ABAP Select data from SAP table MMPUR_SES_ITEM_BOPF_EXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMPUR_SES_ITEM_BOPF_EXT 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_SES_ITEM_BOPF_EXT. 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_SES_ITEM_BOPF_EXT 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_SES_ITEM_BOPF_EXT TYPE STANDARD TABLE OF MMPUR_SES_ITEM_BOPF_EXT,
      WA_MMPUR_SES_ITEM_BOPF_EXT TYPE MMPUR_SES_ITEM_BOPF_EXT,
      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_SES_ITEM_BOPF_EXT> TYPE MMPUR_SES_ITEM_BOPF_EXT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_SES_ITEM_BOPF_EXT
*  INTO TABLE @DATA(IT_MMPUR_SES_ITEM_BOPF_EXT2).
*--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_SES_ITEM_BOPF_EXT INDEX 1 INTO DATA(WA_MMPUR_SES_ITEM_BOPF_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_SES_ITEM_BOPF_EXT>-SERVICEENTRYSHEET = 1.
<MMPUR_SES_ITEM_BOPF_EXT>-SERVICEENTRYSHEETITEM = 1.
<MMPUR_SES_ITEM_BOPF_EXT>-PURCHASEORDER = 1.
<MMPUR_SES_ITEM_BOPF_EXT>-PURCHASEORDERITEM = 1.
<MMPUR_SES_ITEM_BOPF_EXT>-ISDELETED = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_SES_ITEM_BOPF_EXT-SERVICE, sy-vline,
  WA_MMPUR_SES_ITEM_BOPF_EXT-SERVICEENTRYSHEETITEMDESC, sy-vline,
  WA_MMPUR_SES_ITEM_BOPF_EXT-SERVICEPERFORMER, sy-vline,
  WA_MMPUR_SES_ITEM_BOPF_EXT-ACCOUNTASSIGNMENTCATEGORY, sy-vline,
  WA_MMPUR_SES_ITEM_BOPF_EXT-MULTIPLEACCTASSGMTDISTRIBUTION, sy-vline,
  WA_MMPUR_SES_ITEM_BOPF_EXT-WORKITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_SES_ITEM_BOPF_EXT 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_SES_ITEM_BOPF_EXT 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_SES_ITEM_BOPF_EXT INTO WA_MMPUR_SES_ITEM_BOPF_EXT.


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

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

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

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

*Conversion exit CUNIT, internal->external for field QUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_SES_ITEM_BOPF_EXT-QUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_SES_ITEM_BOPF_EXT-QUANTITYUNIT.
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_SES_ITEM_BOPF_EXT_STR, 
SERVICEENTRYSHEET TYPE STRING,
SERVICEENTRYSHEETITEM TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
ISDELETED TYPE STRING,
SERVICE TYPE STRING,
SERVICEENTRYSHEETITEMDESC TYPE STRING,
SERVICEPERFORMER TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
MULTIPLEACCTASSGMTDISTRIBUTION TYPE STRING,
WORKITEM TYPE STRING,
CONFIRMEDQUANTITY TYPE STRING,
QUANTITYUNIT TYPE STRING,
SERVICEPERFORMANCEDATE TYPE STRING,
ORIGINOBJECT TYPE STRING,
NETPRICEAMOUNT TYPE STRING,
PRODUCTGROUP TYPE STRING,
PLANT TYPE STRING,
PURGDOCITEMEXTERNALREFERENCE TYPE STRING,
DUMMY_MMPUR_SES_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_SES_ITEM_BOPF_EXT_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_SES_ITEM_BOPF_EXT_STR-SERVICEENTRYSHEET sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-SERVICEENTRYSHEETITEM sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-PURCHASEORDER sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-PURCHASEORDERITEM sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-ISDELETED sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-SERVICE sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-SERVICEENTRYSHEETITEMDESC sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-SERVICEPERFORMER sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-MULTIPLEACCTASSGMTDISTRIBUTION sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-WORKITEM sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-CONFIRMEDQUANTITY sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-QUANTITYUNIT sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-SERVICEPERFORMANCEDATE sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-ORIGINOBJECT sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-NETPRICEAMOUNT sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-PRODUCTGROUP sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-PLANT sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-PURGDOCITEMEXTERNALREFERENCE sy-vline 
WA_MMPUR_SES_ITEM_BOPF_EXT_STR-DUMMY_MMPUR_SES_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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