ABAP Select data from SAP table /IBX/S_S_CNTRCHG_D_CIR_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IBX/S_S_CNTRCHG_D_CIR_ALV
*  INTO TABLE @DATA(IT_/IBX/S_S_CNTRCHG_D_CIR_ALV2).
*--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_/IBX/S_S_CNTRCHG_D_CIR_ALV INDEX 1 INTO DATA(WA_/IBX/S_S_CNTRCHG_D_CIR_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IBX/S_S_CNTRCHG_D_CIR_ALV>-CLIENT = 1.
</IBX/S_S_CNTRCHG_D_CIR_ALV>-CNTRCHG_ID = 1.
</IBX/S_S_CNTRCHG_D_CIR_ALV>-BEWME = 1.
</IBX/S_S_CNTRCHG_D_CIR_ALV>-MODID = 1.
</IBX/S_S_CNTRCHG_D_CIR_ALV>-LIBUE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-VERTV, sy-vline,
  WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-RBDID, sy-vline,
  WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-PDAVS, sy-vline,
  WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-PRODA, sy-vline,
  WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-VKREF, sy-vline,
  WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-PARTV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IBX/S_S_CNTRCHG_D_CIR_ALV 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_/IBX/S_S_CNTRCHG_D_CIR_ALV 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_/IBX/S_S_CNTRCHG_D_CIR_ALV INTO WA_/IBX/S_S_CNTRCHG_D_CIR_ALV.


*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 PARTV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-PARTV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-PARTV.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field STATUS_USER2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-STATUS_USER2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IBX/S_S_CNTRCHG_D_CIR_ALV-STATUS_USER2.
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_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR, 
CLIENT TYPE STRING,
CNTRCHG_ID TYPE STRING,
BEWME TYPE STRING,
MODID TYPE STRING,
LIBUE TYPE STRING,
VERTV TYPE STRING,
RBDID TYPE STRING,
PDAVS TYPE STRING,
PRODA TYPE STRING,
VKREF TYPE STRING,
PARTV TYPE STRING,
FINRV TYPE STRING,
CONTR_DATE_FROM TYPE STRING,
CONTR_DATE_TO TYPE STRING,
INITIAL_RATING TYPE STRING,
INITIAL_PD_RATE TYPE STRING,
IS_POCI_ASSET TYPE STRING,
IS_DEACTIVATED TYPE STRING,
CONTRACT_ID TYPE STRING,
UNWINDING_IK_FROM TYPE STRING,
STATUS_ID TYPE STRING,
STATUS_ID_PREV_CHNG TYPE STRING,
REL_STATE_TXT TYPE STRING,
HANDLE_STYLE TYPE STRING,
TCODE TYPE STRING,
CHANGE_TIME_STAMP TYPE STRING,
STATUS_USER2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_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_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-CLIENT sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-CNTRCHG_ID sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-BEWME sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-MODID sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-LIBUE sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-VERTV sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-RBDID sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-PDAVS sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-PRODA sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-VKREF sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-PARTV sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-FINRV sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-CONTR_DATE_FROM sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-CONTR_DATE_TO sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-INITIAL_RATING sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-INITIAL_PD_RATE sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-IS_POCI_ASSET sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-IS_DEACTIVATED sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-CONTRACT_ID sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-UNWINDING_IK_FROM sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-STATUS_ID sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-STATUS_ID_PREV_CHNG sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-REL_STATE_TXT sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-HANDLE_STYLE sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-TCODE sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-CHANGE_TIME_STAMP sy-vline 
WA_/IBX/S_S_CNTRCHG_D_CIR_ALV_STR-STATUS_USER2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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