ABAP Select data from SAP table CFSITEMMAPHDRDEF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFSITEMMAPHDRDEF
*  INTO TABLE @DATA(IT_CFSITEMMAPHDRDEF2).
*--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_CFSITEMMAPHDRDEF INDEX 1 INTO DATA(WA_CFSITEMMAPHDRDEF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFSITEMMAPHDRDEF>-MANDT = 1.
<CFSITEMMAPHDRDEF>-FSITEMMAPPINGUUID = 1.
<CFSITEMMAPHDRDEF>-CONSOLIDATIONCHARTOFACCOUNTS = 1.
<CFSITEMMAPHDRDEF>-CHARTOFACCOUNTS = 1.
<CFSITEMMAPHDRDEF>-FSITEMMAPPINGID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFSITEMMAPHDRDEF-FSITEMMAPPINGREVISION, sy-vline,
  WA_CFSITEMMAPHDRDEF-CONSOLIDATIONCHARTOFACCTSTEXT, sy-vline,
  WA_CFSITEMMAPHDRDEF-CHARTOFACCOUNTSNAME, sy-vline,
  WA_CFSITEMMAPHDRDEF-FSITEMMAPPINGNAME, sy-vline,
  WA_CFSITEMMAPHDRDEF-FSITEMMAPPINGREVISIONTEXT, sy-vline,
  WA_CFSITEMMAPHDRDEF-TOTALNMBROFMAPPEDGLACCOUNTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFSITEMMAPHDRDEF 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_CFSITEMMAPHDRDEF 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_CFSITEMMAPHDRDEF INTO WA_CFSITEMMAPHDRDEF.


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

*Conversion exit ALPHA, internal->external for field FSITEMMAPPINGREVISION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFSITEMMAPHDRDEF-FSITEMMAPPINGREVISION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFSITEMMAPHDRDEF-FSITEMMAPPINGREVISION.
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_CFSITEMMAPHDRDEF_STR, 
MANDT TYPE STRING,
FSITEMMAPPINGUUID TYPE STRING,
CONSOLIDATIONCHARTOFACCOUNTS TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
FSITEMMAPPINGID TYPE STRING,
FSITEMMAPPINGREVISION TYPE STRING,
CONSOLIDATIONCHARTOFACCTSTEXT TYPE STRING,
CHARTOFACCOUNTSNAME TYPE STRING,
FSITEMMAPPINGNAME TYPE STRING,
FSITEMMAPPINGREVISIONTEXT TYPE STRING,
TOTALNMBROFMAPPEDGLACCOUNTS TYPE STRING,
TOTALNMBROFNOTMAPPEDGLACCOUNTS TYPE STRING,
TOTALNMBROFFINSTMNTITEMS TYPE STRING,
HASERROR TYPE STRING,
SYSTEMMESSAGETEXT TYPE STRING,
ISACTIVEENTITY TYPE STRING,
HASACTIVEENTITY TYPE STRING,
HASDRAFTENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFSITEMMAPHDRDEF_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_CFSITEMMAPHDRDEF_STR-MANDT sy-vline 
WA_CFSITEMMAPHDRDEF_STR-FSITEMMAPPINGUUID sy-vline 
WA_CFSITEMMAPHDRDEF_STR-CONSOLIDATIONCHARTOFACCOUNTS sy-vline 
WA_CFSITEMMAPHDRDEF_STR-CHARTOFACCOUNTS sy-vline 
WA_CFSITEMMAPHDRDEF_STR-FSITEMMAPPINGID sy-vline 
WA_CFSITEMMAPHDRDEF_STR-FSITEMMAPPINGREVISION sy-vline 
WA_CFSITEMMAPHDRDEF_STR-CONSOLIDATIONCHARTOFACCTSTEXT sy-vline 
WA_CFSITEMMAPHDRDEF_STR-CHARTOFACCOUNTSNAME sy-vline 
WA_CFSITEMMAPHDRDEF_STR-FSITEMMAPPINGNAME sy-vline 
WA_CFSITEMMAPHDRDEF_STR-FSITEMMAPPINGREVISIONTEXT sy-vline 
WA_CFSITEMMAPHDRDEF_STR-TOTALNMBROFMAPPEDGLACCOUNTS sy-vline 
WA_CFSITEMMAPHDRDEF_STR-TOTALNMBROFNOTMAPPEDGLACCOUNTS sy-vline 
WA_CFSITEMMAPHDRDEF_STR-TOTALNMBROFFINSTMNTITEMS sy-vline 
WA_CFSITEMMAPHDRDEF_STR-HASERROR sy-vline 
WA_CFSITEMMAPHDRDEF_STR-SYSTEMMESSAGETEXT sy-vline 
WA_CFSITEMMAPHDRDEF_STR-ISACTIVEENTITY sy-vline 
WA_CFSITEMMAPHDRDEF_STR-HASACTIVEENTITY sy-vline 
WA_CFSITEMMAPHDRDEF_STR-HASDRAFTENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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