ABAP Select data from SAP table CFM_RDB_BIW_KEYFIG_6_ATTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CFM_RDB_BIW_KEYFIG_6_ATTR 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 CFM_RDB_BIW_KEYFIG_6_ATTR. 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 CFM_RDB_BIW_KEYFIG_6_ATTR 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_CFM_RDB_BIW_KEYFIG_6_ATTR TYPE STANDARD TABLE OF CFM_RDB_BIW_KEYFIG_6_ATTR,
      WA_CFM_RDB_BIW_KEYFIG_6_ATTR TYPE CFM_RDB_BIW_KEYFIG_6_ATTR,
      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: <CFM_RDB_BIW_KEYFIG_6_ATTR> TYPE CFM_RDB_BIW_KEYFIG_6_ATTR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CFM_RDB_BIW_KEYFIG_6_ATTR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CFM_RDB_BIW_KEYFIG_6_ATTR
  INTO TABLE IT_CFM_RDB_BIW_KEYFIG_6_ATTR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFM_RDB_BIW_KEYFIG_6_ATTR
*  INTO TABLE @DATA(IT_CFM_RDB_BIW_KEYFIG_6_ATTR2).
*--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_CFM_RDB_BIW_KEYFIG_6_ATTR INDEX 1 INTO DATA(WA_CFM_RDB_BIW_KEYFIG_6_ATTR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CFM_RDB_BIW_KEYFIG_6_ATTR ASSIGNING <CFM_RDB_BIW_KEYFIG_6_ATTR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFM_RDB_BIW_KEYFIG_6_ATTR>-DATETO = 1.
<CFM_RDB_BIW_KEYFIG_6_ATTR>-DATEFROM = 1.
<CFM_RDB_BIW_KEYFIG_6_ATTR>-KEYFIGURE = 1.
<CFM_RDB_BIW_KEYFIG_6_ATTR>-EVALT = 1.
<CFM_RDB_BIW_KEYFIG_6_ATTR>-CURRENCY = 1.

ENDLOOP.

LOOP AT IT_CFM_RDB_BIW_KEYFIG_6_ATTR INTO WA_CFM_RDB_BIW_KEYFIG_6_ATTR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFM_RDB_BIW_KEYFIG_6_ATTR-BASEFIGURE, sy-vline,
  WA_CFM_RDB_BIW_KEYFIG_6_ATTR-RHID, sy-vline,
  WA_CFM_RDB_BIW_KEYFIG_6_ATTR-XROOT, sy-vline,
  WA_CFM_RDB_BIW_KEYFIG_6_ATTR-POSITIONID, sy-vline,
  WA_CFM_RDB_BIW_KEYFIG_6_ATTR-UNWIND, sy-vline,
  WA_CFM_RDB_BIW_KEYFIG_6_ATTR-VOLART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFM_RDB_BIW_KEYFIG_6_ATTR 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_CFM_RDB_BIW_KEYFIG_6_ATTR 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_CFM_RDB_BIW_KEYFIG_6_ATTR INTO WA_CFM_RDB_BIW_KEYFIG_6_ATTR.


*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_CFM_RDB_BIW_KEYFIG_6_ATTR_STR, 
DATETO TYPE STRING,
DATEFROM TYPE STRING,
KEYFIGURE TYPE STRING,
EVALT TYPE STRING,
CURRENCY TYPE STRING,
BASEFIGURE TYPE STRING,
RHID TYPE STRING,
XROOT TYPE STRING,
POSITIONID TYPE STRING,
UNWIND TYPE STRING,
VOLART TYPE STRING,
KORART TYPE STRING,
HDATUM TYPE STRING,
DELTAONLY TYPE STRING,
SIMTYP TYPE STRING,
SIMNR TYPE STRING,
MISSLIMIT TYPE STRING,
SAMPTYP TYPE STRING,
KALENDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFM_RDB_BIW_KEYFIG_6_ATTR_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_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-DATETO sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-DATEFROM sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-KEYFIGURE sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-EVALT sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-CURRENCY sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-BASEFIGURE sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-RHID sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-XROOT sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-POSITIONID sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-UNWIND sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-VOLART sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-KORART sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-HDATUM sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-DELTAONLY sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-SIMTYP sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-SIMNR sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-MISSLIMIT sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-SAMPTYP sy-vline 
WA_CFM_RDB_BIW_KEYFIG_6_ATTR_STR-KALENDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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