ABAP Select data from SAP table /ISDFPS/S_BI_ACTVY 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_ACTVY 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_ACTVY. 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_ACTVY 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_ACTVY TYPE STANDARD TABLE OF /ISDFPS/S_BI_ACTVY,
      WA_/ISDFPS/S_BI_ACTVY TYPE /ISDFPS/S_BI_ACTVY,
      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_ACTVY> TYPE /ISDFPS/S_BI_ACTVY.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/S_BI_ACTVY
*  INTO TABLE @DATA(IT_/ISDFPS/S_BI_ACTVY2).
*--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_ACTVY INDEX 1 INTO DATA(WA_/ISDFPS/S_BI_ACTVY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/S_BI_ACTVY>-POSID = 1.
</ISDFPS/S_BI_ACTVY>-PROJECT = 1.
</ISDFPS/S_BI_ACTVY>-PROFL = 1.
</ISDFPS/S_BI_ACTVY>-BEGDA = 1.
</ISDFPS/S_BI_ACTVY>-ENDDA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/S_BI_ACTVY-FORCE, sy-vline,
  WA_/ISDFPS/S_BI_ACTVY-CON_ID, sy-vline,
  WA_/ISDFPS/S_BI_ACTVY-OPERATION_ID, sy-vline,
  WA_/ISDFPS/S_BI_ACTVY-PROVIDER_MAT, sy-vline,
  WA_/ISDFPS/S_BI_ACTVY-PROVIDER_PER, sy-vline,
  WA_/ISDFPS/S_BI_ACTVY-PSPID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/S_BI_ACTVY 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_ACTVY 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_ACTVY INTO WA_/ISDFPS/S_BI_ACTVY.


*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 ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/S_BI_ACTVY-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/S_BI_ACTVY-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/S_BI_ACTVY-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/S_BI_ACTVY-PROJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/S_BI_ACTVY-PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/S_BI_ACTVY-PSPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field USE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/S_BI_ACTVY-USE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/S_BI_ACTVY-USE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field USE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/S_BI_ACTVY-USE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/S_BI_ACTVY-USE05.
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_ACTVY_STR, 
POSID TYPE STRING,
PROJECT TYPE STRING,
PROFL TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
FORCE TYPE STRING,
CON_ID TYPE STRING,
OPERATION_ID TYPE STRING,
PROVIDER_MAT TYPE STRING,
PROVIDER_PER TYPE STRING,
PSPID TYPE STRING,
USR00 TYPE STRING,
USR01 TYPE STRING,
USR02 TYPE STRING,
USR03 TYPE STRING,
USR04 TYPE STRING,
USE04 TYPE STRING,
USR05 TYPE STRING,
USE05 TYPE STRING,
USR06 TYPE STRING,
USE06 TYPE STRING,
USR07 TYPE STRING,
USE07 TYPE STRING,
USR08 TYPE STRING,
USR09 TYPE STRING,
USR10 TYPE STRING,
USR11 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/S_BI_ACTVY_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_ACTVY_STR-POSID sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-PROJECT sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-PROFL sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-BEGDA sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-ENDDA sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-FORCE sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-CON_ID sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-OPERATION_ID sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-PROVIDER_MAT sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-PROVIDER_PER sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-PSPID sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR00 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR01 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR02 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR03 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR04 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USE04 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR05 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USE05 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR06 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USE06 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR07 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USE07 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR08 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR09 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR10 sy-vline 
WA_/ISDFPS/S_BI_ACTVY_STR-USR11 sy-vline      INTO ld_text SEPARATED BY SPACE.

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