_ACC_D, sy-vline,
  WA_VBP021-CONS_FST_D, sy-vline,
  WA_VBP021-CAPI_STOCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VBP021 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_VBP021 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_VBP021 INTO WA_VBP021.


*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 PARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VBP021-PARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBP021-PARTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BUSINESS_Y
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VBP021-BUSINESS_Y
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VBP021-BUSINESS_Y.
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_VBP021_STR, 
MANDT TYPE STRING,
PARTNR TYPE STRING,
BUSINESS_Y TYPE STRING,
BAL_SH_CUR TYPE STRING,
GEN_MEET_D TYPE STRING,
BU_Y_BEGIN TYPE STRING,
BU_Y_END TYPE STRING,
ANNUAL_ACC TYPE STRING,
ANNU_ACC_D TYPE STRING,
CONS_FST_D TYPE STRING,
CAPI_STOCK TYPE STRING,
SHAR_STOCK TYPE STRING,
PRSH_STOCK TYPE STRING,
EQUITY TYPE STRING,
GROSS_AMNT TYPE STRING,
NET_AMOUNT TYPE STRING,
TURNOVER TYPE STRING,
NET_INCOME TYPE STRING,
DIV_DIS_AM TYPE STRING,
DEBTS_FACT TYPE STRING,
DIS_PROFIT TYPE STRING,
BAL_AMOUNT TYPE STRING,
STAFF_COUNT TYPE STRING,
CAP_RES TYPE STRING,
REV_RES_LEG TYPE STRING,
REV_RES_OWN_SHR TYPE STRING,
REV_RES_BY_LAWS TYPE STRING,
REV_RES_OTHERS TYPE STRING,
FORW_PROFIT_LOSS TYPE STRING,
LIABILIT_SECOND TYPE STRING,
RET_TOT_CAP_EMPL TYPE STRING,
REDUC_LONG_TERM TYPE STRING,
COEFF_FINANCE TYPE STRING,
EQUITY_CAPIT TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VBP021_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_VBP021_STR-MANDT sy-vline 
WA_VBP021_STR-PARTNR sy-vline 
WA_VBP021_STR-BUSINESS_Y sy-vline 
WA_VBP021_STR-BAL_SH_CUR sy-vline 
WA_VBP021_STR-GEN_MEET_D sy-vline 
WA_VBP021_STR-BU_Y_BEGIN sy-vline 
WA_VBP021_STR-BU_Y_END sy-vline 
WA_VBP021_STR-ANNUAL_ACC sy-vline 
WA_VBP021_STR-ANNU_ACC_D sy-vline 
WA_VBP021_STR-CONS_FST_D sy-vline 
WA_VBP021_STR-CAPI_STOCK sy-vline 
WA_VBP021_STR-SHAR_STOCK sy-vline 
WA_VBP021_STR-PRSH_STOCK sy-vline 
WA_VBP021_STR-EQUITY sy-vline 
WA_VBP021_STR-GROSS_AMNT sy-vline 
WA_VBP021_STR-NET_AMOUNT sy-vline 
WA_VBP021_STR-TURNOVER sy-vline 
WA_VBP021_STR-NET_INCOME sy-vline 
WA_VBP021_STR-DIV_DIS_AM sy-vline 
WA_VBP021_STR-DEBTS_FACT sy-vline 
WA_VBP021_STR-DIS_PROFIT sy-vline 
WA_VBP021_STR-BAL_AMOUNT sy-vline 
WA_VBP021_STR-STAFF_COUNT sy-vline 
WA_VBP021_STR-CAP_RES sy-vline 
WA_VBP021_STR-REV_RES_LEG sy-vline 
WA_VBP021_STR-REV_RES_OWN_SHR sy-vline 
WA_VBP021_STR-REV_RES_BY_LAWS sy-vline 
WA_VBP021_STR-REV_RES_OTHERS sy-vline 
WA_VBP021_STR-FORW_PROFIT_LOSS sy-vline 
WA_VBP021_STR-LIABILIT_SECOND sy-vline 
WA_VBP021_STR-RET_TOT_CAP_EMPL sy-vline 
WA_VBP021_STR-REDUC_LONG_TERM sy-vline 
WA_VBP021_STR-COEFF_FINANCE sy-vline 
WA_VBP021_STR-EQUITY_CAPIT sy-vline 
WA_VBP021_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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