ABAP Select data from SAP table FKK_COL_S_CORR_SELECTED_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_COL_S_CORR_SELECTED_DATA
*  INTO TABLE @DATA(IT_FKK_COL_S_CORR_SELECTED_DATA2).
*--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_FKK_COL_S_CORR_SELECTED_DATA INDEX 1 INTO DATA(WA_FKK_COL_S_CORR_SELECTED_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_COL_S_CORR_SELECTED_DATA>-SPRAS = 1.
<FKK_COL_S_CORR_SELECTED_DATA>-COTYP = 1.
<FKK_COL_S_CORR_SELECTED_DATA>-COTXT = 1.
<FKK_COL_S_CORR_SELECTED_DATA>-BOBF_KEY = 1.
<FKK_COL_S_CORR_SELECTED_DATA>-PARTNER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_COL_S_CORR_SELECTED_DATA-CONTRACT_ACCOUNT_NO, sy-vline,
  WA_FKK_COL_S_CORR_SELECTED_DATA-CONTRACT_NO, sy-vline,
  WA_FKK_COL_S_CORR_SELECTED_DATA-ADDRNUMBER, sy-vline,
  WA_FKK_COL_S_CORR_SELECTED_DATA-ADDR_DESCR, sy-vline,
  WA_FKK_COL_S_CORR_SELECTED_DATA-BU_DESCRIPTION, sy-vline,
  WA_FKK_COL_S_CORR_SELECTED_DATA-CONTRACT_ACCOUNT_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_COL_S_CORR_SELECTED_DATA 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_FKK_COL_S_CORR_SELECTED_DATA 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_FKK_COL_S_CORR_SELECTED_DATA INTO WA_FKK_COL_S_CORR_SELECTED_DATA.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_COL_S_CORR_SELECTED_DATA-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_COL_S_CORR_SELECTED_DATA-SPRAS.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field DOCUMENT_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_COL_S_CORR_SELECTED_DATA-DOCUMENT_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_COL_S_CORR_SELECTED_DATA-DOCUMENT_NO.
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_FKK_COL_S_CORR_SELECTED_DATA_STR, 
SPRAS TYPE STRING,
COTYP TYPE STRING,
COTXT TYPE STRING,
BOBF_KEY TYPE STRING,
PARTNER TYPE STRING,
CONTRACT_ACCOUNT_NO TYPE STRING,
CONTRACT_NO TYPE STRING,
ADDRNUMBER TYPE STRING,
ADDR_DESCR TYPE STRING,
BU_DESCRIPTION TYPE STRING,
CONTRACT_ACCOUNT_NAME TYPE STRING,
CONTRACT_NAME TYPE STRING,
TYPE TYPE STRING,
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
OBJECT_NO TYPE STRING,
DESCRIPTION TYPE STRING,
DESCRIPTION_U TYPE STRING,
PROCESS_TYPE TYPE STRING,
BUKRS TYPE STRING,
OBJNR TYPE STRING,
LAST_USED_DOC_NO TYPE STRING,
ARCHIVING_STATUS TYPE STRING,
CREA_DATE_TIME TYPE STRING,
CREA_UNAME TYPE STRING,
LCHG_DATE_TIME TYPE STRING,
LCHG_UNAME TYPE STRING,
COL_OBJ_EI_DUMMY TYPE STRING,
BUTXT TYPE STRING,
PROCESS_TYPE_DESCRIPTION TYPE STRING,
CURRENCY TYPE STRING,
COL_OBJ_EIT_DUMMY TYPE STRING,
DOCUMENT_NO TYPE STRING,
DOC_DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_COL_S_CORR_SELECTED_DATA_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_FKK_COL_S_CORR_SELECTED_DATA_STR-SPRAS sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-COTYP sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-COTXT sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-BOBF_KEY sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-PARTNER sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-CONTRACT_ACCOUNT_NO sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-CONTRACT_NO sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-ADDRNUMBER sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-ADDR_DESCR sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-BU_DESCRIPTION sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-CONTRACT_ACCOUNT_NAME sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-CONTRACT_NAME sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-TYPE sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-KEY sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-PARENT_KEY sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-ROOT_KEY sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-OBJECT_NO sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-DESCRIPTION sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-DESCRIPTION_U sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-PROCESS_TYPE sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-BUKRS sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-OBJNR sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-LAST_USED_DOC_NO sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-ARCHIVING_STATUS sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-CREA_DATE_TIME sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-CREA_UNAME sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-LCHG_DATE_TIME sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-LCHG_UNAME sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-COL_OBJ_EI_DUMMY sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-BUTXT sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-PROCESS_TYPE_DESCRIPTION sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-CURRENCY sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-COL_OBJ_EIT_DUMMY sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-DOCUMENT_NO sy-vline 
WA_FKK_COL_S_CORR_SELECTED_DATA_STR-DOC_DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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