ABAP Select data from SAP table CMMRFQEVTTYP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMRFQEVTTYP
*  INTO TABLE @DATA(IT_CMMRFQEVTTYP2).
*--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_CMMRFQEVTTYP INDEX 1 INTO DATA(WA_CMMRFQEVTTYP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMRFQEVTTYP>-MANDT = 1.
<CMMRFQEVTTYP>-REQUESTFORQUOTATION = 1.
<CMMRFQEVTTYP>-SUPPLIER = 1.
<CMMRFQEVTTYP>-SUPPLIERNAME = 1.
<CMMRFQEVTTYP>-COMPANYCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMRFQEVTTYP-COMPANYCODENAME, sy-vline,
  WA_CMMRFQEVTTYP-PURCHASINGDOCUMENTTYPE, sy-vline,
  WA_CMMRFQEVTTYP-PURCHASINGDOCUMENTTYPENAME, sy-vline,
  WA_CMMRFQEVTTYP-PURCHASINGDOCUMENTCATEGORY, sy-vline,
  WA_CMMRFQEVTTYP-CREATEDBYUSER, sy-vline,
  WA_CMMRFQEVTTYP-CREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMRFQEVTTYP 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_CMMRFQEVTTYP 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_CMMRFQEVTTYP INTO WA_CMMRFQEVTTYP.


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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMRFQEVTTYP-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMRFQEVTTYP-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_CMMRFQEVTTYP_STR, 
MANDT TYPE STRING,
REQUESTFORQUOTATION TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGDOCUMENTTYPENAME TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
QUOTATIONLATESTSUBMISSIONDATE TYPE STRING,
BINDINGPERIODVALIDITYENDDATE TYPE STRING,
LATESTREGISTRATIONDATE TYPE STRING,
CALENDARYEAR TYPE STRING,
CALENDARQUARTER TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARWEEK TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGORGANIZATIONNAME TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGGROUPNAME TYPE STRING,
RFQLIFECYCLESTATUS TYPE STRING,
RFQLIFECYCLESTATUSNAME TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
INTSOURCINGREQTOTALTARGETAMT TYPE STRING,
EXTSOURCINGREQTOTALTARGETAMT TYPE STRING,
EXTPRICINGREQTOTALTARGETAMT TYPE STRING,
NMBROFINTERNALSOURCINGREQUEST TYPE STRING,
NMBROFEXTERNALSOURCINGREQUEST TYPE STRING,
NMBROFEXTERNALPRICINGREQUEST TYPE STRING,
INTERNALSOURCINGREQTARGETAMT TYPE STRING,
EXTERNALSOURCINGREQTARGETAMT TYPE STRING,
EXTERNALPRICINGREQTARGETAMT TYPE STRING,
UNIQUEINTSOURCINGREQUEST TYPE STRING,
UNIQUEEXTSOURCINGREQUEST TYPE STRING,
UNIQUEEXTPRICINGREQUEST TYPE STRING,
NMBROFTOTALINTSOURCINGREQUEST TYPE STRING,
NMBROFTOTALEXTSOURCINGREQUEST TYPE STRING,
NMBROFTOTALEXTPRICINGREQUEST TYPE STRING,
RFQTOTALTARGETAMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMRFQEVTTYP_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_CMMRFQEVTTYP_STR-MANDT sy-vline 
WA_CMMRFQEVTTYP_STR-REQUESTFORQUOTATION sy-vline 
WA_CMMRFQEVTTYP_STR-SUPPLIER sy-vline 
WA_CMMRFQEVTTYP_STR-SUPPLIERNAME sy-vline 
WA_CMMRFQEVTTYP_STR-COMPANYCODE sy-vline 
WA_CMMRFQEVTTYP_STR-COMPANYCODENAME sy-vline 
WA_CMMRFQEVTTYP_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_CMMRFQEVTTYP_STR-PURCHASINGDOCUMENTTYPENAME sy-vline 
WA_CMMRFQEVTTYP_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_CMMRFQEVTTYP_STR-CREATEDBYUSER sy-vline 
WA_CMMRFQEVTTYP_STR-CREATIONDATE sy-vline 
WA_CMMRFQEVTTYP_STR-QUOTATIONLATESTSUBMISSIONDATE sy-vline 
WA_CMMRFQEVTTYP_STR-BINDINGPERIODVALIDITYENDDATE sy-vline 
WA_CMMRFQEVTTYP_STR-LATESTREGISTRATIONDATE sy-vline 
WA_CMMRFQEVTTYP_STR-CALENDARYEAR sy-vline 
WA_CMMRFQEVTTYP_STR-CALENDARQUARTER sy-vline 
WA_CMMRFQEVTTYP_STR-CALENDARMONTH sy-vline 
WA_CMMRFQEVTTYP_STR-CALENDARWEEK sy-vline 
WA_CMMRFQEVTTYP_STR-PURCHASINGORGANIZATION sy-vline 
WA_CMMRFQEVTTYP_STR-PURCHASINGORGANIZATIONNAME sy-vline 
WA_CMMRFQEVTTYP_STR-PURCHASINGGROUP sy-vline 
WA_CMMRFQEVTTYP_STR-PURCHASINGGROUPNAME sy-vline 
WA_CMMRFQEVTTYP_STR-RFQLIFECYCLESTATUS sy-vline 
WA_CMMRFQEVTTYP_STR-RFQLIFECYCLESTATUSNAME sy-vline 
WA_CMMRFQEVTTYP_STR-DISPLAYCURRENCY sy-vline 
WA_CMMRFQEVTTYP_STR-INTSOURCINGREQTOTALTARGETAMT sy-vline 
WA_CMMRFQEVTTYP_STR-EXTSOURCINGREQTOTALTARGETAMT sy-vline 
WA_CMMRFQEVTTYP_STR-EXTPRICINGREQTOTALTARGETAMT sy-vline 
WA_CMMRFQEVTTYP_STR-NMBROFINTERNALSOURCINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-NMBROFEXTERNALSOURCINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-NMBROFEXTERNALPRICINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-INTERNALSOURCINGREQTARGETAMT sy-vline 
WA_CMMRFQEVTTYP_STR-EXTERNALSOURCINGREQTARGETAMT sy-vline 
WA_CMMRFQEVTTYP_STR-EXTERNALPRICINGREQTARGETAMT sy-vline 
WA_CMMRFQEVTTYP_STR-UNIQUEINTSOURCINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-UNIQUEEXTSOURCINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-UNIQUEEXTPRICINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-NMBROFTOTALINTSOURCINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-NMBROFTOTALEXTSOURCINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-NMBROFTOTALEXTPRICINGREQUEST sy-vline 
WA_CMMRFQEVTTYP_STR-RFQTOTALTARGETAMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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