ABAP Select data from SAP table MMPUR_SRCLIST_SRC_DETERM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMPUR_SRCLIST_SRC_DETERM 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_SRCLIST_SRC_DETERM. 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_SRCLIST_SRC_DETERM 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_SRCLIST_SRC_DETERM TYPE STANDARD TABLE OF MMPUR_SRCLIST_SRC_DETERM,
      WA_MMPUR_SRCLIST_SRC_DETERM TYPE MMPUR_SRCLIST_SRC_DETERM,
      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_SRCLIST_SRC_DETERM> TYPE MMPUR_SRCLIST_SRC_DETERM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_SRCLIST_SRC_DETERM
*  INTO TABLE @DATA(IT_MMPUR_SRCLIST_SRC_DETERM2).
*--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_SRCLIST_SRC_DETERM INDEX 1 INTO DATA(WA_MMPUR_SRCLIST_SRC_DETERM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_SRCLIST_SRC_DETERM>-STOCKSEGMENT = 1.
<MMPUR_SRCLIST_SRC_DETERM>-SUPPLIER = 1.
<MMPUR_SRCLIST_SRC_DETERM>-PURCHASINGDOCUMENT = 1.
<MMPUR_SRCLIST_SRC_DETERM>-PURCHASINGDOCUMENTITEM = 1.
<MMPUR_SRCLIST_SRC_DETERM>-PURCHASINGINFORECORD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_SRCLIST_SRC_DETERM-PURCHASINGORGANIZATION, sy-vline,
  WA_MMPUR_SRCLIST_SRC_DETERM-PLANT, sy-vline,
  WA_MMPUR_SRCLIST_SRC_DETERM-PURCHASINGDOCUMENTITEMCATEGORY, sy-vline,
  WA_MMPUR_SRCLIST_SRC_DETERM-NETPRICEAMOUNT, sy-vline,
  WA_MMPUR_SRCLIST_SRC_DETERM-CURRENCY, sy-vline,
  WA_MMPUR_SRCLIST_SRC_DETERM-MATERIAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_SRCLIST_SRC_DETERM 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_SRCLIST_SRC_DETERM 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_SRCLIST_SRC_DETERM INTO WA_MMPUR_SRCLIST_SRC_DETERM.


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

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

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

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

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

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

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

*Conversion exit PERKZ, internal->external for field SHELFLIFEEXPIRATIONDATEPERIOD
CALL FUNCTION 'CONVERSION_EXIT_PERKZ_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_SRCLIST_SRC_DETERM-SHELFLIFEEXPIRATIONDATEPERIOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_SRCLIST_SRC_DETERM-SHELFLIFEEXPIRATIONDATEPERIOD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_SRCLIST_SRC_DETERM-PURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_SRCLIST_SRC_DETERM-PURCHASECONTRACT.
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_SRCLIST_SRC_DETERM_STR, 
STOCKSEGMENT TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PLANT TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
MATERIAL TYPE STRING,
PLANNEDDELIVERYDURATIONINDAYS TYPE STRING,
BASEUNIT TYPE STRING,
MATERIALQTYTOBASEQTYNMRTR TYPE STRING,
MATERIALQTYTOBASEQTYDNMNTR TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
PURCHASEOUTLINEAGREEMENT TYPE STRING,
PURCHASEOUTLINEAGREEMENTITEM TYPE STRING,
MANUFACTURERPARTPROFILE TYPE STRING,
MANUFACTURERNUMBER TYPE STRING,
MANUFACTURERPARTNMBR TYPE STRING,
MANUFACTUREREXTERNALID TYPE STRING,
ISSUINGORRECEIVINGSTORAGELOC TYPE STRING,
MINREMAININGSHELFLIFE TYPE STRING,
SHELFLIFEEXPIRATIONDATEPERIOD TYPE STRING,
PROCURINGPLANT TYPE STRING,
PURGDOCEXTDSOURCEDETERMINATION TYPE STRING,
PURGDOCSUPPLYINGPLANT TYPE STRING,
PURGDOCREALISTICDELIVERYDATE TYPE STRING,
PURGDOCCOMMITTEDQUANTITY TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PURGDOCREFPURCHASINGORG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_SRCLIST_SRC_DETERM_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_SRCLIST_SRC_DETERM_STR-STOCKSEGMENT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-SUPPLIER sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASINGDOCUMENT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASINGINFORECORD sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PLANT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-NETPRICEAMOUNT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-CURRENCY sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MATERIAL sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PLANNEDDELIVERYDURATIONINDAYS sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-BASEUNIT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MATERIALQTYTOBASEQTYNMRTR sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MATERIALQTYTOBASEQTYDNMNTR sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PRODUCTIONVERSION sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASEOUTLINEAGREEMENT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASEOUTLINEAGREEMENTITEM sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MANUFACTURERPARTPROFILE sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MANUFACTURERNUMBER sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MANUFACTURERPARTNMBR sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MANUFACTUREREXTERNALID sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-ISSUINGORRECEIVINGSTORAGELOC sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-MINREMAININGSHELFLIFE sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-SHELFLIFEEXPIRATIONDATEPERIOD sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PROCURINGPLANT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURGDOCEXTDSOURCEDETERMINATION sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURGDOCSUPPLYINGPLANT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURGDOCREALISTICDELIVERYDATE sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURGDOCCOMMITTEDQUANTITY sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASECONTRACT sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURCHASECONTRACTITEM sy-vline 
WA_MMPUR_SRCLIST_SRC_DETERM_STR-PURGDOCREFPURCHASINGORG sy-vline      INTO ld_text SEPARATED BY SPACE.

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