ABAP Select data from SAP table RECP_OI_PRINTED into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_OI_PRINTED
*  INTO TABLE @DATA(IT_RECP_OI_PRINTED2).
*--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_RECP_OI_PRINTED INDEX 1 INTO DATA(WA_RECP_OI_PRINTED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_OI_PRINTED>-TEMPLATE = 1.
<RECP_OI_PRINTED>-STRUCTDOC = 1.
<RECP_OI_PRINTED>-TEMPLOBJKEY = 1.
<RECP_OI_PRINTED>-PRINTED = 1.
<RECP_OI_PRINTED>-ARCHDONE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECP_OI_PRINTED-RERF, sy-vline,
  WA_RECP_OI_PRINTED-DERF, sy-vline,
  WA_RECP_OI_PRINTED-TERF, sy-vline,
  WA_RECP_OI_PRINTED-REHER, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_RECP_OI_PRINTED 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_RECP_OI_PRINTED 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_RECP_OI_PRINTED INTO WA_RECP_OI_PRINTED.


*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_RECP_OI_PRINTED_STR, 
TEMPLATE TYPE STRING,
STRUCTDOC TYPE STRING,
TEMPLOBJKEY TYPE STRING,
PRINTED TYPE STRING,
ARCHDONE TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_OI_PRINTED_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_RECP_OI_PRINTED_STR-TEMPLATE sy-vline 
WA_RECP_OI_PRINTED_STR-STRUCTDOC sy-vline 
WA_RECP_OI_PRINTED_STR-TEMPLOBJKEY sy-vline 
WA_RECP_OI_PRINTED_STR-PRINTED sy-vline 
WA_RECP_OI_PRINTED_STR-ARCHDONE sy-vline 
WA_RECP_OI_PRINTED_STR-RERF sy-vline 
WA_RECP_OI_PRINTED_STR-DERF sy-vline 
WA_RECP_OI_PRINTED_STR-TERF sy-vline 
WA_RECP_OI_PRINTED_STR-REHER sy-vline      INTO ld_text SEPARATED BY SPACE.

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