ABAP Select data from SAP table PEG_RUNPROF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEG_RUNPROF
*  INTO TABLE @DATA(IT_PEG_RUNPROF2).
*--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_PEG_RUNPROF INDEX 1 INTO DATA(WA_PEG_RUNPROF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEG_RUNPROF>-MANDT = 1.
<PEG_RUNPROF>-PRPID = 1.
<PEG_RUNPROF>-PEGPASS = 1.
<PEG_RUNPROF>-GIPASS = 1.
<PEG_RUNPROF>-PLNTLOCKRET = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEG_RUNPROF-PEGFULL, sy-vline,
  WA_PEG_RUNPROF-PEG_PLPR, sy-vline,
  WA_PEG_RUNPROF-FIXRL, sy-vline,
  WA_PEG_RUNPROF-PEG_EXC_CAT, sy-vline,
  WA_PEG_RUNPROF-EXCESS, sy-vline,
  WA_PEG_RUNPROF-SCRAP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEG_RUNPROF 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_PEG_RUNPROF 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_PEG_RUNPROF INTO WA_PEG_RUNPROF.


*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_PEG_RUNPROF_STR, 
MANDT TYPE STRING,
PRPID TYPE STRING,
PEGPASS TYPE STRING,
GIPASS TYPE STRING,
PLNTLOCKRET TYPE STRING,
PEGFULL TYPE STRING,
PEG_PLPR TYPE STRING,
FIXRL TYPE STRING,
PEG_EXC_CAT TYPE STRING,
EXCESS TYPE STRING,
SCRAP TYPE STRING,
LOST TYPE STRING,
ROUND TYPE STRING,
ROUNDF TYPE STRING,
HISTTL TYPE STRING,
SAVELOGHEAD TYPE STRING,
SAVEMSG TYPE STRING,
SAVELIST TYPE STRING,
SAVEGRID TYPE STRING,
LOGSTAT TYPE STRING,
AMSGSTOP TYPE STRING,
AMSGRED TYPE STRING,
AMSGYELLOW TYPE STRING,
AMSGGREEN TYPE STRING,
JMSGSTOP TYPE STRING,
JMSGRED TYPE STRING,
JMSGYELLOW TYPE STRING,
JMSGGREEN TYPE STRING,
LOCUPD TYPE STRING,
FINCHECK TYPE STRING,
PCKGSIZE TYPE STRING,
CHKGRP TYPE STRING,
FORALLCNT TYPE STRING,
RESBINDX TYPE STRING,
DEALLOC TYPE STRING,
BREAKP TYPE STRING,
MEMSNAPSHOT TYPE STRING,
COMMITW TYPE STRING,
BPDELAY TYPE STRING,
PARAM1 TYPE STRING,
PARAM2 TYPE STRING,
PARAM3 TYPE STRING,
DIS_MEM TYPE STRING,
UPDBLOCK TYPE STRING,
PARAM4 TYPE STRING,
PARAM5 TYPE STRING,
PARAM6 TYPE STRING,
PARAM7 TYPE STRING,
PARAM8 TYPE STRING,
PARAM9 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEG_RUNPROF_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_PEG_RUNPROF_STR-MANDT sy-vline 
WA_PEG_RUNPROF_STR-PRPID sy-vline 
WA_PEG_RUNPROF_STR-PEGPASS sy-vline 
WA_PEG_RUNPROF_STR-GIPASS sy-vline 
WA_PEG_RUNPROF_STR-PLNTLOCKRET sy-vline 
WA_PEG_RUNPROF_STR-PEGFULL sy-vline 
WA_PEG_RUNPROF_STR-PEG_PLPR sy-vline 
WA_PEG_RUNPROF_STR-FIXRL sy-vline 
WA_PEG_RUNPROF_STR-PEG_EXC_CAT sy-vline 
WA_PEG_RUNPROF_STR-EXCESS sy-vline 
WA_PEG_RUNPROF_STR-SCRAP sy-vline 
WA_PEG_RUNPROF_STR-LOST sy-vline 
WA_PEG_RUNPROF_STR-ROUND sy-vline 
WA_PEG_RUNPROF_STR-ROUNDF sy-vline 
WA_PEG_RUNPROF_STR-HISTTL sy-vline 
WA_PEG_RUNPROF_STR-SAVELOGHEAD sy-vline 
WA_PEG_RUNPROF_STR-SAVEMSG sy-vline 
WA_PEG_RUNPROF_STR-SAVELIST sy-vline 
WA_PEG_RUNPROF_STR-SAVEGRID sy-vline 
WA_PEG_RUNPROF_STR-LOGSTAT sy-vline 
WA_PEG_RUNPROF_STR-AMSGSTOP sy-vline 
WA_PEG_RUNPROF_STR-AMSGRED sy-vline 
WA_PEG_RUNPROF_STR-AMSGYELLOW sy-vline 
WA_PEG_RUNPROF_STR-AMSGGREEN sy-vline 
WA_PEG_RUNPROF_STR-JMSGSTOP sy-vline 
WA_PEG_RUNPROF_STR-JMSGRED sy-vline 
WA_PEG_RUNPROF_STR-JMSGYELLOW sy-vline 
WA_PEG_RUNPROF_STR-JMSGGREEN sy-vline 
WA_PEG_RUNPROF_STR-LOCUPD sy-vline 
WA_PEG_RUNPROF_STR-FINCHECK sy-vline 
WA_PEG_RUNPROF_STR-PCKGSIZE sy-vline 
WA_PEG_RUNPROF_STR-CHKGRP sy-vline 
WA_PEG_RUNPROF_STR-FORALLCNT sy-vline 
WA_PEG_RUNPROF_STR-RESBINDX sy-vline 
WA_PEG_RUNPROF_STR-DEALLOC sy-vline 
WA_PEG_RUNPROF_STR-BREAKP sy-vline 
WA_PEG_RUNPROF_STR-MEMSNAPSHOT sy-vline 
WA_PEG_RUNPROF_STR-COMMITW sy-vline 
WA_PEG_RUNPROF_STR-BPDELAY sy-vline 
WA_PEG_RUNPROF_STR-PARAM1 sy-vline 
WA_PEG_RUNPROF_STR-PARAM2 sy-vline 
WA_PEG_RUNPROF_STR-PARAM3 sy-vline 
WA_PEG_RUNPROF_STR-DIS_MEM sy-vline 
WA_PEG_RUNPROF_STR-UPDBLOCK sy-vline 
WA_PEG_RUNPROF_STR-PARAM4 sy-vline 
WA_PEG_RUNPROF_STR-PARAM5 sy-vline 
WA_PEG_RUNPROF_STR-PARAM6 sy-vline 
WA_PEG_RUNPROF_STR-PARAM7 sy-vline 
WA_PEG_RUNPROF_STR-PARAM8 sy-vline 
WA_PEG_RUNPROF_STR-PARAM9 sy-vline      INTO ld_text SEPARATED BY SPACE.

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