ABAP Select data from SAP table HRPADBR_EFD_S_FLAT_EVENT_LOG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPADBR_EFD_S_FLAT_EVENT_LOG
*  INTO TABLE @DATA(IT_HRPADBR_EFD_S_FLAT_EVENT_LOG2).
*--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_HRPADBR_EFD_S_FLAT_EVENT_LOG INDEX 1 INTO DATA(WA_HRPADBR_EFD_S_FLAT_EVENT_LOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPADBR_EFD_S_FLAT_EVENT_LOG>-EVENT_TYPE = 1.
<HRPADBR_EFD_S_FLAT_EVENT_LOG>-ICON = 1.
<HRPADBR_EFD_S_FLAT_EVENT_LOG>-EVENT_ID = 1.
<HRPADBR_EFD_S_FLAT_EVENT_LOG>-LEGAL_EVENT_TYPE = 1.
<HRPADBR_EFD_S_FLAT_EVENT_LOG>-INF_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPADBR_EFD_S_FLAT_EVENT_LOG-INF_VALUE, sy-vline,
  WA_HRPADBR_EFD_S_FLAT_EVENT_LOG-STATUS, sy-vline,
  WA_HRPADBR_EFD_S_FLAT_EVENT_LOG-EVENT_RECEIPT, sy-vline,
  WA_HRPADBR_EFD_S_FLAT_EVENT_LOG-RETIF_RECEIPT, sy-vline,
  WA_HRPADBR_EFD_S_FLAT_EVENT_LOG-ADJUSTMENT_IND, sy-vline,
  WA_HRPADBR_EFD_S_FLAT_EVENT_LOG-ENVIRONMENT_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPADBR_EFD_S_FLAT_EVENT_LOG 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_HRPADBR_EFD_S_FLAT_EVENT_LOG 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_HRPADBR_EFD_S_FLAT_EVENT_LOG INTO WA_HRPADBR_EFD_S_FLAT_EVENT_LOG.


*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_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR, 
EVENT_TYPE TYPE STRING,
ICON TYPE STRING,
EVENT_ID TYPE STRING,
LEGAL_EVENT_TYPE TYPE STRING,
INF_TYPE TYPE STRING,
INF_VALUE TYPE STRING,
STATUS TYPE STRING,
EVENT_RECEIPT TYPE STRING,
RETIF_RECEIPT TYPE STRING,
ADJUSTMENT_IND TYPE STRING,
ENVIRONMENT_TYPE TYPE STRING,
SEND_PROCESS TYPE STRING,
SEGMENT_IND TYPE STRING,
VERSION_PROCESS TYPE STRING,
OPERATION_IND TYPE STRING,
EVENT_VALIDITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_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_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-EVENT_TYPE sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-ICON sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-EVENT_ID sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-LEGAL_EVENT_TYPE sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-INF_TYPE sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-INF_VALUE sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-STATUS sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-EVENT_RECEIPT sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-RETIF_RECEIPT sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-ADJUSTMENT_IND sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-ENVIRONMENT_TYPE sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-SEND_PROCESS sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-SEGMENT_IND sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-VERSION_PROCESS sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-OPERATION_IND sy-vline 
WA_HRPADBR_EFD_S_FLAT_EVENT_LOG_STR-EVENT_VALIDITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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