ABAP Select data from SAP table HRPP_PARAMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPP_PARAMS
*  INTO TABLE @DATA(IT_HRPP_PARAMS2).
*--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_HRPP_PARAMS INDEX 1 INTO DATA(WA_HRPP_PARAMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPP_PARAMS>-PNPABKRS = 1.
<HRPP_PARAMS>-PNPXABKR = 1.
<HRPP_PARAMS>-PN_PAPER = 1.
<HRPP_PARAMS>-PN_PABRJ = 1.
<HRPP_PARAMS>-PN_PABRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPP_PARAMS-PN_PERMO, sy-vline,
  WA_HRPP_PARAMS-PN_BEGDA, sy-vline,
  WA_HRPP_PARAMS-PN_ENDDA, sy-vline,
  WA_HRPP_PARAMS-PAYTY, sy-vline,
  WA_HRPP_PARAMS-PAYID, sy-vline,
  WA_HRPP_PARAMS-BONDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPP_PARAMS 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_HRPP_PARAMS 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_HRPP_PARAMS INTO WA_HRPP_PARAMS.


*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 GJAHR, internal->external for field PN_PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPP_PARAMS-PN_PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPP_PARAMS-PN_PABRJ.
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_HRPP_PARAMS_STR, 
PNPABKRS TYPE STRING,
PNPXABKR TYPE STRING,
PN_PAPER TYPE STRING,
PN_PABRJ TYPE STRING,
PN_PABRP TYPE STRING,
PN_PERMO TYPE STRING,
PN_BEGDA TYPE STRING,
PN_ENDDA TYPE STRING,
PAYTY TYPE STRING,
PAYID TYPE STRING,
BONDT TYPE STRING,
TSTLVL TYPE STRING,
VARINAME TYPE STRING,
LOG_ON TYPE STRING,
CALLPROGNAME TYPE STRING,
EVALNAME TYPE STRING,
CALCNAME TYPE STRING,
CALCVARI TYPE STRING,
CALCSIM TYPE STRING,
PCOPL TYPE STRING,
REVR_SQN TYPE STRING,
SET_REVR TYPE STRING,
MCSEP TYPE STRING,
DATE_DET TYPE STRING,
POSTDATE TYPE STRING,
DOCDATE TYPE STRING,
SETNOLOG TYPE STRING,
SETNOACC TYPE STRING,
SPEC_PERIODS TYPE STRING,
LINES_PARALLEL TYPE STRING,
PYPARAID TYPE STRING,
PROCESSID TYPE STRING,
STEPID TYPE STRING,
RUNID TYPE STRING,
PARAID TYPE STRING,
RUNID TYPE STRING,
SEQNR TYPE STRING,
RUNVARIANT TYPE STRING,
PY_PM_CONTAINER TYPE STRING,
ZCOMP TYPE STRING,
SIM_FROM TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
SET_REPL TYPE STRING,
PMPAY TYPE STRING,
PMCHK TYPE STRING,
PPTPY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPP_PARAMS_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_HRPP_PARAMS_STR-PNPABKRS sy-vline 
WA_HRPP_PARAMS_STR-PNPXABKR sy-vline 
WA_HRPP_PARAMS_STR-PN_PAPER sy-vline 
WA_HRPP_PARAMS_STR-PN_PABRJ sy-vline 
WA_HRPP_PARAMS_STR-PN_PABRP sy-vline 
WA_HRPP_PARAMS_STR-PN_PERMO sy-vline 
WA_HRPP_PARAMS_STR-PN_BEGDA sy-vline 
WA_HRPP_PARAMS_STR-PN_ENDDA sy-vline 
WA_HRPP_PARAMS_STR-PAYTY sy-vline 
WA_HRPP_PARAMS_STR-PAYID sy-vline 
WA_HRPP_PARAMS_STR-BONDT sy-vline 
WA_HRPP_PARAMS_STR-TSTLVL sy-vline 
WA_HRPP_PARAMS_STR-VARINAME sy-vline 
WA_HRPP_PARAMS_STR-LOG_ON sy-vline 
WA_HRPP_PARAMS_STR-CALLPROGNAME sy-vline 
WA_HRPP_PARAMS_STR-EVALNAME sy-vline 
WA_HRPP_PARAMS_STR-CALCNAME sy-vline 
WA_HRPP_PARAMS_STR-CALCVARI sy-vline 
WA_HRPP_PARAMS_STR-CALCSIM sy-vline 
WA_HRPP_PARAMS_STR-PCOPL sy-vline 
WA_HRPP_PARAMS_STR-REVR_SQN sy-vline 
WA_HRPP_PARAMS_STR-SET_REVR sy-vline 
WA_HRPP_PARAMS_STR-MCSEP sy-vline 
WA_HRPP_PARAMS_STR-DATE_DET sy-vline 
WA_HRPP_PARAMS_STR-POSTDATE sy-vline 
WA_HRPP_PARAMS_STR-DOCDATE sy-vline 
WA_HRPP_PARAMS_STR-SETNOLOG sy-vline 
WA_HRPP_PARAMS_STR-SETNOACC sy-vline 
WA_HRPP_PARAMS_STR-SPEC_PERIODS sy-vline 
WA_HRPP_PARAMS_STR-LINES_PARALLEL sy-vline 
WA_HRPP_PARAMS_STR-PYPARAID sy-vline 
WA_HRPP_PARAMS_STR-PROCESSID sy-vline 
WA_HRPP_PARAMS_STR-STEPID sy-vline 
WA_HRPP_PARAMS_STR-RUNID sy-vline 
WA_HRPP_PARAMS_STR-PARAID sy-vline 
WA_HRPP_PARAMS_STR-RUNID sy-vline 
WA_HRPP_PARAMS_STR-SEQNR sy-vline 
WA_HRPP_PARAMS_STR-RUNVARIANT sy-vline 
WA_HRPP_PARAMS_STR-PY_PM_CONTAINER sy-vline 
WA_HRPP_PARAMS_STR-ZCOMP sy-vline 
WA_HRPP_PARAMS_STR-SIM_FROM sy-vline 
WA_HRPP_PARAMS_STR-LAUFD sy-vline 
WA_HRPP_PARAMS_STR-LAUFI sy-vline 
WA_HRPP_PARAMS_STR-SET_REPL sy-vline 
WA_HRPP_PARAMS_STR-PMPAY sy-vline 
WA_HRPP_PARAMS_STR-PMCHK sy-vline 
WA_HRPP_PARAMS_STR-PPTPY sy-vline      INTO ld_text SEPARATED BY SPACE.

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