ABAP Select data from SAP table IMFGBOFACTNHIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMFGBOFACTNHIST
*  INTO TABLE @DATA(IT_IMFGBOFACTNHIST2).
*--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_IMFGBOFACTNHIST INDEX 1 INTO DATA(WA_IMFGBOFACTNHIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMFGBOFACTNHIST>-MANDT = 1.
<IMFGBOFACTNHIST>-MANUFACTURINGEXECUTIONDOCUMENT = 1.
<IMFGBOFACTNHIST>-MFGEXECUTIONDOCUMENTITEM = 1.
<IMFGBOFACTNHIST>-MFGBUYOFFACTION = 1.
<IMFGBOFACTNHIST>-MFGPROCGEXECACTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMFGBOFACTNHIST-MFGBUYOFFINTERNALID, sy-vline,
  WA_IMFGBOFACTNHIST-MFGBUYOFFSTEPCOUNT, sy-vline,
  WA_IMFGBOFACTNHIST-CREATIONDATETIME, sy-vline,
  WA_IMFGBOFACTNHIST-CREATIONUSERNAME, sy-vline,
  WA_IMFGBOFACTNHIST-MFGBUYOFFSTATUS, sy-vline,
  WA_IMFGBOFACTNHIST-MFGBUYOFFCOMMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMFGBOFACTNHIST 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_IMFGBOFACTNHIST 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_IMFGBOFACTNHIST INTO WA_IMFGBOFACTNHIST.


*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_IMFGBOFACTNHIST-VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMFGBOFACTNHIST-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_IMFGBOFACTNHIST_STR, 
MANDT TYPE STRING,
MANUFACTURINGEXECUTIONDOCUMENT TYPE STRING,
MFGEXECUTIONDOCUMENTITEM TYPE STRING,
MFGBUYOFFACTION TYPE STRING,
MFGPROCGEXECACTION TYPE STRING,
MFGBUYOFFINTERNALID TYPE STRING,
MFGBUYOFFSTEPCOUNT TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATIONUSERNAME TYPE STRING,
MFGBUYOFFSTATUS TYPE STRING,
MFGBUYOFFCOMMENT TYPE STRING,
MFGEXECDOCNOTEISEXISTING TYPE STRING,
MFGBUYOFFREFERENCEDSTEP TYPE STRING,
MFGBUYOFFADHOCSTEPDESCRIPTION TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
SHOPFLOORITEM TYPE STRING,
SYSTEMMESSAGEIDENTIFICATION TYPE STRING,
SYSTEMMESSAGENUMBER TYPE STRING,
MFGEXECHISTMSGVARBLFIELD1 TYPE STRING,
MFGEXECHISTMSGVARBLFIELD2 TYPE STRING,
MFGEXECHISTMSGVARBLFIELD3 TYPE STRING,
MFGEXECHISTMSGVARBLFIELD4 TYPE STRING,
MFGACTIONREASONCODEGROUP TYPE STRING,
MFGACTIONREASONCODEGROUPCTLG TYPE STRING,
VERSION TYPE STRING,
MANUFACTURINGACTIONREASONCODE TYPE STRING,
RESPYMGMTFUNCTION TYPE STRING,
RESPYMGMTTEAMID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMFGBOFACTNHIST_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_IMFGBOFACTNHIST_STR-MANDT sy-vline 
WA_IMFGBOFACTNHIST_STR-MANUFACTURINGEXECUTIONDOCUMENT sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGEXECUTIONDOCUMENTITEM sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGBUYOFFACTION sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGPROCGEXECACTION sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGBUYOFFINTERNALID sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGBUYOFFSTEPCOUNT sy-vline 
WA_IMFGBOFACTNHIST_STR-CREATIONDATETIME sy-vline 
WA_IMFGBOFACTNHIST_STR-CREATIONUSERNAME sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGBUYOFFSTATUS sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGBUYOFFCOMMENT sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGEXECDOCNOTEISEXISTING sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGBUYOFFREFERENCEDSTEP sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGBUYOFFADHOCSTEPDESCRIPTION sy-vline 
WA_IMFGBOFACTNHIST_STR-OPACTYNTWKINSTANCE sy-vline 
WA_IMFGBOFACTNHIST_STR-OPACTYNTWKELEMENT sy-vline 
WA_IMFGBOFACTNHIST_STR-SHOPFLOORITEM sy-vline 
WA_IMFGBOFACTNHIST_STR-SYSTEMMESSAGEIDENTIFICATION sy-vline 
WA_IMFGBOFACTNHIST_STR-SYSTEMMESSAGENUMBER sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGEXECHISTMSGVARBLFIELD1 sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGEXECHISTMSGVARBLFIELD2 sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGEXECHISTMSGVARBLFIELD3 sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGEXECHISTMSGVARBLFIELD4 sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGACTIONREASONCODEGROUP sy-vline 
WA_IMFGBOFACTNHIST_STR-MFGACTIONREASONCODEGROUPCTLG sy-vline 
WA_IMFGBOFACTNHIST_STR-VERSION sy-vline 
WA_IMFGBOFACTNHIST_STR-MANUFACTURINGACTIONREASONCODE sy-vline 
WA_IMFGBOFACTNHIST_STR-RESPYMGMTFUNCTION sy-vline 
WA_IMFGBOFACTNHIST_STR-RESPYMGMTTEAMID sy-vline      INTO ld_text SEPARATED BY SPACE.

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