ABAP Select data from SAP table ISU_BILL_CORR_CANCEL_LIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_BILL_CORR_CANCEL_LIST
*  INTO TABLE @DATA(IT_ISU_BILL_CORR_CANCEL_LIST2).
*--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_ISU_BILL_CORR_CANCEL_LIST INDEX 1 INTO DATA(WA_ISU_BILL_CORR_CANCEL_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_BILL_CORR_CANCEL_LIST>-STORNIERBAR = 1.
<ISU_BILL_CORR_CANCEL_LIST>-CANCEL = 1.
<ISU_BILL_CORR_CANCEL_LIST>-OPBEL = 1.
<ISU_BILL_CORR_CANCEL_LIST>-ADJ_CANCEL = 1.
<ISU_BILL_CORR_CANCEL_LIST>-BELNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_BILL_CORR_CANCEL_LIST-STATUS_TEXT, sy-vline,
  WA_ISU_BILL_CORR_CANCEL_LIST-STATUS, sy-vline,
  WA_ISU_BILL_CORR_CANCEL_LIST-DOCDATES, sy-vline,
  WA_ISU_BILL_CORR_CANCEL_LIST-DOCREASON, sy-vline,
  WA_ISU_BILL_CORR_CANCEL_LIST-GESAMTBTR, sy-vline,
  WA_ISU_BILL_CORR_CANCEL_LIST-TWAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_BILL_CORR_CANCEL_LIST 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_ISU_BILL_CORR_CANCEL_LIST 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_ISU_BILL_CORR_CANCEL_LIST INTO WA_ISU_BILL_CORR_CANCEL_LIST.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field NEXT_BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_BILL_CORR_CANCEL_LIST-NEXT_BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_BILL_CORR_CANCEL_LIST-NEXT_BELNR.
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_ISU_BILL_CORR_CANCEL_LIST_STR, 
STORNIERBAR TYPE STRING,
CANCEL TYPE STRING,
OPBEL TYPE STRING,
ADJ_CANCEL TYPE STRING,
BELNR TYPE STRING,
STATUS_TEXT TYPE STRING,
STATUS TYPE STRING,
DOCDATES TYPE STRING,
DOCREASON TYPE STRING,
GESAMTBTR TYPE STRING,
TWAERS TYPE STRING,
ABRSPERR TYPE STRING,
DUNNING TYPE STRING,
INTEREST TYPE STRING,
BUDAT TYPE STRING,
ERGRD TYPE STRING,
ERGRD_TEXT TYPE STRING,
SPARTE TYPE STRING,
SPARTEN_TEXT TYPE STRING,
FROM_DATE TYPE STRING,
TO_DATE TYPE STRING,
ABRVORG TYPE STRING,
ABRVORG_TEXT TYPE STRING,
ABRDATS TYPE STRING,
BP_BILL TYPE STRING,
ANLAGE TYPE STRING,
VERTRAG TYPE STRING,
VKONT TYPE STRING,
DOC_LINK TYPE STRING,
NO_DISPLAY TYPE STRING,
LINECOLOR TYPE STRING,
STYLE TYPE STRING,
CELLCOLOR TYPE STRING,
ERDAT TYPE STRING,
CREATION_TIME TYPE STRING,
AUSZDAT TYPE STRING,
NEXT_BELNR TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
QINFO_DUN TYPE STRING,
QINFO_INT TYPE STRING,
DOC_LINK_REMOTE TYPE STRING,
COLOGRP_INST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_BILL_CORR_CANCEL_LIST_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_ISU_BILL_CORR_CANCEL_LIST_STR-STORNIERBAR sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-CANCEL sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-OPBEL sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ADJ_CANCEL sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-BELNR sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-STATUS_TEXT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-STATUS sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-DOCDATES sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-DOCREASON sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-GESAMTBTR sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-TWAERS sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ABRSPERR sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-DUNNING sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-INTEREST sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-BUDAT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ERGRD sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ERGRD_TEXT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-SPARTE sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-SPARTEN_TEXT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-FROM_DATE sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-TO_DATE sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ABRVORG sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ABRVORG_TEXT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ABRDATS sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-BP_BILL sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ANLAGE sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-VERTRAG sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-VKONT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-DOC_LINK sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-NO_DISPLAY sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-LINECOLOR sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-STYLE sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-CELLCOLOR sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-ERDAT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-CREATION_TIME sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-AUSZDAT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-NEXT_BELNR sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-DATEFROM sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-TIMEFROM sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-QINFO_DUN sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-QINFO_INT sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-DOC_LINK_REMOTE sy-vline 
WA_ISU_BILL_CORR_CANCEL_LIST_STR-COLOGRP_INST sy-vline      INTO ld_text SEPARATED BY SPACE.

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