ABAP Select data from SAP table MMRENEGOLIST_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMRENEGOLIST_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 MMRENEGOLIST_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 MMRENEGOLIST_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_MMRENEGOLIST_D TYPE STANDARD TABLE OF MMRENEGOLIST_D,
      WA_MMRENEGOLIST_D TYPE MMRENEGOLIST_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: <MMRENEGOLIST_D> TYPE MMRENEGOLIST_D.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMRENEGOLIST_D
*  INTO TABLE @DATA(IT_MMRENEGOLIST_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_MMRENEGOLIST_D INDEX 1 INTO DATA(WA_MMRENEGOLIST_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMRENEGOLIST_D>-MANDT = 1.
<MMRENEGOLIST_D>-RENEGOTIATIONHEADERUUID = 1.
<MMRENEGOLIST_D>-RENEGOTIATIONID = 1.
<MMRENEGOLIST_D>-RENEGOTIATIONTEXT = 1.
<MMRENEGOLIST_D>-RENEGOTIATIONSTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMRENEGOLIST_D-RENEGOTIATIONENDDATE, sy-vline,
  WA_MMRENEGOLIST_D-RENEGOTIATIONSTATUS, sy-vline,
  WA_MMRENEGOLIST_D-RENEGOTIATIONSTATUSTEXT, sy-vline,
  WA_MMRENEGOLIST_D-SUPPLIER, sy-vline,
  WA_MMRENEGOLIST_D-SUPPLIERNAME, sy-vline,
  WA_MMRENEGOLIST_D-PURCHASINGORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMRENEGOLIST_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_MMRENEGOLIST_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_MMRENEGOLIST_D INTO WA_MMRENEGOLIST_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 RENEGOTIATIONID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMRENEGOLIST_D-RENEGOTIATIONID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMRENEGOLIST_D-RENEGOTIATIONID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field TARGETSAVINGPERCENTAGEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMRENEGOLIST_D-TARGETSAVINGPERCENTAGEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMRENEGOLIST_D-TARGETSAVINGPERCENTAGEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field INITIALRESPONSETIMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMRENEGOLIST_D-INITIALRESPONSETIMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMRENEGOLIST_D-INITIALRESPONSETIMEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMRENEGOLIST_D-LOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMRENEGOLIST_D-LOGICALSYSTEM.
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_MMRENEGOLIST_D_STR, 
MANDT TYPE STRING,
RENEGOTIATIONHEADERUUID TYPE STRING,
RENEGOTIATIONID TYPE STRING,
RENEGOTIATIONTEXT TYPE STRING,
RENEGOTIATIONSTARTDATE TYPE STRING,
RENEGOTIATIONENDDATE TYPE STRING,
RENEGOTIATIONSTATUS TYPE STRING,
RENEGOTIATIONSTATUSTEXT TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
TARGETSAVINGPERCENT TYPE STRING,
TARGETSAVINGPERCENTAGEUNIT TYPE STRING,
PRICINGREFERENCEDATE TYPE STRING,
PRICEVALIDITYSTARTDATE TYPE STRING,
PRICEVALIDITYENDDATE TYPE STRING,
PROJECTSTARTDATE TYPE STRING,
PROJECTENDDATE TYPE STRING,
INITIALRESPONSETIMEQTY TYPE STRING,
INITIALRESPONSETIMEUNIT TYPE STRING,
COMPANYCODE TYPE STRING,
RENEGTTNEXTERNALREFERENCEID TYPE STRING,
ISQUOTATION TYPE STRING,
QUOTATIONEXISTTEXT TYPE STRING,
RENEGOTIATIONSOURCEREFTYPE TYPE STRING,
LOGICALSYSTEM TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGEDONDATETIME TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,
DUMMY_RENEGTTNHDR_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMRENEGOLIST_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_MMRENEGOLIST_D_STR-MANDT sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONHEADERUUID sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONID sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONTEXT sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONSTARTDATE sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONENDDATE sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONSTATUS sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONSTATUSTEXT sy-vline 
WA_MMRENEGOLIST_D_STR-SUPPLIER sy-vline 
WA_MMRENEGOLIST_D_STR-SUPPLIERNAME sy-vline 
WA_MMRENEGOLIST_D_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMRENEGOLIST_D_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_MMRENEGOLIST_D_STR-DOCUMENTCURRENCY sy-vline 
WA_MMRENEGOLIST_D_STR-TARGETSAVINGPERCENT sy-vline 
WA_MMRENEGOLIST_D_STR-TARGETSAVINGPERCENTAGEUNIT sy-vline 
WA_MMRENEGOLIST_D_STR-PRICINGREFERENCEDATE sy-vline 
WA_MMRENEGOLIST_D_STR-PRICEVALIDITYSTARTDATE sy-vline 
WA_MMRENEGOLIST_D_STR-PRICEVALIDITYENDDATE sy-vline 
WA_MMRENEGOLIST_D_STR-PROJECTSTARTDATE sy-vline 
WA_MMRENEGOLIST_D_STR-PROJECTENDDATE sy-vline 
WA_MMRENEGOLIST_D_STR-INITIALRESPONSETIMEQTY sy-vline 
WA_MMRENEGOLIST_D_STR-INITIALRESPONSETIMEUNIT sy-vline 
WA_MMRENEGOLIST_D_STR-COMPANYCODE sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGTTNEXTERNALREFERENCEID sy-vline 
WA_MMRENEGOLIST_D_STR-ISQUOTATION sy-vline 
WA_MMRENEGOLIST_D_STR-QUOTATIONEXISTTEXT sy-vline 
WA_MMRENEGOLIST_D_STR-RENEGOTIATIONSOURCEREFTYPE sy-vline 
WA_MMRENEGOLIST_D_STR-LOGICALSYSTEM sy-vline 
WA_MMRENEGOLIST_D_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_MMRENEGOLIST_D_STR-CREATEDBYUSER sy-vline 
WA_MMRENEGOLIST_D_STR-CREATIONDATETIME sy-vline 
WA_MMRENEGOLIST_D_STR-CHANGEDBY sy-vline 
WA_MMRENEGOLIST_D_STR-CHANGEDONDATETIME sy-vline 
WA_MMRENEGOLIST_D_STR-LASTCHANGEDATETIME sy-vline 
WA_MMRENEGOLIST_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_MMRENEGOLIST_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_MMRENEGOLIST_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_MMRENEGOLIST_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_MMRENEGOLIST_D_STR-HASACTIVEENTITY sy-vline 
WA_MMRENEGOLIST_D_STR-DRAFTFIELDCHANGES sy-vline 
WA_MMRENEGOLIST_D_STR-DUMMY_RENEGTTNHDR_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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