ABAP Select data from SAP table T7RO01P into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T7RO01P 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 T7RO01P. 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 T7RO01P 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_T7RO01P TYPE STANDARD TABLE OF T7RO01P,
      WA_T7RO01P TYPE T7RO01P,
      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: <T7RO01P> TYPE T7RO01P.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T7RO01P.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T7RO01P
  INTO TABLE IT_T7RO01P.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T7RO01P
*  INTO TABLE @DATA(IT_T7RO01P2).
*--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_T7RO01P INDEX 1 INTO DATA(WA_T7RO01P2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T7RO01P ASSIGNING <T7RO01P>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T7RO01P>-MANDT = 1.
<T7RO01P>-WERKS = 1.
<T7RO01P>-BTRTL = 1.
<T7RO01P>-INSU1 = 1.
<T7RO01P>-INSU2 = 1.

ENDLOOP.

LOOP AT IT_T7RO01P INTO WA_T7RO01P.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T7RO01P-INSU3, sy-vline,
  WA_T7RO01P-INSUA, sy-vline,
  WA_T7RO01P-INSUB, sy-vline,
  WA_T7RO01P-INSUC, sy-vline,
  WA_T7RO01P-INSUD, sy-vline,
  WA_T7RO01P-INSUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T7RO01P 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_T7RO01P 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_T7RO01P INTO WA_T7RO01P.


*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_T7RO01P_STR, 
MANDT TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
INSU1 TYPE STRING,
INSU2 TYPE STRING,
INSU3 TYPE STRING,
INSUA TYPE STRING,
INSUB TYPE STRING,
INSUC TYPE STRING,
INSUD TYPE STRING,
INSUE TYPE STRING,
INSUF TYPE STRING,
INSUG TYPE STRING,
INSUH TYPE STRING,
INSUI TYPE STRING,
INSUJ TYPE STRING,
INSUK TYPE STRING,
INSUL TYPE STRING,
GECOP TYPE STRING,
GEFUL TYPE STRING,
GEPRI TYPE STRING,
GESER TYPE STRING,
GEFTX TYPE STRING,
GRVA2 TYPE STRING,
STAT1 TYPE STRING,
ACTIV TYPE STRING,
STOCC TYPE STRING,
ST33S TYPE STRING,
ST33M TYPE STRING,
EEREG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T7RO01P_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_T7RO01P_STR-MANDT sy-vline 
WA_T7RO01P_STR-WERKS sy-vline 
WA_T7RO01P_STR-BTRTL sy-vline 
WA_T7RO01P_STR-INSU1 sy-vline 
WA_T7RO01P_STR-INSU2 sy-vline 
WA_T7RO01P_STR-INSU3 sy-vline 
WA_T7RO01P_STR-INSUA sy-vline 
WA_T7RO01P_STR-INSUB sy-vline 
WA_T7RO01P_STR-INSUC sy-vline 
WA_T7RO01P_STR-INSUD sy-vline 
WA_T7RO01P_STR-INSUE sy-vline 
WA_T7RO01P_STR-INSUF sy-vline 
WA_T7RO01P_STR-INSUG sy-vline 
WA_T7RO01P_STR-INSUH sy-vline 
WA_T7RO01P_STR-INSUI sy-vline 
WA_T7RO01P_STR-INSUJ sy-vline 
WA_T7RO01P_STR-INSUK sy-vline 
WA_T7RO01P_STR-INSUL sy-vline 
WA_T7RO01P_STR-GECOP sy-vline 
WA_T7RO01P_STR-GEFUL sy-vline 
WA_T7RO01P_STR-GEPRI sy-vline 
WA_T7RO01P_STR-GESER sy-vline 
WA_T7RO01P_STR-GEFTX sy-vline 
WA_T7RO01P_STR-GRVA2 sy-vline 
WA_T7RO01P_STR-STAT1 sy-vline 
WA_T7RO01P_STR-ACTIV sy-vline 
WA_T7RO01P_STR-STOCC sy-vline 
WA_T7RO01P_STR-ST33S sy-vline 
WA_T7RO01P_STR-ST33M sy-vline 
WA_T7RO01P_STR-EEREG sy-vline      INTO ld_text SEPARATED BY SPACE.

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