ABAP Select data from SAP table PUNPAY_EGRT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PUNPAY_EGRT
*  INTO TABLE @DATA(IT_PUNPAY_EGRT2).
*--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_PUNPAY_EGRT INDEX 1 INTO DATA(WA_PUNPAY_EGRT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PUNPAY_EGRT>-PERNR = 1.
<PUNPAY_EGRT>-INFTY = 1.
<PUNPAY_EGRT>-SUBTY = 1.
<PUNPAY_EGRT>-OBJPS = 1.
<PUNPAY_EGRT>-SPRPS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PUNPAY_EGRT-ENDDA, sy-vline,
  WA_PUNPAY_EGRT-BEGDA, sy-vline,
  WA_PUNPAY_EGRT-SEQNR, sy-vline,
  WA_PUNPAY_EGRT-AEDTM, sy-vline,
  WA_PUNPAY_EGRT-UNAME, sy-vline,
  WA_PUNPAY_EGRT-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PUNPAY_EGRT 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_PUNPAY_EGRT 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_PUNPAY_EGRT INTO WA_PUNPAY_EGRT.


*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 EXCRT, internal->external for field TUITION_EXCHG
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_PUNPAY_EGRT-TUITION_EXCHG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUNPAY_EGRT-TUITION_EXCHG.
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_PUNPAY_EGRT_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
ADMISCST TYPE STRING,
MAXBT_ADM TYPE STRING,
REDUCCST TYPE STRING,
NONADCST TYPE STRING,
TOTALCST TYPE STRING,
BOOKS TYPE STRING,
TOTAL075 TYPE STRING,
BOARDING TYPE STRING,
ALLOWABLE TYPE STRING,
MAXBT TYPE STRING,
MAXBT_PRO TYPE STRING,
ADVANCE TYPE STRING,
REPAYMNT TYPE STRING,
BALANCE TYPE STRING,
CLAIM TYPE STRING,
ADVPY TYPE STRING,
PAYMENT TYPE STRING,
WAERS TYPE STRING,
CALC_WAERS TYPE STRING,
EGFAC TYPE STRING,
EGFAC_B TYPE STRING,
EGRCD TYPE STRING,
EGRIN TYPE STRING,
EGRID TYPE STRING,
EGRIO TYPE STRING,
EGRIA TYPE STRING,
EXMNR TYPE STRING,
ZUORD TYPE STRING,
EGDIS TYPE STRING,
EXCHG TYPE STRING,
EGSCD TYPE STRING,
BOOKS_OC TYPE STRING,
WAERS_OC TYPE STRING,
ADJ_EGMAX TYPE STRING,
TUITION_WAERS TYPE STRING,
TUITION_EXCHG TYPE STRING,
EGOPR TYPE STRING,
ADMISCST_GSS TYPE STRING,
CAPASSMT TYPE STRING,
CAPASSMT_PRO TYPE STRING,
SPLEG_EQUI TYPE STRING,
SPLEG_EXP TYPE STRING,
SPLEG_BENF TYPE STRING,
SPLEG_SUM TYPE STRING,
BOARD_PRO TYPE STRING,
CAF_REIMBPER TYPE STRING,
BASE_GRANT TYPE STRING,
TOTADJ TYPE STRING,
TOTALLW TYPE STRING,
ADJCAF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PUNPAY_EGRT_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_PUNPAY_EGRT_STR-PERNR sy-vline 
WA_PUNPAY_EGRT_STR-INFTY sy-vline 
WA_PUNPAY_EGRT_STR-SUBTY sy-vline 
WA_PUNPAY_EGRT_STR-OBJPS sy-vline 
WA_PUNPAY_EGRT_STR-SPRPS sy-vline 
