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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/ASSIGN_VPA_DYNP
*  INTO TABLE @DATA(IT_/ISDFPS/ASSIGN_VPA_DYNP2).
*--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/ASSIGN_VPA_DYNP INDEX 1 INTO DATA(WA_/ISDFPS/ASSIGN_VPA_DYNP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/ASSIGN_VPA_DYNP>-PNAME = 1.
</ISDFPS/ASSIGN_VPA_DYNP>-PNTEXT = 1.
</ISDFPS/ASSIGN_VPA_DYNP>-OBJID = 1.
</ISDFPS/ASSIGN_VPA_DYNP>-OTYPE = 1.
</ISDFPS/ASSIGN_VPA_DYNP>-PLVAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/ASSIGN_VPA_DYNP-STEXT, sy-vline,
  WA_/ISDFPS/ASSIGN_VPA_DYNP-MANDT, sy-vline,
  WA_/ISDFPS/ASSIGN_VPA_DYNP-FRGUID, sy-vline,
  WA_/ISDFPS/ASSIGN_VPA_DYNP-FRCNT, sy-vline,
  WA_/ISDFPS/ASSIGN_VPA_DYNP-BEGDA, sy-vline,
  WA_/ISDFPS/ASSIGN_VPA_DYNP-ENDDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/ASSIGN_VPA_DYNP 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/ASSIGN_VPA_DYNP 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/ASSIGN_VPA_DYNP INTO WA_/ISDFPS/ASSIGN_VPA_DYNP.


*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 ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/ASSIGN_VPA_DYNP-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/ASSIGN_VPA_DYNP-LOGSYS.
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/ASSIGN_VPA_DYNP_STR, 
PNAME TYPE STRING,
PNTEXT TYPE STRING,
OBJID TYPE STRING,
OTYPE TYPE STRING,
PLVAR TYPE STRING,
STEXT TYPE STRING,
MANDT TYPE STRING,
FRGUID TYPE STRING,
FRCNT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
OBJNR TYPE STRING,
STATUS TYPE STRING,
DGUID TYPE STRING,
TIMSTMP TYPE STRING,
CREADAT TYPE STRING,
CREABY TYPE STRING,
CHNGDAT TYPE STRING,
CHNGBY TYPE STRING,
LOGSYS TYPE STRING,
STOCK TYPE STRING,
MATSTAT TYPE STRING,
QUANT TYPE STRING,
REMARK TYPE STRING,
PRIOX TYPE STRING,
CT TYPE STRING,
STATUSTEXT TYPE STRING,
STATUSICON TYPE STRING,
PVS_GUID TYPE STRING,
INITIAL_READ TYPE STRING,
PLAN_OPERATION TYPE STRING,
PLAN_GDATE TYPE STRING,
PLAN_TIME TYPE STRING,
PLAN_TIMEZONE TYPE STRING,
OPICON TYPE STRING,
OPSTATUSICON TYPE STRING,
OPSTATUSTEXT TYPE STRING,
OPOBJNR TYPE STRING,
OPSTATUS TYPE STRING,
FORCER_ERROR TYPE STRING,
FORCER_SUCCESS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/ASSIGN_VPA_DYNP_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/ASSIGN_VPA_DYNP_STR-PNAME sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PNTEXT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OBJID sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OTYPE sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PLVAR sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-STEXT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-MANDT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-FRGUID sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-FRCNT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-BEGDA sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-ENDDA sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OBJNR sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-STATUS sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-DGUID sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-TIMSTMP sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-CREADAT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-CREABY sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-CHNGDAT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-CHNGBY sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-LOGSYS sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-STOCK sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-MATSTAT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-QUANT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-REMARK sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PRIOX sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-CT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-STATUSTEXT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-STATUSICON sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PVS_GUID sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-INITIAL_READ sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PLAN_OPERATION sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PLAN_GDATE sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PLAN_TIME sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-PLAN_TIMEZONE sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OPICON sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OPSTATUSICON sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OPSTATUSTEXT sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OPOBJNR sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-OPSTATUS sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-FORCER_ERROR sy-vline 
WA_/ISDFPS/ASSIGN_VPA_DYNP_STR-FORCER_SUCCESS sy-vline      INTO ld_text SEPARATED BY SPACE.

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