ABAP Select data from SAP table SIT2_ST_CNDNFG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SIT2_ST_CNDNFG 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 SIT2_ST_CNDNFG. 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 SIT2_ST_CNDNFG 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_SIT2_ST_CNDNFG TYPE STANDARD TABLE OF SIT2_ST_CNDNFG,
      WA_SIT2_ST_CNDNFG TYPE SIT2_ST_CNDNFG,
      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: <SIT2_ST_CNDNFG> TYPE SIT2_ST_CNDNFG.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SIT2_ST_CNDNFG.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SIT2_ST_CNDNFG
  INTO TABLE IT_SIT2_ST_CNDNFG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SIT2_ST_CNDNFG
*  INTO TABLE @DATA(IT_SIT2_ST_CNDNFG2).
*--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_SIT2_ST_CNDNFG INDEX 1 INTO DATA(WA_SIT2_ST_CNDNFG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SIT2_ST_CNDNFG ASSIGNING <SIT2_ST_CNDNFG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SIT2_ST_CNDNFG>-CLIENT = 1.
<SIT2_ST_CNDNFG>-SITNTYPEID = 1.
<SIT2_ST_CNDNFG>-SITNOBJECTGROUPID = 1.
<SIT2_ST_CNDNFG>-SITNCNDNFILTERGROUPID = 1.
<SIT2_ST_CNDNFG>-SITNCNDNFILTERGROUPRANK = 1.

ENDLOOP.

LOOP AT IT_SIT2_ST_CNDNFG INTO WA_SIT2_ST_CNDNFG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SIT2_ST_CNDNFG-SITNINSTANCETARGETSTATUS, sy-vline,
  WA_SIT2_ST_CNDNFG-SITNCONDITIONNOTIFY, sy-vline,
  WA_SIT2_ST_CNDNFG-SITNCNDNFLTRGRPMSGID, sy-vline,
  WA_SIT2_ST_CNDNFG-SITNCNDNFLTRGRPLIFECYCLEID, sy-vline,
  WA_SIT2_ST_CNDNFG-SITNBASETMPLOBJECTGROUPID, sy-vline,
  WA_SIT2_ST_CNDNFG-SITNBASETEMPLATEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SIT2_ST_CNDNFG 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_SIT2_ST_CNDNFG 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_SIT2_ST_CNDNFG INTO WA_SIT2_ST_CNDNFG.


*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_SIT2_ST_CNDNFG_STR, 
CLIENT TYPE STRING,
SITNTYPEID TYPE STRING,
SITNOBJECTGROUPID TYPE STRING,
SITNCNDNFILTERGROUPID TYPE STRING,
SITNCNDNFILTERGROUPRANK TYPE STRING,
SITNINSTANCETARGETSTATUS TYPE STRING,
SITNCONDITIONNOTIFY TYPE STRING,
SITNCNDNFLTRGRPMSGID TYPE STRING,
SITNCNDNFLTRGRPLIFECYCLEID TYPE STRING,
SITNBASETMPLOBJECTGROUPID TYPE STRING,
SITNBASETEMPLATEID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SIT2_ST_CNDNFG_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_SIT2_ST_CNDNFG_STR-CLIENT sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNTYPEID sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNOBJECTGROUPID sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNCNDNFILTERGROUPID sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNCNDNFILTERGROUPRANK sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNINSTANCETARGETSTATUS sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNCONDITIONNOTIFY sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNCNDNFLTRGRPMSGID sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNCNDNFLTRGRPLIFECYCLEID sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNBASETMPLOBJECTGROUPID sy-vline 
WA_SIT2_ST_CNDNFG_STR-SITNBASETEMPLATEID sy-vline      INTO ld_text SEPARATED BY SPACE.

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