ABAP Select data from SAP table FAGLSKFR01_INC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FAGLSKFR01_INC 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 FAGLSKFR01_INC. 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 FAGLSKFR01_INC 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_FAGLSKFR01_INC TYPE STANDARD TABLE OF FAGLSKFR01_INC,
      WA_FAGLSKFR01_INC TYPE FAGLSKFR01_INC,
      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: <FAGLSKFR01_INC> TYPE FAGLSKFR01_INC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FAGLSKFR01_INC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FAGLSKFR01_INC
  INTO TABLE IT_FAGLSKFR01_INC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGLSKFR01_INC
*  INTO TABLE @DATA(IT_FAGLSKFR01_INC2).
*--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_FAGLSKFR01_INC INDEX 1 INTO DATA(WA_FAGLSKFR01_INC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FAGLSKFR01_INC ASSIGNING <FAGLSKFR01_INC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGLSKFR01_INC>-RBUKRS = 1.
<FAGLSKFR01_INC>-RCNTR = 1.
<FAGLSKFR01_INC>-PRCTR = 1.
<FAGLSKFR01_INC>-RFAREA = 1.
<FAGLSKFR01_INC>-RBUSA = 1.

ENDLOOP.

LOOP AT IT_FAGLSKFR01_INC INTO WA_FAGLSKFR01_INC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGLSKFR01_INC-KOKRS, sy-vline,
  WA_FAGLSKFR01_INC-SEGMENT, sy-vline,
  WA_FAGLSKFR01_INC-ACTIV, sy-vline,
  WA_FAGLSKFR01_INC-OBART, sy-vline,
  WA_FAGLSKFR01_INC-RUNIT, sy-vline,
  WA_FAGLSKFR01_INC-LOGSYS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGLSKFR01_INC 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_FAGLSKFR01_INC 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_FAGLSKFR01_INC INTO WA_FAGLSKFR01_INC.


*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 RCNTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKFR01_INC-RCNTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKFR01_INC-RCNTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKFR01_INC-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKFR01_INC-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKFR01_INC-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKFR01_INC-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKFR01_INC-RUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKFR01_INC-RUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKFR01_INC-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKFR01_INC-LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RVERS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKFR01_INC-RVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKFR01_INC-RVERS.
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_FAGLSKFR01_INC_STR, 
RBUKRS TYPE STRING,
RCNTR TYPE STRING,
PRCTR TYPE STRING,
RFAREA TYPE STRING,
RBUSA TYPE STRING,
KOKRS TYPE STRING,
SEGMENT TYPE STRING,
ACTIV TYPE STRING,
OBART TYPE STRING,
RUNIT TYPE STRING,
LOGSYS TYPE STRING,
RRCTY TYPE STRING,
RVERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGLSKFR01_INC_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_FAGLSKFR01_INC_STR-RBUKRS sy-vline 
WA_FAGLSKFR01_INC_STR-RCNTR sy-vline 
WA_FAGLSKFR01_INC_STR-PRCTR sy-vline 
WA_FAGLSKFR01_INC_STR-RFAREA sy-vline 
WA_FAGLSKFR01_INC_STR-RBUSA sy-vline 
WA_FAGLSKFR01_INC_STR-KOKRS sy-vline 
WA_FAGLSKFR01_INC_STR-SEGMENT sy-vline 
WA_FAGLSKFR01_INC_STR-ACTIV sy-vline 
WA_FAGLSKFR01_INC_STR-OBART sy-vline 
WA_FAGLSKFR01_INC_STR-RUNIT sy-vline 
WA_FAGLSKFR01_INC_STR-LOGSYS sy-vline 
WA_FAGLSKFR01_INC_STR-RRCTY sy-vline 
WA_FAGLSKFR01_INC_STR-RVERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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