ABAP Select data from SAP table MMSRCGPNGNQITM_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMSRCGPNGNQITM_D
*  INTO TABLE @DATA(IT_MMSRCGPNGNQITM_D2).
*--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_MMSRCGPNGNQITM_D INDEX 1 INTO DATA(WA_MMSRCGPNGNQITM_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMSRCGPNGNQITM_D>-MANDT = 1.
<MMSRCGPNGNQITM_D>-SRCGPROJNEGTTNQTANITEMUUID = 1.
<MMSRCGPNGNQITM_D>-SRCGPROJNEGTTNQUOTATIONUUID = 1.
<MMSRCGPNGNQITM_D>-SOURCINGPROJECTNEGOTIATIONUUID = 1.
<MMSRCGPNGNQITM_D>-SRCGPROJQTNITEMUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMSRCGPNGNQITM_D-SOURCINGPROJECTQUOTATIONITEM, sy-vline,
  WA_MMSRCGPNGNQITM_D-SRCGPROJNEGTTNTARGETNETPRCAMT, sy-vline,
  WA_MMSRCGPNGNQITM_D-DOCUMENTCURRENCY, sy-vline,
  WA_MMSRCGPNGNQITM_D-SOURCINGPROJECTITEMSTABLEUUID, sy-vline,
  WA_MMSRCGPNGNQITM_D-SRCGPROJNEGTTNITMINCLUSIONTYPE, sy-vline,
  WA_MMSRCGPNGNQITM_D-SRCGPROJQUOTATIONITEMTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMSRCGPNGNQITM_D 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_MMSRCGPNGNQITM_D 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_MMSRCGPNGNQITM_D INTO WA_MMSRCGPNGNQITM_D.


*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 SOURCINGPROJECTQUOTATIONITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMSRCGPNGNQITM_D-SOURCINGPROJECTQUOTATIONITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMSRCGPNGNQITM_D-SOURCINGPROJECTQUOTATIONITEM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field REQUESTEDQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMSRCGPNGNQITM_D-REQUESTEDQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMSRCGPNGNQITM_D-REQUESTEDQUANTITYUNIT.
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_MMSRCGPNGNQITM_D_STR, 
MANDT TYPE STRING,
SRCGPROJNEGTTNQTANITEMUUID TYPE STRING,
SRCGPROJNEGTTNQUOTATIONUUID TYPE STRING,
SOURCINGPROJECTNEGOTIATIONUUID TYPE STRING,
SRCGPROJQTNITEMUUID TYPE STRING,
SOURCINGPROJECTQUOTATIONITEM TYPE STRING,
SRCGPROJNEGTTNTARGETNETPRCAMT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
SOURCINGPROJECTITEMSTABLEUUID TYPE STRING,
SRCGPROJNEGTTNITMINCLUSIONTYPE TYPE STRING,
SRCGPROJQUOTATIONITEMTYPE TYPE STRING,
SRCGPROJQTNITEMCLASSIFICATION TYPE STRING,
SRCGPROJQUOTATIONITEMPARENT TYPE STRING,
SRCGPROJNEGTTNTARGETQUANTITY TYPE STRING,
SRCGPROJNEGTTNMAXTARGETQTY TYPE STRING,
SRCGPROJNEGTTNTOTALTARGETQTY TYPE STRING,
REQUESTEDQUANTITYUNIT TYPE STRING,
REQUESTEDQUANTITY TYPE STRING,
SRCGPROJQTNOFFEREDQUANTITY TYPE STRING,
SRCGPROJQTNOFFERCURRENCY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
SRCGPROJQTNITEMTOTNETAMT TYPE STRING,
EXCHANGERATETYPE TYPE STRING,
SRCGPROJITEMTARGETAMOUNT TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,
DUMMY_SPNGNQITM_INCL_EEW_PS TYPE STRING,
ALTERNATIVEITEMID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMSRCGPNGNQITM_D_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_MMSRCGPNGNQITM_D_STR-MANDT sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJNEGTTNQTANITEMUUID sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJNEGTTNQUOTATIONUUID sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SOURCINGPROJECTNEGOTIATIONUUID sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJQTNITEMUUID sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SOURCINGPROJECTQUOTATIONITEM sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJNEGTTNTARGETNETPRCAMT sy-vline 
WA_MMSRCGPNGNQITM_D_STR-DOCUMENTCURRENCY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SOURCINGPROJECTITEMSTABLEUUID sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJNEGTTNITMINCLUSIONTYPE sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJQUOTATIONITEMTYPE sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJQTNITEMCLASSIFICATION sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJQUOTATIONITEMPARENT sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJNEGTTNTARGETQUANTITY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJNEGTTNMAXTARGETQTY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJNEGTTNTOTALTARGETQTY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-REQUESTEDQUANTITYUNIT sy-vline 
WA_MMSRCGPNGNQITM_D_STR-REQUESTEDQUANTITY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJQTNOFFEREDQUANTITY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJQTNOFFERCURRENCY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-NETPRICEAMOUNT sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJQTNITEMTOTNETAMT sy-vline 
WA_MMSRCGPNGNQITM_D_STR-EXCHANGERATETYPE sy-vline 
WA_MMSRCGPNGNQITM_D_STR-SRCGPROJITEMTARGETAMOUNT sy-vline 
WA_MMSRCGPNGNQITM_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_MMSRCGPNGNQITM_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_MMSRCGPNGNQITM_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_MMSRCGPNGNQITM_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_MMSRCGPNGNQITM_D_STR-HASACTIVEENTITY sy-vline 
WA_MMSRCGPNGNQITM_D_STR-DRAFTFIELDCHANGES sy-vline 
WA_MMSRCGPNGNQITM_D_STR-DUMMY_SPNGNQITM_INCL_EEW_PS sy-vline 
WA_MMSRCGPNGNQITM_D_STR-ALTERNATIVEITEMID sy-vline      INTO ld_text SEPARATED BY SPACE.

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