ABAP Select data from SAP table BW_FI_TV_HEAD into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BW_FI_TV_HEAD 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 BW_FI_TV_HEAD. 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 BW_FI_TV_HEAD 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_BW_FI_TV_HEAD TYPE STANDARD TABLE OF BW_FI_TV_HEAD,
      WA_BW_FI_TV_HEAD TYPE BW_FI_TV_HEAD,
      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: <BW_FI_TV_HEAD> TYPE BW_FI_TV_HEAD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BW_FI_TV_HEAD
*  INTO TABLE @DATA(IT_BW_FI_TV_HEAD2).
*--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_BW_FI_TV_HEAD INDEX 1 INTO DATA(WA_BW_FI_TV_HEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BW_FI_TV_HEAD>-MANDT = 1.
<BW_FI_TV_HEAD>-PERNR = 1.
<BW_FI_TV_HEAD>-REINR = 1.
<BW_FI_TV_HEAD>-HDVRS = 1.
<BW_FI_TV_HEAD>-MOLGA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BW_FI_TV_HEAD-MOREI, sy-vline,
  WA_BW_FI_TV_HEAD-SCHEM, sy-vline,
  WA_BW_FI_TV_HEAD-KZREA, sy-vline,
  WA_BW_FI_TV_HEAD-BEREI, sy-vline,
  WA_BW_FI_TV_HEAD-KZTKT, sy-vline,
  WA_BW_FI_TV_HEAD-ZLAND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BW_FI_TV_HEAD 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_BW_FI_TV_HEAD 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_BW_FI_TV_HEAD INTO WA_BW_FI_TV_HEAD.


*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_BW_FI_TV_HEAD_STR, 
MANDT TYPE STRING,
PERNR TYPE STRING,
REINR TYPE STRING,
HDVRS TYPE STRING,
MOLGA TYPE STRING,
MOREI TYPE STRING,
SCHEM TYPE STRING,
KZREA TYPE STRING,
BEREI TYPE STRING,
KZTKT TYPE STRING,
ZLAND TYPE STRING,
HRGIO TYPE STRING,
DATV1 TYPE STRING,
UHRV1 TYPE STRING,
DATB1 TYPE STRING,
UHRB1 TYPE STRING,
PERIO TYPE STRING,
PDVRS TYPE STRING,
ANTRG TYPE STRING,
ABREC TYPE STRING,
UEBLG TYPE STRING,
UEBRF TYPE STRING,
UEBDT TYPE STRING,
WAERS TYPE STRING,
VERPA TYPE STRING,
UEBKZ TYPE STRING,
ACCDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BW_FI_TV_HEAD_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_BW_FI_TV_HEAD_STR-MANDT sy-vline 
WA_BW_FI_TV_HEAD_STR-PERNR sy-vline 
WA_BW_FI_TV_HEAD_STR-REINR sy-vline 
WA_BW_FI_TV_HEAD_STR-HDVRS sy-vline 
WA_BW_FI_TV_HEAD_STR-MOLGA sy-vline 
WA_BW_FI_TV_HEAD_STR-MOREI sy-vline 
WA_BW_FI_TV_HEAD_STR-SCHEM sy-vline 
WA_BW_FI_TV_HEAD_STR-KZREA sy-vline 
WA_BW_FI_TV_HEAD_STR-BEREI sy-vline 
WA_BW_FI_TV_HEAD_STR-KZTKT sy-vline 
WA_BW_FI_TV_HEAD_STR-ZLAND sy-vline 
WA_BW_FI_TV_HEAD_STR-HRGIO sy-vline 
WA_BW_FI_TV_HEAD_STR-DATV1 sy-vline 
WA_BW_FI_TV_HEAD_STR-UHRV1 sy-vline 
WA_BW_FI_TV_HEAD_STR-DATB1 sy-vline 
WA_BW_FI_TV_HEAD_STR-UHRB1 sy-vline 
WA_BW_FI_TV_HEAD_STR-PERIO sy-vline 
WA_BW_FI_TV_HEAD_STR-PDVRS sy-vline 
WA_BW_FI_TV_HEAD_STR-ANTRG sy-vline 
WA_BW_FI_TV_HEAD_STR-ABREC sy-vline 
WA_BW_FI_TV_HEAD_STR-UEBLG sy-vline 
WA_BW_FI_TV_HEAD_STR-UEBRF sy-vline 
WA_BW_FI_TV_HEAD_STR-UEBDT sy-vline 
WA_BW_FI_TV_HEAD_STR-WAERS sy-vline 
WA_BW_FI_TV_HEAD_STR-VERPA sy-vline 
WA_BW_FI_TV_HEAD_STR-UEBKZ sy-vline 
WA_BW_FI_TV_HEAD_STR-ACCDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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