ABAP Select data from SAP table /ISDFPS/S_BI_POSITION into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISDFPS/S_BI_POSITION 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 /ISDFPS/S_BI_POSITION. 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 /ISDFPS/S_BI_POSITION 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_/ISDFPS/S_BI_POSITION TYPE STANDARD TABLE OF /ISDFPS/S_BI_POSITION,
      WA_/ISDFPS/S_BI_POSITION TYPE /ISDFPS/S_BI_POSITION,
      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: </ISDFPS/S_BI_POSITION> TYPE /ISDFPS/S_BI_POSITION.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISDFPS/S_BI_POSITION
  INTO TABLE IT_/ISDFPS/S_BI_POSITION.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/S_BI_POSITION
*  INTO TABLE @DATA(IT_/ISDFPS/S_BI_POSITION2).
*--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_/ISDFPS/S_BI_POSITION INDEX 1 INTO DATA(WA_/ISDFPS/S_BI_POSITION2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISDFPS/S_BI_POSITION ASSIGNING </ISDFPS/S_BI_POSITION>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/S_BI_POSITION>-OBJID = 1.
</ISDFPS/S_BI_POSITION>-EMPLOYEE = 1.
</ISDFPS/S_BI_POSITION>-BEGDA = 1.
</ISDFPS/S_BI_POSITION>-ENDDA = 1.
</ISDFPS/S_BI_POSITION>-ISTAT = 1.

ENDLOOP.

LOOP AT IT_/ISDFPS/S_BI_POSITION INTO WA_/ISDFPS/S_BI_POSITION.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/S_BI_POSITION-LANGU, sy-vline,
  WA_/ISDFPS/S_BI_POSITION-AEDTM, sy-vline,
  WA_/ISDFPS/S_BI_POSITION-UNAME, sy-vline,
  WA_/ISDFPS/S_BI_POSITION-REASN, sy-vline,
  WA_/ISDFPS/S_BI_POSITION-SOBID_SE1, sy-vline,
  WA_/ISDFPS/S_BI_POSITION-VACAN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/S_BI_POSITION 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_/ISDFPS/S_BI_POSITION 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_/ISDFPS/S_BI_POSITION INTO WA_/ISDFPS/S_BI_POSITION.


*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.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/S_BI_POSITION-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/S_BI_POSITION-LANGU.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/ISDFPS/S_BI_POSITION_STR, 
OBJID TYPE STRING,
EMPLOYEE TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ISTAT TYPE STRING,
LANGU TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
SOBID_SE1 TYPE STRING,
VACAN TYPE STRING,
STATUS TYPE STRING,
RESRF TYPE STRING,
RESPO TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
REDUN TYPE STRING,
OWNER_NATION TYPE STRING,
SERVICE_ID TYPE STRING,
POS_AMOUNT TYPE STRING,
MGRP TYPE STRING,
SGRP TYPE STRING,
ADTKEY TYPE STRING,
SOBID_SE3 TYPE STRING,
MOAVG TYPE STRING,
SOBID_SE2 TYPE STRING,
PROZT TYPE STRING,
TIMSTMP TYPE STRING,
SOBID_SE4 TYPE STRING,
SOBID_SE5 TYPE STRING,
WEIGHTING_FACTOR TYPE STRING,
REQUIRED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/S_BI_POSITION_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_/ISDFPS/S_BI_POSITION_STR-OBJID sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-EMPLOYEE sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-BEGDA sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-ENDDA sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-ISTAT sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-LANGU sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-AEDTM sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-UNAME sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-REASN sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-SOBID_SE1 sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-VACAN sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-STATUS sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-RESRF sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-RESPO sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-PERSG sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-PERSK sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-REDUN sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-OWNER_NATION sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-SERVICE_ID sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-POS_AMOUNT sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-MGRP sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-SGRP sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-ADTKEY sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-SOBID_SE3 sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-MOAVG sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-SOBID_SE2 sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-PROZT sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-TIMSTMP sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-SOBID_SE4 sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-SOBID_SE5 sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-WEIGHTING_FACTOR sy-vline 
WA_/ISDFPS/S_BI_POSITION_STR-REQUIRED sy-vline      INTO ld_text SEPARATED BY SPACE.

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