ABAP Select data from SAP table HRPAYIT_S_CERT_DIMISSIONI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYIT_S_CERT_DIMISSIONI
*  INTO TABLE @DATA(IT_HRPAYIT_S_CERT_DIMISSIONI2).
*--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_HRPAYIT_S_CERT_DIMISSIONI INDEX 1 INTO DATA(WA_HRPAYIT_S_CERT_DIMISSIONI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYIT_S_CERT_DIMISSIONI>-DIMISCODFISC = 1.
<HRPAYIT_S_CERT_DIMISSIONI>-COGNOME = 1.
<HRPAYIT_S_CERT_DIMISSIONI>-NOME = 1.
<HRPAYIT_S_CERT_DIMISSIONI>-SESSO = 1.
<HRPAYIT_S_CERT_DIMISSIONI>-DTNASC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYIT_S_CERT_DIMISSIONI-COMNASC, sy-vline,
  WA_HRPAYIT_S_CERT_DIMISSIONI-PROVNASC, sy-vline,
  WA_HRPAYIT_S_CERT_DIMISSIONI-IDDIMI, sy-vline,
  WA_HRPAYIT_S_CERT_DIMISSIONI-MATINPS, sy-vline,
  WA_HRPAYIT_S_CERT_DIMISSIONI-IDINIRIC, sy-vline,
  WA_HRPAYIT_S_CERT_DIMISSIONI-IDCERTRET, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYIT_S_CERT_DIMISSIONI 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_HRPAYIT_S_CERT_DIMISSIONI 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_HRPAYIT_S_CERT_DIMISSIONI INTO WA_HRPAYIT_S_CERT_DIMISSIONI.


*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_HRPAYIT_S_CERT_DIMISSIONI_STR, 
DIMISCODFISC TYPE STRING,
COGNOME TYPE STRING,
NOME TYPE STRING,
SESSO TYPE STRING,
DTNASC TYPE STRING,
COMNASC TYPE STRING,
PROVNASC TYPE STRING,
IDDIMI TYPE STRING,
MATINPS TYPE STRING,
IDINIRIC TYPE STRING,
IDCERTRET TYPE STRING,
VIA TYPE STRING,
CIV TYPE STRING,
CAP TYPE STRING,
COM TYPE STRING,
PROV TYPE STRING,
DTDIMI TYPE STRING,
GLAV TYPE STRING,
DTRIC TYPE STRING,
DTFINE TYPE STRING,
TPCERT TYPE STRING,
TPRIC TYPE STRING,
RUOLO TYPE STRING,
TRAUM TYPE STRING,
MEDCODFIS TYPE STRING,
MEDCOGNOME TYPE STRING,
MEDNOME TYPE STRING,
MEDCODREG TYPE STRING,
MEDCODASL TYPE STRING,
REPCOGNOME TYPE STRING,
REPVIA TYPE STRING,
REPCIVICO TYPE STRING,
REPCAP TYPE STRING,
REPCOMUNE TYPE STRING,
REPPROV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYIT_S_CERT_DIMISSIONI_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_HRPAYIT_S_CERT_DIMISSIONI_STR-DIMISCODFISC sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-COGNOME sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-NOME sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-SESSO sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-DTNASC sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-COMNASC sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-PROVNASC sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-IDDIMI sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-MATINPS sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-IDINIRIC sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-IDCERTRET sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-VIA sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-CIV sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-CAP sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-COM sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-PROV sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-DTDIMI sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-GLAV sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-DTRIC sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-DTFINE sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-TPCERT sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-TPRIC sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-RUOLO sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-TRAUM sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-MEDCODFIS sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-MEDCOGNOME sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-MEDNOME sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-MEDCODREG sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-MEDCODASL sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-REPCOGNOME sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-REPVIA sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-REPCIVICO sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-REPCAP sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-REPCOMUNE sy-vline 
WA_HRPAYIT_S_CERT_DIMISSIONI_STR-REPPROV sy-vline      INTO ld_text SEPARATED BY SPACE.

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