ABAP Select data from SAP table CRMT_CMG_CASE_NOTE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_CMG_CASE_NOTE
*  INTO TABLE @DATA(IT_CRMT_CMG_CASE_NOTE2).
*--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_CRMT_CMG_CASE_NOTE INDEX 1 INTO DATA(WA_CRMT_CMG_CASE_NOTE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_CMG_CASE_NOTE>-CRM_NOTE_KEY = 1.
<CRMT_CMG_CASE_NOTE>-HEADER = 1.
<CRMT_CMG_CASE_NOTE>-TDOBJECT = 1.
<CRMT_CMG_CASE_NOTE>-TDNAME = 1.
<CRMT_CMG_CASE_NOTE>-TDID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_CMG_CASE_NOTE-TDSPRAS, sy-vline,
  WA_CRMT_CMG_CASE_NOTE-TDTITLE, sy-vline,
  WA_CRMT_CMG_CASE_NOTE-TDFORM, sy-vline,
  WA_CRMT_CMG_CASE_NOTE-TDSTYLE, sy-vline,
  WA_CRMT_CMG_CASE_NOTE-TDVERSION, sy-vline,
  WA_CRMT_CMG_CASE_NOTE-TDFUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_CMG_CASE_NOTE 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_CRMT_CMG_CASE_NOTE 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_CRMT_CMG_CASE_NOTE INTO WA_CRMT_CMG_CASE_NOTE.


*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 TDSPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_CMG_CASE_NOTE-TDSPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_CMG_CASE_NOTE-TDSPRAS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_CMG_CASE_NOTE-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_CMG_CASE_NOTE-LOGSYS.
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_CRMT_CMG_CASE_NOTE_STR, 
CRM_NOTE_KEY TYPE STRING,
HEADER TYPE STRING,
TDOBJECT TYPE STRING,
TDNAME TYPE STRING,
TDID TYPE STRING,
TDSPRAS TYPE STRING,
TDTITLE TYPE STRING,
TDFORM TYPE STRING,
TDSTYLE TYPE STRING,
TDVERSION TYPE STRING,
TDFUSER TYPE STRING,
TDFRELES TYPE STRING,
TDFDATE TYPE STRING,
TDFTIME TYPE STRING,
TDLUSER TYPE STRING,
TDLRELES TYPE STRING,
TDLDATE TYPE STRING,
TDLTIME TYPE STRING,
TDLINESIZE TYPE STRING,
TDTXTLINES TYPE STRING,
TDHYPHENAT TYPE STRING,
TDOSPRAS TYPE STRING,
TDTRANSTAT TYPE STRING,
TDMACODE1 TYPE STRING,
TDMACODE2 TYPE STRING,
TDREFOBJ TYPE STRING,
TDREFNAME TYPE STRING,
TDREFID TYPE STRING,
TDTEXTTYPE TYPE STRING,
TDCOMPRESS TYPE STRING,
MANDT TYPE STRING,
TDOCLASS TYPE STRING,
LOGSYS TYPE STRING,
FUNCTION TYPE STRING,
LINES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_CMG_CASE_NOTE_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_CRMT_CMG_CASE_NOTE_STR-CRM_NOTE_KEY sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-HEADER sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDOBJECT sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDNAME sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDID sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDSPRAS sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDTITLE sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDFORM sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDSTYLE sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDVERSION sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDFUSER sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDFRELES sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDFDATE sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDFTIME sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDLUSER sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDLRELES sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDLDATE sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDLTIME sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDLINESIZE sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDTXTLINES sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDHYPHENAT sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDOSPRAS sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDTRANSTAT sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDMACODE1 sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDMACODE2 sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDREFOBJ sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDREFNAME sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDREFID sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDTEXTTYPE sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDCOMPRESS sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-MANDT sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-TDOCLASS sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-LOGSYS sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-FUNCTION sy-vline 
WA_CRMT_CMG_CASE_NOTE_STR-LINES sy-vline      INTO ld_text SEPARATED BY SPACE.

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