ABAP Select data from SAP table BVBAKKOMX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BVBAKKOMX
*  INTO TABLE @DATA(IT_BVBAKKOMX2).
*--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_BVBAKKOMX INDEX 1 INTO DATA(WA_BVBAKKOMX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BVBAKKOMX>-TBNAM = 1.
<BVBAKKOMX>-OLDNR = 1.
<BVBAKKOMX>-VBELN = 1.
<BVBAKKOMX>-SUBMI = 1.
<BVBAKKOMX>-SPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BVBAKKOMX-VKGRP, sy-vline,
  WA_BVBAKKOMX-VKBUR, sy-vline,
  WA_BVBAKKOMX-VDATU, sy-vline,
  WA_BVBAKKOMX-VPRGR, sy-vline,
  WA_BVBAKKOMX-BSTNK, sy-vline,
  WA_BVBAKKOMX-BSARK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BVBAKKOMX 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_BVBAKKOMX 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_BVBAKKOMX INTO WA_BVBAKKOMX.


*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 VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BVBAKKOMX-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BVBAKKOMX-VBELN.
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_BVBAKKOMX_STR, 
TBNAM TYPE STRING,
OLDNR TYPE STRING,
VBELN TYPE STRING,
SUBMI TYPE STRING,
SPART TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
VDATU TYPE STRING,
VPRGR TYPE STRING,
BSTNK TYPE STRING,
BSARK TYPE STRING,
BSTDK TYPE STRING,
BSTZD TYPE STRING,
IHREZ TYPE STRING,
BNAME TYPE STRING,
TELF1 TYPE STRING,
KONDA TYPE STRING,
KDGRP TYPE STRING,
BZIRK TYPE STRING,
PLTYP TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
ZTERM TYPE STRING,
LIFSK TYPE STRING,
FAKSK TYPE STRING,
AUGRU TYPE STRING,
ANGDT TYPE STRING,
BNDDT TYPE STRING,
GUEBG TYPE STRING,
GUEEN TYPE STRING,
PRSDT TYPE STRING,
KTEXT TYPE STRING,
KSCHL1 TYPE STRING,
KBETR1C TYPE STRING,
KPEIN1 TYPE STRING,
KMEIN1 TYPE STRING,
KSCHL2 TYPE STRING,
KBETR2C TYPE STRING,
KPEIN2 TYPE STRING,
KMEIN2 TYPE STRING,
KSCHL3 TYPE STRING,
KBETR3C TYPE STRING,
KPEIN3 TYPE STRING,
KMEIN3 TYPE STRING,
KSCHL4 TYPE STRING,
KBETR4C TYPE STRING,
KPEIN4 TYPE STRING,
KMEIN4 TYPE STRING,
VLAUFZ TYPE STRING,
VLAUEZ TYPE STRING,
VLAUFK TYPE STRING,
VINSDAT TYPE STRING,
VABNDAT TYPE STRING,
VBEGDAT TYPE STRING,
VUNTDAT TYPE STRING,
VKUESCH TYPE STRING,
VAKTSCH TYPE STRING,
