ABAP Select data from SAP table HRPAD_S_BI_REMINDERS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAD_S_BI_REMINDERS
*  INTO TABLE @DATA(IT_HRPAD_S_BI_REMINDERS2).
*--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_HRPAD_S_BI_REMINDERS INDEX 1 INTO DATA(WA_HRPAD_S_BI_REMINDERS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAD_S_BI_REMINDERS>-PERNR = 1.
<HRPAD_S_BI_REMINDERS>-MANAGER = 1.
<HRPAD_S_BI_REMINDERS>-EVENT_DATE = 1.
<HRPAD_S_BI_REMINDERS>-EVENT_NAME = 1.
<HRPAD_S_BI_REMINDERS>-PLANS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAD_S_BI_REMINDERS-ORGEH, sy-vline,
  WA_HRPAD_S_BI_REMINDERS-CALMONTH, sy-vline,
  WA_HRPAD_S_BI_REMINDERS-BEGDA, sy-vline,
  WA_HRPAD_S_BI_REMINDERS-ENDDA, sy-vline,
  WA_HRPAD_S_BI_REMINDERS-NEW_AGE, sy-vline,
  WA_HRPAD_S_BI_REMINDERS-VIEW_ALL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAD_S_BI_REMINDERS 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_HRPAD_S_BI_REMINDERS 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_HRPAD_S_BI_REMINDERS INTO WA_HRPAD_S_BI_REMINDERS.


*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 PERI6, internal->external for field CALMONTH
CALL FUNCTION 'CONVERSION_EXIT_PERI6_OUTPUT'
  EXPORTING
    input =                      WA_HRPAD_S_BI_REMINDERS-CALMONTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAD_S_BI_REMINDERS-CALMONTH.
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_HRPAD_S_BI_REMINDERS_STR, 
PERNR TYPE STRING,
MANAGER TYPE STRING,
EVENT_DATE TYPE STRING,
EVENT_NAME TYPE STRING,
PLANS TYPE STRING,
ORGEH TYPE STRING,
CALMONTH TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
NEW_AGE TYPE STRING,
VIEW_ALL TYPE STRING,
CPID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAD_S_BI_REMINDERS_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_HRPAD_S_BI_REMINDERS_STR-PERNR sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-MANAGER sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-EVENT_DATE sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-EVENT_NAME sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-PLANS sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-ORGEH sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-CALMONTH sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-BEGDA sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-ENDDA sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-NEW_AGE sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-VIEW_ALL sy-vline 
WA_HRPAD_S_BI_REMINDERS_STR-CPID sy-vline      INTO ld_text SEPARATED BY SPACE.

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