ABAP Select data from SAP table FAGLSKF_SUM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGLSKF_SUM
*  INTO TABLE @DATA(IT_FAGLSKF_SUM2).
*--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_FAGLSKF_SUM INDEX 1 INTO DATA(WA_FAGLSKF_SUM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGLSKF_SUM>-RCLNT = 1.
<FAGLSKF_SUM>-STAGR = 1.
<FAGLSKF_SUM>-RLDNR = 1.
<FAGLSKF_SUM>-RYEAR = 1.
<FAGLSKF_SUM>-RPMAX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGLSKF_SUM-RBUKRS, sy-vline,
  WA_FAGLSKF_SUM-RCNTR, sy-vline,
  WA_FAGLSKF_SUM-PRCTR, sy-vline,
  WA_FAGLSKF_SUM-RFAREA, sy-vline,
  WA_FAGLSKF_SUM-RBUSA, sy-vline,
  WA_FAGLSKF_SUM-KOKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGLSKF_SUM 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_FAGLSKF_SUM 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_FAGLSKF_SUM INTO WA_FAGLSKF_SUM.


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

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKF_SUM-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKF_SUM-RYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field REFDOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGLSKF_SUM-REFDOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGLSKF_SUM-REFDOCNR.
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_FAGLSKF_SUM_STR, 
RCLNT TYPE STRING,
STAGR TYPE STRING,
RLDNR TYPE STRING,
RYEAR TYPE STRING,
RPMAX TYPE STRING,
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,
MSLVT TYPE STRING,
MSL01 TYPE STRING,
MSL02 TYPE STRING,
MSL03 TYPE STRING,
MSL04 TYPE STRING,
MSL05 TYPE STRING,
MSL06 TYPE STRING,
MSL07 TYPE STRING,
MSL08 TYPE STRING,
MSL09 TYPE STRING,
MSL10 TYPE STRING,
MSL11 TYPE STRING,
MSL12 TYPE STRING,
MSL13 TYPE STRING,
MSL14 TYPE STRING,
MSL15 TYPE STRING,
MSL16 TYPE STRING,
TIMESTAMP TYPE STRING,
GRTYP TYPE STRING,
REFDOCNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGLSKF_SUM_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_FAGLSKF_SUM_STR-RCLNT sy-vline 
WA_FAGLSKF_SUM_STR-STAGR sy-vline 
WA_FAGLSKF_SUM_STR-RLDNR sy-vline 
WA_FAGLSKF_SUM_STR-RYEAR sy-vline 
WA_FAGLSKF_SUM_STR-RPMAX sy-vline 
WA_FAGLSKF_SUM_STR-RBUKRS sy-vline 
WA_FAGLSKF_SUM_STR-RCNTR sy-vline 
WA_FAGLSKF_SUM_STR-PRCTR sy-vline 
WA_FAGLSKF_SUM_STR-RFAREA sy-vline 
WA_FAGLSKF_SUM_STR-RBUSA sy-vline 
WA_FAGLSKF_SUM_STR-KOKRS sy-vline 
WA_FAGLSKF_SUM_STR-SEGMENT sy-vline 
WA_FAGLSKF_SUM_STR-ACTIV sy-vline 
WA_FAGLSKF_SUM_STR-OBART sy-vline 
WA_FAGLSKF_SUM_STR-RUNIT sy-vline 
WA_FAGLSKF_SUM_STR-LOGSYS sy-vline 
WA_FAGLSKF_SUM_STR-RRCTY sy-vline 
WA_FAGLSKF_SUM_STR-RVERS sy-vline 
WA_FAGLSKF_SUM_STR-MSLVT sy-vline 
WA_FAGLSKF_SUM_STR-MSL01 sy-vline 
WA_FAGLSKF_SUM_STR-MSL02 sy-vline 
WA_FAGLSKF_SUM_STR-MSL03 sy-vline 
WA_FAGLSKF_SUM_STR-MSL04 sy-vline 
WA_FAGLSKF_SUM_STR-MSL05 sy-vline 
WA_FAGLSKF_SUM_STR-MSL06 sy-vline 
WA_FAGLSKF_SUM_STR-MSL07 sy-vline 
WA_FAGLSKF_SUM_STR-MSL08 sy-vline 
WA_FAGLSKF_SUM_STR-MSL09 sy-vline 
WA_FAGLSKF_SUM_STR-MSL10 sy-vline 
WA_FAGLSKF_SUM_STR-MSL11 sy-vline 
WA_FAGLSKF_SUM_STR-MSL12 sy-vline 
WA_FAGLSKF_SUM_STR-MSL13 sy-vline 
WA_FAGLSKF_SUM_STR-MSL14 sy-vline 
WA_FAGLSKF_SUM_STR-MSL15 sy-vline 
WA_FAGLSKF_SUM_STR-MSL16 sy-vline 
WA_FAGLSKF_SUM_STR-TIMESTAMP sy-vline 
WA_FAGLSKF_SUM_STR-GRTYP sy-vline 
WA_FAGLSKF_SUM_STR-REFDOCNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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