ABAP Select data from SAP table LSO_CRP_SMM_UI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LSO_CRP_SMM_UI
*  INTO TABLE @DATA(IT_LSO_CRP_SMM_UI2).
*--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_LSO_CRP_SMM_UI INDEX 1 INTO DATA(WA_LSO_CRP_SMM_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LSO_CRP_SMM_UI>-GUID = 1.
<LSO_CRP_SMM_UI>-UNAME = 1.
<LSO_CRP_SMM_UI>-NOTIFGRP = 1.
<LSO_CRP_SMM_UI>-TEMPLATE = 1.
<LSO_CRP_SMM_UI>-RECIPIENT_ROLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LSO_CRP_SMM_UI-PLVARREC, sy-vline,
  WA_LSO_CRP_SMM_UI-OTYPEREC, sy-vline,
  WA_LSO_CRP_SMM_UI-SOBIDREC, sy-vline,
  WA_LSO_CRP_SMM_UI-PLVARTR, sy-vline,
  WA_LSO_CRP_SMM_UI-OTYPETR, sy-vline,
  WA_LSO_CRP_SMM_UI-OBJIDTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LSO_CRP_SMM_UI 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_LSO_CRP_SMM_UI 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_LSO_CRP_SMM_UI INTO WA_LSO_CRP_SMM_UI.


*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_LSO_CRP_SMM_UI_STR, 
GUID TYPE STRING,
UNAME TYPE STRING,
NOTIFGRP TYPE STRING,
TEMPLATE TYPE STRING,
RECIPIENT_ROLE TYPE STRING,
PLVARREC TYPE STRING,
OTYPEREC TYPE STRING,
SOBIDREC TYPE STRING,
PLVARTR TYPE STRING,
OTYPETR TYPE STRING,
OBJIDTR TYPE STRING,
PLVARUS TYPE STRING,
OTYPEUS TYPE STRING,
SOBIDUS TYPE STRING,
AUTOMATIC TYPE STRING,
NOTIFGRP_TXT TYPE STRING,
TEMPLATE_TXT TYPE STRING,
RECIPIENT_ROLE_TXT TYPE STRING,
RECIPIENT_OTYPE_TXT TYPE STRING,
RECIPIENT_NAME TYPE STRING,
TFORM TYPE STRING,
TFORM_TXT TYPE STRING,
TRAINING_TXT TYPE STRING,
TRAINING_BEGDA TYPE STRING,
TRAINING_ENDDA TYPE STRING,
USER_OTYPE_TXT TYPE STRING,
USERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LSO_CRP_SMM_UI_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_LSO_CRP_SMM_UI_STR-GUID sy-vline 
WA_LSO_CRP_SMM_UI_STR-UNAME sy-vline 
WA_LSO_CRP_SMM_UI_STR-NOTIFGRP sy-vline 
WA_LSO_CRP_SMM_UI_STR-TEMPLATE sy-vline 
WA_LSO_CRP_SMM_UI_STR-RECIPIENT_ROLE sy-vline 
WA_LSO_CRP_SMM_UI_STR-PLVARREC sy-vline 
WA_LSO_CRP_SMM_UI_STR-OTYPEREC sy-vline 
WA_LSO_CRP_SMM_UI_STR-SOBIDREC sy-vline 
WA_LSO_CRP_SMM_UI_STR-PLVARTR sy-vline 
WA_LSO_CRP_SMM_UI_STR-OTYPETR sy-vline 
WA_LSO_CRP_SMM_UI_STR-OBJIDTR sy-vline 
WA_LSO_CRP_SMM_UI_STR-PLVARUS sy-vline 
WA_LSO_CRP_SMM_UI_STR-OTYPEUS sy-vline 
WA_LSO_CRP_SMM_UI_STR-SOBIDUS sy-vline 
WA_LSO_CRP_SMM_UI_STR-AUTOMATIC sy-vline 
WA_LSO_CRP_SMM_UI_STR-NOTIFGRP_TXT sy-vline 
WA_LSO_CRP_SMM_UI_STR-TEMPLATE_TXT sy-vline 
WA_LSO_CRP_SMM_UI_STR-RECIPIENT_ROLE_TXT sy-vline 
WA_LSO_CRP_SMM_UI_STR-RECIPIENT_OTYPE_TXT sy-vline 
WA_LSO_CRP_SMM_UI_STR-RECIPIENT_NAME sy-vline 
WA_LSO_CRP_SMM_UI_STR-TFORM sy-vline 
WA_LSO_CRP_SMM_UI_STR-TFORM_TXT sy-vline 
WA_LSO_CRP_SMM_UI_STR-TRAINING_TXT sy-vline 
WA_LSO_CRP_SMM_UI_STR-TRAINING_BEGDA sy-vline 
WA_LSO_CRP_SMM_UI_STR-TRAINING_ENDDA sy-vline 
WA_LSO_CRP_SMM_UI_STR-USER_OTYPE_TXT sy-vline 
WA_LSO_CRP_SMM_UI_STR-USERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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