ABAP Select data from SAP table TCORS_ALERT_CORRES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TCORS_ALERT_CORRES
*  INTO TABLE @DATA(IT_TCORS_ALERT_CORRES2).
*--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_TCORS_ALERT_CORRES INDEX 1 INTO DATA(WA_TCORS_ALERT_CORRES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TCORS_ALERT_CORRES>-COMPANY_CODE = 1.
<TCORS_ALERT_CORRES>-DEALNUMBER = 1.
<TCORS_ALERT_CORRES>-SEC_ACC = 1.
<TCORS_ALERT_CORRES>-CO_KEY = 1.
<TCORS_ALERT_CORRES>-CO_UUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TCORS_ALERT_CORRES-BPGROUP, sy-vline,
  WA_TCORS_ALERT_CORRES-PROFILE, sy-vline,
  WA_TCORS_ALERT_CORRES-RECIPIENT_TYPE, sy-vline,
  WA_TCORS_ALERT_CORRES-RECIPIENT, sy-vline,
  WA_TCORS_ALERT_CORRES-FUNCTION, sy-vline,
  WA_TCORS_ALERT_CORRES-CHANNEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TCORS_ALERT_CORRES 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_TCORS_ALERT_CORRES 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_TCORS_ALERT_CORRES INTO WA_TCORS_ALERT_CORRES.


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

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

*Conversion exit ALPHA, internal->external for field RECIPIENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TCORS_ALERT_CORRES-RECIPIENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TCORS_ALERT_CORRES-RECIPIENT.
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_TCORS_ALERT_CORRES_STR, 
COMPANY_CODE TYPE STRING,
DEALNUMBER TYPE STRING,
SEC_ACC TYPE STRING,
CO_KEY TYPE STRING,
CO_UUID TYPE STRING,
BPGROUP TYPE STRING,
PROFILE TYPE STRING,
RECIPIENT_TYPE TYPE STRING,
RECIPIENT TYPE STRING,
FUNCTION TYPE STRING,
CHANNEL TYPE STRING,
MESSAGE_FORMAT TYPE STRING,
DIRECTION TYPE STRING,
CRUSER TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
EXEC_DATE TYPE STRING,
EXEC_TIME TYPE STRING,
EXEC_USER TYPE STRING,
DELV_DATE TYPE STRING,
DELV_TIME TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TCORS_ALERT_CORRES_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_TCORS_ALERT_CORRES_STR-COMPANY_CODE sy-vline 
WA_TCORS_ALERT_CORRES_STR-DEALNUMBER sy-vline 
WA_TCORS_ALERT_CORRES_STR-SEC_ACC sy-vline 
WA_TCORS_ALERT_CORRES_STR-CO_KEY sy-vline 
WA_TCORS_ALERT_CORRES_STR-CO_UUID sy-vline 
WA_TCORS_ALERT_CORRES_STR-BPGROUP sy-vline 
WA_TCORS_ALERT_CORRES_STR-PROFILE sy-vline 
WA_TCORS_ALERT_CORRES_STR-RECIPIENT_TYPE sy-vline 
WA_TCORS_ALERT_CORRES_STR-RECIPIENT sy-vline 
WA_TCORS_ALERT_CORRES_STR-FUNCTION sy-vline 
WA_TCORS_ALERT_CORRES_STR-CHANNEL sy-vline 
WA_TCORS_ALERT_CORRES_STR-MESSAGE_FORMAT sy-vline 
WA_TCORS_ALERT_CORRES_STR-DIRECTION sy-vline 
WA_TCORS_ALERT_CORRES_STR-CRUSER sy-vline 
WA_TCORS_ALERT_CORRES_STR-DCRDAT sy-vline 
WA_TCORS_ALERT_CORRES_STR-TCRTIM sy-vline 
WA_TCORS_ALERT_CORRES_STR-EXEC_DATE sy-vline 
WA_TCORS_ALERT_CORRES_STR-EXEC_TIME sy-vline 
WA_TCORS_ALERT_CORRES_STR-EXEC_USER sy-vline 
WA_TCORS_ALERT_CORRES_STR-DELV_DATE sy-vline 
WA_TCORS_ALERT_CORRES_STR-DELV_TIME sy-vline 
WA_TCORS_ALERT_CORRES_STR-MSGTY sy-vline 
WA_TCORS_ALERT_CORRES_STR-MSGID sy-vline 
WA_TCORS_ALERT_CORRES_STR-MSGNO sy-vline 
WA_TCORS_ALERT_CORRES_STR-MSGV1 sy-vline 
WA_TCORS_ALERT_CORRES_STR-MSGV2 sy-vline 
WA_TCORS_ALERT_CORRES_STR-MSGV3 sy-vline 
WA_TCORS_ALERT_CORRES_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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