ABAP Select data from SAP table TTED_OEXEMP_COM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TTED_OEXEMP_COM
*  INTO TABLE @DATA(IT_TTED_OEXEMP_COM2).
*--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_TTED_OEXEMP_COM INDEX 1 INTO DATA(WA_TTED_OEXEMP_COM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TTED_OEXEMP_COM>-CLIENT = 1.
<TTED_OEXEMP_COM>-COUNTRY = 1.
<TTED_OEXEMP_COM>-DOCUMENTNAME = 1.
<TTED_OEXEMP_COM>-ITEMNODEID = 1.
<TTED_OEXEMP_COM>-INEXEMPNODEID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TTED_OEXEMP_COM-EXEMPTIONID, sy-vline,
  WA_TTED_OEXEMP_COM-TAXTYPE, sy-vline,
  WA_TTED_OEXEMP_COM-EXEMPTIONTYPE, sy-vline,
  WA_TTED_OEXEMP_COM-EXEMPTIONCLASS, sy-vline,
  WA_TTED_OEXEMP_COM-LICENSE, sy-vline,
  WA_TTED_OEXEMP_COM-OWNERPARTNERID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TTED_OEXEMP_COM 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_TTED_OEXEMP_COM 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_TTED_OEXEMP_COM INTO WA_TTED_OEXEMP_COM.


*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_TTED_OEXEMP_COM_STR, 
CLIENT TYPE STRING,
COUNTRY TYPE STRING,
DOCUMENTNAME TYPE STRING,
ITEMNODEID TYPE STRING,
INEXEMPNODEID TYPE STRING,
EXEMPTIONID TYPE STRING,
TAXTYPE TYPE STRING,
EXEMPTIONTYPE TYPE STRING,
EXEMPTIONCLASS TYPE STRING,
LICENSE TYPE STRING,
OWNERPARTNERID TYPE STRING,
ISSUINGAUTHORITY TYPE STRING,
ISSUINGDATE TYPE STRING,
REASONCODE TYPE STRING,
TRMODE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
FOLLOWONLIC TYPE STRING,
CALCTYPE TYPE STRING,
EXEMPRATE TYPE STRING,
CURRENCYUNIT TYPE STRING,
BASEQUANTITY TYPE STRING,
BASEQUANUNIT TYPE STRING,
CUMULATEDAMOUNT TYPE STRING,
CUMULATIONMAX TYPE STRING,
TOPUPAMOUNT TYPE STRING,
CUMCURRUNIT TYPE STRING,
EXEMPQUANTITY TYPE STRING,
CUMQUANTITY TYPE STRING,
CUMMAXQUANTITY TYPE STRING,
TOPUPQUANTITY TYPE STRING,
QUANUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TTED_OEXEMP_COM_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_TTED_OEXEMP_COM_STR-CLIENT sy-vline 
WA_TTED_OEXEMP_COM_STR-COUNTRY sy-vline 
WA_TTED_OEXEMP_COM_STR-DOCUMENTNAME sy-vline 
WA_TTED_OEXEMP_COM_STR-ITEMNODEID sy-vline 
WA_TTED_OEXEMP_COM_STR-INEXEMPNODEID sy-vline 
WA_TTED_OEXEMP_COM_STR-EXEMPTIONID sy-vline 
WA_TTED_OEXEMP_COM_STR-TAXTYPE sy-vline 
WA_TTED_OEXEMP_COM_STR-EXEMPTIONTYPE sy-vline 
WA_TTED_OEXEMP_COM_STR-EXEMPTIONCLASS sy-vline 
WA_TTED_OEXEMP_COM_STR-LICENSE sy-vline 
WA_TTED_OEXEMP_COM_STR-OWNERPARTNERID sy-vline 
WA_TTED_OEXEMP_COM_STR-ISSUINGAUTHORITY sy-vline 
WA_TTED_OEXEMP_COM_STR-ISSUINGDATE sy-vline 
WA_TTED_OEXEMP_COM_STR-REASONCODE sy-vline 
WA_TTED_OEXEMP_COM_STR-TRMODE sy-vline 
WA_TTED_OEXEMP_COM_STR-VALIDFROM sy-vline 
WA_TTED_OEXEMP_COM_STR-VALIDTO sy-vline 
WA_TTED_OEXEMP_COM_STR-FOLLOWONLIC sy-vline 
WA_TTED_OEXEMP_COM_STR-CALCTYPE sy-vline 
WA_TTED_OEXEMP_COM_STR-EXEMPRATE sy-vline 
WA_TTED_OEXEMP_COM_STR-CURRENCYUNIT sy-vline 
WA_TTED_OEXEMP_COM_STR-BASEQUANTITY sy-vline 
WA_TTED_OEXEMP_COM_STR-BASEQUANUNIT sy-vline 
WA_TTED_OEXEMP_COM_STR-CUMULATEDAMOUNT sy-vline 
WA_TTED_OEXEMP_COM_STR-CUMULATIONMAX sy-vline 
WA_TTED_OEXEMP_COM_STR-TOPUPAMOUNT sy-vline 
WA_TTED_OEXEMP_COM_STR-CUMCURRUNIT sy-vline 
WA_TTED_OEXEMP_COM_STR-EXEMPQUANTITY sy-vline 
WA_TTED_OEXEMP_COM_STR-CUMQUANTITY sy-vline 
WA_TTED_OEXEMP_COM_STR-CUMMAXQUANTITY sy-vline 
WA_TTED_OEXEMP_COM_STR-TOPUPQUANTITY sy-vline 
WA_TTED_OEXEMP_COM_STR-QUANUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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