ABAP Select data from SAP table IFM_CFRULES_OUTPUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFM_CFRULES_OUTPUT
*  INTO TABLE @DATA(IT_IFM_CFRULES_OUTPUT2).
*--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_IFM_CFRULES_OUTPUT INDEX 1 INTO DATA(WA_IFM_CFRULES_OUTPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFM_CFRULES_OUTPUT>-STATUS = 1.
<IFM_CFRULES_OUTPUT>-SFONDS = 1.
<IFM_CFRULES_OUTPUT>-SFISTL = 1.
<IFM_CFRULES_OUTPUT>-SFIPEX = 1.
<IFM_CFRULES_OUTPUT>-SFAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFM_CFRULES_OUTPUT-RFONDS, sy-vline,
  WA_IFM_CFRULES_OUTPUT-RFISTL, sy-vline,
  WA_IFM_CFRULES_OUTPUT-RFIPEX, sy-vline,
  WA_IFM_CFRULES_OUTPUT-RFAREA, sy-vline,
  WA_IFM_CFRULES_OUTPUT-X_NO_CF, sy-vline,
  WA_IFM_CFRULES_OUTPUT-CFRULE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFM_CFRULES_OUTPUT 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_IFM_CFRULES_OUTPUT 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_IFM_CFRULES_OUTPUT INTO WA_IFM_CFRULES_OUTPUT.


*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 FMCIL, internal->external for field SFIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_IFM_CFRULES_OUTPUT-SFIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_CFRULES_OUTPUT-SFIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field RFIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_IFM_CFRULES_OUTPUT-RFIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_CFRULES_OUTPUT-RFIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IFM_CFRULES_OUTPUT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFM_CFRULES_OUTPUT-GJAHR.
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_IFM_CFRULES_OUTPUT_STR, 
STATUS TYPE STRING,
SFONDS TYPE STRING,
SFISTL TYPE STRING,
SFIPEX TYPE STRING,
SFAREA TYPE STRING,
RFONDS TYPE STRING,
RFISTL TYPE STRING,
RFIPEX TYPE STRING,
RFAREA TYPE STRING,
X_NO_CF TYPE STRING,
CFRULE TYPE STRING,
CF_WRTTP TYPE STRING,
CF_PRC TYPE STRING,
FMCFSB TYPE STRING,
MANDT TYPE STRING,
OBJNR TYPE STRING,
POSIT TYPE STRING,
GEBER TYPE STRING,
FAREA TYPE STRING,
OBJNR_E TYPE STRING,
POSIT_E TYPE STRING,
GEBER_E TYPE STRING,
FAREA_E TYPE STRING,
X_NO_CF TYPE STRING,
CFRULE TYPE STRING,
CF_WRTTP TYPE STRING,
GJAHR TYPE STRING,
FIKRS TYPE STRING,
CF_PRC TYPE STRING,
X_REST TYPE STRING,
BUDGET_PD TYPE STRING,
BUDGET_PD_E TYPE STRING,
COLOR TYPE STRING,
MSGTYP TYPE STRING,
MESSAGE TYPE STRING,
MORE_ERR TYPE STRING,
RBUDGET_PD TYPE STRING,
SBUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFM_CFRULES_OUTPUT_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_IFM_CFRULES_OUTPUT_STR-STATUS sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-SFONDS sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-SFISTL sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-SFIPEX sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-SFAREA sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-RFONDS sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-RFISTL sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-RFIPEX sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-RFAREA sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-X_NO_CF sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-CFRULE sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-CF_WRTTP sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-CF_PRC sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-FMCFSB sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-MANDT sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-OBJNR sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-POSIT sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-GEBER sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-FAREA sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-OBJNR_E sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-POSIT_E sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-GEBER_E sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-FAREA_E sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-X_NO_CF sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-CFRULE sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-CF_WRTTP sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-GJAHR sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-FIKRS sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-CF_PRC sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-X_REST sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-BUDGET_PD sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-BUDGET_PD_E sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-COLOR sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-MSGTYP sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-MESSAGE sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-MORE_ERR sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-RBUDGET_PD sy-vline 
WA_IFM_CFRULES_OUTPUT_STR-SBUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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