ABAP Select data from SAP table V_T5ITEA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T5ITEA 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 V_T5ITEA. 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 V_T5ITEA 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_V_T5ITEA TYPE STANDARD TABLE OF V_T5ITEA,
      WA_V_T5ITEA TYPE V_T5ITEA,
      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: <V_T5ITEA> TYPE V_T5ITEA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T5ITEA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T5ITEA
  INTO TABLE IT_V_T5ITEA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T5ITEA
*  INTO TABLE @DATA(IT_V_T5ITEA2).
*--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_V_T5ITEA INDEX 1 INTO DATA(WA_V_T5ITEA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T5ITEA ASSIGNING <V_T5ITEA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T5ITEA>-MANDT = 1.
<V_T5ITEA>-CDMOD = 1.
<V_T5ITEA>-CDQUA = 1.
<V_T5ITEA>-CD770 = 1.
<V_T5ITEA>-TX770 = 1.

ENDLOOP.

LOOP AT IT_V_T5ITEA INTO WA_V_T5ITEA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T5ITEA-ENDDA, sy-vline,
  WA_V_T5ITEA-BEGDA, sy-vline,
  WA_V_T5ITEA-TP770, sy-vline,
  WA_V_T5ITEA-FLPOS, sy-vline,
  WA_V_T5ITEA-LUNAS, sy-vline,
  WA_V_T5ITEA-ALLIN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T5ITEA 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_V_T5ITEA 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_V_T5ITEA INTO WA_V_T5ITEA.


*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_V_T5ITEA_STR, 
MANDT TYPE STRING,
CDMOD TYPE STRING,
CDQUA TYPE STRING,
CD770 TYPE STRING,
TX770 TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
TP770 TYPE STRING,
FLPOS TYPE STRING,
LUNAS TYPE STRING,
ALLIN TYPE STRING,
CDARR TYPE STRING,
TRONC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T5ITEA_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_V_T5ITEA_STR-MANDT sy-vline 
WA_V_T5ITEA_STR-CDMOD sy-vline 
WA_V_T5ITEA_STR-CDQUA sy-vline 
WA_V_T5ITEA_STR-CD770 sy-vline 
WA_V_T5ITEA_STR-TX770 sy-vline 
WA_V_T5ITEA_STR-ENDDA sy-vline 
WA_V_T5ITEA_STR-BEGDA sy-vline 
WA_V_T5ITEA_STR-TP770 sy-vline 
WA_V_T5ITEA_STR-FLPOS sy-vline 
WA_V_T5ITEA_STR-LUNAS sy-vline 
WA_V_T5ITEA_STR-ALLIN sy-vline 
WA_V_T5ITEA_STR-CDARR sy-vline 
WA_V_T5ITEA_STR-TRONC sy-vline      INTO ld_text SEPARATED BY SPACE.

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