ABAP Select data from SAP table FILC_EX_G into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FILC_EX_G
*  INTO TABLE @DATA(IT_FILC_EX_G2).
*--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_FILC_EX_G INDEX 1 INTO DATA(WA_FILC_EX_G2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FILC_EX_G>-RCOMP = 1.
<FILC_EX_G>-GSBER = 1.
<FILC_EX_G>-RYEAR = 1.
<FILC_EX_G>-RRCTY = 1.
<FILC_EX_G>-RVERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FILC_EX_G-PERID, sy-vline,
  WA_FILC_EX_G-RACCT, sy-vline,
  WA_FILC_EX_G-HKONT, sy-vline,
  WA_FILC_EX_G-RMVCT, sy-vline,
  WA_FILC_EX_G-RASSC, sy-vline,
  WA_FILC_EX_G-PARGB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FILC_EX_G 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_FILC_EX_G 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_FILC_EX_G INTO WA_FILC_EX_G.


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

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FILC_EX_G-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FILC_EX_G-RYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit GJAHR, internal->external for field RYACQ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FILC_EX_G-RYACQ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FILC_EX_G-RYACQ.
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_FILC_EX_G_STR, 
RCOMP TYPE STRING,
GSBER TYPE STRING,
RYEAR TYPE STRING,
RRCTY TYPE STRING,
RVERS TYPE STRING,
PERID TYPE STRING,
RACCT TYPE STRING,
HKONT TYPE STRING,
RMVCT TYPE STRING,
RASSC TYPE STRING,
PARGB TYPE STRING,
RYACQ TYPE STRING,
RPACQ TYPE STRING,
RTCUR TYPE STRING,
HSL TYPE STRING,
TSL TYPE STRING,
KSL TYPE STRING,
SIGN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FILC_EX_G_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_FILC_EX_G_STR-RCOMP sy-vline 
WA_FILC_EX_G_STR-GSBER sy-vline 
WA_FILC_EX_G_STR-RYEAR sy-vline 
WA_FILC_EX_G_STR-RRCTY sy-vline 
WA_FILC_EX_G_STR-RVERS sy-vline 
WA_FILC_EX_G_STR-PERID sy-vline 
WA_FILC_EX_G_STR-RACCT sy-vline 
WA_FILC_EX_G_STR-HKONT sy-vline 
WA_FILC_EX_G_STR-RMVCT sy-vline 
WA_FILC_EX_G_STR-RASSC sy-vline 
WA_FILC_EX_G_STR-PARGB sy-vline 
WA_FILC_EX_G_STR-RYACQ sy-vline 
WA_FILC_EX_G_STR-RPACQ sy-vline 
WA_FILC_EX_G_STR-RTCUR sy-vline 
WA_FILC_EX_G_STR-HSL sy-vline 
WA_FILC_EX_G_STR-TSL sy-vline 
WA_FILC_EX_G_STR-KSL sy-vline 
WA_FILC_EX_G_STR-SIGN sy-vline      INTO ld_text SEPARATED BY SPACE.

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