ABAP Select data from SAP table SLTMSMCONF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SLTMSMCONF
*  INTO TABLE @DATA(IT_SLTMSMCONF2).
*--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_SLTMSMCONF INDEX 1 INTO DATA(WA_SLTMSMCONF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SLTMSMCONF>-DOMNAM = 1.
<SLTMSMCONF>-DOMTXT = 1.
<SLTMSMCONF>-SYSNAM = 1.
<SLTMSMCONF>-SYSTXT = 1.
<SLTMSMCONF>-ADMUSR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SLTMSMCONF-SUPUSR, sy-vline,
  WA_SLTMSMCONF-STATUS, sy-vline,
  WA_SLTMSMCONF-MODDAT, sy-vline,
  WA_SLTMSMCONF-MODTIM, sy-vline,
  WA_SLTMSMCONF-MODUSR, sy-vline,
  WA_SLTMSMCONF-DOMCTL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SLTMSMCONF 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_SLTMSMCONF 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_SLTMSMCONF INTO WA_SLTMSMCONF.


*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_SLTMSMCONF_STR, 
DOMNAM TYPE STRING,
DOMTXT TYPE STRING,
SYSNAM TYPE STRING,
SYSTXT TYPE STRING,
ADMUSR TYPE STRING,
SUPUSR TYPE STRING,
STATUS TYPE STRING,
MODDAT TYPE STRING,
MODTIM TYPE STRING,
MODUSR TYPE STRING,
DOMCTL TYPE STRING,
CTLTXT TYPE STRING,
DOMBCK TYPE STRING,
BCKTXT TYPE STRING,
NFSGRP TYPE STRING,
NFSTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SLTMSMCONF_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_SLTMSMCONF_STR-DOMNAM sy-vline 
WA_SLTMSMCONF_STR-DOMTXT sy-vline 
WA_SLTMSMCONF_STR-SYSNAM sy-vline 
WA_SLTMSMCONF_STR-SYSTXT sy-vline 
WA_SLTMSMCONF_STR-ADMUSR sy-vline 
WA_SLTMSMCONF_STR-SUPUSR sy-vline 
WA_SLTMSMCONF_STR-STATUS sy-vline 
WA_SLTMSMCONF_STR-MODDAT sy-vline 
WA_SLTMSMCONF_STR-MODTIM sy-vline 
WA_SLTMSMCONF_STR-MODUSR sy-vline 
WA_SLTMSMCONF_STR-DOMCTL sy-vline 
WA_SLTMSMCONF_STR-CTLTXT sy-vline 
WA_SLTMSMCONF_STR-DOMBCK sy-vline 
WA_SLTMSMCONF_STR-BCKTXT sy-vline 
WA_SLTMSMCONF_STR-NFSGRP sy-vline 
WA_SLTMSMCONF_STR-NFSTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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