ABAP Select data from SAP table T5D89 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5D89 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 T5D89. 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 T5D89 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_T5D89 TYPE STANDARD TABLE OF T5D89,
      WA_T5D89 TYPE T5D89,
      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: <T5D89> TYPE T5D89.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5D89.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5D89
  INTO TABLE IT_T5D89.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5D89
*  INTO TABLE @DATA(IT_T5D892).
*--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_T5D89 INDEX 1 INTO DATA(WA_T5D892).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5D89 ASSIGNING <T5D89>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5D89>-MANDT = 1.
<T5D89>-MOLGA = 1.
<T5D89>-TRFDF = 1.
<T5D89>-LGAMO = 1.
<T5D89>-LZSCH = 1.

ENDLOOP.

LOOP AT IT_T5D89 INTO WA_T5D89.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5D89-LASAK, sy-vline,
  WA_T5D89-LASVM, sy-vline,
  WA_T5D89-LASMS, sy-vline,
  WA_T5D89-LGRLO, sy-vline,
  WA_T5D89-LBZAB, sy-vline,
  WA_T5D89-LBWGR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T5D89 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_T5D89 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_T5D89 INTO WA_T5D89.


*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_T5D89_STR, 
MANDT TYPE STRING,
MOLGA TYPE STRING,
TRFDF TYPE STRING,
LGAMO TYPE STRING,
LZSCH TYPE STRING,
LASAK TYPE STRING,
LASVM TYPE STRING,
LASMS TYPE STRING,
LGRLO TYPE STRING,
LBZAB TYPE STRING,
LBWGR TYPE STRING,
LASVJ TYPE STRING,
LZU2H TYPE STRING,
LASME TYPE STRING,
MVTY1 TYPE STRING,
MVTY2 TYPE STRING,
LZSCH_MONAT TYPE STRING,
LGRLO_MONAT TYPE STRING,
LBZAB_MONAT TYPE STRING,
LBZAB_BER TYPE STRING,
SBAZW TYPE STRING,
SLGART TYPE STRING,
DUVDU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5D89_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_T5D89_STR-MANDT sy-vline 
WA_T5D89_STR-MOLGA sy-vline 
WA_T5D89_STR-TRFDF sy-vline 
WA_T5D89_STR-LGAMO sy-vline 
WA_T5D89_STR-LZSCH sy-vline 
WA_T5D89_STR-LASAK sy-vline 
WA_T5D89_STR-LASVM sy-vline 
WA_T5D89_STR-LASMS sy-vline 
WA_T5D89_STR-LGRLO sy-vline 
WA_T5D89_STR-LBZAB sy-vline 
WA_T5D89_STR-LBWGR sy-vline 
WA_T5D89_STR-LASVJ sy-vline 
WA_T5D89_STR-LZU2H sy-vline 
WA_T5D89_STR-LASME sy-vline 
WA_T5D89_STR-MVTY1 sy-vline 
WA_T5D89_STR-MVTY2 sy-vline 
WA_T5D89_STR-LZSCH_MONAT sy-vline 
WA_T5D89_STR-LGRLO_MONAT sy-vline 
WA_T5D89_STR-LBZAB_MONAT sy-vline 
WA_T5D89_STR-LBZAB_BER sy-vline 
WA_T5D89_STR-SBAZW sy-vline 
WA_T5D89_STR-SLGART sy-vline 
WA_T5D89_STR-DUVDU sy-vline      INTO ld_text SEPARATED BY SPACE.

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