ABAP Select data from SAP table ISMFGACTIONREASONCODEGROUPTP4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISMFGACTIONREASONCODEGROUPTP4 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 ISMFGACTIONREASONCODEGROUPTP4. 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 ISMFGACTIONREASONCODEGROUPTP4 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_ISMFGACTIONREASONCODEGROUPTP4 TYPE STANDARD TABLE OF ISMFGACTIONREASONCODEGROUPTP4,
      WA_ISMFGACTIONREASONCODEGROUPTP4 TYPE ISMFGACTIONREASONCODEGROUPTP4,
      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: <ISMFGACTIONREASONCODEGROUPTP4> TYPE ISMFGACTIONREASONCODEGROUPTP4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISMFGACTIONREASONCODEGROUPTP4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISMFGACTIONREASONCODEGROUPTP4
  INTO TABLE IT_ISMFGACTIONREASONCODEGROUPTP4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISMFGACTIONREASONCODEGROUPTP4
*  INTO TABLE @DATA(IT_ISMFGACTIONREASONCODEGROUPTP42).
*--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_ISMFGACTIONREASONCODEGROUPTP4 INDEX 1 INTO DATA(WA_ISMFGACTIONREASONCODEGROUPTP42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISMFGACTIONREASONCODEGROUPTP4 ASSIGNING <ISMFGACTIONREASONCODEGROUPTP4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISMFGACTIONREASONCODEGROUPTP4>-KEY = 1.
<ISMFGACTIONREASONCODEGROUPTP4>-PARENT_KEY = 1.
<ISMFGACTIONREASONCODEGROUPTP4>-ROOT_KEY = 1.
<ISMFGACTIONREASONCODEGROUPTP4>-MFGACTIONREASONCODEGROUPCTLG = 1.
<ISMFGACTIONREASONCODEGROUPTP4>-MFGACTIONREASONCODEGROUP = 1.

ENDLOOP.

LOOP AT IT_ISMFGACTIONREASONCODEGROUPTP4 INTO WA_ISMFGACTIONREASONCODEGROUPTP4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISMFGACTIONREASONCODEGROUPTP4-MFGACTNRSNCODEGROUPCTLGFOREDIT, sy-vline,
  WA_ISMFGACTIONREASONCODEGROUPTP4-MFGACTNREASONCODEGROUPFOREDIT, sy-vline,
  WA_ISMFGACTIONREASONCODEGROUPTP4-MFGACTIONREASONCODEGROUPNAME, sy-vline,
  WA_ISMFGACTIONREASONCODEGROUPTP4-INSPSPECADDITIONALCATALOGTEXT, sy-vline,
  WA_ISMFGACTIONREASONCODEGROUPTP4-CREATEDBYUSERDESCRIPTION, sy-vline,
  WA_ISMFGACTIONREASONCODEGROUPTP4-LASTCHANGEDBYUSERDESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISMFGACTIONREASONCODEGROUPTP4 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_ISMFGACTIONREASONCODEGROUPTP4 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_ISMFGACTIONREASONCODEGROUPTP4 INTO WA_ISMFGACTIONREASONCODEGROUPTP4.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ISMFGACTIONREASONCODEGROUPTP4_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
MFGACTIONREASONCODEGROUPCTLG TYPE STRING,
MFGACTIONREASONCODEGROUP TYPE STRING,
MFGACTNRSNCODEGROUPCTLGFOREDIT TYPE STRING,
MFGACTNREASONCODEGROUPFOREDIT TYPE STRING,
MFGACTIONREASONCODEGROUPNAME TYPE STRING,
INSPSPECADDITIONALCATALOGTEXT TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
LASTCHANGEDBYUSERDESCRIPTION TYPE STRING,
CODEGROUPISINACTIVE TYPE STRING,
CODEGROUPSTATUS TYPE STRING,
MFGACTIONREASONCODEGROUPISUSED TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME 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_ISMFGACTIONREASONCODEGROUPTP4_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_ISMFGACTIONREASONCODEGROUPTP4_STR-KEY sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-PARENT_KEY sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-ROOT_KEY sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-MFGACTIONREASONCODEGROUPCTLG sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-MFGACTIONREASONCODEGROUP sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-MFGACTNRSNCODEGROUPCTLGFOREDIT sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-MFGACTNREASONCODEGROUPFOREDIT sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-MFGACTIONREASONCODEGROUPNAME sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-INSPSPECADDITIONALCATALOGTEXT sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-LASTCHANGEDBYUSERDESCRIPTION sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-CODEGROUPISINACTIVE sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-CODEGROUPSTATUS sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-MFGACTIONREASONCODEGROUPISUSED sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-CREATEDBYUSER sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-CREATIONDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-LASTCHANGEDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-HASACTIVEENTITY sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISMFGACTIONREASONCODEGROUPTP4_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.