ABAP Select data from SAP table BAPIFRML_CHAR_USAGEX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIFRML_CHAR_USAGEX
*  INTO TABLE @DATA(IT_BAPIFRML_CHAR_USAGEX2).
*--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_BAPIFRML_CHAR_USAGEX INDEX 1 INTO DATA(WA_BAPIFRML_CHAR_USAGEX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIFRML_CHAR_USAGEX>-SELECTION_GUID = 1.
<BAPIFRML_CHAR_USAGEX>-PRIMARYKEY = 1.
<BAPIFRML_CHAR_USAGEX>-FLGPRIMKEY = 1.
<BAPIFRML_CHAR_USAGEX>-FOREIGNKEY = 1.
<BAPIFRML_CHAR_USAGEX>-FLGFRGKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIFRML_CHAR_USAGEX-LINEMODE, sy-vline,
  WA_BAPIFRML_CHAR_USAGEX-STATUS, sy-vline,
  WA_BAPIFRML_CHAR_USAGEX-STATUSCODE, sy-vline,
  WA_BAPIFRML_CHAR_USAGEX-EXTHANDLE, sy-vline,
  WA_BAPIFRML_CHAR_USAGEX-CLIENT, sy-vline,
  WA_BAPIFRML_CHAR_USAGEX-RECORD_NO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIFRML_CHAR_USAGEX 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_BAPIFRML_CHAR_USAGEX 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_BAPIFRML_CHAR_USAGEX INTO WA_BAPIFRML_CHAR_USAGEX.


*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_BAPIFRML_CHAR_USAGEX_STR, 
SELECTION_GUID TYPE STRING,
PRIMARYKEY TYPE STRING,
FLGPRIMKEY TYPE STRING,
FOREIGNKEY TYPE STRING,
FLGFRGKEY TYPE STRING,
LINEMODE TYPE STRING,
STATUS TYPE STRING,
STATUSCODE TYPE STRING,
EXTHANDLE TYPE STRING,
CLIENT TYPE STRING,
RECORD_NO TYPE STRING,
CHNGSTATUS TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
CHANG_NO TYPE STRING,
DEL_IND TYPE STRING,
PARK_IND TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGD_ON TYPE STRING,
CHANGD_BY TYPE STRING,
DATAORIGIN TYPE STRING,
DATA_PROV TYPE STRING,
RECORD_NO_ROOT TYPE STRING,
MASTERTABL TYPE STRING,
REF_RECN TYPE STRING,
RATING TYPE STRING,
VAL_AREA TYPE STRING,
EXCL_IND TYPE STRING,
ACT_IND TYPE STRING,
REL_IND TYPE STRING,
REF_RECNRH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIFRML_CHAR_USAGEX_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_BAPIFRML_CHAR_USAGEX_STR-SELECTION_GUID sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-PRIMARYKEY sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-FLGPRIMKEY sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-FOREIGNKEY sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-FLGFRGKEY sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-LINEMODE sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-STATUS sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-STATUSCODE sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-EXTHANDLE sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-CLIENT sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-RECORD_NO sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-CHNGSTATUS sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-VALID_FROM sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-VALID_TO sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-CHANG_NO sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-DEL_IND sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-PARK_IND sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-CREATED_ON sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-CREATED_BY sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-CHANGD_ON sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-CHANGD_BY sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-DATAORIGIN sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-DATA_PROV sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-RECORD_NO_ROOT sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-MASTERTABL sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-REF_RECN sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-RATING sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-VAL_AREA sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-EXCL_IND sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-ACT_IND sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-REL_IND sy-vline 
WA_BAPIFRML_CHAR_USAGEX_STR-REF_RECNRH sy-vline      INTO ld_text SEPARATED BY SPACE.

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