WA_PUNPAY_EGRT_STR-ENDDA sy-vline 
WA_PUNPAY_EGRT_STR-BEGDA sy-vline 
WA_PUNPAY_EGRT_STR-SEQNR sy-vline 
WA_PUNPAY_EGRT_STR-AEDTM sy-vline 
WA_PUNPAY_EGRT_STR-UNAME sy-vline 
WA_PUNPAY_EGRT_STR-HISTO sy-vline 
WA_PUNPAY_EGRT_STR-ITXEX sy-vline 
WA_PUNPAY_EGRT_STR-REFEX sy-vline 
WA_PUNPAY_EGRT_STR-ORDEX sy-vline 
WA_PUNPAY_EGRT_STR-ITBLD sy-vline 
WA_PUNPAY_EGRT_STR-PREAS sy-vline 
WA_PUNPAY_EGRT_STR-FLAG1 sy-vline 
WA_PUNPAY_EGRT_STR-FLAG2 sy-vline 
WA_PUNPAY_EGRT_STR-FLAG3 sy-vline 
WA_PUNPAY_EGRT_STR-FLAG4 sy-vline 
WA_PUNPAY_EGRT_STR-RESE1 sy-vline 
WA_PUNPAY_EGRT_STR-RESE2 sy-vline 
WA_PUNPAY_EGRT_STR-GRPVL sy-vline 
WA_PUNPAY_EGRT_STR-ADMISCST sy-vline 
WA_PUNPAY_EGRT_STR-MAXBT_ADM sy-vline 
WA_PUNPAY_EGRT_STR-REDUCCST sy-vline 
WA_PUNPAY_EGRT_STR-NONADCST sy-vline 
WA_PUNPAY_EGRT_STR-TOTALCST sy-vline 
WA_PUNPAY_EGRT_STR-BOOKS sy-vline 
WA_PUNPAY_EGRT_STR-TOTAL075 sy-vline 
WA_PUNPAY_EGRT_STR-BOARDING sy-vline 
WA_PUNPAY_EGRT_STR-ALLOWABLE sy-vline 
WA_PUNPAY_EGRT_STR-MAXBT sy-vline 
WA_PUNPAY_EGRT_STR-MAXBT_PRO sy-vline 
WA_PUNPAY_EGRT_STR-ADVANCE sy-vline 
WA_PUNPAY_EGRT_STR-REPAYMNT sy-vline 
WA_PUNPAY_EGRT_STR-BALANCE sy-vline 
WA_PUNPAY_EGRT_STR-CLAIM sy-vline 
WA_PUNPAY_EGRT_STR-ADVPY sy-vline 
WA_PUNPAY_EGRT_STR-PAYMENT sy-vline 
WA_PUNPAY_EGRT_STR-WAERS sy-vline 
WA_PUNPAY_EGRT_STR-CALC_WAERS sy-vline 
WA_PUNPAY_EGRT_STR-EGFAC sy-vline 
WA_PUNPAY_EGRT_STR-EGFAC_B sy-vline 
WA_PUNPAY_EGRT_STR-EGRCD sy-vline 
WA_PUNPAY_EGRT_STR-EGRIN sy-vline 
WA_PUNPAY_EGRT_STR-EGRID sy-vline 
WA_PUNPAY_EGRT_STR-EGRIO sy-vline 
WA_PUNPAY_EGRT_STR-EGRIA sy-vline 
WA_PUNPAY_EGRT_STR-EXMNR sy-vline 
WA_PUNPAY_EGRT_STR-ZUORD sy-vline 
WA_PUNPAY_EGRT_STR-EGDIS sy-vline 
WA_PUNPAY_EGRT_STR-EXCHG sy-vline 
WA_PUNPAY_EGRT_STR-EGSCD sy-vline 
WA_PUNPAY_EGRT_STR-BOOKS_OC sy-vline 
WA_PUNPAY_EGRT_STR-WAERS_OC sy-vline 
WA_PUNPAY_EGRT_STR-ADJ_EGMAX sy-vline 
WA_PUNPAY_EGRT_STR-TUITION_WAERS sy-vline 
WA_PUNPAY_EGRT_STR-TUITION_EXCHG sy-vline 
WA_PUNPAY_EGRT_STR-EGOPR sy-vline 
WA_PUNPAY_EGRT_STR-ADMISCST_GSS sy-vline 
WA_PUNPAY_EGRT_STR-CAPASSMT sy-vline 
WA_PUNPAY_EGRT_STR-CAPASSMT_PRO sy-vline 
WA_PUNPAY_EGRT_STR-SPLEG_EQUI sy-vline 
WA_PUNPAY_EGRT_STR-SPLEG_EXP sy-vline 
WA_PUNPAY_EGRT_STR-SPLEG_BENF sy-vline 
WA_PUNPAY_EGRT_STR-SPLEG_SUM sy-vline 
WA_PUNPAY_EGRT_STR-BOARD_PRO sy-vline 
WA_PUNPAY_EGRT_STR-CAF_REIMBPER sy-vline 
WA_PUNPAY_EGRT_STR-BASE_GRANT sy-vline 
WA_PUNPAY_EGRT_STR-TOTADJ sy-vline 
WA_PUNPAY_EGRT_STR-TOTALLW sy-vline 
WA_PUNPAY_EGRT_STR-ADJCAF sy-vline      INTO ld_text SEPARATED BY SPACE.

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