ABAP Select data from SAP table PINPEG5 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PINPEG5 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 PINPEG5. 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 PINPEG5 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_PINPEG5 TYPE STANDARD TABLE OF PINPEG5,
      WA_PINPEG5 TYPE PINPEG5,
      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: <PINPEG5> TYPE PINPEG5.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PINPEG5.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PINPEG5
  INTO TABLE IT_PINPEG5.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PINPEG5
*  INTO TABLE @DATA(IT_PINPEG52).
*--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_PINPEG5 INDEX 1 INTO DATA(WA_PINPEG52).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PINPEG5 ASSIGNING <PINPEG5>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PINPEG5>-GRPID = 1.
<PINPEG5>-GRDES = 1.
<PINPEG5>-POTYP = 1.
<PINPEG5>-TYDES = 1.
<PINPEG5>-REGUI = 1.

ENDLOOP.

LOOP AT IT_PINPEG5 INTO WA_PINPEG5.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PINPEG5-POGUI, sy-vline,
  WA_PINPEG5-VERSN, sy-vline,
  WA_PINPEG5-POLID, sy-vline,
  WA_PINPEG5-PODES, sy-vline,
  WA_PINPEG5-TMPID, sy-vline,
  WA_PINPEG5-RESTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PINPEG5 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_PINPEG5 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_PINPEG5 INTO WA_PINPEG5.


*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_PINPEG5_STR, 
GRPID TYPE STRING,
GRDES TYPE STRING,
POTYP TYPE STRING,
TYDES TYPE STRING,
REGUI TYPE STRING,
POGUI TYPE STRING,
VERSN TYPE STRING,
POLID TYPE STRING,
PODES TYPE STRING,
TMPID TYPE STRING,
RESTS TYPE STRING,
REDES TYPE STRING,
CREON TYPE STRING,
CHAON TYPE STRING,
CHABY TYPE STRING,
DESCR TYPE STRING,
REQID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PINPEG5_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_PINPEG5_STR-GRPID sy-vline 
WA_PINPEG5_STR-GRDES sy-vline 
WA_PINPEG5_STR-POTYP sy-vline 
WA_PINPEG5_STR-TYDES sy-vline 
WA_PINPEG5_STR-REGUI sy-vline 
WA_PINPEG5_STR-POGUI sy-vline 
WA_PINPEG5_STR-VERSN sy-vline 
WA_PINPEG5_STR-POLID sy-vline 
WA_PINPEG5_STR-PODES sy-vline 
WA_PINPEG5_STR-TMPID sy-vline 
WA_PINPEG5_STR-RESTS sy-vline 
WA_PINPEG5_STR-REDES sy-vline 
WA_PINPEG5_STR-CREON sy-vline 
WA_PINPEG5_STR-CHAON sy-vline 
WA_PINPEG5_STR-CHABY sy-vline 
WA_PINPEG5_STR-DESCR sy-vline 
WA_PINPEG5_STR-REQID sy-vline      INTO ld_text SEPARATED BY SPACE.

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