ABAP Select data from SAP table ICADISCASEATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICADISCASEATTR
*  INTO TABLE @DATA(IT_ICADISCASEATTR2).
*--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_ICADISCASEATTR INDEX 1 INTO DATA(WA_ICADISCASEATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICADISCASEATTR>-MANDT = 1.
<ICADISCASEATTR>-CASEUUID = 1.
<ICADISCASEATTR>-BUSINESSPARTNER = 1.
<ICADISCASEATTR>-CONTRACTACCOUNT = 1.
<ICADISCASEATTR>-CACONTRACT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICADISCASEATTR-CAAPPLICATIONAREA, sy-vline,
  WA_ICADISCASEATTR-CASUBAPPLICATION, sy-vline,
  WA_ICADISCASEATTR-DISPUTEDAMOUNT, sy-vline,
  WA_ICADISCASEATTR-TOTALRECEIVABLESAMOUNT, sy-vline,
  WA_ICADISCASEATTR-DISPUTECASECORRECTIONAMOUNT, sy-vline,
  WA_ICADISCASEATTR-DISPUTECASEREVERSEDAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICADISCASEATTR 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_ICADISCASEATTR 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_ICADISCASEATTR INTO WA_ICADISCASEATTR.


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

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

*Conversion exit ALPHA, internal->external for field LOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICADISCASEATTR-LOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICADISCASEATTR-LOGICALSYSTEM.
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_ICADISCASEATTR_STR, 
MANDT TYPE STRING,
CASEUUID TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CACONTRACT TYPE STRING,
CAAPPLICATIONAREA TYPE STRING,
CASUBAPPLICATION TYPE STRING,
DISPUTEDAMOUNT TYPE STRING,
TOTALRECEIVABLESAMOUNT TYPE STRING,
DISPUTECASECORRECTIONAMOUNT TYPE STRING,
DISPUTECASEREVERSEDAMOUNT TYPE STRING,
CREDITEDAMOUNT TYPE STRING,
WRITEOFFAMOUNT TYPE STRING,
DISPUTECASEREPLACEDAMOUNT TYPE STRING,
PAIDAMOUNT TYPE STRING,
CAREMAININGDISPUTEDAMOUNT TYPE STRING,
DISPUTECASECURRENCY TYPE STRING,
LOGICALSYSTEM TYPE STRING,
CADISPUTETYPE TYPE STRING,
COMPANYCODE TYPE STRING,
DISPUTECASECOORDINATOR TYPE STRING,
DISPUTECASEROOTCAUSE TYPE STRING,
CASEPROCESSINGDEADLINEDATE TYPE STRING,
CONTACTPERSONFULLNAME TYPE STRING,
CONTACTPERSONEMAILADDRESS TYPE STRING,
CONTACTPERSONPHONENUMBER TYPE STRING,
CONTACTPERSONFAXNUMBER TYPE STRING,
CONTACTPERSONFAXCOUNTRY TYPE STRING,
DISPUTECASEBPCORRESPONDENCEKEY TYPE STRING,
CASESYSTEMSTATUS TYPE STRING,
DISPUTECASEINFORMATIONTEXT TYPE STRING,
DISPUTECASETRANSACTIONDATE TYPE STRING,
CADISPUTECASE TYPE STRING,
DISPUTECASEORIGIN TYPE STRING,
CACASECONVERSIONSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICADISCASEATTR_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_ICADISCASEATTR_STR-MANDT sy-vline 
WA_ICADISCASEATTR_STR-CASEUUID sy-vline 
WA_ICADISCASEATTR_STR-BUSINESSPARTNER sy-vline 
WA_ICADISCASEATTR_STR-CONTRACTACCOUNT sy-vline 
WA_ICADISCASEATTR_STR-CACONTRACT sy-vline 
WA_ICADISCASEATTR_STR-CAAPPLICATIONAREA sy-vline 
WA_ICADISCASEATTR_STR-CASUBAPPLICATION sy-vline 
WA_ICADISCASEATTR_STR-DISPUTEDAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-TOTALRECEIVABLESAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASECORRECTIONAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASEREVERSEDAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-CREDITEDAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-WRITEOFFAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASEREPLACEDAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-PAIDAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-CAREMAININGDISPUTEDAMOUNT sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASECURRENCY sy-vline 
WA_ICADISCASEATTR_STR-LOGICALSYSTEM sy-vline 
WA_ICADISCASEATTR_STR-CADISPUTETYPE sy-vline 
WA_ICADISCASEATTR_STR-COMPANYCODE sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASECOORDINATOR sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASEROOTCAUSE sy-vline 
WA_ICADISCASEATTR_STR-CASEPROCESSINGDEADLINEDATE sy-vline 
WA_ICADISCASEATTR_STR-CONTACTPERSONFULLNAME sy-vline 
WA_ICADISCASEATTR_STR-CONTACTPERSONEMAILADDRESS sy-vline 
WA_ICADISCASEATTR_STR-CONTACTPERSONPHONENUMBER sy-vline 
WA_ICADISCASEATTR_STR-CONTACTPERSONFAXNUMBER sy-vline 
WA_ICADISCASEATTR_STR-CONTACTPERSONFAXCOUNTRY sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASEBPCORRESPONDENCEKEY sy-vline 
WA_ICADISCASEATTR_STR-CASESYSTEMSTATUS sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASEINFORMATIONTEXT sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASETRANSACTIONDATE sy-vline 
WA_ICADISCASEATTR_STR-CADISPUTECASE sy-vline 
WA_ICADISCASEATTR_STR-DISPUTECASEORIGIN sy-vline 
WA_ICADISCASEATTR_STR-CACASECONVERSIONSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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