ABAP Select data from SAP table HR99RU_RMS_S_REP_ATTACH into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HR99RU_RMS_S_REP_ATTACH 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 HR99RU_RMS_S_REP_ATTACH. 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 HR99RU_RMS_S_REP_ATTACH 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_HR99RU_RMS_S_REP_ATTACH TYPE STANDARD TABLE OF HR99RU_RMS_S_REP_ATTACH,
      WA_HR99RU_RMS_S_REP_ATTACH TYPE HR99RU_RMS_S_REP_ATTACH,
      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: <HR99RU_RMS_S_REP_ATTACH> TYPE HR99RU_RMS_S_REP_ATTACH.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HR99RU_RMS_S_REP_ATTACH.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HR99RU_RMS_S_REP_ATTACH
  INTO TABLE IT_HR99RU_RMS_S_REP_ATTACH.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HR99RU_RMS_S_REP_ATTACH
*  INTO TABLE @DATA(IT_HR99RU_RMS_S_REP_ATTACH2).
*--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_HR99RU_RMS_S_REP_ATTACH INDEX 1 INTO DATA(WA_HR99RU_RMS_S_REP_ATTACH2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HR99RU_RMS_S_REP_ATTACH ASSIGNING <HR99RU_RMS_S_REP_ATTACH>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HR99RU_RMS_S_REP_ATTACH>-MOLGA = 1.
<HR99RU_RMS_S_REP_ATTACH>-REPTY = 1.
<HR99RU_RMS_S_REP_ATTACH>-EFDTE = 1.
<HR99RU_RMS_S_REP_ATTACH>-RUNIT = 1.
<HR99RU_RMS_S_REP_ATTACH>-GRUER = 1.

ENDLOOP.

LOOP AT IT_HR99RU_RMS_S_REP_ATTACH INTO WA_HR99RU_RMS_S_REP_ATTACH.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HR99RU_RMS_S_REP_ATTACH-ESEQN, sy-vline,
  WA_HR99RU_RMS_S_REP_ATTACH-STATS, sy-vline,
  WA_HR99RU_RMS_S_REP_ATTACH-OPERA, sy-vline,
  WA_HR99RU_RMS_S_REP_ATTACH-ATVER, sy-vline,
  WA_HR99RU_RMS_S_REP_ATTACH-OBJKY, sy-vline,
  WA_HR99RU_RMS_S_REP_ATTACH-AEDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HR99RU_RMS_S_REP_ATTACH 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_HR99RU_RMS_S_REP_ATTACH 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_HR99RU_RMS_S_REP_ATTACH INTO WA_HR99RU_RMS_S_REP_ATTACH.


*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_HR99RU_RMS_S_REP_ATTACH_STR, 
MOLGA TYPE STRING,
REPTY TYPE STRING,
EFDTE TYPE STRING,
RUNIT TYPE STRING,
GRUER TYPE STRING,
ESEQN TYPE STRING,
STATS TYPE STRING,
OPERA TYPE STRING,
ATVER TYPE STRING,
OBJKY TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HR99RU_RMS_S_REP_ATTACH_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_HR99RU_RMS_S_REP_ATTACH_STR-MOLGA sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-REPTY sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-EFDTE sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-RUNIT sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-GRUER sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-ESEQN sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-STATS sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-OPERA sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-ATVER sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-OBJKY sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-AEDAT sy-vline 
WA_HR99RU_RMS_S_REP_ATTACH_STR-AETIM sy-vline      INTO ld_text SEPARATED BY SPACE.

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