ABAP Select data from SAP table /MDGMM/_SD_MM_PDF_MATERIAL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /MDGMM/_SD_MM_PDF_MATERIAL 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 /MDGMM/_SD_MM_PDF_MATERIAL. 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 /MDGMM/_SD_MM_PDF_MATERIAL 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_/MDGMM/_SD_MM_PDF_MATERIAL TYPE STANDARD TABLE OF /MDGMM/_SD_MM_PDF_MATERIAL,
      WA_/MDGMM/_SD_MM_PDF_MATERIAL TYPE /MDGMM/_SD_MM_PDF_MATERIAL,
      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: </MDGMM/_SD_MM_PDF_MATERIAL> TYPE /MDGMM/_SD_MM_PDF_MATERIAL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /MDGMM/_SD_MM_PDF_MATERIAL
  INTO TABLE IT_/MDGMM/_SD_MM_PDF_MATERIAL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MDGMM/_SD_MM_PDF_MATERIAL
*  INTO TABLE @DATA(IT_/MDGMM/_SD_MM_PDF_MATERIAL2).
*--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_/MDGMM/_SD_MM_PDF_MATERIAL INDEX 1 INTO DATA(WA_/MDGMM/_SD_MM_PDF_MATERIAL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/MDGMM/_SD_MM_PDF_MATERIAL ASSIGNING </MDGMM/_SD_MM_PDF_MATERIAL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MDGMM/_SD_MM_PDF_MATERIAL>-MATERIAL = 1.
</MDGMM/_SD_MM_PDF_MATERIAL>-CADKZ = 1.
</MDGMM/_SD_MM_PDF_MATERIAL>-EXTWG = 1.
</MDGMM/_SD_MM_PDF_MATERIAL>-GEWEI_MAT = 1.
</MDGMM/_SD_MM_PDF_MATERIAL>-HAZMAT = 1.

ENDLOOP.

LOOP AT IT_/MDGMM/_SD_MM_PDF_MATERIAL INTO WA_/MDGMM/_SD_MM_PDF_MATERIAL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MDGMM/_SD_MM_PDF_MATERIAL-IHIVI, sy-vline,
  WA_/MDGMM/_SD_MM_PDF_MATERIAL-ILOOS, sy-vline,
  WA_/MDGMM/_SD_MM_PDF_MATERIAL-KOSCH, sy-vline,
  WA_/MDGMM/_SD_MM_PDF_MATERIAL-KZEFF, sy-vline,
  WA_/MDGMM/_SD_MM_PDF_MATERIAL-KZKFG, sy-vline,
  WA_/MDGMM/_SD_MM_PDF_MATERIAL-KZUMW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MDGMM/_SD_MM_PDF_MATERIAL 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_/MDGMM/_SD_MM_PDF_MATERIAL 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_/MDGMM/_SD_MM_PDF_MATERIAL INTO WA_/MDGMM/_SD_MM_PDF_MATERIAL.


*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_/MDGMM/_SD_MM_PDF_MATERIAL_STR, 
MATERIAL TYPE STRING,
CADKZ TYPE STRING,
EXTWG TYPE STRING,
GEWEI_MAT TYPE STRING,
HAZMAT TYPE STRING,
IHIVI TYPE STRING,
ILOOS TYPE STRING,
KOSCH TYPE STRING,
KZEFF TYPE STRING,
KZKFG TYPE STRING,
KZUMW TYPE STRING,
LABOR TYPE STRING,
LVORM_MAT TYPE STRING,
MAGRVMARA TYPE STRING,
MATFI TYPE STRING,
MATKL TYPE STRING,
MBRSH TYPE STRING,
MEABMMARA TYPE STRING,
MEDIUM TYPE STRING,
MEINS TYPE STRING,
MSTAE TYPE STRING,
MTART TYPE STRING,
MTPOSMARA TYPE STRING,
NRFHG TYPE STRING,
NUMTP1 TYPE STRING,
PRDHA TYPE STRING,
PROFL TYPE STRING,
RMATP TYPE STRING,
SATNR TYPE STRING,
SERLV TYPE STRING,
SPART TYPE STRING,
VOLEHMARA TYPE STRING,
XCHPFMARA TYPE STRING,
XGCHPMARA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MDGMM/_SD_MM_PDF_MATERIAL_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_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MATERIAL sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-CADKZ sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-EXTWG sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-GEWEI_MAT sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-HAZMAT sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-IHIVI sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-ILOOS sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-KOSCH sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-KZEFF sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-KZKFG sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-KZUMW sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-LABOR sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-LVORM_MAT sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MAGRVMARA sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MATFI sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MATKL sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MBRSH sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MEABMMARA sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MEDIUM sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MEINS sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MSTAE sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MTART sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-MTPOSMARA sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-NRFHG sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-NUMTP1 sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-PRDHA sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-PROFL sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-RMATP sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-SATNR sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-SERLV sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-SPART sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-VOLEHMARA sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-XCHPFMARA sy-vline 
WA_/MDGMM/_SD_MM_PDF_MATERIAL_STR-XGCHPMARA sy-vline      INTO ld_text SEPARATED BY SPACE.

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