ABAP Select data from SAP table FES4322_EB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FES4322_EB 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 FES4322_EB. 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 FES4322_EB 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_FES4322_EB TYPE STANDARD TABLE OF FES4322_EB,
      WA_FES4322_EB TYPE FES4322_EB,
      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: <FES4322_EB> TYPE FES4322_EB.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FES4322_EB.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FES4322_EB
  INTO TABLE IT_FES4322_EB.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FES4322_EB
*  INTO TABLE @DATA(IT_FES4322_EB2).
*--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_FES4322_EB INDEX 1 INTO DATA(WA_FES4322_EB2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FES4322_EB ASSIGNING <FES4322_EB>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FES4322_EB>-RECTP = 1.
<FES4322_EB>-FILL4 = 1.
<FES4322_EB>-OFORI = 1.
<FES4322_EB>-OPDAT = 1.
<FES4322_EB>-VALUT = 1.

ENDLOOP.

LOOP AT IT_FES4322_EB INTO WA_FES4322_EB.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FES4322_EB-CONCC, sy-vline,
  WA_FES4322_EB-CONCP, sy-vline,
  WA_FES4322_EB-INDSH, sy-vline,
  WA_FES4322_EB-MONTA, sy-vline,
  WA_FES4322_EB-NUDOC, sy-vline,
  WA_FES4322_EB-REFE1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FES4322_EB 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_FES4322_EB 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_FES4322_EB INTO WA_FES4322_EB.


*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_FES4322_EB_STR, 
RECTP TYPE STRING,
FILL4 TYPE STRING,
OFORI TYPE STRING,
OPDAT TYPE STRING,
VALUT TYPE STRING,
CONCC TYPE STRING,
CONCP TYPE STRING,
INDSH TYPE STRING,
MONTA TYPE STRING,
NUDOC TYPE STRING,
REFE1 TYPE STRING,
REFE2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FES4322_EB_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_FES4322_EB_STR-RECTP sy-vline 
WA_FES4322_EB_STR-FILL4 sy-vline 
WA_FES4322_EB_STR-OFORI sy-vline 
WA_FES4322_EB_STR-OPDAT sy-vline 
WA_FES4322_EB_STR-VALUT sy-vline 
WA_FES4322_EB_STR-CONCC sy-vline 
WA_FES4322_EB_STR-CONCP sy-vline 
WA_FES4322_EB_STR-INDSH sy-vline 
WA_FES4322_EB_STR-MONTA sy-vline 
WA_FES4322_EB_STR-NUDOC sy-vline 
WA_FES4322_EB_STR-REFE1 sy-vline 
WA_FES4322_EB_STR-REFE2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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