ABAP Select data from SAP table ISMFGACTIONREASONCODEQMTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISMFGACTIONREASONCODEQMTP
*  INTO TABLE @DATA(IT_ISMFGACTIONREASONCODEQMTP2).
*--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_ISMFGACTIONREASONCODEQMTP INDEX 1 INTO DATA(WA_ISMFGACTIONREASONCODEQMTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISMFGACTIONREASONCODEQMTP>-KEY = 1.
<ISMFGACTIONREASONCODEQMTP>-PARENT_KEY = 1.
<ISMFGACTIONREASONCODEQMTP>-ROOT_KEY = 1.
<ISMFGACTIONREASONCODEQMTP>-KATALOGART = 1.
<ISMFGACTIONREASONCODEQMTP>-MFGACTIONREASONCODEGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISMFGACTIONREASONCODEQMTP-MANUFACTURINGACTIONREASONCODE, sy-vline,
  WA_ISMFGACTIONREASONCODEQMTP-VERSION, sy-vline,
  WA_ISMFGACTIONREASONCODEQMTP-MFGACTIONREASONCODENAME, sy-vline,
  WA_ISMFGACTIONREASONCODEQMTP-KATALOGARTFOREDIT, sy-vline,
  WA_ISMFGACTIONREASONCODEQMTP-MFGACTNREASONCODEGROUPFOREDIT, sy-vline,
  WA_ISMFGACTIONREASONCODEQMTP-MFGACTIONREASONCODEFOREDIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISMFGACTIONREASONCODEQMTP 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_ISMFGACTIONREASONCODEQMTP 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_ISMFGACTIONREASONCODEQMTP INTO WA_ISMFGACTIONREASONCODEQMTP.


*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_ISMFGACTIONREASONCODEQMTP-VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISMFGACTIONREASONCODEQMTP-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_ISMFGACTIONREASONCODEQMTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
KATALOGART TYPE STRING,
MFGACTIONREASONCODEGROUP TYPE STRING,
MANUFACTURINGACTIONREASONCODE TYPE STRING,
VERSION TYPE STRING,
MFGACTIONREASONCODENAME TYPE STRING,
KATALOGARTFOREDIT TYPE STRING,
MFGACTNREASONCODEGROUPFOREDIT TYPE STRING,
MFGACTIONREASONCODEFOREDIT TYPE STRING,
FEHLKLASSE TYPE STRING,
FOLGEAKTION TYPE STRING,
GELOESCHT TYPE STRING,
GUELTIGAB TYPE STRING,
INAKTIV TYPE STRING,
VERWENDUNG TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISMFGACTIONREASONCODEQMTP_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_ISMFGACTIONREASONCODEQMTP_STR-KEY sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-PARENT_KEY sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-ROOT_KEY sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-KATALOGART sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-MFGACTIONREASONCODEGROUP sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-MANUFACTURINGACTIONREASONCODE sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-VERSION sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-MFGACTIONREASONCODENAME sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-KATALOGARTFOREDIT sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-MFGACTNREASONCODEGROUPFOREDIT sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-MFGACTIONREASONCODEFOREDIT sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-FEHLKLASSE sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-FOLGEAKTION sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-GELOESCHT sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-GUELTIGAB sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-INAKTIV sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-VERWENDUNG sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-CREATEDBYUSER sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-CREATIONDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-LASTCHANGEDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-HASACTIVEENTITY sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISMFGACTIONREASONCODEQMTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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