ABAP Select data from SAP table MMPUR_S_EXT_LOCALACC 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_EXT_LOCALACC 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_EXT_LOCALACC. 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_EXT_LOCALACC 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_EXT_LOCALACC TYPE STANDARD TABLE OF MMPUR_S_EXT_LOCALACC,
      WA_MMPUR_S_EXT_LOCALACC TYPE MMPUR_S_EXT_LOCALACC,
      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_EXT_LOCALACC> TYPE MMPUR_S_EXT_LOCALACC.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_EXT_LOCALACC
*  INTO TABLE @DATA(IT_MMPUR_S_EXT_LOCALACC2).
*--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_EXT_LOCALACC INDEX 1 INTO DATA(WA_MMPUR_S_EXT_LOCALACC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_EXT_LOCALACC>-CHARTOFACCOUNTS = 1.
<MMPUR_S_EXT_LOCALACC>-PURCHASEREQUISITION = 1.
<MMPUR_S_EXT_LOCALACC>-PURCHASEREQUISITIONITEM = 1.
<MMPUR_S_EXT_LOCALACC>-PURREQNACCTASSGMTNMBR = 1.
<MMPUR_S_EXT_LOCALACC>-QUANTITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_EXT_LOCALACC-MULTIPLEACCTASSGMTDISTRPERCENT, sy-vline,
  WA_MMPUR_S_EXT_LOCALACC-GLACCOUNT, sy-vline,
  WA_MMPUR_S_EXT_LOCALACC-COSTCENTER, sy-vline,
  WA_MMPUR_S_EXT_LOCALACC-FUNCTIONALAREA, sy-vline,
  WA_MMPUR_S_EXT_LOCALACC-FUND, sy-vline,
  WA_MMPUR_S_EXT_LOCALACC-FUNDSCENTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_EXT_LOCALACC 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_EXT_LOCALACC 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_EXT_LOCALACC INTO WA_MMPUR_S_EXT_LOCALACC.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field EARMARKEDFUNDSDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_EXT_LOCALACC-EARMARKEDFUNDSDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_EXT_LOCALACC-EARMARKEDFUNDSDOCUMENT.
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_EXT_LOCALACC_STR, 
CHARTOFACCOUNTS TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONITEM TYPE STRING,
PURREQNACCTASSGMTNMBR TYPE STRING,
QUANTITY TYPE STRING,
MULTIPLEACCTASSGMTDISTRPERCENT TYPE STRING,
GLACCOUNT TYPE STRING,
COSTCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
FUND TYPE STRING,
FUNDSCENTER TYPE STRING,
CONTROLLINGAREA TYPE STRING,
UNLOADINGPOINTNAME TYPE STRING,
PROCESSORDER TYPE STRING,
PROJECTNETWORK TYPE STRING,
PROJECTNETWORKINTERNALID TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERSCHEDULELINE TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
MASTERFIXEDASSET TYPE STRING,
ISDELETED TYPE STRING,
CREATIONDATE TYPE STRING,
FIXEDASSET TYPE STRING,
GOODSRECIPIENTNAME TYPE STRING,
PROFITCENTER TYPE STRING,
COMMITMENTITEM TYPE STRING,
PURREQNNETAMOUNT TYPE STRING,
EARMARKEDFUNDSDOCUMENT TYPE STRING,
EARMARKEDFUNDSITEM TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
SETTLEMENTREFERENCEDATE TYPE STRING,
BUSINESSAREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_EXT_LOCALACC_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_EXT_LOCALACC_STR-CHARTOFACCOUNTS sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PURCHASEREQUISITIONITEM sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PURREQNACCTASSGMTNMBR sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-QUANTITY sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-MULTIPLEACCTASSGMTDISTRPERCENT sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-GLACCOUNT sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-COSTCENTER sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-FUNCTIONALAREA sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-FUND sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-FUNDSCENTER sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-CONTROLLINGAREA sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-UNLOADINGPOINTNAME sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PROCESSORDER sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PROJECTNETWORK sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-WBSELEMENTINTERNALID sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-SALESORDER sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-SALESORDERSCHEDULELINE sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-SALESDOCUMENTITEM sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-MASTERFIXEDASSET sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-ISDELETED sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-CREATIONDATE sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-FIXEDASSET sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-GOODSRECIPIENTNAME sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PROFITCENTER sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-COMMITMENTITEM sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PURREQNNETAMOUNT sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-EARMARKEDFUNDSDOCUMENT sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-EARMARKEDFUNDSITEM sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-PROFITABILITYSEGMENT sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-SETTLEMENTREFERENCEDATE sy-vline 
WA_MMPUR_S_EXT_LOCALACC_STR-BUSINESSAREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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