ABAP Select data from SAP table V_ISI_SWPBC_IN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_ISI_SWPBC_IN 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_ISI_SWPBC_IN. 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_ISI_SWPBC_IN 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_ISI_SWPBC_IN TYPE STANDARD TABLE OF V_ISI_SWPBC_IN,
      WA_V_ISI_SWPBC_IN TYPE V_ISI_SWPBC_IN,
      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_ISI_SWPBC_IN> TYPE V_ISI_SWPBC_IN.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_ISI_SWPBC_IN
*  INTO TABLE @DATA(IT_V_ISI_SWPBC_IN2).
*--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_ISI_SWPBC_IN INDEX 1 INTO DATA(WA_V_ISI_SWPBC_IN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_ISI_SWPBC_IN>-MANDT = 1.
<V_ISI_SWPBC_IN>-PRO_CODE = 1.
<V_ISI_SWPBC_IN>-PCTEXT = 1.
<V_ISI_SWPBC_IN>-MESTYP = 1.
<V_ISI_SWPBC_IN>-PRO_GROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_ISI_SWPBC_IN-EVCODE, sy-vline,
  WA_V_ISI_SWPBC_IN-RCVPOR, sy-vline,
  WA_V_ISI_SWPBC_IN-RCVPFC, sy-vline,
  WA_V_ISI_SWPBC_IN-RCVPRT, sy-vline,
  WA_V_ISI_SWPBC_IN-TEST, sy-vline,
  WA_V_ISI_SWPBC_IN-MESCOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_ISI_SWPBC_IN 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_ISI_SWPBC_IN 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_ISI_SWPBC_IN INTO WA_V_ISI_SWPBC_IN.


*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 EDIPV, internal->external for field RCVPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_V_ISI_SWPBC_IN-RCVPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_ISI_SWPBC_IN-RCVPFC.
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_V_ISI_SWPBC_IN_STR, 
MANDT TYPE STRING,
PRO_CODE TYPE STRING,
PCTEXT TYPE STRING,
MESTYP TYPE STRING,
PRO_GROUP TYPE STRING,
EVCODE TYPE STRING,
RCVPOR TYPE STRING,
RCVPFC TYPE STRING,
RCVPRT TYPE STRING,
TEST TYPE STRING,
MESCOD TYPE STRING,
MESFCT TYPE STRING,
IDOCTYP TYPE STRING,
CIMTYP TYPE STRING,
EDIVIEW TYPE STRING,
USRTYP TYPE STRING,
USRKEY TYPE STRING,
USE_BCIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_ISI_SWPBC_IN_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_ISI_SWPBC_IN_STR-MANDT sy-vline 
WA_V_ISI_SWPBC_IN_STR-PRO_CODE sy-vline 
WA_V_ISI_SWPBC_IN_STR-PCTEXT sy-vline 
WA_V_ISI_SWPBC_IN_STR-MESTYP sy-vline 
WA_V_ISI_SWPBC_IN_STR-PRO_GROUP sy-vline 
WA_V_ISI_SWPBC_IN_STR-EVCODE sy-vline 
WA_V_ISI_SWPBC_IN_STR-RCVPOR sy-vline 
WA_V_ISI_SWPBC_IN_STR-RCVPFC sy-vline 
WA_V_ISI_SWPBC_IN_STR-RCVPRT sy-vline 
WA_V_ISI_SWPBC_IN_STR-TEST sy-vline 
WA_V_ISI_SWPBC_IN_STR-MESCOD sy-vline 
WA_V_ISI_SWPBC_IN_STR-MESFCT sy-vline 
WA_V_ISI_SWPBC_IN_STR-IDOCTYP sy-vline 
WA_V_ISI_SWPBC_IN_STR-CIMTYP sy-vline 
WA_V_ISI_SWPBC_IN_STR-EDIVIEW sy-vline 
WA_V_ISI_SWPBC_IN_STR-USRTYP sy-vline 
WA_V_ISI_SWPBC_IN_STR-USRKEY sy-vline 
WA_V_ISI_SWPBC_IN_STR-USE_BCIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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