ABAP Select data from SAP table FIRO_FS_S_HEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRO_FS_S_HEADER
*  INTO TABLE @DATA(IT_FIRO_FS_S_HEADER2).
*--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_FIRO_FS_S_HEADER INDEX 1 INTO DATA(WA_FIRO_FS_S_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRO_FS_S_HEADER>-LUNA = 1.
<FIRO_FS_S_HEADER>-AN = 1.
<FIRO_FS_S_HEADER>-CUI = 1.
<FIRO_FS_S_HEADER>-DEN = 1.
<FIRO_FS_S_HEADER>-ADRESA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRO_FS_S_HEADER-TELEFON, sy-vline,
  WA_FIRO_FS_S_HEADER-REGCOM, sy-vline,
  WA_FIRO_FS_S_HEADER-CAEN, sy-vline,
  WA_FIRO_FS_S_HEADER-CAENE, sy-vline,
  WA_FIRO_FS_S_HEADER-BIFAMC, sy-vline,
  WA_FIRO_FS_S_HEADER-BIFADD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRO_FS_S_HEADER 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_FIRO_FS_S_HEADER 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_FIRO_FS_S_HEADER INTO WA_FIRO_FS_S_HEADER.


*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_FIRO_FS_S_HEADER_STR, 
LUNA TYPE STRING,
AN TYPE STRING,
CUI TYPE STRING,
DEN TYPE STRING,
ADRESA TYPE STRING,
TELEFON TYPE STRING,
REGCOM TYPE STRING,
CAEN TYPE STRING,
CAENE TYPE STRING,
BIFAMC TYPE STRING,
BIFADD TYPE STRING,
BIFA_ART27 TYPE STRING,
TIPBIL TYPE STRING,
INTERES_PUBLIC TYPE STRING,
CODTT TYPE STRING,
CODJJ TYPE STRING,
CODPP TYPE STRING,
NUME_ADMIN TYPE STRING,
NUME_INTOCMIT TYPE STRING,
CALIT_INTOCMIT TYPE STRING,
NRI_INTOCMIT TYPE STRING,
DEN_AUDI TYPE STRING,
NR_AUDI TYPE STRING,
CIF_AUDI TYPE STRING,
TOTALPLATA_A TYPE STRING,
BIFAGG TYPE STRING,
OBLIG_AUDI TYPE STRING,
BIFAAA TYPE STRING,
OPT_AUDI TYPE STRING,
BIFA_APROB TYPE STRING,
D_AUDIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRO_FS_S_HEADER_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_FIRO_FS_S_HEADER_STR-LUNA sy-vline 
WA_FIRO_FS_S_HEADER_STR-AN sy-vline 
WA_FIRO_FS_S_HEADER_STR-CUI sy-vline 
WA_FIRO_FS_S_HEADER_STR-DEN sy-vline 
WA_FIRO_FS_S_HEADER_STR-ADRESA sy-vline 
WA_FIRO_FS_S_HEADER_STR-TELEFON sy-vline 
WA_FIRO_FS_S_HEADER_STR-REGCOM sy-vline 
WA_FIRO_FS_S_HEADER_STR-CAEN sy-vline 
WA_FIRO_FS_S_HEADER_STR-CAENE sy-vline 
WA_FIRO_FS_S_HEADER_STR-BIFAMC sy-vline 
WA_FIRO_FS_S_HEADER_STR-BIFADD sy-vline 
WA_FIRO_FS_S_HEADER_STR-BIFA_ART27 sy-vline 
WA_FIRO_FS_S_HEADER_STR-TIPBIL sy-vline 
WA_FIRO_FS_S_HEADER_STR-INTERES_PUBLIC sy-vline 
WA_FIRO_FS_S_HEADER_STR-CODTT sy-vline 
WA_FIRO_FS_S_HEADER_STR-CODJJ sy-vline 
WA_FIRO_FS_S_HEADER_STR-CODPP sy-vline 
WA_FIRO_FS_S_HEADER_STR-NUME_ADMIN sy-vline 
WA_FIRO_FS_S_HEADER_STR-NUME_INTOCMIT sy-vline 
WA_FIRO_FS_S_HEADER_STR-CALIT_INTOCMIT sy-vline 
WA_FIRO_FS_S_HEADER_STR-NRI_INTOCMIT sy-vline 
WA_FIRO_FS_S_HEADER_STR-DEN_AUDI sy-vline 
WA_FIRO_FS_S_HEADER_STR-NR_AUDI sy-vline 
WA_FIRO_FS_S_HEADER_STR-CIF_AUDI sy-vline 
WA_FIRO_FS_S_HEADER_STR-TOTALPLATA_A sy-vline 
WA_FIRO_FS_S_HEADER_STR-BIFAGG sy-vline 
WA_FIRO_FS_S_HEADER_STR-OBLIG_AUDI sy-vline 
WA_FIRO_FS_S_HEADER_STR-BIFAAA sy-vline 
WA_FIRO_FS_S_HEADER_STR-OPT_AUDI sy-vline 
WA_FIRO_FS_S_HEADER_STR-BIFA_APROB sy-vline 
WA_FIRO_FS_S_HEADER_STR-D_AUDIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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