ABAP Select data from SAP table /SAPPSSRM/S_MASS_PRT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPPSSRM/S_MASS_PRT
*  INTO TABLE @DATA(IT_/SAPPSSRM/S_MASS_PRT2).
*--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_/SAPPSSRM/S_MASS_PRT INDEX 1 INTO DATA(WA_/SAPPSSRM/S_MASS_PRT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPPSSRM/S_MASS_PRT>-MCN_ACTDOCGUID = 1.
</SAPPSSRM/S_MASS_PRT>-MCN_OBJGUID = 1.
</SAPPSSRM/S_MASS_PRT>-MK_GUID_H = 1.
</SAPPSSRM/S_MASS_PRT>-MK_OBJECT_ID = 1.
</SAPPSSRM/S_MASS_PRT>-MK_DESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPPSSRM/S_MASS_PRT-MK_GUID_I, sy-vline,
  WA_/SAPPSSRM/S_MASS_PRT-MK_ITEM_NO, sy-vline,
  WA_/SAPPSSRM/S_MASS_PRT-PARTNER_GUID, sy-vline,
  WA_/SAPPSSRM/S_MASS_PRT-P_GUID, sy-vline,
  WA_/SAPPSSRM/S_MASS_PRT-PARTNER_FCT, sy-vline,
  WA_/SAPPSSRM/S_MASS_PRT-PFCT_DESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPPSSRM/S_MASS_PRT 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_/SAPPSSRM/S_MASS_PRT 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_/SAPPSSRM/S_MASS_PRT INTO WA_/SAPPSSRM/S_MASS_PRT.


*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 MK_OBJECT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_MASS_PRT-MK_OBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_MASS_PRT-MK_OBJECT_ID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field ADDR_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPPSSRM/S_MASS_PRT-ADDR_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPPSSRM/S_MASS_PRT-ADDR_NO.
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_/SAPPSSRM/S_MASS_PRT_STR, 
MCN_ACTDOCGUID TYPE STRING,
MCN_OBJGUID TYPE STRING,
MK_GUID_H TYPE STRING,
MK_OBJECT_ID TYPE STRING,
MK_DESCRIPTION TYPE STRING,
MK_GUID_I TYPE STRING,
MK_ITEM_NO TYPE STRING,
PARTNER_GUID TYPE STRING,
P_GUID TYPE STRING,
PARTNER_FCT TYPE STRING,
PFCT_DESCRIPTION TYPE STRING,
PARTNER_NO TYPE STRING,
PARTNER_ID TYPE STRING,
ADDR_ORIGIN TYPE STRING,
PERS_NO TYPE STRING,
ADDR_NO TYPE STRING,
TITLE_P TYPE STRING,
TITLE TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
NAME TYPE STRING,
NAME_2 TYPE STRING,
C_O_NAME TYPE STRING,
DEPARTMENT TYPE STRING,
BUILDING TYPE STRING,
BUILDING_P TYPE STRING,
FLOOR TYPE STRING,
FLOOR_P TYPE STRING,
ROOM_NO TYPE STRING,
ROOM_NO_P TYPE STRING,
STREET TYPE STRING,
HOUSE_NO TYPE STRING,
POSTL_COD1 TYPE STRING,
CITY TYPE STRING,
DISTRICT TYPE STRING,
PO_BOX TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
TAXJURCODE TYPE STRING,
TEL1_NUMBR TYPE STRING,
TEL1_EXT TYPE STRING,
FAX_NUMBER TYPE STRING,
FAX_EXTENS TYPE STRING,
E_MAIL TYPE STRING,
CHGLOCK_ICON TYPE STRING,
MESSAGE_ICON TYPE STRING,
COLOR_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPPSSRM/S_MASS_PRT_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_/SAPPSSRM/S_MASS_PRT_STR-MCN_ACTDOCGUID sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-MCN_OBJGUID sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-MK_GUID_H sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-MK_OBJECT_ID sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-MK_DESCRIPTION sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-MK_GUID_I sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-MK_ITEM_NO sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-PARTNER_GUID sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-P_GUID sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-PARTNER_FCT sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-PFCT_DESCRIPTION sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-PARTNER_NO sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-PARTNER_ID sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-ADDR_ORIGIN sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-PERS_NO sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-ADDR_NO sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-TITLE_P sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-TITLE sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-FIRSTNAME sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-LASTNAME sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-NAME sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-NAME_2 sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-C_O_NAME sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-DEPARTMENT sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-BUILDING sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-BUILDING_P sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-FLOOR sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-FLOOR_P sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-ROOM_NO sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-ROOM_NO_P sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-STREET sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-HOUSE_NO sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-POSTL_COD1 sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-CITY sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-DISTRICT sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-PO_BOX sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-COUNTRY sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-REGION sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-TAXJURCODE sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-TEL1_NUMBR sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-TEL1_EXT sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-FAX_NUMBER sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-FAX_EXTENS sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-E_MAIL sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-CHGLOCK_ICON sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-MESSAGE_ICON sy-vline 
WA_/SAPPSSRM/S_MASS_PRT_STR-COLOR_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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