ABAP Select data from SAP table PPMD_00002114 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PPMD_00002114 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 PPMD_00002114. 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 PPMD_00002114 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_PPMD_00002114 TYPE STANDARD TABLE OF PPMD_00002114,
      WA_PPMD_00002114 TYPE PPMD_00002114,
      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: <PPMD_00002114> TYPE PPMD_00002114.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PPMD_00002114.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PPMD_00002114
  INTO TABLE IT_PPMD_00002114.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPMD_00002114
*  INTO TABLE @DATA(IT_PPMD_000021142).
*--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_PPMD_00002114 INDEX 1 INTO DATA(WA_PPMD_000021142).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PPMD_00002114 ASSIGNING <PPMD_00002114>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPMD_00002114>-MSGFN = 1.
<PPMD_00002114>-DATUB = 1.
<PPMD_00002114>-DATUV = 1.
<PPMD_00002114>-STLAL = 1.
<PPMD_00002114>-STLNR = 1.

ENDLOOP.

LOOP AT IT_PPMD_00002114 INTO WA_PPMD_00002114.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPMD_00002114-STLTY, sy-vline,
  WA_PPMD_00002114-IDNRK, sy-vline,
  WA_PPMD_00002114-MEINS, sy-vline,
  WA_PPMD_00002114-MENGE, sy-vline,
  WA_PPMD_00002114-POSNR, sy-vline,
  WA_PPMD_00002114-LGORT_RES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPMD_00002114 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_PPMD_00002114 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_PPMD_00002114 INTO WA_PPMD_00002114.


*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.

*Conversion exit ALPHA, internal->external for field STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPMD_00002114-STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMD_00002114-STLAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PPMD_00002114-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMD_00002114-STLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field IDNRK
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_PPMD_00002114-IDNRK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMD_00002114-IDNRK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PPMD_00002114-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPMD_00002114-POSNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_PPMD_00002114_STR, 
MSGFN TYPE STRING,
DATUB TYPE STRING,
DATUV TYPE STRING,
STLAL TYPE STRING,
STLNR TYPE STRING,
STLTY TYPE STRING,
IDNRK TYPE STRING,
MEINS TYPE STRING,
MENGE TYPE STRING,
POSNR TYPE STRING,
LGORT_RES TYPE STRING,
DISP TYPE STRING,
IDNRK_EXTERNAL TYPE STRING,
IDNRK_VERSION TYPE STRING,
IDNRK_GUID TYPE STRING,
IDNRK_LONG TYPE STRING,
STLKN TYPE STRING,
STLST TYPE STRING,
STLWG TYPE STRING,
DUMPS TYPE STRING,
PARENT_STLTY TYPE STRING,
PARENT_STLNR TYPE STRING,
PARENT_STLAL TYPE STRING,
PARENT_STVKN TYPE STRING,
ROOT_STLTY TYPE STRING,
ROOT_STLNR TYPE STRING,
ROOT_STLAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPMD_00002114_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_PPMD_00002114_STR-MSGFN sy-vline 
WA_PPMD_00002114_STR-DATUB sy-vline 
WA_PPMD_00002114_STR-DATUV sy-vline 
WA_PPMD_00002114_STR-STLAL sy-vline 
WA_PPMD_00002114_STR-STLNR sy-vline 
WA_PPMD_00002114_STR-STLTY sy-vline 
WA_PPMD_00002114_STR-IDNRK sy-vline 
WA_PPMD_00002114_STR-MEINS sy-vline 
WA_PPMD_00002114_STR-MENGE sy-vline 
WA_PPMD_00002114_STR-POSNR sy-vline 
WA_PPMD_00002114_STR-LGORT_RES sy-vline 
WA_PPMD_00002114_STR-DISP sy-vline 
WA_PPMD_00002114_STR-IDNRK_EXTERNAL sy-vline 
WA_PPMD_00002114_STR-IDNRK_VERSION sy-vline 
WA_PPMD_00002114_STR-IDNRK_GUID sy-vline 
WA_PPMD_00002114_STR-IDNRK_LONG sy-vline 
WA_PPMD_00002114_STR-STLKN sy-vline 
WA_PPMD_00002114_STR-STLST sy-vline 
WA_PPMD_00002114_STR-STLWG sy-vline 
WA_PPMD_00002114_STR-DUMPS sy-vline 
WA_PPMD_00002114_STR-PARENT_STLTY sy-vline 
WA_PPMD_00002114_STR-PARENT_STLNR sy-vline 
WA_PPMD_00002114_STR-PARENT_STLAL sy-vline 
WA_PPMD_00002114_STR-PARENT_STVKN sy-vline 
WA_PPMD_00002114_STR-ROOT_STLTY sy-vline 
WA_PPMD_00002114_STR-ROOT_STLNR sy-vline 
WA_PPMD_00002114_STR-ROOT_STLAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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