ABAP Select data from SAP table FILA_ACINF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FILA_ACINF
*  INTO TABLE @DATA(IT_FILA_ACINF2).
*--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_FILA_ACINF INDEX 1 INTO DATA(WA_FILA_ACINF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FILA_ACINF>-TRAVA = 1.
<FILA_ACINF>-ANLKL = 1.
<FILA_ACINF>-GSBER = 1.
<FILA_ACINF>-KOSTL = 1.
<FILA_ACINF>-CAUFN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FILA_ACINF-TXT50, sy-vline,
  WA_FILA_ACINF-ANLUE, sy-vline,
  WA_FILA_ACINF-INVNR, sy-vline,
  WA_FILA_ACINF-ORD41, sy-vline,
  WA_FILA_ACINF-ORD42, sy-vline,
  WA_FILA_ACINF-ORD43, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FILA_ACINF 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_FILA_ACINF 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_FILA_ACINF INTO WA_FILA_ACINF.


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

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

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

*Conversion exit ALPHA, internal->external for field CAUFN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FILA_ACINF-CAUFN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FILA_ACINF-CAUFN.
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_FILA_ACINF_STR, 
TRAVA TYPE STRING,
ANLKL TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
CAUFN TYPE STRING,
TXT50 TYPE STRING,
ANLUE TYPE STRING,
INVNR TYPE STRING,
ORD41 TYPE STRING,
ORD42 TYPE STRING,
ORD43 TYPE STRING,
ORD44 TYPE STRING,
GDLGRP TYPE STRING,
XSTIL TYPE STRING,
ADATU TYPE STRING,
BDATU TYPE STRING,
DEAKT TYPE STRING,
XSENDING TYPE STRING,
XWITHREF TYPE STRING,
XSUBNO TYPE STRING,
XDEAKT TYPE STRING,
XORD41 TYPE STRING,
XORD42 TYPE STRING,
XORD43 TYPE STRING,
XORD44 TYPE STRING,
XGDLGRP TYPE STRING,
XXSTIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FILA_ACINF_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_FILA_ACINF_STR-TRAVA sy-vline 
WA_FILA_ACINF_STR-ANLKL sy-vline 
WA_FILA_ACINF_STR-GSBER sy-vline 
WA_FILA_ACINF_STR-KOSTL sy-vline 
WA_FILA_ACINF_STR-CAUFN sy-vline 
WA_FILA_ACINF_STR-TXT50 sy-vline 
WA_FILA_ACINF_STR-ANLUE sy-vline 
WA_FILA_ACINF_STR-INVNR sy-vline 
WA_FILA_ACINF_STR-ORD41 sy-vline 
WA_FILA_ACINF_STR-ORD42 sy-vline 
WA_FILA_ACINF_STR-ORD43 sy-vline 
WA_FILA_ACINF_STR-ORD44 sy-vline 
WA_FILA_ACINF_STR-GDLGRP sy-vline 
WA_FILA_ACINF_STR-XSTIL sy-vline 
WA_FILA_ACINF_STR-ADATU sy-vline 
WA_FILA_ACINF_STR-BDATU sy-vline 
WA_FILA_ACINF_STR-DEAKT sy-vline 
WA_FILA_ACINF_STR-XSENDING sy-vline 
WA_FILA_ACINF_STR-XWITHREF sy-vline 
WA_FILA_ACINF_STR-XSUBNO sy-vline 
WA_FILA_ACINF_STR-XDEAKT sy-vline 
WA_FILA_ACINF_STR-XORD41 sy-vline 
WA_FILA_ACINF_STR-XORD42 sy-vline 
WA_FILA_ACINF_STR-XORD43 sy-vline 
WA_FILA_ACINF_STR-XORD44 sy-vline 
WA_FILA_ACINF_STR-XGDLGRP sy-vline 
WA_FILA_ACINF_STR-XXSTIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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