ABAP Select data from SAP table KSA0_SRD_0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP KSA0_SRD_0 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 KSA0_SRD_0. 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 KSA0_SRD_0 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_KSA0_SRD_0 TYPE STANDARD TABLE OF KSA0_SRD_0,
      WA_KSA0_SRD_0 TYPE KSA0_SRD_0,
      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: <KSA0_SRD_0> TYPE KSA0_SRD_0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_KSA0_SRD_0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM KSA0_SRD_0
  INTO TABLE IT_KSA0_SRD_0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KSA0_SRD_0
*  INTO TABLE @DATA(IT_KSA0_SRD_02).
*--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_KSA0_SRD_0 INDEX 1 INTO DATA(WA_KSA0_SRD_02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_KSA0_SRD_0 ASSIGNING <KSA0_SRD_0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KSA0_SRD_0>-KOSAR = 1.
<KSA0_SRD_0>-BUKRS = 1.
<KSA0_SRD_0>-GSBER = 1.
<KSA0_SRD_0>-KOSTL = 1.
<KSA0_SRD_0>-BISGJ = 1.

ENDLOOP.

LOOP AT IT_KSA0_SRD_0 INTO WA_KSA0_SRD_0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KSA0_SRD_0-BISPE, sy-vline,
  WA_KSA0_SRD_0-DATBI, sy-vline,
  WA_KSA0_SRD_0-VONGJ, sy-vline,
  WA_KSA0_SRD_0-VONPE, sy-vline,
  WA_KSA0_SRD_0-DATAB, sy-vline,
  WA_KSA0_SRD_0-KNUMH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KSA0_SRD_0 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_KSA0_SRD_0 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_KSA0_SRD_0 INTO WA_KSA0_SRD_0.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KSA0_SRD_0-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KSA0_SRD_0-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BISGJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KSA0_SRD_0-BISGJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KSA0_SRD_0-BISGJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field VONGJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KSA0_SRD_0-VONGJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KSA0_SRD_0-VONGJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field KBETR
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_KSA0_SRD_0-KBETR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KSA0_SRD_0-KBETR.
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_KSA0_SRD_0_STR, 
KOSAR TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
BISGJ TYPE STRING,
BISPE TYPE STRING,
DATBI TYPE STRING,
VONGJ TYPE STRING,
VONPE TYPE STRING,
DATAB TYPE STRING,
KNUMH TYPE STRING,
KBETR TYPE STRING,
KONWA TYPE STRING,
LOEVM_KO TYPE STRING,
MOD_FIELD TYPE STRING,
BISPE_AB TYPE STRING,
BISPE_BIS TYPE STRING,
VONPE_AB TYPE STRING,
VONPE_BIS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KSA0_SRD_0_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_KSA0_SRD_0_STR-KOSAR sy-vline 
WA_KSA0_SRD_0_STR-BUKRS sy-vline 
WA_KSA0_SRD_0_STR-GSBER sy-vline 
WA_KSA0_SRD_0_STR-KOSTL sy-vline 
WA_KSA0_SRD_0_STR-BISGJ sy-vline 
WA_KSA0_SRD_0_STR-BISPE sy-vline 
WA_KSA0_SRD_0_STR-DATBI sy-vline 
WA_KSA0_SRD_0_STR-VONGJ sy-vline 
WA_KSA0_SRD_0_STR-VONPE sy-vline 
WA_KSA0_SRD_0_STR-DATAB sy-vline 
WA_KSA0_SRD_0_STR-KNUMH sy-vline 
WA_KSA0_SRD_0_STR-KBETR sy-vline 
WA_KSA0_SRD_0_STR-KONWA sy-vline 
WA_KSA0_SRD_0_STR-LOEVM_KO sy-vline 
WA_KSA0_SRD_0_STR-MOD_FIELD sy-vline 
WA_KSA0_SRD_0_STR-BISPE_AB sy-vline 
WA_KSA0_SRD_0_STR-BISPE_BIS sy-vline 
WA_KSA0_SRD_0_STR-VONPE_AB sy-vline 
WA_KSA0_SRD_0_STR-VONPE_BIS sy-vline      INTO ld_text SEPARATED BY SPACE.

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