ABAP Select data from SAP table E1OIJTKTHE_O into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E1OIJTKTHE_O 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 E1OIJTKTHE_O. 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 E1OIJTKTHE_O 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_E1OIJTKTHE_O TYPE STANDARD TABLE OF E1OIJTKTHE_O,
      WA_E1OIJTKTHE_O TYPE E1OIJTKTHE_O,
      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: <E1OIJTKTHE_O> TYPE E1OIJTKTHE_O.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E1OIJTKTHE_O.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E1OIJTKTHE_O
  INTO TABLE IT_E1OIJTKTHE_O.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E1OIJTKTHE_O
*  INTO TABLE @DATA(IT_E1OIJTKTHE_O2).
*--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_E1OIJTKTHE_O INDEX 1 INTO DATA(WA_E1OIJTKTHE_O2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E1OIJTKTHE_O ASSIGNING <E1OIJTKTHE_O>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E1OIJTKTHE_O>-EVENT_NR = 1.
<E1OIJTKTHE_O>-TYPE = 1.
<E1OIJTKTHE_O>-DOC_TYPE = 1.
<E1OIJTKTHE_O>-EV_SEQ = 1.
<E1OIJTKTHE_O>-DOC_NUMBER = 1.

ENDLOOP.

LOOP AT IT_E1OIJTKTHE_O INTO WA_E1OIJTKTHE_O.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E1OIJTKTHE_O-SHITEM, sy-vline,
  WA_E1OIJTKTHE_O-STATUS, sy-vline,
  WA_E1OIJTKTHE_O-ACTUALSTARTFROM, sy-vline,
  WA_E1OIJTKTHE_O-ACTUALSTARTTO, sy-vline,
  WA_E1OIJTKTHE_O-ACTUALENDFROM, sy-vline,
  WA_E1OIJTKTHE_O-ACTUALENDTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E1OIJTKTHE_O 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_E1OIJTKTHE_O 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_E1OIJTKTHE_O INTO WA_E1OIJTKTHE_O.


*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_E1OIJTKTHE_O_STR, 
EVENT_NR TYPE STRING,
TYPE TYPE STRING,
DOC_TYPE TYPE STRING,
EV_SEQ TYPE STRING,
DOC_NUMBER TYPE STRING,
SHITEM TYPE STRING,
STATUS TYPE STRING,
ACTUALSTARTFROM TYPE STRING,
ACTUALSTARTTO TYPE STRING,
ACTUALENDFROM TYPE STRING,
ACTUALENDTO TYPE STRING,
CRE_NAME TYPE STRING,
CREATION TYPE STRING,
CHA_NAME TYPE STRING,
MODIFICATION TYPE STRING,
DEFAULTED TYPE STRING,
VEH_NR TYPE STRING,
TSRFO TYPE STRING,
DELIND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E1OIJTKTHE_O_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_E1OIJTKTHE_O_STR-EVENT_NR sy-vline 
WA_E1OIJTKTHE_O_STR-TYPE sy-vline 
WA_E1OIJTKTHE_O_STR-DOC_TYPE sy-vline 
WA_E1OIJTKTHE_O_STR-EV_SEQ sy-vline 
WA_E1OIJTKTHE_O_STR-DOC_NUMBER sy-vline 
WA_E1OIJTKTHE_O_STR-SHITEM sy-vline 
WA_E1OIJTKTHE_O_STR-STATUS sy-vline 
WA_E1OIJTKTHE_O_STR-ACTUALSTARTFROM sy-vline 
WA_E1OIJTKTHE_O_STR-ACTUALSTARTTO sy-vline 
WA_E1OIJTKTHE_O_STR-ACTUALENDFROM sy-vline 
WA_E1OIJTKTHE_O_STR-ACTUALENDTO sy-vline 
WA_E1OIJTKTHE_O_STR-CRE_NAME sy-vline 
WA_E1OIJTKTHE_O_STR-CREATION sy-vline 
WA_E1OIJTKTHE_O_STR-CHA_NAME sy-vline 
WA_E1OIJTKTHE_O_STR-MODIFICATION sy-vline 
WA_E1OIJTKTHE_O_STR-DEFAULTED sy-vline 
WA_E1OIJTKTHE_O_STR-VEH_NR sy-vline 
WA_E1OIJTKTHE_O_STR-TSRFO sy-vline 
WA_E1OIJTKTHE_O_STR-DELIND sy-vline      INTO ld_text SEPARATED BY SPACE.

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