ABAP Select data from SAP table SLIN_UI_SETTINGS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SLIN_UI_SETTINGS
*  INTO TABLE @DATA(IT_SLIN_UI_SETTINGS2).
*--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_SLIN_UI_SETTINGS INDEX 1 INTO DATA(WA_SLIN_UI_SETTINGS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SLIN_UI_SETTINGS>-USER_NAME = 1.
<SLIN_UI_SETTINGS>-ATC_REL_CHECKS = 1.
<SLIN_UI_SETTINGS>-SELECTED_CHECKS = 1.
<SLIN_UI_SETTINGS>-X_PER = 1.
<SLIN_UI_SETTINGS>-X_CAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SLIN_UI_SETTINGS-X_DAT, sy-vline,
  WA_SLIN_UI_SETTINGS-X_OPF, sy-vline,
  WA_SLIN_UI_SETTINGS-X_UNR, sy-vline,
  WA_SLIN_UI_SETTINGS-X_GES, sy-vline,
  WA_SLIN_UI_SETTINGS-X_MES, sy-vline,
  WA_SLIN_UI_SETTINGS-X_PFS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SLIN_UI_SETTINGS 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_SLIN_UI_SETTINGS 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_SLIN_UI_SETTINGS INTO WA_SLIN_UI_SETTINGS.


*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_SLIN_UI_SETTINGS_STR, 
USER_NAME TYPE STRING,
ATC_REL_CHECKS TYPE STRING,
SELECTED_CHECKS TYPE STRING,
X_PER TYPE STRING,
X_CAL TYPE STRING,
X_DAT TYPE STRING,
X_OPF TYPE STRING,
X_UNR TYPE STRING,
X_GES TYPE STRING,
X_MES TYPE STRING,
X_PFS TYPE STRING,
X_BRE TYPE STRING,
X_WOO TYPE STRING,
X_WRN TYPE STRING,
X_STE TYPE STRING,
X_TXT TYPE STRING,
X_AUT TYPE STRING,
X_SUB TYPE STRING,
X_LOA TYPE STRING,
X_MLS TYPE STRING,
X_PUT TYPE STRING,
X_HEL TYPE STRING,
X_SEC TYPE STRING,
X_LIS TYPE STRING,
IGNORE_PRAGMA TYPE STRING,
SLIN_REMOTE TYPE STRING,
RFCDEST TYPE STRING,
ABAPVRS_ENABLED TYPE STRING,
ABAP_VERSION TYPE STRING,
VRS_VERSION TYPE STRING,
SUPPRESS_GEN_CODE TYPE STRING,
X_DYC TYPE STRING,
X_MOD TYPE STRING,
X_PAC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SLIN_UI_SETTINGS_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_SLIN_UI_SETTINGS_STR-USER_NAME sy-vline 
WA_SLIN_UI_SETTINGS_STR-ATC_REL_CHECKS sy-vline 
WA_SLIN_UI_SETTINGS_STR-SELECTED_CHECKS sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_PER sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_CAL sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_DAT sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_OPF sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_UNR sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_GES sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_MES sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_PFS sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_BRE sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_WOO sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_WRN sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_STE sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_TXT sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_AUT sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_SUB sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_LOA sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_MLS sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_PUT sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_HEL sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_SEC sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_LIS sy-vline 
WA_SLIN_UI_SETTINGS_STR-IGNORE_PRAGMA sy-vline 
WA_SLIN_UI_SETTINGS_STR-SLIN_REMOTE sy-vline 
WA_SLIN_UI_SETTINGS_STR-RFCDEST sy-vline 
WA_SLIN_UI_SETTINGS_STR-ABAPVRS_ENABLED sy-vline 
WA_SLIN_UI_SETTINGS_STR-ABAP_VERSION sy-vline 
WA_SLIN_UI_SETTINGS_STR-VRS_VERSION sy-vline 
WA_SLIN_UI_SETTINGS_STR-SUPPRESS_GEN_CODE sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_DYC sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_MOD sy-vline 
WA_SLIN_UI_SETTINGS_STR-X_PAC sy-vline      INTO ld_text SEPARATED BY SPACE.

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