ABAP Select data from SAP table VVDBLBAW into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VVDBLBAW 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 VVDBLBAW. 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 VVDBLBAW 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_VVDBLBAW TYPE STANDARD TABLE OF VVDBLBAW,
      WA_VVDBLBAW TYPE VVDBLBAW,
      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: <VVDBLBAW> TYPE VVDBLBAW.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VVDBLBAW
*  INTO TABLE @DATA(IT_VVDBLBAW2).
*--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_VVDBLBAW INDEX 1 INTO DATA(WA_VVDBLBAW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VVDBLBAW>-MANDT = 1.
<VVDBLBAW>-RBLNR = 1.
<VVDBLBAW>-NGEBTEIL = 1.
<VVDBLBAW>-RERF = 1.
<VVDBLBAW>-DERF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VVDBLBAW-TERF, sy-vline,
  WA_VVDBLBAW-REHER, sy-vline,
  WA_VVDBLBAW-RBEAR, sy-vline,
  WA_VVDBLBAW-DBEAR, sy-vline,
  WA_VVDBLBAW-TBEAR, sy-vline,
  WA_VVDBLBAW-RBHER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VVDBLBAW 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_VVDBLBAW 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_VVDBLBAW INTO WA_VVDBLBAW.


*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 YBAUGT
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VVDBLBAW-YBAUGT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VVDBLBAW-YBAUGT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field SUFLAE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VVDBLBAW-SUFLAE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VVDBLBAW-SUFLAE.
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_VVDBLBAW_STR, 
MANDT TYPE STRING,
RBLNR TYPE STRING,
NGEBTEIL TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
PAFAGT TYPE STRING,
YBAUGT TYPE STRING,
SGTART TYPE STRING,
SUMASSE TYPE STRING,
MMASSE TYPE STRING,
SBELWHR TYPE STRING,
BNEUGT TYPE STRING,
BMASEH TYPE STRING,
BZWGT TYPE STRING,
SNUTZART TYPE STRING,
SOBJBAU TYPE STRING,
PMITEIG TYPE STRING,
XGEBLAGE TYPE STRING,
FNUTZ TYPE STRING,
SUFLAE TYPE STRING,
BFLAEEH TYPE STRING,
MBGF TYPE STRING,
BNHK TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VVDBLBAW_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_VVDBLBAW_STR-MANDT sy-vline 
WA_VVDBLBAW_STR-RBLNR sy-vline 
WA_VVDBLBAW_STR-NGEBTEIL sy-vline 
WA_VVDBLBAW_STR-RERF sy-vline 
WA_VVDBLBAW_STR-DERF sy-vline 
WA_VVDBLBAW_STR-TERF sy-vline 
WA_VVDBLBAW_STR-REHER sy-vline 
WA_VVDBLBAW_STR-RBEAR sy-vline 
WA_VVDBLBAW_STR-DBEAR sy-vline 
WA_VVDBLBAW_STR-TBEAR sy-vline 
WA_VVDBLBAW_STR-RBHER sy-vline 
WA_VVDBLBAW_STR-PAFAGT sy-vline 
WA_VVDBLBAW_STR-YBAUGT sy-vline 
WA_VVDBLBAW_STR-SGTART sy-vline 
WA_VVDBLBAW_STR-SUMASSE sy-vline 
WA_VVDBLBAW_STR-MMASSE sy-vline 
WA_VVDBLBAW_STR-SBELWHR sy-vline 
WA_VVDBLBAW_STR-BNEUGT sy-vline 
WA_VVDBLBAW_STR-BMASEH sy-vline 
WA_VVDBLBAW_STR-BZWGT sy-vline 
WA_VVDBLBAW_STR-SNUTZART sy-vline 
WA_VVDBLBAW_STR-SOBJBAU sy-vline 
WA_VVDBLBAW_STR-PMITEIG sy-vline 
WA_VVDBLBAW_STR-XGEBLAGE sy-vline 
WA_VVDBLBAW_STR-FNUTZ sy-vline 
WA_VVDBLBAW_STR-SUFLAE sy-vline 
WA_VVDBLBAW_STR-BFLAEEH sy-vline 
WA_VVDBLBAW_STR-MBGF sy-vline 
WA_VVDBLBAW_STR-BNHK sy-vline 
WA_VVDBLBAW_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.