ABAP Select data from SAP table FILA_RE_PRG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FILA_RE_PRG 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_RE_PRG. 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_RE_PRG 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_RE_PRG TYPE STANDARD TABLE OF FILA_RE_PRG,
      WA_FILA_RE_PRG TYPE FILA_RE_PRG,
      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_RE_PRG> TYPE FILA_RE_PRG.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FILA_RE_PRG
*  INTO TABLE @DATA(IT_FILA_RE_PRG2).
*--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_RE_PRG INDEX 1 INTO DATA(WA_FILA_RE_PRG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FILA_RE_PRG>-MANDT = 1.
<FILA_RE_PRG>-PRGNO = 1.
<FILA_RE_PRG>-REFICAT = 1.
<FILA_RE_PRG>-BUKRS = 1.
<FILA_RE_PRG>-PBUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FILA_RE_PRG-CURRENCY, sy-vline,
  WA_FILA_RE_PRG-GP_DEB_FIN, sy-vline,
  WA_FILA_RE_PRG-GP_CRED_FIN, sy-vline,
  WA_FILA_RE_PRG-GP_DEB_SALB, sy-vline,
  WA_FILA_RE_PRG-GP_CRED_SALB, sy-vline,
  WA_FILA_RE_PRG-FROMDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FILA_RE_PRG 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_RE_PRG 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_RE_PRG INTO WA_FILA_RE_PRG.


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

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

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

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

*Conversion exit ALPHA, internal->external for field GP_CRED_SALB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FILA_RE_PRG-GP_CRED_SALB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FILA_RE_PRG-GP_CRED_SALB.
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_RE_PRG_STR, 
MANDT TYPE STRING,
PRGNO TYPE STRING,
REFICAT TYPE STRING,
BUKRS TYPE STRING,
PBUKRS TYPE STRING,
CURRENCY TYPE STRING,
GP_DEB_FIN TYPE STRING,
GP_CRED_FIN TYPE STRING,
GP_DEB_SALB TYPE STRING,
GP_CRED_SALB TYPE STRING,
FROMDATE TYPE STRING,
TODATE TYPE STRING,
INTEREST TYPE STRING,
INTEREST_INSTAL TYPE STRING,
PRESVAL_MIN TYPE STRING,
PRESVAL_MIN_TR TYPE STRING,
PRESVAL_MAX_PRG TYPE STRING,
PAYMENT_FORM TYPE STRING,
TFM_PERIODICITY TYPE STRING,
VVSINCL TYPE STRING,
TB_JZINSRE TYPE STRING,
TFM_AMMRHYZV TYPE STRING,
SZBMETH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FILA_RE_PRG_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_RE_PRG_STR-MANDT sy-vline 
WA_FILA_RE_PRG_STR-PRGNO sy-vline 
WA_FILA_RE_PRG_STR-REFICAT sy-vline 
WA_FILA_RE_PRG_STR-BUKRS sy-vline 
WA_FILA_RE_PRG_STR-PBUKRS sy-vline 
WA_FILA_RE_PRG_STR-CURRENCY sy-vline 
WA_FILA_RE_PRG_STR-GP_DEB_FIN sy-vline 
WA_FILA_RE_PRG_STR-GP_CRED_FIN sy-vline 
WA_FILA_RE_PRG_STR-GP_DEB_SALB sy-vline 
WA_FILA_RE_PRG_STR-GP_CRED_SALB sy-vline 
WA_FILA_RE_PRG_STR-FROMDATE sy-vline 
WA_FILA_RE_PRG_STR-TODATE sy-vline 
WA_FILA_RE_PRG_STR-INTEREST sy-vline 
WA_FILA_RE_PRG_STR-INTEREST_INSTAL sy-vline 
WA_FILA_RE_PRG_STR-PRESVAL_MIN sy-vline 
WA_FILA_RE_PRG_STR-PRESVAL_MIN_TR sy-vline 
WA_FILA_RE_PRG_STR-PRESVAL_MAX_PRG sy-vline 
WA_FILA_RE_PRG_STR-PAYMENT_FORM sy-vline 
WA_FILA_RE_PRG_STR-TFM_PERIODICITY sy-vline 
WA_FILA_RE_PRG_STR-VVSINCL sy-vline 
WA_FILA_RE_PRG_STR-TB_JZINSRE sy-vline 
WA_FILA_RE_PRG_STR-TFM_AMMRHYZV sy-vline 
WA_FILA_RE_PRG_STR-SZBMETH sy-vline      INTO ld_text SEPARATED BY SPACE.

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