ABAP Select data from SAP table CRMC_IC_EMAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMC_IC_EMAIL
*  INTO TABLE @DATA(IT_CRMC_IC_EMAIL2).
*--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_CRMC_IC_EMAIL INDEX 1 INTO DATA(WA_CRMC_IC_EMAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMC_IC_EMAIL>-CLIENT = 1.
<CRMC_IC_EMAIL>-PROFILE_ID = 1.
<CRMC_IC_EMAIL>-DEFAULTFROMGROUP = 1.
<CRMC_IC_EMAIL>-CUSTOMER = 1.
<CRMC_IC_EMAIL>-CONTACTPERSON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMC_IC_EMAIL-CONTACTRELATION, sy-vline,
  WA_CRMC_IC_EMAIL-ATTACHMAXSIZE, sy-vline,
  WA_CRMC_IC_EMAIL-SHOWINFOMESSAGES, sy-vline,
  WA_CRMC_IC_EMAIL-XMAILER, sy-vline,
  WA_CRMC_IC_EMAIL-MIMEVERSION, sy-vline,
  WA_CRMC_IC_EMAIL-REPLYTOADDRESS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMC_IC_EMAIL 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_CRMC_IC_EMAIL 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_CRMC_IC_EMAIL INTO WA_CRMC_IC_EMAIL.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CRMC_IC_EMAIL_STR, 
CLIENT TYPE STRING,
PROFILE_ID TYPE STRING,
DEFAULTFROMGROUP TYPE STRING,
CUSTOMER TYPE STRING,
CONTACTPERSON TYPE STRING,
CONTACTRELATION TYPE STRING,
ATTACHMAXSIZE TYPE STRING,
SHOWINFOMESSAGES TYPE STRING,
XMAILER TYPE STRING,
MIMEVERSION TYPE STRING,
REPLYTOADDRESS TYPE STRING,
ERRORSTOADDRESS TYPE STRING,
COMMENTS TYPE STRING,
SUCCESSNOTIFICAT TYPE STRING,
FAILURENOTIFICAT TYPE STRING,
PRINTSMARTFORMNM TYPE STRING,
EMAILPROVIDER TYPE STRING,
HTMLEDITOR TYPE STRING,
RESPONSEGROUP TYPE STRING,
GROUPWARE TYPE STRING,
TRACKTXTMAILFORM TYPE STRING,
TRACKTXTONREPLY TYPE STRING,
HIDEEDITORELEM TYPE STRING,
HTMLDISPLAY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMC_IC_EMAIL_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_CRMC_IC_EMAIL_STR-CLIENT sy-vline 
WA_CRMC_IC_EMAIL_STR-PROFILE_ID sy-vline 
WA_CRMC_IC_EMAIL_STR-DEFAULTFROMGROUP sy-vline 
WA_CRMC_IC_EMAIL_STR-CUSTOMER sy-vline 
WA_CRMC_IC_EMAIL_STR-CONTACTPERSON sy-vline 
WA_CRMC_IC_EMAIL_STR-CONTACTRELATION sy-vline 
WA_CRMC_IC_EMAIL_STR-ATTACHMAXSIZE sy-vline 
WA_CRMC_IC_EMAIL_STR-SHOWINFOMESSAGES sy-vline 
WA_CRMC_IC_EMAIL_STR-XMAILER sy-vline 
WA_CRMC_IC_EMAIL_STR-MIMEVERSION sy-vline 
WA_CRMC_IC_EMAIL_STR-REPLYTOADDRESS sy-vline 
WA_CRMC_IC_EMAIL_STR-ERRORSTOADDRESS sy-vline 
WA_CRMC_IC_EMAIL_STR-COMMENTS sy-vline 
WA_CRMC_IC_EMAIL_STR-SUCCESSNOTIFICAT sy-vline 
WA_CRMC_IC_EMAIL_STR-FAILURENOTIFICAT sy-vline 
WA_CRMC_IC_EMAIL_STR-PRINTSMARTFORMNM sy-vline 
WA_CRMC_IC_EMAIL_STR-EMAILPROVIDER sy-vline 
WA_CRMC_IC_EMAIL_STR-HTMLEDITOR sy-vline 
WA_CRMC_IC_EMAIL_STR-RESPONSEGROUP sy-vline 
WA_CRMC_IC_EMAIL_STR-GROUPWARE sy-vline 
WA_CRMC_IC_EMAIL_STR-TRACKTXTMAILFORM sy-vline 
WA_CRMC_IC_EMAIL_STR-TRACKTXTONREPLY sy-vline 
WA_CRMC_IC_EMAIL_STR-HIDEEDITORELEM sy-vline 
WA_CRMC_IC_EMAIL_STR-HTMLDISPLAY sy-vline      INTO ld_text SEPARATED BY SPACE.

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