ABAP Select data from SAP table HRPAYBE_S_DDDT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYBE_S_DDDT
*  INTO TABLE @DATA(IT_HRPAYBE_S_DDDT2).
*--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_HRPAYBE_S_DDDT INDEX 1 INTO DATA(WA_HRPAYBE_S_DDDT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYBE_S_DDDT>-NREVL = 1.
<HRPAYBE_S_DDDT>-BEGDA = 1.
<HRPAYBE_S_DDDT>-ENDDA = 1.
<HRPAYBE_S_DDDT>-NREMP = 1.
<HRPAYBE_S_DDDT>-SEQNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYBE_S_DDDT-DDAMT, sy-vline,
  WA_HRPAYBE_S_DDDT-DDREG, sy-vline,
  WA_HRPAYBE_S_DDDT-DDDAT, sy-vline,
  WA_HRPAYBE_S_DDDT-DDHBR, sy-vline,
  WA_HRPAYBE_S_DDDT-DDHAR, sy-vline,
  WA_HRPAYBE_S_DDDT-DDEDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYBE_S_DDDT 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_HRPAYBE_S_DDDT 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_HRPAYBE_S_DDDT INTO WA_HRPAYBE_S_DDDT.


*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_HRPAYBE_S_DDDT_STR, 
NREVL TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
NREMP TYPE STRING,
SEQNR TYPE STRING,
DDAMT TYPE STRING,
DDREG TYPE STRING,
DDDAT TYPE STRING,
DDHBR TYPE STRING,
DDHAR TYPE STRING,
DDEDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYBE_S_DDDT_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_HRPAYBE_S_DDDT_STR-NREVL sy-vline 
WA_HRPAYBE_S_DDDT_STR-BEGDA sy-vline 
WA_HRPAYBE_S_DDDT_STR-ENDDA sy-vline 
WA_HRPAYBE_S_DDDT_STR-NREMP sy-vline 
WA_HRPAYBE_S_DDDT_STR-SEQNR sy-vline 
WA_HRPAYBE_S_DDDT_STR-DDAMT sy-vline 
WA_HRPAYBE_S_DDDT_STR-DDREG sy-vline 
WA_HRPAYBE_S_DDDT_STR-DDDAT sy-vline 
WA_HRPAYBE_S_DDDT_STR-DDHBR sy-vline 
WA_HRPAYBE_S_DDDT_STR-DDHAR sy-vline 
WA_HRPAYBE_S_DDDT_STR-DDEDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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