ABAP Select data from SAP table OIJ05_USERST_SCRN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OIJ05_USERST_SCRN 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 OIJ05_USERST_SCRN. 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 OIJ05_USERST_SCRN 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_OIJ05_USERST_SCRN TYPE STANDARD TABLE OF OIJ05_USERST_SCRN,
      WA_OIJ05_USERST_SCRN TYPE OIJ05_USERST_SCRN,
      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: <OIJ05_USERST_SCRN> TYPE OIJ05_USERST_SCRN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OIJ05_USERST_SCRN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OIJ05_USERST_SCRN
  INTO TABLE IT_OIJ05_USERST_SCRN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIJ05_USERST_SCRN
*  INTO TABLE @DATA(IT_OIJ05_USERST_SCRN2).
*--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_OIJ05_USERST_SCRN INDEX 1 INTO DATA(WA_OIJ05_USERST_SCRN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OIJ05_USERST_SCRN ASSIGNING <OIJ05_USERST_SCRN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIJ05_USERST_SCRN>-DEF_UOM = 1.
<OIJ05_USERST_SCRN>-VERSION = 1.
<OIJ05_USERST_SCRN>-ROLL_PAST = 1.
<OIJ05_USERST_SCRN>-ROLL_FUTURE = 1.
<OIJ05_USERST_SCRN>-TSYST = 1.

ENDLOOP.

LOOP AT IT_OIJ05_USERST_SCRN INTO WA_OIJ05_USERST_SCRN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIJ05_USERST_SCRN-LOCID, sy-vline,
  WA_OIJ05_USERST_SCRN-MATNR, sy-vline,
  WA_OIJ05_USERST_SCRN-SPW_GRP, sy-vline,
  WA_OIJ05_USERST_SCRN-NOM_GRP, sy-vline,
  WA_OIJ05_USERST_SCRN-SPW_COL, sy-vline,
  WA_OIJ05_USERST_SCRN-DISPLAY_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIJ05_USERST_SCRN 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_OIJ05_USERST_SCRN 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_OIJ05_USERST_SCRN INTO WA_OIJ05_USERST_SCRN.


*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 CUNIT, internal->external for field DEF_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIJ05_USERST_SCRN-DEF_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJ05_USERST_SCRN-DEF_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OIJ05_USERST_SCRN-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIJ05_USERST_SCRN-MATNR.
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_OIJ05_USERST_SCRN_STR, 
DEF_UOM TYPE STRING,
VERSION TYPE STRING,
ROLL_PAST TYPE STRING,
ROLL_FUTURE TYPE STRING,
TSYST TYPE STRING,
LOCID TYPE STRING,
MATNR TYPE STRING,
SPW_GRP TYPE STRING,
NOM_GRP TYPE STRING,
SPW_COL TYPE STRING,
DISPLAY_TEXT TYPE STRING,
MERGE_PROD_COL TYPE STRING,
MERGE_RACK_COL TYPE STRING,
NOM_SPLITTER TYPE STRING,
LAST_USED_VRNT TYPE STRING,
SUBTRACT_HEEL TYPE STRING,
BOOK_INV TYPE STRING,
PHYSICAL_INV TYPE STRING,
AUTO_REFRESH TYPE STRING,
AUTO_REFRESH_TIME TYPE STRING,
NOMNR_SIM_OPTION TYPE STRING,
SHOW_SUGGESTION TYPE STRING,
PUB_EXTAPPSIM TYPE STRING,
AUTO_EXPAND_MULTIPLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIJ05_USERST_SCRN_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_OIJ05_USERST_SCRN_STR-DEF_UOM sy-vline 
WA_OIJ05_USERST_SCRN_STR-VERSION sy-vline 
WA_OIJ05_USERST_SCRN_STR-ROLL_PAST sy-vline 
WA_OIJ05_USERST_SCRN_STR-ROLL_FUTURE sy-vline 
WA_OIJ05_USERST_SCRN_STR-TSYST sy-vline 
WA_OIJ05_USERST_SCRN_STR-LOCID sy-vline 
WA_OIJ05_USERST_SCRN_STR-MATNR sy-vline 
WA_OIJ05_USERST_SCRN_STR-SPW_GRP sy-vline 
WA_OIJ05_USERST_SCRN_STR-NOM_GRP sy-vline 
WA_OIJ05_USERST_SCRN_STR-SPW_COL sy-vline 
WA_OIJ05_USERST_SCRN_STR-DISPLAY_TEXT sy-vline 
WA_OIJ05_USERST_SCRN_STR-MERGE_PROD_COL sy-vline 
WA_OIJ05_USERST_SCRN_STR-MERGE_RACK_COL sy-vline 
WA_OIJ05_USERST_SCRN_STR-NOM_SPLITTER sy-vline 
WA_OIJ05_USERST_SCRN_STR-LAST_USED_VRNT sy-vline 
WA_OIJ05_USERST_SCRN_STR-SUBTRACT_HEEL sy-vline 
WA_OIJ05_USERST_SCRN_STR-BOOK_INV sy-vline 
WA_OIJ05_USERST_SCRN_STR-PHYSICAL_INV sy-vline 
WA_OIJ05_USERST_SCRN_STR-AUTO_REFRESH sy-vline 
WA_OIJ05_USERST_SCRN_STR-AUTO_REFRESH_TIME sy-vline 
WA_OIJ05_USERST_SCRN_STR-NOMNR_SIM_OPTION sy-vline 
WA_OIJ05_USERST_SCRN_STR-SHOW_SUGGESTION sy-vline 
WA_OIJ05_USERST_SCRN_STR-PUB_EXTAPPSIM sy-vline 
WA_OIJ05_USERST_SCRN_STR-AUTO_EXPAND_MULTIPLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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