ABAP Select data from SAP table MPE_SFI_CONFIRM_UPDATE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MPE_SFI_CONFIRM_UPDATE 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 MPE_SFI_CONFIRM_UPDATE. 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 MPE_SFI_CONFIRM_UPDATE 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_MPE_SFI_CONFIRM_UPDATE TYPE STANDARD TABLE OF MPE_SFI_CONFIRM_UPDATE,
      WA_MPE_SFI_CONFIRM_UPDATE TYPE MPE_SFI_CONFIRM_UPDATE,
      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: <MPE_SFI_CONFIRM_UPDATE> TYPE MPE_SFI_CONFIRM_UPDATE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPE_SFI_CONFIRM_UPDATE
*  INTO TABLE @DATA(IT_MPE_SFI_CONFIRM_UPDATE2).
*--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_MPE_SFI_CONFIRM_UPDATE INDEX 1 INTO DATA(WA_MPE_SFI_CONFIRM_UPDATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPE_SFI_CONFIRM_UPDATE>-MANDT = 1.
<MPE_SFI_CONFIRM_UPDATE>-DOCUMENT_NUMBER = 1.
<MPE_SFI_CONFIRM_UPDATE>-SFI_ID = 1.
<MPE_SFI_CONFIRM_UPDATE>-OAN_INSTANCE_ID = 1.
<MPE_SFI_CONFIRM_UPDATE>-OAN_ELEMENT_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPE_SFI_CONFIRM_UPDATE-SASNAME, sy-vline,
  WA_MPE_SFI_CONFIRM_UPDATE-SASSTARTSTATUSNAME, sy-vline,
  WA_MPE_SFI_CONFIRM_UPDATE-SASENDSTATUSNAME, sy-vline,
  WA_MPE_SFI_CONFIRM_UPDATE-SASSTATUSDURATION, sy-vline,
  WA_MPE_SFI_CONFIRM_UPDATE-SASSTATUSDURATIONPP, sy-vline,
  WA_MPE_SFI_CONFIRM_UPDATE-SASSTATUSDURATIONTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPE_SFI_CONFIRM_UPDATE 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_MPE_SFI_CONFIRM_UPDATE 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_MPE_SFI_CONFIRM_UPDATE INTO WA_MPE_SFI_CONFIRM_UPDATE.


*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 VERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPE_SFI_CONFIRM_UPDATE-VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPE_SFI_CONFIRM_UPDATE-VERSION.
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_MPE_SFI_CONFIRM_UPDATE_STR, 
MANDT TYPE STRING,
DOCUMENT_NUMBER TYPE STRING,
SFI_ID TYPE STRING,
OAN_INSTANCE_ID TYPE STRING,
OAN_ELEMENT_NUMBER TYPE STRING,
SASNAME TYPE STRING,
SASSTARTSTATUSNAME TYPE STRING,
SASENDSTATUSNAME TYPE STRING,
SASSTATUSDURATION TYPE STRING,
SASSTATUSDURATIONPP TYPE STRING,
SASSTATUSDURATIONTS TYPE STRING,
ACTL_EXEC_DURATION TYPE STRING,
SASACTIONNAME TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
KATALOGART TYPE STRING,
CODEGRUPPE TYPE STRING,
CODE TYPE STRING,
VERSION TYPE STRING,
EVENTTIME TYPE STRING,
EVENTUSER TYPE STRING,
ENDTIME TYPE STRING,
IS_POSTED_RETROACTIVELY TYPE STRING,
GROSS_DURATION TYPE STRING,
NET_CALENDAR_DURATION TYPE STRING,
NET_WORK_CENTER_DURATION TYPE STRING,
UPDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPE_SFI_CONFIRM_UPDATE_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_MPE_SFI_CONFIRM_UPDATE_STR-MANDT sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-DOCUMENT_NUMBER sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SFI_ID sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-OAN_INSTANCE_ID sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-OAN_ELEMENT_NUMBER sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SASNAME sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SASSTARTSTATUSNAME sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SASENDSTATUSNAME sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SASSTATUSDURATION sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SASSTATUSDURATIONPP sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SASSTATUSDURATIONTS sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-ACTL_EXEC_DURATION sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-SASACTIONNAME sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-DOCUMENT_TYPE sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-KATALOGART sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-CODEGRUPPE sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-CODE sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-VERSION sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-EVENTTIME sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-EVENTUSER sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-ENDTIME sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-IS_POSTED_RETROACTIVELY sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-GROSS_DURATION sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-NET_CALENDAR_DURATION sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-NET_WORK_CENTER_DURATION sy-vline 
WA_MPE_SFI_CONFIRM_UPDATE_STR-UPDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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