ABAP Select data from SAP table VV_T559L_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_T559L_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_T559L_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_T559L_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_T559L_KZ TYPE STANDARD TABLE OF VV_T559L_KZ,
      WA_VV_T559L_KZ TYPE VV_T559L_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_T559L_KZ> TYPE VV_T559L_KZ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VV_T559L_KZ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VV_T559L_KZ
  INTO TABLE IT_VV_T559L_KZ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VV_T559L_KZ
*  INTO TABLE @DATA(IT_VV_T559L_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_T559L_KZ INDEX 1 INTO DATA(WA_VV_T559L_KZ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VV_T559L_KZ ASSIGNING <VV_T559L_KZ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VV_T559L_KZ>-MANDT = 1.
<VV_T559L_KZ>-MOPGK = 1.
<VV_T559L_KZ>-MOZKO = 1.
<VV_T559L_KZ>-MOBDE = 1.
<VV_T559L_KZ>-QUOMO = 1.

ENDLOOP.

LOOP AT IT_VV_T559L_KZ INTO WA_VV_T559L_KZ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VV_T559L_KZ-ACCNR, sy-vline,
  WA_VV_T559L_KZ-ENDDA, sy-vline,
  WA_VV_T559L_KZ-PROCT, sy-vline,
  WA_VV_T559L_KZ-TMTXT, sy-vline,
  WA_VV_T559L_KZ-SBTXT, sy-vline,
  WA_VV_T559L_KZ-DTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VV_T559L_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_T559L_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_T559L_KZ INTO WA_VV_T559L_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_T559L_KZ_STR, 
MANDT TYPE STRING,
MOPGK TYPE STRING,
MOZKO TYPE STRING,
MOBDE TYPE STRING,
QUOMO TYPE STRING,
ACCNR TYPE STRING,
ENDDA TYPE STRING,
PROCT TYPE STRING,
TMTXT TYPE STRING,
SBTXT TYPE STRING,
DTEXT TYPE STRING,
QTEXT TYPE STRING,
BEGDA TYPE STRING,
SENKD TYPE STRING,
SENDT TYPE STRING,
AGEKD TYPE STRING,
AGEDT TYPE STRING,
HDBEG TYPE STRING,
HDEND TYPE STRING,
QTYPE TYPE STRING,
RULNO TYPE STRING,
ACCFR TYPE STRING,
AFREQ TYPE STRING,
ACCDL TYPE STRING,
LVPER TYPE STRING,
LFREQ TYPE STRING,
LVDAT TYPE STRING,
MULTT TYPE STRING,
MUZES TYPE STRING,
MUSAL TYPE STRING,
LVCUT_ACC TYPE STRING,
LVRND_ACC TYPE STRING,
LVMAX_ACC TYPE STRING,
QTCUT_ACC TYPE STRING,
QTMAX_ACC TYPE STRING,
LVRND_ENT TYPE STRING,
LVMAX_ENT TYPE STRING,
LSIZE TYPE STRING,
SBBEG TYPE STRING,
SBEND TYPE STRING,
ACCDT TYPE STRING,
ACCRV TYPE STRING,
ACCRU TYPE STRING,
PRVQT TYPE STRING,
SBGRU TYPE STRING,
PRORA TYPE STRING,
LRULE TYPE STRING,
ACCWP TYPE STRING,
SENPR TYPE STRING,
ACCTX TYPE STRING,
ACCLT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VV_T559L_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_T559L_KZ_STR-MANDT sy-vline 
WA_VV_T559L_KZ_STR-MOPGK sy-vline 
WA_VV_T559L_KZ_STR-MOZKO sy-vline 
WA_VV_T559L_KZ_STR-MOBDE sy-vline 
WA_VV_T559L_KZ_STR-QUOMO sy-vline 
WA_VV_T559L_KZ_STR-ACCNR sy-vline 
WA_VV_T559L_KZ_STR-ENDDA sy-vline 
WA_VV_T559L_KZ_STR-PROCT sy-vline 
WA_VV_T559L_KZ_STR-TMTXT sy-vline 
WA_VV_T559L_KZ_STR-SBTXT sy-vline 
WA_VV_T559L_KZ_STR-DTEXT sy-vline 
WA_VV_T559L_KZ_STR-QTEXT sy-vline 
WA_VV_T559L_KZ_STR-BEGDA sy-vline 
WA_VV_T559L_KZ_STR-SENKD sy-vline 
WA_VV_T559L_KZ_STR-SENDT sy-vline 
WA_VV_T559L_KZ_STR-AGEKD sy-vline 
WA_VV_T559L_KZ_STR-AGEDT sy-vline 
WA_VV_T559L_KZ_STR-HDBEG sy-vline 
WA_VV_T559L_KZ_STR-HDEND sy-vline 
WA_VV_T559L_KZ_STR-QTYPE sy-vline 
WA_VV_T559L_KZ_STR-RULNO sy-vline 
WA_VV_T559L_KZ_STR-ACCFR sy-vline 
WA_VV_T559L_KZ_STR-AFREQ sy-vline 
WA_VV_T559L_KZ_STR-ACCDL sy-vline 
WA_VV_T559L_KZ_STR-LVPER sy-vline 
WA_VV_T559L_KZ_STR-LFREQ sy-vline 
WA_VV_T559L_KZ_STR-LVDAT sy-vline 
WA_VV_T559L_KZ_STR-MULTT sy-vline 
WA_VV_T559L_KZ_STR-MUZES sy-vline 
WA_VV_T559L_KZ_STR-MUSAL sy-vline 
WA_VV_T559L_KZ_STR-LVCUT_ACC sy-vline 
WA_VV_T559L_KZ_STR-LVRND_ACC sy-vline 
WA_VV_T559L_KZ_STR-LVMAX_ACC sy-vline 
WA_VV_T559L_KZ_STR-QTCUT_ACC sy-vline 
WA_VV_T559L_KZ_STR-QTMAX_ACC sy-vline 
WA_VV_T559L_KZ_STR-LVRND_ENT sy-vline 
WA_VV_T559L_KZ_STR-LVMAX_ENT sy-vline 
WA_VV_T559L_KZ_STR-LSIZE sy-vline 
WA_VV_T559L_KZ_STR-SBBEG sy-vline 
WA_VV_T559L_KZ_STR-SBEND sy-vline 
WA_VV_T559L_KZ_STR-ACCDT sy-vline 
WA_VV_T559L_KZ_STR-ACCRV sy-vline 
WA_VV_T559L_KZ_STR-ACCRU sy-vline 
WA_VV_T559L_KZ_STR-PRVQT sy-vline 
WA_VV_T559L_KZ_STR-SBGRU sy-vline 
WA_VV_T559L_KZ_STR-PRORA sy-vline 
WA_VV_T559L_KZ_STR-LRULE sy-vline 
WA_VV_T559L_KZ_STR-ACCWP sy-vline 
WA_VV_T559L_KZ_STR-SENPR sy-vline 
WA_VV_T559L_KZ_STR-ACCTX sy-vline 
WA_VV_T559L_KZ_STR-ACCLT sy-vline      INTO ld_text SEPARATED BY SPACE.

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