ABAP Select data from SAP table T5ITR8 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5ITR8 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 T5ITR8. 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 T5ITR8 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_T5ITR8 TYPE STANDARD TABLE OF T5ITR8,
      WA_T5ITR8 TYPE T5ITR8,
      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: <T5ITR8> TYPE T5ITR8.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5ITR8.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5ITR8
  INTO TABLE IT_T5ITR8.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5ITR8
*  INTO TABLE @DATA(IT_T5ITR82).
*--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_T5ITR8 INDEX 1 INTO DATA(WA_T5ITR82).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5ITR8 ASSIGNING <T5ITR8>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5ITR8>-MANDT = 1.
<T5ITR8>-CDCTR = 1.
<T5ITR8>-PROGR = 1.
<T5ITR8>-ENDDA = 1.
<T5ITR8>-BEGDA = 1.

ENDLOOP.

LOOP AT IT_T5ITR8 INTO WA_T5ITR8.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5ITR8-REGIO, sy-vline,
  WA_T5ITR8-CDTRE, sy-vline,
  WA_T5ITR8-GRCTR, sy-vline,
  WA_T5ITR8-WTIML, sy-vline,
  WA_T5ITR8-WTARD, sy-vline,
  WA_T5ITR8-WTART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T5ITR8 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_T5ITR8 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_T5ITR8 INTO WA_T5ITR8.


*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_T5ITR8_STR, 
MANDT TYPE STRING,
CDCTR TYPE STRING,
PROGR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
REGIO TYPE STRING,
CDTRE TYPE STRING,
GRCTR TYPE STRING,
WTIML TYPE STRING,
WTARD TYPE STRING,
WTART TYPE STRING,
WTCAD TYPE STRING,
WTPAY TYPE STRING,
WTPCY TYPE STRING,
WTPCD TYPE STRING,
WTPCA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5ITR8_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_T5ITR8_STR-MANDT sy-vline 
WA_T5ITR8_STR-CDCTR sy-vline 
WA_T5ITR8_STR-PROGR sy-vline 
WA_T5ITR8_STR-ENDDA sy-vline 
WA_T5ITR8_STR-BEGDA sy-vline 
WA_T5ITR8_STR-REGIO sy-vline 
WA_T5ITR8_STR-CDTRE sy-vline 
WA_T5ITR8_STR-GRCTR sy-vline 
WA_T5ITR8_STR-WTIML sy-vline 
WA_T5ITR8_STR-WTARD sy-vline 
WA_T5ITR8_STR-WTART sy-vline 
WA_T5ITR8_STR-WTCAD sy-vline 
WA_T5ITR8_STR-WTPAY sy-vline 
WA_T5ITR8_STR-WTPCY sy-vline 
WA_T5ITR8_STR-WTPCD sy-vline 
WA_T5ITR8_STR-WTPCA sy-vline      INTO ld_text SEPARATED BY SPACE.

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