ABAP Select data from SAP table RECA_OBJECT_RESPONSIBLE_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECA_OBJECT_RESPONSIBLE_L
*  INTO TABLE @DATA(IT_RECA_OBJECT_RESPONSIBLE_L2).
*--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_RECA_OBJECT_RESPONSIBLE_L INDEX 1 INTO DATA(WA_RECA_OBJECT_RESPONSIBLE_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECA_OBJECT_RESPONSIBLE_L>-BUSKEY = 1.
<RECA_OBJECT_RESPONSIBLE_L>-OBJTYPE = 1.
<RECA_OBJECT_RESPONSIBLE_L>-INTRENO = 1.
<RECA_OBJECT_RESPONSIBLE_L>-XOBJTYPE = 1.
<RECA_OBJECT_RESPONSIBLE_L>-IDENTKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECA_OBJECT_RESPONSIBLE_L-RESPONSIBLE, sy-vline,
  WA_RECA_OBJECT_RESPONSIBLE_L-TEXT, sy-vline,
  WA_RECA_OBJECT_RESPONSIBLE_L-VALIDFROM, sy-vline,
  WA_RECA_OBJECT_RESPONSIBLE_L-VALIDTO, sy-vline,
  WA_RECA_OBJECT_RESPONSIBLE_L-AUTHGRP, sy-vline,
  WA_RECA_OBJECT_RESPONSIBLE_L-SELECTED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECA_OBJECT_RESPONSIBLE_L 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_RECA_OBJECT_RESPONSIBLE_L 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_RECA_OBJECT_RESPONSIBLE_L INTO WA_RECA_OBJECT_RESPONSIBLE_L.


*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 REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECA_OBJECT_RESPONSIBLE_L-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECA_OBJECT_RESPONSIBLE_L-VALIDTO.
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_RECA_OBJECT_RESPONSIBLE_L_STR, 
BUSKEY TYPE STRING,
OBJTYPE TYPE STRING,
INTRENO TYPE STRING,
XOBJTYPE TYPE STRING,
IDENTKEY TYPE STRING,
RESPONSIBLE TYPE STRING,
TEXT TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
AUTHGRP TYPE STRING,
SELECTED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECA_OBJECT_RESPONSIBLE_L_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_RECA_OBJECT_RESPONSIBLE_L_STR-BUSKEY sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-OBJTYPE sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-INTRENO sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-XOBJTYPE sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-IDENTKEY sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-RESPONSIBLE sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-TEXT sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-VALIDFROM sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-VALIDTO sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-AUTHGRP sy-vline 
WA_RECA_OBJECT_RESPONSIBLE_L_STR-SELECTED sy-vline      INTO ld_text SEPARATED BY SPACE.

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