ABAP Select data from SAP table VV_554S_M_KZ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VV_554S_M_KZ 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 VV_554S_M_KZ. 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 VV_554S_M_KZ 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_VV_554S_M_KZ TYPE STANDARD TABLE OF VV_554S_M_KZ,
      WA_VV_554S_M_KZ TYPE VV_554S_M_KZ,
      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: <VV_554S_M_KZ> TYPE VV_554S_M_KZ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VV_554S_M_KZ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VV_554S_M_KZ
  INTO TABLE IT_VV_554S_M_KZ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VV_554S_M_KZ
*  INTO TABLE @DATA(IT_VV_554S_M_KZ2).
*--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_VV_554S_M_KZ INDEX 1 INTO DATA(WA_VV_554S_M_KZ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VV_554S_M_KZ ASSIGNING <VV_554S_M_KZ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VV_554S_M_KZ>-MANDT = 1.
<VV_554S_M_KZ>-MOABW = 1.
<VV_554S_M_KZ>-SUBTY = 1.
<VV_554S_M_KZ>-ENDDA = 1.
<VV_554S_M_KZ>-BEGDA = 1.

ENDLOOP.

LOOP AT IT_VV_554S_M_KZ INTO WA_VV_554S_M_KZ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VV_554S_M_KZ-D2OBL, sy-vline,
  WA_VV_554S_M_KZ-REABF, sy-vline,
  WA_VV_554S_M_KZ-REAEF, sy-vline,
  WA_VV_554S_M_KZ-REAZF, sy-vline,
  WA_VV_554S_M_KZ-MINTG, sy-vline,
  WA_VV_554S_M_KZ-MAXTG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VV_554S_M_KZ 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_VV_554S_M_KZ 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_VV_554S_M_KZ INTO WA_VV_554S_M_KZ.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_VV_554S_M_KZ_STR, 
MANDT TYPE STRING,
MOABW TYPE STRING,
SUBTY TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
D2OBL TYPE STRING,
REABF TYPE STRING,
REAEF TYPE STRING,
REAZF TYPE STRING,
MINTG TYPE STRING,
MAXTG TYPE STRING,
KLZBI TYPE STRING,
KLBEW TYPE STRING,
ABSTP TYPE STRING,
ABKLA TYPE STRING,
DYNNR TYPE STRING,
KTART TYPE STRING,
RGMOD TYPE STRING,
KLBDE TYPE STRING,
ERGAB TYPE STRING,
PCOPT TYPE STRING,
STKRV TYPE STRING,
STUND TYPE STRING,
ART01 TYPE STRING,
URMAN TYPE STRING,
ABWRG TYPE STRING,
ABSTY TYPE STRING,
ABKND TYPE STRING,
CLTIM TYPE STRING,
MUNIT TYPE STRING,
CRULE TYPE STRING,
DEDQU TYPE STRING,
AVAIL TYPE STRING,
ENDCK TYPE STRING,
LVCUT TYPE STRING,
LVMIN TYPE STRING,
LVMAX TYPE STRING,
ACCNT TYPE STRING,
ATEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VV_554S_M_KZ_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_VV_554S_M_KZ_STR-MANDT sy-vline 
WA_VV_554S_M_KZ_STR-MOABW sy-vline 
WA_VV_554S_M_KZ_STR-SUBTY sy-vline 
WA_VV_554S_M_KZ_STR-ENDDA sy-vline 
WA_VV_554S_M_KZ_STR-BEGDA sy-vline 
WA_VV_554S_M_KZ_STR-D2OBL sy-vline 
WA_VV_554S_M_KZ_STR-REABF sy-vline 
WA_VV_554S_M_KZ_STR-REAEF sy-vline 
WA_VV_554S_M_KZ_STR-REAZF sy-vline 
WA_VV_554S_M_KZ_STR-MINTG sy-vline 
WA_VV_554S_M_KZ_STR-MAXTG sy-vline 
WA_VV_554S_M_KZ_STR-KLZBI sy-vline 
WA_VV_554S_M_KZ_STR-KLBEW sy-vline 
WA_VV_554S_M_KZ_STR-ABSTP sy-vline 
WA_VV_554S_M_KZ_STR-ABKLA sy-vline 
WA_VV_554S_M_KZ_STR-DYNNR sy-vline 
WA_VV_554S_M_KZ_STR-KTART sy-vline 
WA_VV_554S_M_KZ_STR-RGMOD sy-vline 
WA_VV_554S_M_KZ_STR-KLBDE sy-vline 
WA_VV_554S_M_KZ_STR-ERGAB sy-vline 
WA_VV_554S_M_KZ_STR-PCOPT sy-vline 
WA_VV_554S_M_KZ_STR-STKRV sy-vline 
WA_VV_554S_M_KZ_STR-STUND sy-vline 
WA_VV_554S_M_KZ_STR-ART01 sy-vline 
WA_VV_554S_M_KZ_STR-URMAN sy-vline 
WA_VV_554S_M_KZ_STR-ABWRG sy-vline 
WA_VV_554S_M_KZ_STR-ABSTY sy-vline 
WA_VV_554S_M_KZ_STR-ABKND sy-vline 
WA_VV_554S_M_KZ_STR-CLTIM sy-vline 
WA_VV_554S_M_KZ_STR-MUNIT sy-vline 
WA_VV_554S_M_KZ_STR-CRULE sy-vline 
WA_VV_554S_M_KZ_STR-DEDQU sy-vline 
WA_VV_554S_M_KZ_STR-AVAIL sy-vline 
WA_VV_554S_M_KZ_STR-ENDCK sy-vline 
WA_VV_554S_M_KZ_STR-LVCUT sy-vline 
WA_VV_554S_M_KZ_STR-LVMIN sy-vline 
WA_VV_554S_M_KZ_STR-LVMAX sy-vline 
WA_VV_554S_M_KZ_STR-ACCNT sy-vline 
WA_VV_554S_M_KZ_STR-ATEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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