ABAP Select data from SAP table ESH_S_OM_OTYP_ALL_READ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_S_OM_OTYP_ALL_READ
*  INTO TABLE @DATA(IT_ESH_S_OM_OTYP_ALL_READ2).
*--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_ESH_S_OM_OTYP_ALL_READ INDEX 1 INTO DATA(WA_ESH_S_OM_OTYP_ALL_READ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_S_OM_OTYP_ALL_READ>-OTYP = 1.
<ESH_S_OM_OTYP_ALL_READ>-RELAT = 1.
<ESH_S_OM_OTYP_ALL_READ>-OTYPC = 1.
<ESH_S_OM_OTYP_ALL_READ>-OTYPD = 1.
<ESH_S_OM_OTYP_ALL_READ>-OTYPU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_S_OM_OTYP_ALL_READ-OTYPUF, sy-vline,
  WA_ESH_S_OM_OTYP_ALL_READ-OTYPUG, sy-vline,
  WA_ESH_S_OM_OTYP_ALL_READ-OTYPUGF, sy-vline,
  WA_ESH_S_OM_OTYP_ALL_READ-OTYPN, sy-vline,
  WA_ESH_S_OM_OTYP_ALL_READ-OTYPNF, sy-vline,
  WA_ESH_S_OM_OTYP_ALL_READ-OTYPNQ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_S_OM_OTYP_ALL_READ 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_ESH_S_OM_OTYP_ALL_READ 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_ESH_S_OM_OTYP_ALL_READ INTO WA_ESH_S_OM_OTYP_ALL_READ.


*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_ESH_S_OM_OTYP_ALL_READ_STR, 
OTYP TYPE STRING,
RELAT TYPE STRING,
OTYPC TYPE STRING,
OTYPD TYPE STRING,
OTYPU TYPE STRING,
OTYPUF TYPE STRING,
OTYPUG TYPE STRING,
OTYPUGF TYPE STRING,
OTYPN TYPE STRING,
OTYPNF TYPE STRING,
OTYPNQ TYPE STRING,
OTYPNQF TYPE STRING,
OTYPNQFC TYPE STRING,
OTYPNQD TYPE STRING,
OTYPNQDM TYPE STRING,
OTYPNRF TYPE STRING,
OTYPNCC TYPE STRING,
OTYPNCCL TYPE STRING,
OTYPNA TYPE STRING,
OTYPNAT TYPE STRING,
OTYPNAF TYPE STRING,
OTYPNGF TYPE STRING,
OTYPNGFF TYPE STRING,
OTYPNGFD TYPE STRING,
OTYPNRG TYPE STRING,
OTYPNRGF TYPE STRING,
OTYPNRGD TYPE STRING,
OTYPNRGU TYPE STRING,
OTYPNQG TYPE STRING,
OTYPNQGF TYPE STRING,
OTYPNQGD TYPE STRING,
OTYPNL TYPE STRING,
OTYPNRR TYPE STRING,
OTYPNRRF TYPE STRING,
OTYPNRRV TYPE STRING,
OTYPNRP TYPE STRING,
OTYPNRPF TYPE STRING,
OTYPNRPV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_S_OM_OTYP_ALL_READ_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_ESH_S_OM_OTYP_ALL_READ_STR-OTYP sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-RELAT sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPC sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPD sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPU sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPUF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPUG sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPUGF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPN sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQ sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQFC sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQD sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQDM sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNCC sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNCCL sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNA sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNAT sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNAF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNGF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNGFF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNGFD sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRG sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRGF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRGD sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRGU sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQG sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQGF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNQGD sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNL sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRR sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRRF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRRV sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRP sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRPF sy-vline 
WA_ESH_S_OM_OTYP_ALL_READ_STR-OTYPNRPV sy-vline      INTO ld_text SEPARATED BY SPACE.

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