ABAP Select data from SAP table V_T7XAS3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T7XAS3 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_T7XAS3. 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_T7XAS3 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_T7XAS3 TYPE STANDARD TABLE OF V_T7XAS3,
      WA_V_T7XAS3 TYPE V_T7XAS3,
      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_T7XAS3> TYPE V_T7XAS3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T7XAS3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T7XAS3
  INTO TABLE IT_V_T7XAS3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T7XAS3
*  INTO TABLE @DATA(IT_V_T7XAS32).
*--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_T7XAS3 INDEX 1 INTO DATA(WA_V_T7XAS32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T7XAS3 ASSIGNING <V_T7XAS3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T7XAS3>-MANDT = 1.
<V_T7XAS3>-BAREA = 1.
<V_T7XAS3>-CLPFM = 1.
<V_T7XAS3>-CLMNO = 1.
<V_T7XAS3>-PERUN = 1.

ENDLOOP.

LOOP AT IT_V_T7XAS3 INTO WA_V_T7XAS3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T7XAS3-SALIN, sy-vline,
  WA_V_T7XAS3-AGEIN, sy-vline,
  WA_V_T7XAS3-LOSIN, sy-vline,
  WA_V_T7XAS3-GENIN, sy-vline,
  WA_V_T7XAS3-CLPIN, sy-vline,
  WA_V_T7XAS3-CRGRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T7XAS3 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_T7XAS3 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_T7XAS3 INTO WA_V_T7XAS3.


*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_T7XAS3_STR, 
MANDT TYPE STRING,
BAREA TYPE STRING,
CLPFM TYPE STRING,
CLMNO TYPE STRING,
PERUN TYPE STRING,
SALIN TYPE STRING,
AGEIN TYPE STRING,
LOSIN TYPE STRING,
GENIN TYPE STRING,
CLPIN TYPE STRING,
CRGRP TYPE STRING,
SALMO TYPE STRING,
SALDY TYPE STRING,
AGEMO TYPE STRING,
AGEDY TYPE STRING,
SRVMO TYPE STRING,
SRVDY TYPE STRING,
DATTY TYPE STRING,
ENDTY TYPE STRING,
BSALM TYPE STRING,
BSALD TYPE STRING,
RESEM TYPE STRING,
RESED TYPE STRING,
CYPCT TYPE STRING,
USBYM TYPE STRING,
USBYD TYPE STRING,
PRORT TYPE STRING,
OVRCL TYPE STRING,
CRGTX TYPE STRING,
DATTX TYPE STRING,
CLPTX TYPE STRING,
PERUL TYPE STRING,
MOLGA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T7XAS3_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_T7XAS3_STR-MANDT sy-vline 
WA_V_T7XAS3_STR-BAREA sy-vline 
WA_V_T7XAS3_STR-CLPFM sy-vline 
WA_V_T7XAS3_STR-CLMNO sy-vline 
WA_V_T7XAS3_STR-PERUN sy-vline 
WA_V_T7XAS3_STR-SALIN sy-vline 
WA_V_T7XAS3_STR-AGEIN sy-vline 
WA_V_T7XAS3_STR-LOSIN sy-vline 
WA_V_T7XAS3_STR-GENIN sy-vline 
WA_V_T7XAS3_STR-CLPIN sy-vline 
WA_V_T7XAS3_STR-CRGRP sy-vline 
WA_V_T7XAS3_STR-SALMO sy-vline 
WA_V_T7XAS3_STR-SALDY sy-vline 
WA_V_T7XAS3_STR-AGEMO sy-vline 
WA_V_T7XAS3_STR-AGEDY sy-vline 
WA_V_T7XAS3_STR-SRVMO sy-vline 
WA_V_T7XAS3_STR-SRVDY sy-vline 
WA_V_T7XAS3_STR-DATTY sy-vline 
WA_V_T7XAS3_STR-ENDTY sy-vline 
WA_V_T7XAS3_STR-BSALM sy-vline 
WA_V_T7XAS3_STR-BSALD sy-vline 
WA_V_T7XAS3_STR-RESEM sy-vline 
WA_V_T7XAS3_STR-RESED sy-vline 
WA_V_T7XAS3_STR-CYPCT sy-vline 
WA_V_T7XAS3_STR-USBYM sy-vline 
WA_V_T7XAS3_STR-USBYD sy-vline 
WA_V_T7XAS3_STR-PRORT sy-vline 
WA_V_T7XAS3_STR-OVRCL sy-vline 
WA_V_T7XAS3_STR-CRGTX sy-vline 
WA_V_T7XAS3_STR-DATTX sy-vline 
WA_V_T7XAS3_STR-CLPTX sy-vline 
WA_V_T7XAS3_STR-PERUL sy-vline 
WA_V_T7XAS3_STR-MOLGA sy-vline      INTO ld_text SEPARATED BY SPACE.

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