ABAP Select data from SAP table IMFGBUYOFFLIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMFGBUYOFFLIST
*  INTO TABLE @DATA(IT_IMFGBUYOFFLIST2).
*--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_IMFGBUYOFFLIST INDEX 1 INTO DATA(WA_IMFGBUYOFFLIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMFGBUYOFFLIST>-MANDT = 1.
<IMFGBUYOFFLIST>-MFGBUYOFFCYCLE = 1.
<IMFGBUYOFFLIST>-MFGBUYOFFINTERNALID = 1.
<IMFGBUYOFFLIST>-MFGBUYOFFSTATUS = 1.
<IMFGBUYOFFLIST>-CREATIONDATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMFGBUYOFFLIST-CREATIONUSERNAME, sy-vline,
  WA_IMFGBUYOFFLIST-RESPYMGMTFUNCTION, sy-vline,
  WA_IMFGBUYOFFLIST-RESPYMGMTTEAMID, sy-vline,
  WA_IMFGBUYOFFLIST-SEQUENCE, sy-vline,
  WA_IMFGBUYOFFLIST-MFGBUYOFFISSKIPPED, sy-vline,
  WA_IMFGBUYOFFLIST-MFGBUYOFFPRIORITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMFGBUYOFFLIST 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_IMFGBUYOFFLIST 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_IMFGBUYOFFLIST INTO WA_IMFGBUYOFFLIST.


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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IMFGBUYOFFLIST-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMFGBUYOFFLIST-MATERIAL.
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_IMFGBUYOFFLIST_STR, 
MANDT TYPE STRING,
MFGBUYOFFCYCLE TYPE STRING,
MFGBUYOFFINTERNALID TYPE STRING,
MFGBUYOFFSTATUS TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATIONUSERNAME TYPE STRING,
RESPYMGMTFUNCTION TYPE STRING,
RESPYMGMTTEAMID TYPE STRING,
SEQUENCE TYPE STRING,
MFGBUYOFFISSKIPPED TYPE STRING,
MFGBUYOFFPRIORITY TYPE STRING,
MFGBUYOFFDESCRIPTION TYPE STRING,
MFGBUYOFFINITIATOR TYPE STRING,
PROCESSOR TYPE STRING,
SHOPFLOORITEM TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENTELEMENT TYPE STRING,
OPACTYNTWKELEMENTEXTERNALID TYPE STRING,
OPACTYNTWKELEMENTELMNTVERSCNTR TYPE STRING,
MATERIAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMFGBUYOFFLIST_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_IMFGBUYOFFLIST_STR-MANDT sy-vline 
WA_IMFGBUYOFFLIST_STR-MFGBUYOFFCYCLE sy-vline 
WA_IMFGBUYOFFLIST_STR-MFGBUYOFFINTERNALID sy-vline 
WA_IMFGBUYOFFLIST_STR-MFGBUYOFFSTATUS sy-vline 
WA_IMFGBUYOFFLIST_STR-CREATIONDATETIME sy-vline 
WA_IMFGBUYOFFLIST_STR-CREATIONUSERNAME sy-vline 
WA_IMFGBUYOFFLIST_STR-RESPYMGMTFUNCTION sy-vline 
WA_IMFGBUYOFFLIST_STR-RESPYMGMTTEAMID sy-vline 
WA_IMFGBUYOFFLIST_STR-SEQUENCE sy-vline 
WA_IMFGBUYOFFLIST_STR-MFGBUYOFFISSKIPPED sy-vline 
WA_IMFGBUYOFFLIST_STR-MFGBUYOFFPRIORITY sy-vline 
WA_IMFGBUYOFFLIST_STR-MFGBUYOFFDESCRIPTION sy-vline 
WA_IMFGBUYOFFLIST_STR-MFGBUYOFFINITIATOR sy-vline 
WA_IMFGBUYOFFLIST_STR-PROCESSOR sy-vline 
WA_IMFGBUYOFFLIST_STR-SHOPFLOORITEM sy-vline 
WA_IMFGBUYOFFLIST_STR-OPACTYNTWKELEMENT sy-vline 
WA_IMFGBUYOFFLIST_STR-OPACTYNTWKINSTANCE sy-vline 
WA_IMFGBUYOFFLIST_STR-OPACTYNTWKELEMENTELEMENT sy-vline 
WA_IMFGBUYOFFLIST_STR-OPACTYNTWKELEMENTEXTERNALID sy-vline 
WA_IMFGBUYOFFLIST_STR-OPACTYNTWKELEMENTELMNTVERSCNTR sy-vline 
WA_IMFGBUYOFFLIST_STR-MATERIAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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