ABAP Select data from SAP table MMPUR_S_SSP_PR_ITEM_ACC 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_SSP_PR_ITEM_ACC 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_SSP_PR_ITEM_ACC. 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_SSP_PR_ITEM_ACC 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_SSP_PR_ITEM_ACC TYPE STANDARD TABLE OF MMPUR_S_SSP_PR_ITEM_ACC,
      WA_MMPUR_S_SSP_PR_ITEM_ACC TYPE MMPUR_S_SSP_PR_ITEM_ACC,
      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_SSP_PR_ITEM_ACC> TYPE MMPUR_S_SSP_PR_ITEM_ACC.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_SSP_PR_ITEM_ACC
*  INTO TABLE @DATA(IT_MMPUR_S_SSP_PR_ITEM_ACC2).
*--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_SSP_PR_ITEM_ACC INDEX 1 INTO DATA(WA_MMPUR_S_SSP_PR_ITEM_ACC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_SSP_PR_ITEM_ACC>-PURCHASEREQUISITION = 1.
<MMPUR_S_SSP_PR_ITEM_ACC>-PURCHASEREQUISITIONITEM = 1.
<MMPUR_S_SSP_PR_ITEM_ACC>-PURCHASEREQNACCTASSGMTNUMBER = 1.
<MMPUR_S_SSP_PR_ITEM_ACC>-COSTCENTER = 1.
<MMPUR_S_SSP_PR_ITEM_ACC>-GLACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_SSP_PR_ITEM_ACC-UNLOADINGPOINTNAME, sy-vline,
  WA_MMPUR_S_SSP_PR_ITEM_ACC-GOODSRECIPIENTNAME, sy-vline,
  WA_MMPUR_S_SSP_PR_ITEM_ACC-CONTROLLINGAREA, sy-vline,
  WA_MMPUR_S_SSP_PR_ITEM_ACC-WBSELEMENT, sy-vline,
  WA_MMPUR_S_SSP_PR_ITEM_ACC-PROJECTNETWORK, sy-vline,
  WA_MMPUR_S_SSP_PR_ITEM_ACC-NETWORKACTIVITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_SSP_PR_ITEM_ACC 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_SSP_PR_ITEM_ACC 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_SSP_PR_ITEM_ACC INTO WA_MMPUR_S_SSP_PR_ITEM_ACC.


*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_SSP_PR_ITEM_ACC-PURCHASEREQUISITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_PR_ITEM_ACC-PURCHASEREQUISITION.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit NUMCV, internal->external for field NETWORKACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_PR_ITEM_ACC-NETWORKACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_PR_ITEM_ACC-NETWORKACTIVITY.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit FMCIS, internal->external for field COMMITMENTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_PR_ITEM_ACC-COMMITMENTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_PR_ITEM_ACC-COMMITMENTITEM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_PR_ITEM_ACC-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_PR_ITEM_ACC-WBSELEMENTINTERNALID.
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_SSP_PR_ITEM_ACC_STR, 
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURCHASEREQNACCTASSGMTNUMBER TYPE STRING,
COSTCENTER TYPE STRING,
GLACCOUNT TYPE STRING,
UNLOADINGPOINTNAME TYPE STRING,
GOODSRECIPIENTNAME TYPE STRING,
CONTROLLINGAREA TYPE STRING,
WBSELEMENT TYPE STRING,
PROJECTNETWORK TYPE STRING,
NETWORKACTIVITY TYPE STRING,
MASTERFIXEDASSET TYPE STRING,
FIXEDASSET TYPE STRING,
ORDERID TYPE STRING,
MULTIPLEACCTASSGMTDISTRPERCENT TYPE STRING,
BASEUNIT TYPE STRING,
COMMITMENTITEM TYPE STRING,
NETWORKACTIVITYINTERNALID TYPE STRING,
PURREQNITEMCURRENCY TYPE STRING,
QUANTITY TYPE STRING,
PURREQNNETAMOUNT TYPE STRING,
SDDOCUMENT TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
SCHEDULELINE TYPE STRING,
PROFITCENTER TYPE STRING,
FUND TYPE STRING,
FUNDSCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
BUSINESSAREA TYPE STRING,
COMPANYCODE TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
PROJECTNETWORKINTERNALID TYPE STRING,
VALIDITYENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_SSP_PR_ITEM_ACC_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_SSP_PR_ITEM_ACC_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PURCHASEREQNACCTASSGMTNUMBER sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-COSTCENTER sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-GLACCOUNT sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-UNLOADINGPOINTNAME sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-GOODSRECIPIENTNAME sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-CONTROLLINGAREA sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-WBSELEMENT sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PROJECTNETWORK sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-NETWORKACTIVITY sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-MASTERFIXEDASSET sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-FIXEDASSET sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-ORDERID sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-MULTIPLEACCTASSGMTDISTRPERCENT sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-BASEUNIT sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-COMMITMENTITEM sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-NETWORKACTIVITYINTERNALID sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PURREQNITEMCURRENCY sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-QUANTITY sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PURREQNNETAMOUNT sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-SDDOCUMENT sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-SALESDOCUMENTITEM sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-SCHEDULELINE sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PROFITCENTER sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-FUND sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-FUNDSCENTER sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-FUNCTIONALAREA sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-BUSINESSAREA sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-COMPANYCODE sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PROFITABILITYSEGMENT sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-WBSELEMENTINTERNALID sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_MMPUR_S_SSP_PR_ITEM_ACC_STR-VALIDITYENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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