ABAP Select data from SAP table FGLV_BCF_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FGLV_BCF_INFO
*  INTO TABLE @DATA(IT_FGLV_BCF_INFO2).
*--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_FGLV_BCF_INFO INDEX 1 INTO DATA(WA_FGLV_BCF_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FGLV_BCF_INFO>-MANDT = 1.
<FGLV_BCF_INFO>-RUN_ID = 1.
<FGLV_BCF_INFO>-RLDNR = 1.
<FGLV_BCF_INFO>-BUKRS = 1.
<FGLV_BCF_INFO>-SEQNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FGLV_BCF_INFO-FROM_YEAR, sy-vline,
  WA_FGLV_BCF_INFO-TO_YEAR, sy-vline,
  WA_FGLV_BCF_INFO-XTESTMODE, sy-vline,
  WA_FGLV_BCF_INFO-XREACC, sy-vline,
  WA_FGLV_BCF_INFO-XINIT, sy-vline,
  WA_FGLV_BCF_INFO-XINIT_AA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FGLV_BCF_INFO 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_FGLV_BCF_INFO 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_FGLV_BCF_INFO INTO WA_FGLV_BCF_INFO.


*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.

*Conversion exit ALPHA, internal->external for field RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FGLV_BCF_INFO-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FGLV_BCF_INFO-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FROM_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FGLV_BCF_INFO-FROM_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FGLV_BCF_INFO-FROM_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field TO_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FGLV_BCF_INFO-TO_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FGLV_BCF_INFO-TO_YEAR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FGLV_BCF_INFO_STR, 
MANDT TYPE STRING,
RUN_ID TYPE STRING,
RLDNR TYPE STRING,
BUKRS TYPE STRING,
SEQNO TYPE STRING,
FROM_YEAR TYPE STRING,
TO_YEAR TYPE STRING,
XTESTMODE TYPE STRING,
XREACC TYPE STRING,
XINIT TYPE STRING,
XINIT_AA TYPE STRING,
UNAME TYPE STRING,
TIMESTAMP TYPE STRING,
APPL_LOG_EXT_ID TYPE STRING,
APPL_LOG_NUMBER TYPE STRING,
XACTIVATE_ONLY TYPE STRING,
DBCNT_PL TYPE STRING,
DBCNT_BS TYPE STRING,
NUM_IMSG TYPE STRING,
NUM_SMSG TYPE STRING,
NUM_WMSG TYPE STRING,
NUM_EMSG TYPE STRING,
XINITIAL_RUN TYPE STRING,
XSUCCESS TYPE STRING,
XINITIALIZED TYPE STRING,
XDELTA_NEEDED TYPE STRING,
PERIV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FGLV_BCF_INFO_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_FGLV_BCF_INFO_STR-MANDT sy-vline 
WA_FGLV_BCF_INFO_STR-RUN_ID sy-vline 
WA_FGLV_BCF_INFO_STR-RLDNR sy-vline 
WA_FGLV_BCF_INFO_STR-BUKRS sy-vline 
WA_FGLV_BCF_INFO_STR-SEQNO sy-vline 
WA_FGLV_BCF_INFO_STR-FROM_YEAR sy-vline 
WA_FGLV_BCF_INFO_STR-TO_YEAR sy-vline 
WA_FGLV_BCF_INFO_STR-XTESTMODE sy-vline 
WA_FGLV_BCF_INFO_STR-XREACC sy-vline 
WA_FGLV_BCF_INFO_STR-XINIT sy-vline 
WA_FGLV_BCF_INFO_STR-XINIT_AA sy-vline 
WA_FGLV_BCF_INFO_STR-UNAME sy-vline 
WA_FGLV_BCF_INFO_STR-TIMESTAMP sy-vline 
WA_FGLV_BCF_INFO_STR-APPL_LOG_EXT_ID sy-vline 
WA_FGLV_BCF_INFO_STR-APPL_LOG_NUMBER sy-vline 
WA_FGLV_BCF_INFO_STR-XACTIVATE_ONLY sy-vline 
WA_FGLV_BCF_INFO_STR-DBCNT_PL sy-vline 
WA_FGLV_BCF_INFO_STR-DBCNT_BS sy-vline 
WA_FGLV_BCF_INFO_STR-NUM_IMSG sy-vline 
WA_FGLV_BCF_INFO_STR-NUM_SMSG sy-vline 
WA_FGLV_BCF_INFO_STR-NUM_WMSG sy-vline 
WA_FGLV_BCF_INFO_STR-NUM_EMSG sy-vline 
WA_FGLV_BCF_INFO_STR-XINITIAL_RUN sy-vline 
WA_FGLV_BCF_INFO_STR-XSUCCESS sy-vline 
WA_FGLV_BCF_INFO_STR-XINITIALIZED sy-vline 
WA_FGLV_BCF_INFO_STR-XDELTA_NEEDED sy-vline 
WA_FGLV_BCF_INFO_STR-PERIV sy-vline      INTO ld_text SEPARATED BY SPACE.

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