ABAP Select data from SAP table MMPUR_S_PR_EBAN 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_PR_EBAN 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_PR_EBAN. 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_PR_EBAN 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_PR_EBAN TYPE STANDARD TABLE OF MMPUR_S_PR_EBAN,
      WA_MMPUR_S_PR_EBAN TYPE MMPUR_S_PR_EBAN,
      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_PR_EBAN> TYPE MMPUR_S_PR_EBAN.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_PR_EBAN
*  INTO TABLE @DATA(IT_MMPUR_S_PR_EBAN2).
*--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_PR_EBAN INDEX 1 INTO DATA(WA_MMPUR_S_PR_EBAN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_PR_EBAN>-PURCHASEREQUISITION = 1.
<MMPUR_S_PR_EBAN>-PURCHASEREQUISITIONITEM = 1.
<MMPUR_S_PR_EBAN>-CREATIONDATE = 1.
<MMPUR_S_PR_EBAN>-PURCHASINGDOCUMENTTYPE = 1.
<MMPUR_S_PR_EBAN>-PURCHASEORDERSUBTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_PR_EBAN-PURREQNORIGIN, sy-vline,
  WA_MMPUR_S_PR_EBAN-PURREQNRELEASESTATUS, sy-vline,
  WA_MMPUR_S_PR_EBAN-RELEASECODE, sy-vline,
  WA_MMPUR_S_PR_EBAN-MULTIPLEACCTASSGMTDISTRIBUTION, sy-vline,
  WA_MMPUR_S_PR_EBAN-PURCHASEREQUISITIONITEMTEXT, sy-vline,
  WA_MMPUR_S_PR_EBAN-CREATEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_PR_EBAN 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_PR_EBAN 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_PR_EBAN INTO WA_MMPUR_S_PR_EBAN.


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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field EXTDESIREDSUPPLIERFORPURG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_PR_EBAN-EXTDESIREDSUPPLIERFORPURG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_PR_EBAN-EXTDESIREDSUPPLIERFORPURG.
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_PR_EBAN_STR, 
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
CREATIONDATE TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASEORDERSUBTYPE TYPE STRING,
PURREQNORIGIN TYPE STRING,
PURREQNRELEASESTATUS TYPE STRING,
RELEASECODE TYPE STRING,
MULTIPLEACCTASSGMTDISTRIBUTION TYPE STRING,
PURCHASEREQUISITIONITEMTEXT TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
PURREQNREQUESTOR TYPE STRING,
MATERIAL TYPE STRING,
SUPPLIERMATERIALNUMBER TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
REQUIREMENTTRACK TYPE STRING,
MATERIALGROUP TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
ORDEREDQUANTITY TYPE STRING,
BASEUNIT TYPE STRING,
PURCHASEREQUISITIONPRICE TYPE STRING,
PRICEUNIT TYPE STRING,
DELIVERYDATE TYPE STRING,
PURCHASEREQUISITIONRELEASEDATE TYPE STRING,
MATERIALGOODSRECEIPTDURATION TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
SUPPLIER TYPE STRING,
FIXEDSUPPLIER TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
PURCHASINGINFORECORD TYPE STRING,
MRPCONTROLLER TYPE STRING,
RESERVATION TYPE STRING,
PURCHASEREQUISITIONISFIXED TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
PURCHASEORDERPRICETYPE TYPE STRING,
BATCHBYSUPPLIER TYPE STRING,
CUSTOMERNUM TYPE STRING,
PURREQNRECEIVINGSUPPLIER TYPE STRING,
ISSUPPLIERSUBCONTRACTOR TYPE STRING,
CURRENCY TYPE STRING,
PURORDSUPPLIERMATERIALNUMBER TYPE STRING,
ISPURREQNOVRLREL TYPE STRING,
MANUFACTURERPARTPROFILE TYPE STRING,
MATERIALPLANNEDDELIVERYDURN TYPE STRING,
SCHEDULELINEDELIVERYTIME TYPE STRING,
ISPURREQNCMPLT TYPE STRING,
ISPURREQNBLOCKED TYPE STRING,
INCOMPLETENESSCATEGORY TYPE STRING,
DUMMY_EBAN_INCL_EEW_PS TYPE STRING,
EXTMATERIALFORPURG TYPE STRING,
EXTPLANTFORPURG TYPE STRING,
EXTCOMPANYCODEFORPURG TYPE STRING,
EXTPURGORGFORPURG TYPE STRING,
EXTFIXEDSUPPLIERFORPURG TYPE STRING,
EXTDESIREDSUPPLIERFORPURG TYPE STRING,
PERFORMANCEPERIODSTARTDATE TYPE STRING,
PERFORMANCEPERIODENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_PR_EBAN_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_PR_EBAN_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_PR_EBAN_STR-CREATIONDATE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEORDERSUBTYPE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURREQNORIGIN sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURREQNRELEASESTATUS sy-vline 
WA_MMPUR_S_PR_EBAN_STR-RELEASECODE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-MULTIPLEACCTASSGMTDISTRIBUTION sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEREQUISITIONITEMTEXT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-CREATEDBYUSER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-LASTCHANGEDATETIME sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURREQNREQUESTOR sy-vline 
WA_MMPUR_S_PR_EBAN_STR-MATERIAL sy-vline 
WA_MMPUR_S_PR_EBAN_STR-SUPPLIERMATERIALNUMBER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PLANT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-STORAGELOCATION sy-vline 
WA_MMPUR_S_PR_EBAN_STR-REQUIREMENTTRACK sy-vline 
WA_MMPUR_S_PR_EBAN_STR-MATERIALGROUP sy-vline 
WA_MMPUR_S_PR_EBAN_STR-SUPPLYINGPLANT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-ORDEREDQUANTITY sy-vline 
WA_MMPUR_S_PR_EBAN_STR-BASEUNIT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEREQUISITIONPRICE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PRICEUNIT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-DELIVERYDATE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEREQUISITIONRELEASEDATE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-MATERIALGOODSRECEIPTDURATION sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_MMPUR_S_PR_EBAN_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_MMPUR_S_PR_EBAN_STR-SUPPLIER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-FIXEDSUPPLIER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASINGGROUP sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASECONTRACT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASECONTRACTITEM sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASINGINFORECORD sy-vline 
WA_MMPUR_S_PR_EBAN_STR-MRPCONTROLLER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-RESERVATION sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEREQUISITIONISFIXED sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURCHASEORDERPRICETYPE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-BATCHBYSUPPLIER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-CUSTOMERNUM sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURREQNRECEIVINGSUPPLIER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-ISSUPPLIERSUBCONTRACTOR sy-vline 
WA_MMPUR_S_PR_EBAN_STR-CURRENCY sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PURORDSUPPLIERMATERIALNUMBER sy-vline 
WA_MMPUR_S_PR_EBAN_STR-ISPURREQNOVRLREL sy-vline 
WA_MMPUR_S_PR_EBAN_STR-MANUFACTURERPARTPROFILE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-MATERIALPLANNEDDELIVERYDURN sy-vline 
WA_MMPUR_S_PR_EBAN_STR-SCHEDULELINEDELIVERYTIME sy-vline 
WA_MMPUR_S_PR_EBAN_STR-ISPURREQNCMPLT sy-vline 
WA_MMPUR_S_PR_EBAN_STR-ISPURREQNBLOCKED sy-vline 
WA_MMPUR_S_PR_EBAN_STR-INCOMPLETENESSCATEGORY sy-vline 
WA_MMPUR_S_PR_EBAN_STR-DUMMY_EBAN_INCL_EEW_PS sy-vline 
WA_MMPUR_S_PR_EBAN_STR-EXTMATERIALFORPURG sy-vline 
WA_MMPUR_S_PR_EBAN_STR-EXTPLANTFORPURG sy-vline 
WA_MMPUR_S_PR_EBAN_STR-EXTCOMPANYCODEFORPURG sy-vline 
WA_MMPUR_S_PR_EBAN_STR-EXTPURGORGFORPURG sy-vline 
WA_MMPUR_S_PR_EBAN_STR-EXTFIXEDSUPPLIERFORPURG sy-vline 
WA_MMPUR_S_PR_EBAN_STR-EXTDESIREDSUPPLIERFORPURG sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PERFORMANCEPERIODSTARTDATE sy-vline 
WA_MMPUR_S_PR_EBAN_STR-PERFORMANCEPERIODENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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