ABAP Select data from SAP table T7RUTS into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP T7RUTS 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 T7RUTS. 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 T7RUTS 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_T7RUTS TYPE STANDARD TABLE OF T7RUTS,
      WA_T7RUTS TYPE T7RUTS,
      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: <T7RUTS> TYPE T7RUTS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T7RUTS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T7RUTS
  INTO TABLE IT_T7RUTS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T7RUTS
*  INTO TABLE @DATA(IT_T7RUTS2).
*--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_T7RUTS INDEX 1 INTO DATA(WA_T7RUTS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T7RUTS ASSIGNING <T7RUTS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T7RUTS>-MANDT = 1.
<T7RUTS>-TYPE = 1.
<T7RUTS>-NAME = 1.
<T7RUTS>-OPER = 1.
<T7RUTS>-TSCD0 = 1.

ENDLOOP.

LOOP AT IT_T7RUTS INTO WA_T7RUTS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T7RUTS-ETYP1, sy-vline,
  WA_T7RUTS-ENAM1, sy-vline,
  WA_T7RUTS-TSCD1, sy-vline,
  WA_T7RUTS-ETYP2, sy-vline,
  WA_T7RUTS-ENAM2, sy-vline,
  WA_T7RUTS-TSCD2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T7RUTS 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_T7RUTS 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_T7RUTS INTO WA_T7RUTS.


*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_T7RUTS_STR, 
MANDT TYPE STRING,
TYPE TYPE STRING,
NAME TYPE STRING,
OPER TYPE STRING,
TSCD0 TYPE STRING,
ETYP1 TYPE STRING,
ENAM1 TYPE STRING,
TSCD1 TYPE STRING,
ETYP2 TYPE STRING,
ENAM2 TYPE STRING,
TSCD2 TYPE STRING,
ETYP3 TYPE STRING,
ENAM3 TYPE STRING,
TSCD3 TYPE STRING,
ETYP4 TYPE STRING,
ENAM4 TYPE STRING,
TSCD4 TYPE STRING,
ETYP5 TYPE STRING,
ENAM5 TYPE STRING,
TSCD5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T7RUTS_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_T7RUTS_STR-MANDT sy-vline 
WA_T7RUTS_STR-TYPE sy-vline 
WA_T7RUTS_STR-NAME sy-vline 
WA_T7RUTS_STR-OPER sy-vline 
WA_T7RUTS_STR-TSCD0 sy-vline 
WA_T7RUTS_STR-ETYP1 sy-vline 
WA_T7RUTS_STR-ENAM1 sy-vline 
WA_T7RUTS_STR-TSCD1 sy-vline 
WA_T7RUTS_STR-ETYP2 sy-vline 
WA_T7RUTS_STR-ENAM2 sy-vline 
WA_T7RUTS_STR-TSCD2 sy-vline 
WA_T7RUTS_STR-ETYP3 sy-vline 
WA_T7RUTS_STR-ENAM3 sy-vline 
WA_T7RUTS_STR-TSCD3 sy-vline 
WA_T7RUTS_STR-ETYP4 sy-vline 
WA_T7RUTS_STR-ENAM4 sy-vline 
WA_T7RUTS_STR-TSCD4 sy-vline 
WA_T7RUTS_STR-ETYP5 sy-vline 
WA_T7RUTS_STR-ENAM5 sy-vline 
WA_T7RUTS_STR-TSCD5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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