ABAP Select data from SAP table MMPUR_S_SP_HDRF_EX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_SP_HDRF_EX
*  INTO TABLE @DATA(IT_MMPUR_S_SP_HDRF_EX2).
*--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_MMPUR_S_SP_HDRF_EX INDEX 1 INTO DATA(WA_MMPUR_S_SP_HDRF_EX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_SP_HDRF_EX>-SOURCINGPROJECTUUID = 1.
<MMPUR_S_SP_HDRF_EX>-SOURCINGPROJECT = 1.
<MMPUR_S_SP_HDRF_EX>-SOURCINGPROJECTVERSION = 1.
<MMPUR_S_SP_HDRF_EX>-SOURCINGPROJECTTYPE = 1.
<MMPUR_S_SP_HDRF_EX>-SOURCINGPROJECTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_SP_HDRF_EX-SRCGPROJLIFECYCLESTATUS, sy-vline,
  WA_MMPUR_S_SP_HDRF_EX-SOURCINGPROJECTPHASE, sy-vline,
  WA_MMPUR_S_SP_HDRF_EX-SOURCINGSUPPLIERLISTUUID, sy-vline,
  WA_MMPUR_S_SP_HDRF_EX-SRCGPROJREVISIONSTS, sy-vline,
  WA_MMPUR_S_SP_HDRF_EX-SRCGPROJACTVTNSTS, sy-vline,
  WA_MMPUR_S_SP_HDRF_EX-SRCGPROJPUBGSTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_SP_HDRF_EX 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_MMPUR_S_SP_HDRF_EX 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_MMPUR_S_SP_HDRF_EX INTO WA_MMPUR_S_SP_HDRF_EX.


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

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

*Conversion exit ALPHA, internal->external for field LOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SP_HDRF_EX-LOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SP_HDRF_EX-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_MMPUR_S_SP_HDRF_EX_STR, 
SOURCINGPROJECTUUID TYPE STRING,
SOURCINGPROJECT TYPE STRING,
SOURCINGPROJECTVERSION TYPE STRING,
SOURCINGPROJECTTYPE TYPE STRING,
SOURCINGPROJECTNAME TYPE STRING,
SRCGPROJLIFECYCLESTATUS TYPE STRING,
SOURCINGPROJECTPHASE TYPE STRING,
SOURCINGSUPPLIERLISTUUID TYPE STRING,
SRCGPROJREVISIONSTS TYPE STRING,
SRCGPROJACTVTNSTS TYPE STRING,
SRCGPROJPUBGSTS TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
MATERIALGROUP TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
SRCGPROJTOTALTARGETAMOUNT TYPE STRING,
PURCHASERRESPWORKAGREEMENT TYPE STRING,
PURCHASERRESPONSIBLEPERSON TYPE STRING,
QTNLATESTSUBMISSIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
CREATIONDATETIME TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
INCOTERMSVERSION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
PAYMENTTERMS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
SRCGPROJPUBGDTETME TYPE STRING,
SRCGPROJATTCHSAREFORBIDDEN TYPE STRING,
SRCGPROJNOTESAREFORBIDDEN TYPE STRING,
SRCGPROJFOLLOWONDOCUMENTCAT TYPE STRING,
SRCGPROJFOLLOWONDOCUMENTTYPE TYPE STRING,
PURCONTRVALIDITYSTARTDATE TYPE STRING,
PURCONTRVALIDITYENDDATE TYPE STRING,
EXCHANGERATETYPE TYPE STRING,
SOURCINGPROJECTORIGIN TYPE STRING,
EXTERNALSOURCINGPROJECTREF TYPE STRING,
LOGICALSYSTEM TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
SOURCINGPROJECTUNIQUEID TYPE STRING,
DUMMY_SRCGPROJHDR_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_SP_HDRF_EX_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_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECTUUID sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECT sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECTVERSION sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECTTYPE sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECTNAME sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJLIFECYCLESTATUS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECTPHASE sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGSUPPLIERLISTUUID sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJREVISIONSTS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJACTVTNSTS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJPUBGSTS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-COMPANYCODE sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-PURCHASINGGROUP sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-MATERIALGROUP sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-DOCUMENTCURRENCY sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJTOTALTARGETAMOUNT sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-PURCHASERRESPWORKAGREEMENT sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-PURCHASERRESPONSIBLEPERSON sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-QTNLATESTSUBMISSIONDATETIME sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-LASTCHANGEDBYUSER sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-CREATEDBYUSER sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-LASTCHANGEDATETIME sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-CREATIONDATETIME sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-INCOTERMSVERSION sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-INCOTERMSLOCATION1 sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-INCOTERMSLOCATION2 sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-PAYMENTTERMS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-CASHDISCOUNT1DAYS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-CASHDISCOUNT2DAYS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-NETPAYMENTDAYS sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJPUBGDTETME sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJATTCHSAREFORBIDDEN sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJNOTESAREFORBIDDEN sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJFOLLOWONDOCUMENTCAT sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SRCGPROJFOLLOWONDOCUMENTTYPE sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-PURCONTRVALIDITYSTARTDATE sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-PURCONTRVALIDITYENDDATE sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-EXCHANGERATETYPE sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECTORIGIN sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-EXTERNALSOURCINGPROJECTREF sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-LOGICALSYSTEM sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-SOURCINGPROJECTUNIQUEID sy-vline 
WA_MMPUR_S_SP_HDRF_EX_STR-DUMMY_SRCGPROJHDR_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.