VEINDAT TYPE STRING,
VWUNDAT TYPE STRING,
VKUEPAR TYPE STRING,
VKUEGRU TYPE STRING,
VENDDAT TYPE STRING,
VBELKUE TYPE STRING,
VBEDKUE TYPE STRING,
VBEGREG TYPE STRING,
VVORZEIT TYPE STRING,
VVOREIN TYPE STRING,
VDEMDAT TYPE STRING,
VENDREG TYPE STRING,
VASDA TYPE STRING,
VASDR TYPE STRING,
DUMMY_VEDA TYPE STRING,
DUMMY TYPE STRING,
/DMBE/DEALNUMBER TYPE STRING,
/DMBE/EVGIDRENEWAL TYPE STRING,
/DMBE/EVGIDCANCEL TYPE STRING,
WAERK TYPE STRING,
KURSK TYPE STRING,
KVGR1 TYPE STRING,
KVGR2 TYPE STRING,
KVGR3 TYPE STRING,
KVGR4 TYPE STRING,
KVGR5 TYPE STRING,
AUTLF TYPE STRING,
ABRVW TYPE STRING,
ABDIS TYPE STRING,
VSBED TYPE STRING,
BSTKD TYPE STRING,
BSTKD_E TYPE STRING,
BSTDK_E TYPE STRING,
BSARK_E TYPE STRING,
IHREZ_E TYPE STRING,
ABTNR TYPE STRING,
EMPST TYPE STRING,
KDKG1 TYPE STRING,
KDKG2 TYPE STRING,
KDKG3 TYPE STRING,
KDKG4 TYPE STRING,
KDKG5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BVBAKKOMX_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_BVBAKKOMX_STR-TBNAM sy-vline 
WA_BVBAKKOMX_STR-OLDNR sy-vline 
WA_BVBAKKOMX_STR-VBELN sy-vline 
WA_BVBAKKOMX_STR-SUBMI sy-vline 
WA_BVBAKKOMX_STR-SPART sy-vline 
WA_BVBAKKOMX_STR-VKGRP sy-vline 
WA_BVBAKKOMX_STR-VKBUR sy-vline 
WA_BVBAKKOMX_STR-VDATU sy-vline 
WA_BVBAKKOMX_STR-VPRGR sy-vline 
WA_BVBAKKOMX_STR-BSTNK sy-vline 
WA_BVBAKKOMX_STR-BSARK sy-vline 
WA_BVBAKKOMX_STR-BSTDK sy-vline 
WA_BVBAKKOMX_STR-BSTZD sy-vline 
WA_BVBAKKOMX_STR-IHREZ sy-vline 
WA_BVBAKKOMX_STR-BNAME sy-vline 
WA_BVBAKKOMX_STR-TELF1 sy-vline 
WA_BVBAKKOMX_STR-KONDA sy-vline 
WA_BVBAKKOMX_STR-KDGRP sy-vline 
WA_BVBAKKOMX_STR-BZIRK sy-vline 
WA_BVBAKKOMX_STR-PLTYP sy-vline 
WA_BVBAKKOMX_STR-INCO1 sy-vline 
WA_BVBAKKOMX_STR-INCO2 sy-vline 
WA_BVBAKKOMX_STR-ZTERM sy-vline 
WA_BVBAKKOMX_STR-LIFSK sy-vline 
WA_BVBAKKOMX_STR-FAKSK sy-vline 
WA_BVBAKKOMX_STR-AUGRU sy-vline 
WA_BVBAKKOMX_STR-ANGDT sy-vline 
WA_BVBAKKOMX_STR-BNDDT sy-vline 
WA_BVBAKKOMX_STR-GUEBG sy-vline 
WA_BVBAKKOMX_STR-GUEEN sy-vline 
WA_BVBAKKOMX_STR-PRSDT sy-vline 
WA_BVBAKKOMX_STR-KTEXT sy-vline 
WA_BVBAKKOMX_STR-KSCHL1 sy-vline 
WA_BVBAKKOMX_STR-KBETR1C sy-vline 
WA_BVBAKKOMX_STR-KPEIN1 sy-vline 
WA_BVBAKKOMX_STR-KMEIN1 sy-vline 
WA_BVBAKKOMX_STR-KSCHL2 sy-vline 
WA_BVBAKKOMX_STR-KBETR2C sy-vline 
