ABAP Select data from SAP table PMMSUPLREVOVRCN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMSUPLREVOVRCN
*  INTO TABLE @DATA(IT_PMMSUPLREVOVRCN2).
*--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_PMMSUPLREVOVRCN INDEX 1 INTO DATA(WA_PMMSUPLREVOVRCN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMSUPLREVOVRCN>-MANDT = 1.
<PMMSUPLREVOVRCN>-SUPLREVALCALCULATEDSCOREVALUE = 1.
<PMMSUPLREVOVRCN>-CALENDARMONTH = 1.
<PMMSUPLREVOVRCN>-CALENDARQUARTER = 1.
<PMMSUPLREVOVRCN>-CALENDARWEEK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMSUPLREVOVRCN-CALENDARYEAR, sy-vline,
  WA_PMMSUPLREVOVRCN-PURGDOCMIGRTNISCMPLTDFORANLYTS, sy-vline,
  WA_PMMSUPLREVOVRCN-NUMBEROFRESPONSES, sy-vline,
  WA_PMMSUPLREVOVRCN-OPERATIONALSCORE, sy-vline,
  WA_PMMSUPLREVOVRCN-OPERATIONALSCORECOUNT, sy-vline,
  WA_PMMSUPLREVOVRCN-OPERATIONALSUPPLIEREVALTOTWGTG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMSUPLREVOVRCN 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_PMMSUPLREVOVRCN 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_PMMSUPLREVOVRCN INTO WA_PMMSUPLREVOVRCN.


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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMSUPLREVOVRCN-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSUPLREVOVRCN-SUPPLIER.
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_PMMSUPLREVOVRCN_STR, 
MANDT TYPE STRING,
SUPLREVALCALCULATEDSCOREVALUE TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARQUARTER TYPE STRING,
CALENDARWEEK TYPE STRING,
CALENDARYEAR TYPE STRING,
PURGDOCMIGRTNISCMPLTDFORANLYTS TYPE STRING,
NUMBEROFRESPONSES TYPE STRING,
OPERATIONALSCORE TYPE STRING,
OPERATIONALSCORECOUNT TYPE STRING,
OPERATIONALSUPPLIEREVALTOTWGTG TYPE STRING,
WEIGHTINGFACTOR TYPE STRING,
ISCRITERIAACTIVE TYPE STRING,
ISSUPPLIEREVALSWITCHACTIVE TYPE STRING,
OPERATIONALSCORECOUNTER TYPE STRING,
PURCHASEORDERNETPRICEAMOUNT TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATNAME TYPE STRING,
SUPLREVALTYPE TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIEREVALSCORETARGETVALUE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA1SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA2SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA3SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA4SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA5SCORE TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA1 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA2 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA3 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA4 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA5 TYPE STRING,
TOTNMBROFSUPLRUSRDFNDCRITRA TYPE STRING,
SUPLREVALUSRDFNDCRITRATOTSCORE TYPE STRING,
SUPLREVALUSRDFNDCRITRATOTVAL TYPE STRING,
SUPPLIEREVALUSRCRITERIA1WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA2WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA3WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA4WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA5WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA6VALUE TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA6 TYPE STRING,
SUPLREVALUSRCRITERIA6WGTGVALUE TYPE STRING,
SUPLREVALCRITRADELIVCOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMSUPLREVOVRCN_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_PMMSUPLREVOVRCN_STR-MANDT sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALCALCULATEDSCOREVALUE sy-vline 
WA_PMMSUPLREVOVRCN_STR-CALENDARMONTH sy-vline 
WA_PMMSUPLREVOVRCN_STR-CALENDARQUARTER sy-vline 
WA_PMMSUPLREVOVRCN_STR-CALENDARWEEK sy-vline 
WA_PMMSUPLREVOVRCN_STR-CALENDARYEAR sy-vline 
WA_PMMSUPLREVOVRCN_STR-PURGDOCMIGRTNISCMPLTDFORANLYTS sy-vline 
WA_PMMSUPLREVOVRCN_STR-NUMBEROFRESPONSES sy-vline 
WA_PMMSUPLREVOVRCN_STR-OPERATIONALSCORE sy-vline 
WA_PMMSUPLREVOVRCN_STR-OPERATIONALSCORECOUNT sy-vline 
WA_PMMSUPLREVOVRCN_STR-OPERATIONALSUPPLIEREVALTOTWGTG sy-vline 
WA_PMMSUPLREVOVRCN_STR-WEIGHTINGFACTOR sy-vline 
WA_PMMSUPLREVOVRCN_STR-ISCRITERIAACTIVE sy-vline 
WA_PMMSUPLREVOVRCN_STR-ISSUPPLIEREVALSWITCHACTIVE sy-vline 
WA_PMMSUPLREVOVRCN_STR-OPERATIONALSCORECOUNTER sy-vline 
WA_PMMSUPLREVOVRCN_STR-PURCHASEORDERNETPRICEAMOUNT sy-vline 
WA_PMMSUPLREVOVRCN_STR-PURCHASINGCATEGORY sy-vline 
WA_PMMSUPLREVOVRCN_STR-PURGCATNAME sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALTYPE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIER sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIEREVALSCORETARGETVALUE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRDFNDCRITERIA1SCORE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRDFNDCRITERIA2SCORE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRDFNDCRITERIA3SCORE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRDFNDCRITERIA4SCORE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRDFNDCRITERIA5SCORE sy-vline 
WA_PMMSUPLREVOVRCN_STR-NMBROFSUPLREVALUSRDFNDCRITRA1 sy-vline 
WA_PMMSUPLREVOVRCN_STR-NMBROFSUPLREVALUSRDFNDCRITRA2 sy-vline 
WA_PMMSUPLREVOVRCN_STR-NMBROFSUPLREVALUSRDFNDCRITRA3 sy-vline 
WA_PMMSUPLREVOVRCN_STR-NMBROFSUPLREVALUSRDFNDCRITRA4 sy-vline 
WA_PMMSUPLREVOVRCN_STR-NMBROFSUPLREVALUSRDFNDCRITRA5 sy-vline 
WA_PMMSUPLREVOVRCN_STR-TOTNMBROFSUPLRUSRDFNDCRITRA sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRDFNDCRITRATOTSCORE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRDFNDCRITRATOTVAL sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIEREVALUSRCRITERIA1WGTG sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIEREVALUSRCRITERIA2WGTG sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIEREVALUSRCRITERIA3WGTG sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIEREVALUSRCRITERIA4WGTG sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIEREVALUSRCRITERIA5WGTG sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPPLIEREVALUSRCRITERIA6VALUE sy-vline 
WA_PMMSUPLREVOVRCN_STR-NMBROFSUPLREVALUSRDFNDCRITRA6 sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALUSRCRITERIA6WGTGVALUE sy-vline 
WA_PMMSUPLREVOVRCN_STR-SUPLREVALCRITRADELIVCOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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