ABAP Select data from SAP table MDG_BS_MAT_S_MARA_PDF_DESC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MDG_BS_MAT_S_MARA_PDF_DESC
*  INTO TABLE @DATA(IT_MDG_BS_MAT_S_MARA_PDF_DESC2).
*--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_MDG_BS_MAT_S_MARA_PDF_DESC INDEX 1 INTO DATA(WA_MDG_BS_MAT_S_MARA_PDF_DESC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MDG_BS_MAT_S_MARA_PDF_DESC>-BMATN = 1.
<MDG_BS_MAT_S_MARA_PDF_DESC>-MATERIAL = 1.
<MDG_BS_MAT_S_MARA_PDF_DESC>-BSTME = 1.
<MDG_BS_MAT_S_MARA_PDF_DESC>-CADKZ = 1.
<MDG_BS_MAT_S_MARA_PDF_DESC>-CADKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MDG_BS_MAT_S_MARA_PDF_DESC-EXTWG, sy-vline,
  WA_MDG_BS_MAT_S_MARA_PDF_DESC-ERGEI, sy-vline,
  WA_MDG_BS_MAT_S_MARA_PDF_DESC-GEWEI_MAT, sy-vline,
  WA_MDG_BS_MAT_S_MARA_PDF_DESC-ERVOE, sy-vline,
  WA_MDG_BS_MAT_S_MARA_PDF_DESC-KOSCH, sy-vline,
  WA_MDG_BS_MAT_S_MARA_PDF_DESC-EXTWG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MDG_BS_MAT_S_MARA_PDF_DESC 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_MDG_BS_MAT_S_MARA_PDF_DESC 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_MDG_BS_MAT_S_MARA_PDF_DESC INTO WA_MDG_BS_MAT_S_MARA_PDF_DESC.


*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_MDG_BS_MAT_S_MARA_PDF_DESC_STR, 
BMATN TYPE STRING,
MATERIAL TYPE STRING,
BSTME TYPE STRING,
CADKZ TYPE STRING,
CADKZ TYPE STRING,
EXTWG TYPE STRING,
ERGEI TYPE STRING,
GEWEI_MAT TYPE STRING,
ERVOE TYPE STRING,
KOSCH TYPE STRING,
EXTWG TYPE STRING,
KZKFG TYPE STRING,
GEWEI TYPE STRING,
KZUMW TYPE STRING,
KOSCH TYPE STRING,
LABOR TYPE STRING,
KZGVH TYPE STRING,
LVORM_MAT TYPE STRING,
KZKFG TYPE STRING,
MATKL TYPE STRING,
KZUMW TYPE STRING,
MBRSH TYPE STRING,
LABOR TYPE STRING,
MEINS TYPE STRING,
LVORM TYPE STRING,
MSTAE TYPE STRING,
MAGRV TYPE STRING,
MTART TYPE STRING,
MATERIAL TYPE STRING,
MTPOSMARA TYPE STRING,
MATKL TYPE STRING,
NRFHG TYPE STRING,
MBRSH TYPE STRING,
NUMTP1 TYPE STRING,
MEABM TYPE STRING,
PRDHA TYPE STRING,
MEINS TYPE STRING,
PROFL TYPE STRING,
MFRPN TYPE STRING,
SATNR TYPE STRING,
ERVOE TYPE STRING,
MPROF TYPE STRING,
KZGVH TYPE STRING,
MSTAE TYPE STRING,
MSTAV TYPE STRING,
VOLTO TYPE STRING,
BSTME TYPE STRING,
MTART TYPE STRING,
MTPOS TYPE STRING,
VABME TYPE STRING,
BMATN TYPE STRING,
MTPOS_MARA TYPE STRING,
MPROF TYPE STRING,
NRFHG TYPE STRING,
MFRPN TYPE STRING,
NUMTP TYPE STRING,
PRDHA TYPE STRING,
VHART TYPE STRING,
MSTAV TYPE STRING,
PROFL TYPE STRING,
QMPUR TYPE STRING,
TRAGR TYPE STRING,
ERGEI TYPE STRING,
RBNRM TYPE STRING,
SATNR TYPE STRING,
SERLV TYPE STRING,
SPART TYPE STRING,
TRAGR TYPE STRING,
VABME TYPE STRING,
VHART TYPE STRING,
VOLEH TYPE STRING,
VOLTO TYPE STRING,
XCHPF TYPE STRING,
XGCHP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MDG_BS_MAT_S_MARA_PDF_DESC_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_MDG_BS_MAT_S_MARA_PDF_DESC_STR-BMATN sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MATERIAL sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-BSTME sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-CADKZ sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-CADKZ sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-EXTWG sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-ERGEI sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-GEWEI_MAT sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-ERVOE sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KOSCH sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-EXTWG sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KZKFG sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-GEWEI sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KZUMW sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KOSCH sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-LABOR sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KZGVH sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-LVORM_MAT sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KZKFG sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MATKL sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KZUMW sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MBRSH sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-LABOR sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MEINS sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-LVORM sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MSTAE sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MAGRV sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MTART sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MATERIAL sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MTPOSMARA sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MATKL sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-NRFHG sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MBRSH sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-NUMTP1 sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MEABM sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-PRDHA sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MEINS sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-PROFL sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MFRPN sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-SATNR sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-ERVOE sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MPROF sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-KZGVH sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MSTAE sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MSTAV sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-VOLTO sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-BSTME sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MTART sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MTPOS sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-VABME sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-BMATN sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MTPOS_MARA sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MPROF sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-NRFHG sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MFRPN sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-NUMTP sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-PRDHA sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-VHART sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-MSTAV sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-PROFL sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-QMPUR sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-TRAGR sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-ERGEI sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-RBNRM sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-SATNR sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-SERLV sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-SPART sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-TRAGR sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-VABME sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-VHART sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-VOLEH sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-VOLTO sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-XCHPF sy-vline 
WA_MDG_BS_MAT_S_MARA_PDF_DESC_STR-XGCHP sy-vline      INTO ld_text SEPARATED BY SPACE.

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