ABAP Select data from SAP table PMMSUPLREVAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMSUPLREVAL
*  INTO TABLE @DATA(IT_PMMSUPLREVAL2).
*--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_PMMSUPLREVAL INDEX 1 INTO DATA(WA_PMMSUPLREVAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMSUPLREVAL>-MANDT = 1.
<PMMSUPLREVAL>-PURCHASINGDOCUMENT = 1.
<PMMSUPLREVAL>-PURCHASINGDOCUMENTITEM = 1.
<PMMSUPLREVAL>-CALENDARYEAR = 1.
<PMMSUPLREVAL>-CALENDARQUARTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMSUPLREVAL-CALENDARMONTH, sy-vline,
  WA_PMMSUPLREVAL-CALENDARWEEK, sy-vline,
  WA_PMMSUPLREVAL-PURCHASEORDERDATE, sy-vline,
  WA_PMMSUPLREVAL-PURGDOCMIGRTNISCMPLTDFORANLYTS, sy-vline,
  WA_PMMSUPLREVAL-PURCHASINGORGANIZATION, sy-vline,
  WA_PMMSUPLREVAL-PURCHASINGORGANIZATIONNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMSUPLREVAL 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_PMMSUPLREVAL 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_PMMSUPLREVAL INTO WA_PMMSUPLREVAL.


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

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PMMSUPLREVAL-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSUPLREVAL-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASINGCATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMSUPLREVAL-PURCHASINGCATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSUPLREVAL-PURCHASINGCATEGORY.
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_PMMSUPLREVAL_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
CALENDARYEAR TYPE STRING,
CALENDARQUARTER TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARWEEK TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
PURGDOCMIGRTNISCMPLTDFORANLYTS TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
COMPANYCODE TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
SUPPLIERCOUNTRY TYPE STRING,
COUNTRYNAME TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIALGROUPNAME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATNAME TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
PURCHASEORDERNETPRICEAMOUNT TYPE STRING,
PURCHASINGSOURCETYPE TYPE STRING,
TIMEVARIANCESCORE TYPE STRING,
PRICEVARIANCESCORE TYPE STRING,
QUANTITYVARIANCESCORE TYPE STRING,
INSPECTIONLOTQUALITYSCORE TYPE STRING,
QUALITYNOTIFICATIONSCORE TYPE STRING,
SUPPLIEROPERATIONALSCORE TYPE STRING,
OPERATIONALSUPPLIEREVALTOTWGTG TYPE STRING,
NUMBEROFPURCHASEORDERS TYPE STRING,
NUMBEROFPURCHASEORDERITEMS TYPE STRING,
SUPPLIERCLASSIFICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMSUPLREVAL_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_PMMSUPLREVAL_STR-MANDT sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGDOCUMENT sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PMMSUPLREVAL_STR-CALENDARYEAR sy-vline 
WA_PMMSUPLREVAL_STR-CALENDARQUARTER sy-vline 
WA_PMMSUPLREVAL_STR-CALENDARMONTH sy-vline 
WA_PMMSUPLREVAL_STR-CALENDARWEEK sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASEORDERDATE sy-vline 
WA_PMMSUPLREVAL_STR-PURGDOCMIGRTNISCMPLTDFORANLYTS sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGGROUP sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGGROUPNAME sy-vline 
WA_PMMSUPLREVAL_STR-COMPANYCODE sy-vline 
WA_PMMSUPLREVAL_STR-SUPPLIER sy-vline 
WA_PMMSUPLREVAL_STR-SUPPLIERNAME sy-vline 
WA_PMMSUPLREVAL_STR-SUPPLIERCOUNTRY sy-vline 
WA_PMMSUPLREVAL_STR-COUNTRYNAME sy-vline 
WA_PMMSUPLREVAL_STR-MATERIAL sy-vline 
WA_PMMSUPLREVAL_STR-MATERIALNAME sy-vline 
WA_PMMSUPLREVAL_STR-MATERIALGROUP sy-vline 
WA_PMMSUPLREVAL_STR-MATERIALGROUPNAME sy-vline 
WA_PMMSUPLREVAL_STR-PLANT sy-vline 
WA_PMMSUPLREVAL_STR-PLANTNAME sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGCATEGORY sy-vline 
WA_PMMSUPLREVAL_STR-PURGCATNAME sy-vline 
WA_PMMSUPLREVAL_STR-DISPLAYCURRENCY sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASEORDERNETPRICEAMOUNT sy-vline 
WA_PMMSUPLREVAL_STR-PURCHASINGSOURCETYPE sy-vline 
WA_PMMSUPLREVAL_STR-TIMEVARIANCESCORE sy-vline 
WA_PMMSUPLREVAL_STR-PRICEVARIANCESCORE sy-vline 
WA_PMMSUPLREVAL_STR-QUANTITYVARIANCESCORE sy-vline 
WA_PMMSUPLREVAL_STR-INSPECTIONLOTQUALITYSCORE sy-vline 
WA_PMMSUPLREVAL_STR-QUALITYNOTIFICATIONSCORE sy-vline 
WA_PMMSUPLREVAL_STR-SUPPLIEROPERATIONALSCORE sy-vline 
WA_PMMSUPLREVAL_STR-OPERATIONALSUPPLIEREVALTOTWGTG sy-vline 
WA_PMMSUPLREVAL_STR-NUMBEROFPURCHASEORDERS sy-vline 
WA_PMMSUPLREVAL_STR-NUMBEROFPURCHASEORDERITEMS sy-vline 
WA_PMMSUPLREVAL_STR-SUPPLIERCLASSIFICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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