ABAP Select data from SAP table HRPAYCH_S_ELM40_WHT_TMS_AP_C into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYCH_S_ELM40_WHT_TMS_AP_C 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 HRPAYCH_S_ELM40_WHT_TMS_AP_C. 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 HRPAYCH_S_ELM40_WHT_TMS_AP_C 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_HRPAYCH_S_ELM40_WHT_TMS_AP_C TYPE STANDARD TABLE OF HRPAYCH_S_ELM40_WHT_TMS_AP_C,
      WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C TYPE HRPAYCH_S_ELM40_WHT_TMS_AP_C,
      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: <HRPAYCH_S_ELM40_WHT_TMS_AP_C> TYPE HRPAYCH_S_ELM40_WHT_TMS_AP_C.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYCH_S_ELM40_WHT_TMS_AP_C.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYCH_S_ELM40_WHT_TMS_AP_C
  INTO TABLE IT_HRPAYCH_S_ELM40_WHT_TMS_AP_C.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYCH_S_ELM40_WHT_TMS_AP_C
*  INTO TABLE @DATA(IT_HRPAYCH_S_ELM40_WHT_TMS_AP_C2).
*--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_HRPAYCH_S_ELM40_WHT_TMS_AP_C INDEX 1 INTO DATA(WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYCH_S_ELM40_WHT_TMS_AP_C ASSIGNING <HRPAYCH_S_ELM40_WHT_TMS_AP_C>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYCH_S_ELM40_WHT_TMS_AP_C>-SECTN = 1.
<HRPAYCH_S_ELM40_WHT_TMS_AP_C>-CMPNY = 1.
<HRPAYCH_S_ELM40_WHT_TMS_AP_C>-AWSCH = 1.
<HRPAYCH_S_ELM40_WHT_TMS_AP_C>-INIDD = 1.
<HRPAYCH_S_ELM40_WHT_TMS_AP_C>-ABREH = 1.

ENDLOOP.

LOOP AT IT_HRPAYCH_S_ELM40_WHT_TMS_AP_C INTO WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-PERNR, sy-vline,
  WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-ENDDA, sy-vline,
  WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-BEGDA, sy-vline,
  WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-PERID, sy-vline,
  WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-RESD3, sy-vline,
  WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-RESD4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C 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_HRPAYCH_S_ELM40_WHT_TMS_AP_C 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_HRPAYCH_S_ELM40_WHT_TMS_AP_C INTO WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C.


*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 PDATE, internal->external for field FGBDT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-FGBDT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C-FGBDT.
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_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR, 
SECTN TYPE STRING,
CMPNY TYPE STRING,
AWSCH TYPE STRING,
INIDD TYPE STRING,
ABREH TYPE STRING,
PERNR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
PERID TYPE STRING,
RESD3 TYPE STRING,
RESD4 TYPE STRING,
ELM_KEY_CANTON TYPE STRING,
ELM_KEY_GEMND TYPE STRING,
ELM_KEY_WSTYP TYPE STRING,
ELM_KEY_INPER TYPE STRING,
ELM_KEY_FUPER TYPE STRING,
ELM_KEY_QST_SRTZA TYPE STRING,
ELM_KEY_EVENT_ID TYPE STRING,
ELM_KEY_QST_RH_ENDDA TYPE STRING,
ELM_KEY_FPBEG TYPE STRING,
ELM_KEY_FPEND TYPE STRING,
ELM_KEY_IPEND TYPE STRING,
ELM_KEY_JUPER TYPE STRING,
ELM_KEY_QSTPF TYPE STRING,
CAT_QSTABCAT TYPE STRING,
CAT_PRDEFCAT TYPE STRING,
CAT_OPENCAT TYPE STRING,
CAT_RESERVEDCAT TYPE STRING,
TMS_RESFIELD TYPE STRING,
FAVOR TYPE STRING,
FANAM TYPE STRING,
FGBDT TYPE STRING,
CHILDB TYPE STRING,
CHILDE TYPE STRING,
WHTDEDUC TYPE STRING,
CHILDNR TYPE STRING,
CHILDAGE TYPE STRING,
CHILDPER TYPE STRING,
APC_RESFIELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_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_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-SECTN sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CMPNY sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-AWSCH sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-INIDD sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ABREH sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-PERNR sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ENDDA sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-BEGDA sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-PERID sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-RESD3 sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-RESD4 sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_CANTON sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_GEMND sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_WSTYP sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_INPER sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_FUPER sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_QST_SRTZA sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_EVENT_ID sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_QST_RH_ENDDA sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_FPBEG sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_FPEND sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_IPEND sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_JUPER sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-ELM_KEY_QSTPF sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CAT_QSTABCAT sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CAT_PRDEFCAT sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CAT_OPENCAT sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CAT_RESERVEDCAT sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-TMS_RESFIELD sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-FAVOR sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-FANAM sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-FGBDT sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CHILDB sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CHILDE sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-WHTDEDUC sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CHILDNR sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CHILDAGE sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-CHILDPER sy-vline 
WA_HRPAYCH_S_ELM40_WHT_TMS_AP_C_STR-APC_RESFIELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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