ABAP Select data from SAP table HRESS_S_ITDCL_EMP_DTL_MY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRESS_S_ITDCL_EMP_DTL_MY
*  INTO TABLE @DATA(IT_HRESS_S_ITDCL_EMP_DTL_MY2).
*--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_HRESS_S_ITDCL_EMP_DTL_MY INDEX 1 INTO DATA(WA_HRESS_S_ITDCL_EMP_DTL_MY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRESS_S_ITDCL_EMP_DTL_MY>-MANDT = 1.
<HRESS_S_ITDCL_EMP_DTL_MY>-RETYP = 1.
<HRESS_S_ITDCL_EMP_DTL_MY>-OPDTY = 1.
<HRESS_S_ITDCL_EMP_DTL_MY>-PERNR = 1.
<HRESS_S_ITDCL_EMP_DTL_MY>-ENDDA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRESS_S_ITDCL_EMP_DTL_MY-BEGDA, sy-vline,
  WA_HRESS_S_ITDCL_EMP_DTL_MY-SEQNR, sy-vline,
  WA_HRESS_S_ITDCL_EMP_DTL_MY-REFNO, sy-vline,
  WA_HRESS_S_ITDCL_EMP_DTL_MY-RQCID, sy-vline,
  WA_HRESS_S_ITDCL_EMP_DTL_MY-RQCDT, sy-vline,
  WA_HRESS_S_ITDCL_EMP_DTL_MY-RQCTM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRESS_S_ITDCL_EMP_DTL_MY 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_HRESS_S_ITDCL_EMP_DTL_MY 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_HRESS_S_ITDCL_EMP_DTL_MY INTO WA_HRESS_S_ITDCL_EMP_DTL_MY.


*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_HRESS_S_ITDCL_EMP_DTL_MY_STR, 
MANDT TYPE STRING,
RETYP TYPE STRING,
OPDTY TYPE STRING,
PERNR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
REFNO TYPE STRING,
RQCID TYPE STRING,
RQCDT TYPE STRING,
RQCTM TYPE STRING,
RSNCD TYPE STRING,
ARDDT TYPE STRING,
ITUDT TYPE STRING,
PAYDT TYPE STRING,
CODAT TYPE STRING,
ITBDT TYPE STRING,
PHASE TYPE STRING,
CSTAT TYPE STRING,
APUID TYPE STRING,
APLVL TYPE STRING,
APGRP TYPE STRING,
LCUID TYPE STRING,
LCHDT TYPE STRING,
LCHTM TYPE STRING,
ISMST TYPE STRING,
EEMOB TYPE STRING,
APMOB TYPE STRING,
ADMOB TYPE STRING,
RQAMT TYPE STRING,
APAMT TYPE STRING,
UNIT TYPE STRING,
WAERS TYPE STRING,
CAPMT TYPE STRING,
TDAMT TYPE STRING,
RMAMT TYPE STRING,
RECNO TYPE STRING,
RDATE TYPE STRING,
DESCR TYPE STRING,
SDAT1 TYPE STRING,
SDAT2 TYPE STRING,
DELFG TYPE STRING,
PAUID TYPE STRING,
REJDS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRESS_S_ITDCL_EMP_DTL_MY_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_HRESS_S_ITDCL_EMP_DTL_MY_STR-MANDT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RETYP sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-OPDTY sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-PERNR sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-ENDDA sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-BEGDA sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-SEQNR sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-REFNO sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RQCID sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RQCDT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RQCTM sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RSNCD sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-ARDDT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-ITUDT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-PAYDT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-CODAT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-ITBDT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-PHASE sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-CSTAT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-APUID sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-APLVL sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-APGRP sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-LCUID sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-LCHDT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-LCHTM sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-ISMST sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-EEMOB sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-APMOB sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-ADMOB sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RQAMT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-APAMT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-UNIT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-WAERS sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-CAPMT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-TDAMT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RMAMT sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RECNO sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-RDATE sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-DESCR sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-SDAT1 sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-SDAT2 sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-DELFG sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-PAUID sy-vline 
WA_HRESS_S_ITDCL_EMP_DTL_MY_STR-REJDS sy-vline      INTO ld_text SEPARATED BY SPACE.

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