ABAP Select data from SAP table CACS_S_COND_FIELD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CACS_S_COND_FIELD
*  INTO TABLE @DATA(IT_CACS_S_COND_FIELD2).
*--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_CACS_S_COND_FIELD INDEX 1 INTO DATA(WA_CACS_S_COND_FIELD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CACS_S_COND_FIELD>-KVEWE = 1.
<CACS_S_COND_FIELD>-KAPPL = 1.
<CACS_S_COND_FIELD>-KFGRP = 1.
<CACS_S_COND_FIELD>-KFDNA = 1.
<CACS_S_COND_FIELD>-MANDT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CACS_S_COND_FIELD-APPL, sy-vline,
  WA_CACS_S_COND_FIELD-CONDAPPL, sy-vline,
  WA_CACS_S_COND_FIELD-CACSUSER, sy-vline,
  WA_CACS_S_COND_FIELD-FIELDNAME, sy-vline,
  WA_CACS_S_COND_FIELD-PRIORITY, sy-vline,
  WA_CACS_S_COND_FIELD-MARKER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CACS_S_COND_FIELD 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_CACS_S_COND_FIELD 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_CACS_S_COND_FIELD INTO WA_CACS_S_COND_FIELD.


*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_CACS_S_COND_FIELD_STR, 
KVEWE TYPE STRING,
KAPPL TYPE STRING,
KFGRP TYPE STRING,
KFDNA TYPE STRING,
MANDT TYPE STRING,
APPL TYPE STRING,
CONDAPPL TYPE STRING,
CACSUSER TYPE STRING,
FIELDNAME TYPE STRING,
PRIORITY TYPE STRING,
MARKER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CACS_S_COND_FIELD_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_CACS_S_COND_FIELD_STR-KVEWE sy-vline 
WA_CACS_S_COND_FIELD_STR-KAPPL sy-vline 
WA_CACS_S_COND_FIELD_STR-KFGRP sy-vline 
WA_CACS_S_COND_FIELD_STR-KFDNA sy-vline 
WA_CACS_S_COND_FIELD_STR-MANDT sy-vline 
WA_CACS_S_COND_FIELD_STR-APPL sy-vline 
WA_CACS_S_COND_FIELD_STR-CONDAPPL sy-vline 
WA_CACS_S_COND_FIELD_STR-CACSUSER sy-vline 
WA_CACS_S_COND_FIELD_STR-FIELDNAME sy-vline 
WA_CACS_S_COND_FIELD_STR-PRIORITY sy-vline 
WA_CACS_S_COND_FIELD_STR-MARKER sy-vline      INTO ld_text SEPARATED BY SPACE.

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