WA_BVBAKKOMX_STR-KPEIN2 sy-vline 
WA_BVBAKKOMX_STR-KMEIN2 sy-vline 
WA_BVBAKKOMX_STR-KSCHL3 sy-vline 
WA_BVBAKKOMX_STR-KBETR3C sy-vline 
WA_BVBAKKOMX_STR-KPEIN3 sy-vline 
WA_BVBAKKOMX_STR-KMEIN3 sy-vline 
WA_BVBAKKOMX_STR-KSCHL4 sy-vline 
WA_BVBAKKOMX_STR-KBETR4C sy-vline 
WA_BVBAKKOMX_STR-KPEIN4 sy-vline 
WA_BVBAKKOMX_STR-KMEIN4 sy-vline 
WA_BVBAKKOMX_STR-VLAUFZ sy-vline 
WA_BVBAKKOMX_STR-VLAUEZ sy-vline 
WA_BVBAKKOMX_STR-VLAUFK sy-vline 
WA_BVBAKKOMX_STR-VINSDAT sy-vline 
WA_BVBAKKOMX_STR-VABNDAT sy-vline 
WA_BVBAKKOMX_STR-VBEGDAT sy-vline 
WA_BVBAKKOMX_STR-VUNTDAT sy-vline 
WA_BVBAKKOMX_STR-VKUESCH sy-vline 
WA_BVBAKKOMX_STR-VAKTSCH sy-vline 
WA_BVBAKKOMX_STR-VEINDAT sy-vline 
WA_BVBAKKOMX_STR-VWUNDAT sy-vline 
WA_BVBAKKOMX_STR-VKUEPAR sy-vline 
WA_BVBAKKOMX_STR-VKUEGRU sy-vline 
WA_BVBAKKOMX_STR-VENDDAT sy-vline 
WA_BVBAKKOMX_STR-VBELKUE sy-vline 
WA_BVBAKKOMX_STR-VBEDKUE sy-vline 
WA_BVBAKKOMX_STR-VBEGREG sy-vline 
WA_BVBAKKOMX_STR-VVORZEIT sy-vline 
WA_BVBAKKOMX_STR-VVOREIN sy-vline 
WA_BVBAKKOMX_STR-VDEMDAT sy-vline 
WA_BVBAKKOMX_STR-VENDREG sy-vline 
WA_BVBAKKOMX_STR-VASDA sy-vline 
WA_BVBAKKOMX_STR-VASDR sy-vline 
WA_BVBAKKOMX_STR-DUMMY_VEDA sy-vline 
WA_BVBAKKOMX_STR-DUMMY sy-vline 
WA_BVBAKKOMX_STR-/DMBE/DEALNUMBER sy-vline 
WA_BVBAKKOMX_STR-/DMBE/EVGIDRENEWAL sy-vline 
WA_BVBAKKOMX_STR-/DMBE/EVGIDCANCEL sy-vline 
WA_BVBAKKOMX_STR-WAERK sy-vline 
WA_BVBAKKOMX_STR-KURSK sy-vline 
WA_BVBAKKOMX_STR-KVGR1 sy-vline 
WA_BVBAKKOMX_STR-KVGR2 sy-vline 
WA_BVBAKKOMX_STR-KVGR3 sy-vline 
WA_BVBAKKOMX_STR-KVGR4 sy-vline 
WA_BVBAKKOMX_STR-KVGR5 sy-vline 
WA_BVBAKKOMX_STR-AUTLF sy-vline 
WA_BVBAKKOMX_STR-ABRVW sy-vline 
WA_BVBAKKOMX_STR-ABDIS sy-vline 
WA_BVBAKKOMX_STR-VSBED sy-vline 
WA_BVBAKKOMX_STR-BSTKD sy-vline 
WA_BVBAKKOMX_STR-BSTKD_E sy-vline 
WA_BVBAKKOMX_STR-BSTDK_E sy-vline 
WA_BVBAKKOMX_STR-BSARK_E sy-vline 
WA_BVBAKKOMX_STR-IHREZ_E sy-vline 
WA_BVBAKKOMX_STR-ABTNR sy-vline 
WA_BVBAKKOMX_STR-EMPST sy-vline 
WA_BVBAKKOMX_STR-KDKG1 sy-vline 
WA_BVBAKKOMX_STR-KDKG2 sy-vline 
WA_BVBAKKOMX_STR-KDKG3 sy-vline 
WA_BVBAKKOMX_STR-KDKG4 sy-vline 
WA_BVBAKKOMX_STR-KDKG5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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