ABAP Select data from SAP table /KYK/ISS_S_ALR_87012026 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /KYK/ISS_S_ALR_87012026 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 /KYK/ISS_S_ALR_87012026. 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 /KYK/ISS_S_ALR_87012026 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_/KYK/ISS_S_ALR_87012026 TYPE STANDARD TABLE OF /KYK/ISS_S_ALR_87012026,
      WA_/KYK/ISS_S_ALR_87012026 TYPE /KYK/ISS_S_ALR_87012026,
      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: </KYK/ISS_S_ALR_87012026> TYPE /KYK/ISS_S_ALR_87012026.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/KYK/ISS_S_ALR_87012026.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /KYK/ISS_S_ALR_87012026
  INTO TABLE IT_/KYK/ISS_S_ALR_87012026.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /KYK/ISS_S_ALR_87012026
*  INTO TABLE @DATA(IT_/KYK/ISS_S_ALR_870120262).
*--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_/KYK/ISS_S_ALR_87012026 INDEX 1 INTO DATA(WA_/KYK/ISS_S_ALR_870120262).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/KYK/ISS_S_ALR_87012026 ASSIGNING </KYK/ISS_S_ALR_87012026>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</KYK/ISS_S_ALR_87012026>-ANLN0 = 1.
</KYK/ISS_S_ALR_87012026>-ANLN2 = 1.
</KYK/ISS_S_ALR_87012026>-S5 = 1.
</KYK/ISS_S_ALR_87012026>-S4 = 1.
</KYK/ISS_S_ALR_87012026>-S3 = 1.

ENDLOOP.

LOOP AT IT_/KYK/ISS_S_ALR_87012026 INTO WA_/KYK/ISS_S_ALR_87012026.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/KYK/ISS_S_ALR_87012026-S2, sy-vline,
  WA_/KYK/ISS_S_ALR_87012026-S1, sy-vline,
  WA_/KYK/ISS_S_ALR_87012026-AKTIV, sy-vline,
  WA_/KYK/ISS_S_ALR_87012026-TXT50, sy-vline,
  WA_/KYK/ISS_S_ALR_87012026-BTR1, sy-vline,
  WA_/KYK/ISS_S_ALR_87012026-BTR18, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/KYK/ISS_S_ALR_87012026 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_/KYK/ISS_S_ALR_87012026 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_/KYK/ISS_S_ALR_87012026 INTO WA_/KYK/ISS_S_ALR_87012026.


*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 ANLN0
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-ANLN0
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-ANLN0.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field S5
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-S5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-S5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field S4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-S4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-S4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_/KYK/ISS_S_ALR_87012026-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/KYK/ISS_S_ALR_87012026-POSNR.
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_/KYK/ISS_S_ALR_87012026_STR, 
ANLN0 TYPE STRING,
ANLN2 TYPE STRING,
S5 TYPE STRING,
S4 TYPE STRING,
S3 TYPE STRING,
S2 TYPE STRING,
S1 TYPE STRING,
AKTIV TYPE STRING,
TXT50 TYPE STRING,
BTR1 TYPE STRING,
BTR18 TYPE STRING,
BTR6 TYPE STRING,
WAERS TYPE STRING,
DSPACE01 TYPE STRING,
AFASL TYPE STRING,
AFABG TYPE STRING,
DAUER TYPE STRING,
SAFBG TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
DSPACE02 TYPE STRING,
BTR7 TYPE STRING,
BTR19 TYPE STRING,
DSPACE03 TYPE STRING,
WERKS TYPE STRING,
KOSTL TYPE STRING,
STORT TYPE STRING,
LIFNR TYPE STRING,
POSNR TYPE STRING,
DSPACE04 TYPE STRING,
BTR12 TYPE STRING,
BTR13 TYPE STRING,
BTR17 TYPE STRING,
DSPACE06 TYPE STRING,
DSPACE05 TYPE STRING,
BTR23 TYPE STRING,
BTR22 TYPE STRING,
BTR21 TYPE STRING,
BTR20 TYPE STRING,
BTR16 TYPE STRING,
BTR15 TYPE STRING,
BTR14 TYPE STRING,
BTR11 TYPE STRING,
BTR10 TYPE STRING,
BTR9 TYPE STRING,
BTR8 TYPE STRING,
BTR5 TYPE STRING,
BTR4 TYPE STRING,
BTR3 TYPE STRING,
BTR2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/KYK/ISS_S_ALR_87012026_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_/KYK/ISS_S_ALR_87012026_STR-ANLN0 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-ANLN2 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-S5 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-S4 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-S3 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-S2 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-S1 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-AKTIV sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-TXT50 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR1 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR18 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR6 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-WAERS sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-DSPACE01 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-AFASL sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-AFABG sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-DAUER sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-SAFBG sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-MENGE sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-MEINS sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-DSPACE02 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR7 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR19 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-DSPACE03 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-WERKS sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-KOSTL sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-STORT sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-LIFNR sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-POSNR sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-DSPACE04 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR12 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR13 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR17 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-DSPACE06 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-DSPACE05 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR23 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR22 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR21 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR20 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR16 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR15 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR14 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR11 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR10 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR9 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR8 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR5 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR4 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR3 sy-vline 
WA_/KYK/ISS_S_ALR_87012026_STR-BTR2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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