ABAP Select data from SAP table FSSC_S_DIS_ATTR_MAIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FSSC_S_DIS_ATTR_MAIN
*  INTO TABLE @DATA(IT_FSSC_S_DIS_ATTR_MAIN2).
*--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_FSSC_S_DIS_ATTR_MAIN INDEX 1 INTO DATA(WA_FSSC_S_DIS_ATTR_MAIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FSSC_S_DIS_ATTR_MAIN>-CASE_GUID = 1.
<FSSC_S_DIS_ATTR_MAIN>-CASE_TYPE = 1.
<FSSC_S_DIS_ATTR_MAIN>-EXT_KEY = 1.
<FSSC_S_DIS_ATTR_MAIN>-EXT_REF = 1.
<FSSC_S_DIS_ATTR_MAIN>-CREATED_BY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FSSC_S_DIS_ATTR_MAIN-CREATE_TIME, sy-vline,
  WA_FSSC_S_DIS_ATTR_MAIN-CHANGED_BY, sy-vline,
  WA_FSSC_S_DIS_ATTR_MAIN-CHANGE_TIME, sy-vline,
  WA_FSSC_S_DIS_ATTR_MAIN-CLOSED_BY, sy-vline,
  WA_FSSC_S_DIS_ATTR_MAIN-CLOSING_TIME, sy-vline,
  WA_FSSC_S_DIS_ATTR_MAIN-PLAN_END_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FSSC_S_DIS_ATTR_MAIN 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_FSSC_S_DIS_ATTR_MAIN 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_FSSC_S_DIS_ATTR_MAIN INTO WA_FSSC_S_DIS_ATTR_MAIN.


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

*Conversion exit TSTPS, internal->external for field CREATE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_FSSC_S_DIS_ATTR_MAIN-CREATE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSSC_S_DIS_ATTR_MAIN-CREATE_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CHANGE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_FSSC_S_DIS_ATTR_MAIN-CHANGE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSSC_S_DIS_ATTR_MAIN-CHANGE_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CLOSING_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_FSSC_S_DIS_ATTR_MAIN-CLOSING_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSSC_S_DIS_ATTR_MAIN-CLOSING_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FIN_LOG_SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FSSC_S_DIS_ATTR_MAIN-FIN_LOG_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSSC_S_DIS_ATTR_MAIN-FIN_LOG_SYSTEM.
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_FSSC_S_DIS_ATTR_MAIN_STR, 
CASE_GUID TYPE STRING,
CASE_TYPE TYPE STRING,
EXT_KEY TYPE STRING,
EXT_REF TYPE STRING,
CREATED_BY TYPE STRING,
CREATE_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGE_TIME TYPE STRING,
CLOSED_BY TYPE STRING,
CLOSING_TIME TYPE STRING,
PLAN_END_DATE TYPE STRING,
PROCESSOR TYPE STRING,
RESPONSIBLE TYPE STRING,
CASE_TITLE TYPE STRING,
ESCAL_REASON TYPE STRING,
CATEGORY TYPE STRING,
PRIORITY TYPE STRING,
STAT_ORDERNO TYPE STRING,
STAT_PARA TYPE STRING,
REASON_CODE TYPE STRING,
FIN_RFC_CREATOR TYPE STRING,
FIN_COORDINATOR TYPE STRING,
FIN_ROOT_CCODE TYPE STRING,
FIN_DUE_DATE TYPE STRING,
FIN_ORIGINAL_AMT TYPE STRING,
FIN_DISPUTED_AMT TYPE STRING,
FIN_PAID_AMT TYPE STRING,
FIN_CREDITED_AMT TYPE STRING,
FIN_WRT_OFF_AMT TYPE STRING,
FIN_NOT_SOLV_AMT TYPE STRING,
FIN_DISPUTE_CURR TYPE STRING,
FIN_CUSTDISP_AMT TYPE STRING,
FIN_CUSTDISP_CUR TYPE STRING,
FIN_LOG_SYSTEM TYPE STRING,
FIN_CONTACT_NAME TYPE STRING,
FIN_CONTACT_MAIL TYPE STRING,
FIN_CONTACT_TEL TYPE STRING,
FIN_CONTACT_FAX TYPE STRING,
FIN_CONTACT_FAXC TYPE STRING,
FIN_CONTACT_KEY TYPE STRING,
FIN_KUNNR TYPE STRING,
FIN_BUKRS TYPE STRING,
FIN_ORIGIN TYPE STRING,
FIN_EXTAPPL_PRO TYPE STRING,
FIN_KUNNR_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FSSC_S_DIS_ATTR_MAIN_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_FSSC_S_DIS_ATTR_MAIN_STR-CASE_GUID sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CASE_TYPE sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-EXT_KEY sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-EXT_REF sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CREATED_BY sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CREATE_TIME sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CHANGED_BY sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CHANGE_TIME sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CLOSED_BY sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CLOSING_TIME sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-PLAN_END_DATE sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-PROCESSOR sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-RESPONSIBLE sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CASE_TITLE sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-ESCAL_REASON sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-CATEGORY sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-PRIORITY sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-STAT_ORDERNO sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-STAT_PARA sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-REASON_CODE sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_RFC_CREATOR sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_COORDINATOR sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_ROOT_CCODE sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_DUE_DATE sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_ORIGINAL_AMT sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_DISPUTED_AMT sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_PAID_AMT sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CREDITED_AMT sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_WRT_OFF_AMT sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_NOT_SOLV_AMT sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_DISPUTE_CURR sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CUSTDISP_AMT sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CUSTDISP_CUR sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_LOG_SYSTEM sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CONTACT_NAME sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CONTACT_MAIL sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CONTACT_TEL sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CONTACT_FAX sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CONTACT_FAXC sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_CONTACT_KEY sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_KUNNR sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_BUKRS sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_ORIGIN sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_EXTAPPL_PRO sy-vline 
WA_FSSC_S_DIS_ATTR_MAIN_STR-FIN_KUNNR_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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