ABAP Select data from SAP table FISI_ANNOTA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FISI_ANNOTA
*  INTO TABLE @DATA(IT_FISI_ANNOTA2).
*--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_FISI_ANNOTA INDEX 1 INTO DATA(WA_FISI_ANNOTA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FISI_ANNOTA>-NAMESPACE = 1.
<FISI_ANNOTA>-ENTITYTYPE = 1.
<FISI_ANNOTA>-PROPERTY = 1.
<FISI_ANNOTA>-VLSEARCHHELP = 1.
<FISI_ANNOTA>-VLSEARCHHELPFIELD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FISI_ANNOTA-VLENTITYTYPE, sy-vline,
  WA_FISI_ANNOTA-VLENTITYSET, sy-vline,
  WA_FISI_ANNOTA-VLPROPERTY, sy-vline,
  WA_FISI_ANNOTA-VLCODEPROPERTY, sy-vline,
  WA_FISI_ANNOTA-VLTEXTPROPERTY, sy-vline,
  WA_FISI_ANNOTA-CODETEXTPROPERTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FISI_ANNOTA 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_FISI_ANNOTA 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_FISI_ANNOTA INTO WA_FISI_ANNOTA.


*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_FISI_ANNOTA_STR, 
NAMESPACE TYPE STRING,
ENTITYTYPE TYPE STRING,
PROPERTY TYPE STRING,
VLSEARCHHELP TYPE STRING,
VLSEARCHHELPFIELD TYPE STRING,
VLENTITYTYPE TYPE STRING,
VLENTITYSET TYPE STRING,
VLPROPERTY TYPE STRING,
VLCODEPROPERTY TYPE STRING,
VLTEXTPROPERTY TYPE STRING,
CODETEXTPROPERTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FISI_ANNOTA_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_FISI_ANNOTA_STR-NAMESPACE sy-vline 
WA_FISI_ANNOTA_STR-ENTITYTYPE sy-vline 
WA_FISI_ANNOTA_STR-PROPERTY sy-vline 
WA_FISI_ANNOTA_STR-VLSEARCHHELP sy-vline 
WA_FISI_ANNOTA_STR-VLSEARCHHELPFIELD sy-vline 
WA_FISI_ANNOTA_STR-VLENTITYTYPE sy-vline 
WA_FISI_ANNOTA_STR-VLENTITYSET sy-vline 
WA_FISI_ANNOTA_STR-VLPROPERTY sy-vline 
WA_FISI_ANNOTA_STR-VLCODEPROPERTY sy-vline 
WA_FISI_ANNOTA_STR-VLTEXTPROPERTY sy-vline 
WA_FISI_ANNOTA_STR-CODETEXTPROPERTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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