ABAP Select data from SAP table FMCA_INV_S_INV_EURO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCA_INV_S_INV_EURO
*  INTO TABLE @DATA(IT_FMCA_INV_S_INV_EURO2).
*--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_FMCA_INV_S_INV_EURO INDEX 1 INTO DATA(WA_FMCA_INV_S_INV_EURO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCA_INV_S_INV_EURO>-WA_INV_EURO = 1.
<FMCA_INV_S_INV_EURO>-MANDT = 1.
<FMCA_INV_S_INV_EURO>-INVNR = 1.
<FMCA_INV_S_INV_EURO>-INVTP = 1.
<FMCA_INV_S_INV_EURO>-GPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCA_INV_S_INV_EURO-VKONT, sy-vline,
  WA_FMCA_INV_S_INV_EURO-OPBUK, sy-vline,
  WA_FMCA_INV_S_INV_EURO-STDBK, sy-vline,
  WA_FMCA_INV_S_INV_EURO-VTREF, sy-vline,
  WA_FMCA_INV_S_INV_EURO-SUBAP, sy-vline,
  WA_FMCA_INV_S_INV_EURO-LAUFD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCA_INV_S_INV_EURO 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_FMCA_INV_S_INV_EURO 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_FMCA_INV_S_INV_EURO INTO WA_FMCA_INV_S_INV_EURO.


*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 INVNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_INV_S_INV_EURO-INVNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_INV_S_INV_EURO-INVNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field VTREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_INV_S_INV_EURO-VTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_INV_S_INV_EURO-VTREF.
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_FMCA_INV_S_INV_EURO_STR, 
WA_INV_EURO TYPE STRING,
MANDT TYPE STRING,
INVNR TYPE STRING,
INVTP TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
OPBUK TYPE STRING,
STDBK TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
LAUFD TYPE STRING,
LAUFI TYPE STRING,
SLART TYPE STRING,
WAERS TYPE STRING,
BETRW TYPE STRING,
RFZAS TYPE STRING,
XSIMU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCA_INV_S_INV_EURO_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_FMCA_INV_S_INV_EURO_STR-WA_INV_EURO sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-MANDT sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-INVNR sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-INVTP sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-GPART sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-VKONT sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-OPBUK sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-STDBK sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-VTREF sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-SUBAP sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-LAUFD sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-LAUFI sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-SLART sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-WAERS sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-BETRW sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-RFZAS sy-vline 
WA_FMCA_INV_S_INV_EURO_STR-XSIMU sy-vline      INTO ld_text SEPARATED BY SPACE.

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