ABAP Select data from SAP table V_T399X_40 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T399X_40 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 V_T399X_40. 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 V_T399X_40 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_V_T399X_40 TYPE STANDARD TABLE OF V_T399X_40,
      WA_V_T399X_40 TYPE V_T399X_40,
      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: <V_T399X_40> TYPE V_T399X_40.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T399X_40.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T399X_40
  INTO TABLE IT_V_T399X_40.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T399X_40
*  INTO TABLE @DATA(IT_V_T399X_402).
*--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_V_T399X_40 INDEX 1 INTO DATA(WA_V_T399X_402).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T399X_40 ASSIGNING <V_T399X_40>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T399X_40>-MANDT = 1.
<V_T399X_40>-WERKS = 1.
<V_T399X_40>-AUART = 1.
<V_T399X_40>-TXT = 1.
<V_T399X_40>-NAME1 = 1.

ENDLOOP.

LOOP AT IT_V_T399X_40 INTO WA_V_T399X_40.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T399X_40-PLNTY, sy-vline,
  WA_V_T399X_40-TXT1, sy-vline,
  WA_V_T399X_40-PRF_GROUPE, sy-vline,
  WA_V_T399X_40-PRF_NAME, sy-vline,
  WA_V_T399X_40-PRF_INDEX, sy-vline,
  WA_V_T399X_40-PRF_GRTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T399X_40 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_V_T399X_40 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_V_T399X_40 INTO WA_V_T399X_40.


