ABAP Select data from SAP table HRALEOX_ERROR_STRUC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRALEOX_ERROR_STRUC
*  INTO TABLE @DATA(IT_HRALEOX_ERROR_STRUC2).
*--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_HRALEOX_ERROR_STRUC INDEX 1 INTO DATA(WA_HRALEOX_ERROR_STRUC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRALEOX_ERROR_STRUC>-HR_OBJECT = 1.
<HRALEOX_ERROR_STRUC>-PLVAR = 1.
<HRALEOX_ERROR_STRUC>-OTYPE = 1.
<HRALEOX_ERROR_STRUC>-OBJID = 1.
<HRALEOX_ERROR_STRUC>-BP_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRALEOX_ERROR_STRUC-BP_GUID, sy-vline,
  WA_HRALEOX_ERROR_STRUC-ERROR, sy-vline,
  WA_HRALEOX_ERROR_STRUC-TYPE, sy-vline,
  WA_HRALEOX_ERROR_STRUC-ID, sy-vline,
  WA_HRALEOX_ERROR_STRUC-NUMBER, sy-vline,
  WA_HRALEOX_ERROR_STRUC-MESSAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRALEOX_ERROR_STRUC 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_HRALEOX_ERROR_STRUC 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_HRALEOX_ERROR_STRUC INTO WA_HRALEOX_ERROR_STRUC.


*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 ALPHA, internal->external for field BP_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRALEOX_ERROR_STRUC-BP_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRALEOX_ERROR_STRUC-BP_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRALEOX_ERROR_STRUC-SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRALEOX_ERROR_STRUC-SYSTEM.
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_HRALEOX_ERROR_STRUC_STR, 
HR_OBJECT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
BP_NUMBER TYPE STRING,
BP_GUID TYPE STRING,
ERROR TYPE STRING,
TYPE TYPE STRING,
ID TYPE STRING,
NUMBER TYPE STRING,
MESSAGE TYPE STRING,
LOG_NO TYPE STRING,
LOG_MSG_NO TYPE STRING,
MESSAGE_V1 TYPE STRING,
MESSAGE_V2 TYPE STRING,
MESSAGE_V3 TYPE STRING,
MESSAGE_V4 TYPE STRING,
PARAMETER TYPE STRING,
ROW TYPE STRING,
FIELD TYPE STRING,
SYSTEM TYPE STRING,
DOCNUM TYPE STRING,
SEGNUM TYPE STRING,
STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRALEOX_ERROR_STRUC_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_HRALEOX_ERROR_STRUC_STR-HR_OBJECT sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-PLVAR sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-OTYPE sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-OBJID sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-BP_NUMBER sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-BP_GUID sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-ERROR sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-TYPE sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-ID sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-NUMBER sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-MESSAGE sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-LOG_NO sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-LOG_MSG_NO sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-MESSAGE_V1 sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-MESSAGE_V2 sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-MESSAGE_V3 sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-MESSAGE_V4 sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-PARAMETER sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-ROW sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-FIELD sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-SYSTEM sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-DOCNUM sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-SEGNUM sy-vline 
WA_HRALEOX_ERROR_STRUC_STR-STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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