ABAP Select data from SAP table ADS2KIPUPL_S_PNRV_FILE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ADS2KIPUPL_S_PNRV_FILE 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 ADS2KIPUPL_S_PNRV_FILE. 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 ADS2KIPUPL_S_PNRV_FILE 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_ADS2KIPUPL_S_PNRV_FILE TYPE STANDARD TABLE OF ADS2KIPUPL_S_PNRV_FILE,
      WA_ADS2KIPUPL_S_PNRV_FILE TYPE ADS2KIPUPL_S_PNRV_FILE,
      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: <ADS2KIPUPL_S_PNRV_FILE> TYPE ADS2KIPUPL_S_PNRV_FILE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ADS2KIPUPL_S_PNRV_FILE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ADS2KIPUPL_S_PNRV_FILE
  INTO TABLE IT_ADS2KIPUPL_S_PNRV_FILE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ADS2KIPUPL_S_PNRV_FILE
*  INTO TABLE @DATA(IT_ADS2KIPUPL_S_PNRV_FILE2).
*--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_ADS2KIPUPL_S_PNRV_FILE INDEX 1 INTO DATA(WA_ADS2KIPUPL_S_PNRV_FILE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ADS2KIPUPL_S_PNRV_FILE ASSIGNING <ADS2KIPUPL_S_PNRV_FILE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ADS2KIPUPL_S_PNRV_FILE>-RTC = 1.
<ADS2KIPUPL_S_PNRV_FILE>-FILLER1 = 1.
<ADS2KIPUPL_S_PNRV_FILE>-PNR = 1.
<ADS2KIPUPL_S_PNRV_FILE>-MFR = 1.
<ADS2KIPUPL_S_PNRV_FILE>-FILLER2 = 1.

ENDLOOP.

LOOP AT IT_ADS2KIPUPL_S_PNRV_FILE INTO WA_ADS2KIPUPL_S_PNRV_FILE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ADS2KIPUPL_S_PNRV_FILE-EC1, sy-vline,
  WA_ADS2KIPUPL_S_PNRV_FILE-ECSN1, sy-vline,
  WA_ADS2KIPUPL_S_PNRV_FILE-ECTCN1, sy-vline,
  WA_ADS2KIPUPL_S_PNRV_FILE-CHG1, sy-vline,
  WA_ADS2KIPUPL_S_PNRV_FILE-ECTXT1, sy-vline,
  WA_ADS2KIPUPL_S_PNRV_FILE-EC2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ADS2KIPUPL_S_PNRV_FILE 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_ADS2KIPUPL_S_PNRV_FILE 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_ADS2KIPUPL_S_PNRV_FILE INTO WA_ADS2KIPUPL_S_PNRV_FILE.


*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_ADS2KIPUPL_S_PNRV_FILE_STR, 
RTC TYPE STRING,
FILLER1 TYPE STRING,
PNR TYPE STRING,
MFR TYPE STRING,
FILLER2 TYPE STRING,
EC1 TYPE STRING,
ECSN1 TYPE STRING,
ECTCN1 TYPE STRING,
CHG1 TYPE STRING,
ECTXT1 TYPE STRING,
EC2 TYPE STRING,
ECSN2 TYPE STRING,
ECTCN2 TYPE STRING,
CHG2 TYPE STRING,
ECTXT2 TYPE STRING,
EC3 TYPE STRING,
ECSN3 TYPE STRING,
ECTCN3 TYPE STRING,
CHG3 TYPE STRING,
ECTXT3 TYPE STRING,
FILLER3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ADS2KIPUPL_S_PNRV_FILE_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_ADS2KIPUPL_S_PNRV_FILE_STR-RTC sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-FILLER1 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-PNR sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-MFR sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-FILLER2 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-EC1 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECSN1 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECTCN1 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-CHG1 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECTXT1 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-EC2 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECSN2 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECTCN2 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-CHG2 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECTXT2 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-EC3 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECSN3 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECTCN3 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-CHG3 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-ECTXT3 sy-vline 
WA_ADS2KIPUPL_S_PNRV_FILE_STR-FILLER3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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