ABAP Select data from SAP table MMPUR_SRCLIST_BQPEX 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_BQPEX 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_BQPEX. 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_BQPEX 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_BQPEX TYPE STANDARD TABLE OF MMPUR_SRCLIST_BQPEX,
      WA_MMPUR_SRCLIST_BQPEX TYPE MMPUR_SRCLIST_BQPEX,
      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_BQPEX> TYPE MMPUR_SRCLIST_BQPEX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_SRCLIST_BQPEX
*  INTO TABLE @DATA(IT_MMPUR_SRCLIST_BQPEX2).
*--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_BQPEX INDEX 1 INTO DATA(WA_MMPUR_SRCLIST_BQPEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_SRCLIST_BQPEX>-PROCUREMENTTYPE = 1.
<MMPUR_SRCLIST_BQPEX>-PURGDOCSPECIALPROCUREMENTTYPE = 1.
<MMPUR_SRCLIST_BQPEX>-QUOTAARRANGEMENT = 1.
<MMPUR_SRCLIST_BQPEX>-QUOTAARRANGEMENTITEM = 1.
<MMPUR_SRCLIST_BQPEX>-SUPPLIER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_SRCLIST_BQPEX-FIXEDSUPPLIER, sy-vline,
  WA_MMPUR_SRCLIST_BQPEX-ISSOURCEOFSUPPLYFIXED, sy-vline,
  WA_MMPUR_SRCLIST_BQPEX-PURCHASINGINFORECORD, sy-vline,
  WA_MMPUR_SRCLIST_BQPEX-PURCHASINGORGANIZATION, sy-vline,
  WA_MMPUR_SRCLIST_BQPEX-PURCHASEOUTLINEAGREEMENT, sy-vline,
  WA_MMPUR_SRCLIST_BQPEX-PURCHASEOUTLINEAGREEMENTITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_SRCLIST_BQPEX 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_BQPEX 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_BQPEX INTO WA_MMPUR_SRCLIST_BQPEX.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field MANUFACTURERNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_SRCLIST_BQPEX-MANUFACTURERNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_SRCLIST_BQPEX-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_BQPEX-SHELFLIFEEXPIRATIONDATEPERIOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_SRCLIST_BQPEX-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_BQPEX-PURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_SRCLIST_BQPEX-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_BQPEX_STR, 
PROCUREMENTTYPE TYPE STRING,
PURGDOCSPECIALPROCUREMENTTYPE TYPE STRING,
QUOTAARRANGEMENT TYPE STRING,
QUOTAARRANGEMENTITEM TYPE STRING,
SUPPLIER TYPE STRING,
FIXEDSUPPLIER TYPE STRING,
ISSOURCEOFSUPPLYFIXED TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASEOUTLINEAGREEMENT TYPE STRING,
PURCHASEOUTLINEAGREEMENTITEM TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
PURGDOCSUPPLYINGPLANT TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
MANUFACTURERMATERIAL TYPE STRING,
MANUFACTURERPARTPROFILE TYPE STRING,
MANUFACTURERNUMBER TYPE STRING,
MANUFACTURERPARTNMBR TYPE STRING,
MANUFACTUREREXTERNALID TYPE STRING,
PLANNEDDELIVERYDURATION TYPE STRING,
PROCURINGPLANT TYPE STRING,
ISSUINGORRECEIVINGSTORAGELOC TYPE STRING,
PURCHASINGINFORECORDCATEGORY TYPE STRING,
MINREMAININGSHELFLIFE TYPE STRING,
SHELFLIFEEXPIRATIONDATEPERIOD TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
RETCO TYPE STRING,
BQSEL TYPE STRING,
SOURCING_DONE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_SRCLIST_BQPEX_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_BQPEX_STR-PROCUREMENTTYPE sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURGDOCSPECIALPROCUREMENTTYPE sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-QUOTAARRANGEMENT sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-QUOTAARRANGEMENTITEM sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-SUPPLIER sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-FIXEDSUPPLIER sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-ISSOURCEOFSUPPLYFIXED sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASINGINFORECORD sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASEOUTLINEAGREEMENT sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASEOUTLINEAGREEMENTITEM sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-ORDERQUANTITYUNIT sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURGDOCSUPPLYINGPLANT sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PRODUCTIONVERSION sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-MANUFACTURERMATERIAL sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-MANUFACTURERPARTPROFILE sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-MANUFACTURERNUMBER sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-MANUFACTURERPARTNMBR sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-MANUFACTUREREXTERNALID sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PLANNEDDELIVERYDURATION sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PROCURINGPLANT sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-ISSUINGORRECEIVINGSTORAGELOC sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASINGINFORECORDCATEGORY sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-MINREMAININGSHELFLIFE sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-SHELFLIFEEXPIRATIONDATEPERIOD sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASECONTRACT sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-PURCHASECONTRACTITEM sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-RETCO sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-BQSEL sy-vline 
WA_MMPUR_SRCLIST_BQPEX_STR-SOURCING_DONE sy-vline      INTO ld_text SEPARATED BY SPACE.

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