ABAP Select data from SAP table /SRMSMC/S_OM_OAD_REQUEST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SRMSMC/S_OM_OAD_REQUEST 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 /SRMSMC/S_OM_OAD_REQUEST. 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 /SRMSMC/S_OM_OAD_REQUEST 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_/SRMSMC/S_OM_OAD_REQUEST TYPE STANDARD TABLE OF /SRMSMC/S_OM_OAD_REQUEST,
      WA_/SRMSMC/S_OM_OAD_REQUEST TYPE /SRMSMC/S_OM_OAD_REQUEST,
      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: </SRMSMC/S_OM_OAD_REQUEST> TYPE /SRMSMC/S_OM_OAD_REQUEST.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SRMSMC/S_OM_OAD_REQUEST
  INTO TABLE IT_/SRMSMC/S_OM_OAD_REQUEST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SRMSMC/S_OM_OAD_REQUEST
*  INTO TABLE @DATA(IT_/SRMSMC/S_OM_OAD_REQUEST2).
*--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_/SRMSMC/S_OM_OAD_REQUEST INDEX 1 INTO DATA(WA_/SRMSMC/S_OM_OAD_REQUEST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SRMSMC/S_OM_OAD_REQUEST ASSIGNING </SRMSMC/S_OM_OAD_REQUEST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SRMSMC/S_OM_OAD_REQUEST>-NODES_TO_PROCESS = 1.
</SRMSMC/S_OM_OAD_REQUEST>-BO_NAME = 1.
</SRMSMC/S_OM_OAD_REQUEST>-BO_KEY = 1.
</SRMSMC/S_OM_OAD_REQUEST>-BO_NODE_ID = 1.
</SRMSMC/S_OM_OAD_REQUEST>-ACTOR = 1.

ENDLOOP.

LOOP AT IT_/SRMSMC/S_OM_OAD_REQUEST INTO WA_/SRMSMC/S_OM_OAD_REQUEST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SRMSMC/S_OM_OAD_REQUEST-ACTOR_TYPE, sy-vline,
  WA_/SRMSMC/S_OM_OAD_REQUEST-ACTOR_ID, sy-vline,
  WA_/SRMSMC/S_OM_OAD_REQUEST-RECEIVER, sy-vline,
  WA_/SRMSMC/S_OM_OAD_REQUEST-CHANNEL, sy-vline,
  WA_/SRMSMC/S_OM_OAD_REQUEST-TECH_DEST, sy-vline,
  WA_/SRMSMC/S_OM_OAD_REQUEST-RECEIVER_LANGU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SRMSMC/S_OM_OAD_REQUEST 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_/SRMSMC/S_OM_OAD_REQUEST 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_/SRMSMC/S_OM_OAD_REQUEST INTO WA_/SRMSMC/S_OM_OAD_REQUEST.


*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 RECEIVER_LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SRMSMC/S_OM_OAD_REQUEST-RECEIVER_LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMSMC/S_OM_OAD_REQUEST-RECEIVER_LANGU.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SXIDN, internal->external for field SMTP_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/SRMSMC/S_OM_OAD_REQUEST-SMTP_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SRMSMC/S_OM_OAD_REQUEST-SMTP_ADDR.
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_/SRMSMC/S_OM_OAD_REQUEST_STR, 
NODES_TO_PROCESS TYPE STRING,
BO_NAME TYPE STRING,
BO_KEY TYPE STRING,
BO_NODE_ID TYPE STRING,
ACTOR TYPE STRING,
ACTOR_TYPE TYPE STRING,
ACTOR_ID TYPE STRING,
RECEIVER TYPE STRING,
CHANNEL TYPE STRING,
TECH_DEST TYPE STRING,
RECEIVER_LANGU TYPE STRING,
OPERATION TYPE STRING,
RECIPIENT TYPE STRING,
USERID TYPE STRING,
COM_TYPE TYPE STRING,
COM_COUNTRY TYPE STRING,
LANGU TYPE STRING,
FAX_NMBR TYPE STRING,
SMTP_ADDR TYPE STRING,
SMS_SERVICE TYPE STRING,
SMS_NUMBER TYPE STRING,
EXPRESS TYPE STRING,
CC TYPE STRING,
BCC TYPE STRING,
NO_FORWARD TYPE STRING,
SENDER TYPE STRING,
MAIL_FORMAT TYPE STRING,
MAIL_BODY TYPE STRING,
ATTACHMENT TYPE STRING,
SUBJECT TYPE STRING,
MAIL_BODY_NEW TYPE STRING,
MAIL_BODY_HTML TYPE STRING,
MAIL_BODY_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SRMSMC/S_OM_OAD_REQUEST_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_/SRMSMC/S_OM_OAD_REQUEST_STR-NODES_TO_PROCESS sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-BO_NAME sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-BO_KEY sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-BO_NODE_ID sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-ACTOR sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-ACTOR_TYPE sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-ACTOR_ID sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-RECEIVER sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-CHANNEL sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-TECH_DEST sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-RECEIVER_LANGU sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-OPERATION sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-RECIPIENT sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-USERID sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-COM_TYPE sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-COM_COUNTRY sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-LANGU sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-FAX_NMBR sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-SMTP_ADDR sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-SMS_SERVICE sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-SMS_NUMBER sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-EXPRESS sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-CC sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-BCC sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-NO_FORWARD sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-SENDER sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-MAIL_FORMAT sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-MAIL_BODY sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-ATTACHMENT sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-SUBJECT sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-MAIL_BODY_NEW sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-MAIL_BODY_HTML sy-vline 
WA_/SRMSMC/S_OM_OAD_REQUEST_STR-MAIL_BODY_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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