*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 DFREG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_T399X_40-DFREG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T399X_40-DFREG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR_DEL
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_V_T399X_40-VORNR_DEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_T399X_40-VORNR_DEL.
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_V_T399X_40_STR, 
MANDT TYPE STRING,
WERKS TYPE STRING,
AUART TYPE STRING,
TXT TYPE STRING,
NAME1 TYPE STRING,
PLNTY TYPE STRING,
TXT1 TYPE STRING,
PRF_GROUPE TYPE STRING,
PRF_NAME TYPE STRING,
PRF_INDEX TYPE STRING,
PRF_GRTEXT TYPE STRING,
DFREG TYPE STRING,
ARBPA TYPE STRING,
DTEXT TYPE STRING,
CAPID TYPE STRING,
KTEXT TYPE STRING,
CPSLID TYPE STRING,
KLVARP TYPE STRING,
KLVARI TYPE STRING,
DPROBO TYPE STRING,
DPROBC TYPE STRING,
AWSLS TYPE STRING,
ABGSL TYPE STRING,
ALTSEQ TYPE STRING,
VORNR_DEL TYPE STRING,
FLG_ERF_H TYPE STRING,
RSTRA TYPE STRING,
STATISTIK TYPE STRING,
AUTYP TYPE STRING,
EBR_ERF TYPE STRING,
OBJNR_VORG TYPE STRING,
FLG_DOC TYPE STRING,
FLG_STAT TYPE STRING,
SEQ_CHANGE TYPE STRING,
CHGKZ_HEAD TYPE STRING,
CHGKZ_OPR TYPE STRING,
CHGKZ_CMP TYPE STRING,
CHGKZ_PRT TYPE STRING,
PLTRM TYPE STRING,
AOB_KEY TYPE STRING,
PROFIDGRAF TYPE STRING,
AOB_DARST TYPE STRING,
VRG_DARST TYPE STRING,
PHS_DARST TYPE STRING,
E_DISPO TYPE STRING,
E_FEVOR TYPE STRING,
NAUCOST TYPE STRING,
STRAT TYPE STRING,
CHSCH TYPE STRING,
MC_VHEAD TYPE STRING,
MC_VITEM TYPE STRING,
MC_VOPER TYPE STRING,
CO_STAUF TYPE STRING,
PRUEB TYPE STRING,
ALT_PLANW TYPE STRING,
WF_MAT_CHG TYPE STRING,
PDC_ACTIVE TYPE STRING,
NO_DISP TYPE STRING,
PROF_GR TYPE STRING,
PRUEFART TYPE STRING,
PRUEFATXT TYPE STRING,
ORD_BANF TYPE STRING,
MBWEB TYPE STRING,
MBWEF TYPE STRING,
MBWAP TYPE STRING,
MBWAU TYPE STRING,
NOPCOST TYPE STRING,
FLG_SCRAP TYPE STRING,
VAL_REC TYPE STRING,
KZCHP TYPE STRING,
CHP_DAUER TYPE STRING,
CHP_ERF TYPE STRING,
PVSEL TYPE STRING,
PKOSA TYPE STRING,
FTLPROF TYPE STRING,
FTLPROFNET TYPE STRING,
DWBPROF TYPE STRING,
DWBPROFTXT TYPE STRING,
KZFORT TYPE STRING,
PROFIDTXT TYPE STRING,
ROUT_TEXT TYPE STRING,
MBWEW TYPE STRING,
WIPBATCH_GM TYPE STRING,
FLG_READ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T399X_40_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_V_T399X_40_STR-MANDT sy-vline 
WA_V_T399X_40_STR-WERKS sy-vline 
WA_V_T399X_40_STR-AUART sy-vline 
WA_V_T399X_40_STR-TXT sy-vline 
WA_V_T399X_40_STR-NAME1 sy-vline 
WA_V_T399X_40_STR-PLNTY sy-vline 
WA_V_T399X_40_STR-TXT1 sy-vline 
WA_V_T399X_40_STR-PRF_GROUPE sy-vline 
WA_V_T399X_40_STR-PRF_NAME sy-vline 
WA_V_T399X_40_STR-PRF_INDEX sy-vline 
WA_V_T399X_40_STR-PRF_GRTEXT sy-vline 
WA_V_T399X_40_STR-DFREG sy-vline 
WA_V_T399X_40_STR-ARBPA sy-vline 
WA_V_T399X_40_STR-DTEXT sy-vline 
WA_V_T399X_40_STR-CAPID sy-vline 
WA_V_T399X_40_STR-KTEXT sy-vline 
WA_V_T399X_40_STR-CPSLID sy-vline 
WA_V_T399X_40_STR-KLVARP sy-vline 
WA_V_T399X_40_STR-KLVARI sy-vline 
WA_V_T399X_40_STR-DPROBO sy-vline 
WA_V_T399X_40_STR-DPROBC sy-vline 
WA_V_T399X_40_STR-AWSLS sy-vline 
WA_V_T399X_40_STR-ABGSL sy-vline 
WA_V_T399X_40_STR-ALTSEQ sy-vline 
WA_V_T399X_40_STR-VORNR_DEL sy-vline 
WA_V_T399X_40_STR-FLG_ERF_H sy-vline 
WA_V_T399X_40_STR-RSTRA sy-vline 
WA_V_T399X_40_STR-STATISTIK sy-vline 
WA_V_T399X_40_STR-AUTYP sy-vline 
WA_V_T399X_40_STR-EBR_ERF sy-vline 
WA_V_T399X_40_STR-OBJNR_VORG sy-vline 
WA_V_T399X_40_STR-FLG_DOC sy-vline 
WA_V_T399X_40_STR-FLG_STAT sy-vline 
WA_V_T399X_40_STR-SEQ_CHANGE sy-vline 
WA_V_T399X_40_STR-CHGKZ_HEAD sy-vline 
WA_V_T399X_40_STR-CHGKZ_OPR sy-vline 
WA_V_T399X_40_STR-CHGKZ_CMP sy-vline 
WA_V_T399X_40_STR-CHGKZ_PRT sy-vline 
WA_V_T399X_40_STR-PLTRM sy-vline 
WA_V_T399X_40_STR-AOB_KEY sy-vline 
WA_V_T399X_40_STR-PROFIDGRAF sy-vline 
WA_V_T399X_40_STR-AOB_DARST sy-vline 
WA_V_T399X_40_STR-VRG_DARST sy-vline 
WA_V_T399X_40_STR-PHS_DARST sy-vline 
WA_V_T399X_40_STR-E_DISPO sy-vline 
WA_V_T399X_40_STR-E_FEVOR sy-vline 
WA_V_T399X_40_STR-NAUCOST sy-vline 
WA_V_T399X_40_STR-STRAT sy-vline 
WA_V_T399X_40_STR-CHSCH sy-vline 
WA_V_T399X_40_STR-MC_VHEAD sy-vline 
WA_V_T399X_40_STR-MC_VITEM sy-vline 
WA_V_T399X_40_STR-MC_VOPER sy-vline 
WA_V_T399X_40_STR-CO_STAUF sy-vline 
WA_V_T399X_40_STR-PRUEB sy-vline 
WA_V_T399X_40_STR-ALT_PLANW sy-vline 
WA_V_T399X_40_STR-WF_MAT_CHG sy-vline 
WA_V_T399X_40_STR-PDC_ACTIVE sy-vline 
WA_V_T399X_40_STR-NO_DISP sy-vline 
WA_V_T399X_40_STR-PROF_GR sy-vline 
WA_V_T399X_40_STR-PRUEFART sy-vline 
WA_V_T399X_40_STR-PRUEFATXT sy-vline 
WA_V_T399X_40_STR-ORD_BANF sy-vline 
WA_V_T399X_40_STR-MBWEB sy-vline 
WA_V_T399X_40_STR-MBWEF sy-vline 
WA_V_T399X_40_STR-MBWAP sy-vline 
WA_V_T399X_40_STR-MBWAU sy-vline 
WA_V_T399X_40_STR-NOPCOST sy-vline 
WA_V_T399X_40_STR-FLG_SCRAP sy-vline 
WA_V_T399X_40_STR-VAL_REC sy-vline 
WA_V_T399X_40_STR-KZCHP sy-vline 
WA_V_T399X_40_STR-CHP_DAUER sy-vline 
WA_V_T399X_40_STR-CHP_ERF sy-vline 
WA_V_T399X_40_STR-PVSEL sy-vline 
WA_V_T399X_40_STR-PKOSA sy-vline 
WA_V_T399X_40_STR-FTLPROF sy-vline 
WA_V_T399X_40_STR-FTLPROFNET sy-vline 
WA_V_T399X_40_STR-DWBPROF sy-vline 
WA_V_T399X_40_STR-DWBPROFTXT sy-vline 
WA_V_T399X_40_STR-KZFORT sy-vline 
WA_V_T399X_40_STR-PROFIDTXT sy-vline 
WA_V_T399X_40_STR-ROUT_TEXT sy-vline 
WA_V_T399X_40_STR-MBWEW sy-vline 
WA_V_T399X_40_STR-WIPBATCH_GM sy-vline 
WA_V_T399X_40_STR-FLG_READ sy-vline      INTO ld_text SEPARATED BY SPACE.

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