ABAP Select data from SAP table CMFGBUYOFFLIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMFGBUYOFFLIST
*  INTO TABLE @DATA(IT_CMFGBUYOFFLIST2).
*--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_CMFGBUYOFFLIST INDEX 1 INTO DATA(WA_CMFGBUYOFFLIST2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMFGBUYOFFLIST-RESPYMGMTFUNCTION, sy-vline,
  WA_CMFGBUYOFFLIST-RESPYMGMTFUNCTIONDESCRIPTION, sy-vline,
  WA_CMFGBUYOFFLIST-PROCESSOR, sy-vline,
  WA_CMFGBUYOFFLIST-RESPYMGMTTEAMNAME, sy-vline,
  WA_CMFGBUYOFFLIST-RESPYMGMTTEAMDESCRIPTION, sy-vline,
  WA_CMFGBUYOFFLIST-RESPYMGMTTEAMID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMFGBUYOFFLIST 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_CMFGBUYOFFLIST 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_CMFGBUYOFFLIST INTO WA_CMFGBUYOFFLIST.


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

*Conversion exit ALPHA, internal->external for field MANUFACTURINGORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMFGBUYOFFLIST-MANUFACTURINGORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMFGBUYOFFLIST-MANUFACTURINGORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CMFGBUYOFFLIST-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMFGBUYOFFLIST-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_CMFGBUYOFFLIST-SERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMFGBUYOFFLIST-SERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field MANUFACTURINGORDEROPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CMFGBUYOFFLIST-MANUFACTURINGORDEROPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMFGBUYOFFLIST-MANUFACTURINGORDEROPERATION.
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_CMFGBUYOFFLIST_STR, 
MANDT TYPE STRING,
MFGBUYOFFCYCLE TYPE STRING,
MFGBUYOFFINTERNALID TYPE STRING,
MFGBUYOFFSTATUS TYPE STRING,
SEQUENCE TYPE STRING,
RESPYMGMTFUNCTION TYPE STRING,
RESPYMGMTFUNCTIONDESCRIPTION TYPE STRING,
PROCESSOR TYPE STRING,
RESPYMGMTTEAMNAME TYPE STRING,
RESPYMGMTTEAMDESCRIPTION TYPE STRING,
RESPYMGMTTEAMID TYPE STRING,
MFGBUYOFFPRIORITY TYPE STRING,
OPACTYNTWKELEMENTELEMENT TYPE STRING,
OPERATIONACTIVITYNAME TYPE STRING,
OPERATIONACTIVITY TYPE STRING,
MFGBUYOFFWAITINGTIME TYPE STRING,
USERDESCRIPTION TYPE STRING,
MFGBUYOFFINITIATOR TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
MATERIAL TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
SERIALNUMBER TYPE STRING,
SHOPFLOORITEM TYPE STRING,
OPACTYNTWKELEMENTELMNTVERSCNTR TYPE STRING,
WORKCENTER TYPE STRING,
MANUFACTURINGORDEROPERATION TYPE STRING,
MFGBUYOFFDESCRIPTION TYPE STRING,
CREATIONDATETIME TYPE STRING,
MFGBUYOFFISSKIPPED TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
MFGBUYOFFISREJECTENABLED TYPE STRING,
MFGBUYOFFISUNDOREJECTENBLD TYPE STRING,
MFGBUYOFFISUNDOAPPROVEENBLD TYPE STRING,
OPACTYISSELDFORRTACTVPOSTG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMFGBUYOFFLIST_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_CMFGBUYOFFLIST_STR-MANDT sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFCYCLE sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFINTERNALID sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFSTATUS sy-vline 
WA_CMFGBUYOFFLIST_STR-SEQUENCE sy-vline 
WA_CMFGBUYOFFLIST_STR-RESPYMGMTFUNCTION sy-vline 
WA_CMFGBUYOFFLIST_STR-RESPYMGMTFUNCTIONDESCRIPTION sy-vline 
WA_CMFGBUYOFFLIST_STR-PROCESSOR sy-vline 
WA_CMFGBUYOFFLIST_STR-RESPYMGMTTEAMNAME sy-vline 
WA_CMFGBUYOFFLIST_STR-RESPYMGMTTEAMDESCRIPTION sy-vline 
WA_CMFGBUYOFFLIST_STR-RESPYMGMTTEAMID sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFPRIORITY sy-vline 
WA_CMFGBUYOFFLIST_STR-OPACTYNTWKELEMENTELEMENT sy-vline 
WA_CMFGBUYOFFLIST_STR-OPERATIONACTIVITYNAME sy-vline 
WA_CMFGBUYOFFLIST_STR-OPERATIONACTIVITY sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFWAITINGTIME sy-vline 
WA_CMFGBUYOFFLIST_STR-USERDESCRIPTION sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFINITIATOR sy-vline 
WA_CMFGBUYOFFLIST_STR-MANUFACTURINGORDER sy-vline 
WA_CMFGBUYOFFLIST_STR-MATERIAL sy-vline 
WA_CMFGBUYOFFLIST_STR-PRODUCTIONPLANT sy-vline 
WA_CMFGBUYOFFLIST_STR-SERIALNUMBER sy-vline 
WA_CMFGBUYOFFLIST_STR-SHOPFLOORITEM sy-vline 
WA_CMFGBUYOFFLIST_STR-OPACTYNTWKELEMENTELMNTVERSCNTR sy-vline 
WA_CMFGBUYOFFLIST_STR-WORKCENTER sy-vline 
WA_CMFGBUYOFFLIST_STR-MANUFACTURINGORDEROPERATION sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFDESCRIPTION sy-vline 
WA_CMFGBUYOFFLIST_STR-CREATIONDATETIME sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFISSKIPPED sy-vline 
WA_CMFGBUYOFFLIST_STR-OPACTYNTWKINSTANCE sy-vline 
WA_CMFGBUYOFFLIST_STR-OPACTYNTWKELEMENT sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFISREJECTENABLED sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFISUNDOREJECTENBLD sy-vline 
WA_CMFGBUYOFFLIST_STR-MFGBUYOFFISUNDOAPPROVEENBLD sy-vline 
WA_CMFGBUYOFFLIST_STR-OPACTYISSELDFORRTACTVPOSTG sy-vline      INTO ld_text SEPARATED BY SPACE.

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