ABAP Select data from SAP table /MDG/_SX_0F_FRSI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /MDG/_SX_0F_FRSI 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 /MDG/_SX_0F_FRSI. 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 /MDG/_SX_0F_FRSI 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_/MDG/_SX_0F_FRSI TYPE STANDARD TABLE OF /MDG/_SX_0F_FRSI,
      WA_/MDG/_SX_0F_FRSI TYPE /MDG/_SX_0F_FRSI,
      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: </MDG/_SX_0F_FRSI> TYPE /MDG/_SX_0F_FRSI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/MDG/_SX_0F_FRSI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /MDG/_SX_0F_FRSI
  INTO TABLE IT_/MDG/_SX_0F_FRSI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MDG/_SX_0F_FRSI
*  INTO TABLE @DATA(IT_/MDG/_SX_0F_FRSI2).
*--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_/MDG/_SX_0F_FRSI INDEX 1 INTO DATA(WA_/MDG/_SX_0F_FRSI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/MDG/_SX_0F_FRSI ASSIGNING </MDG/_SX_0F_FRSI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MDG/_SX_0F_FRSI>-USMD_ACTIONCODE = 1.
</MDG/_SX_0F_FRSI>-DIS_SYSTEM = 1.
</MDG/_SX_0F_FRSI>-USMD_EDITION = 1.
</MDG/_SX_0F_FRSI>-COA = 1.
</MDG/_SX_0F_FRSI>-FRS = 1.

ENDLOOP.

LOOP AT IT_/MDG/_SX_0F_FRSI INTO WA_/MDG/_SX_0F_FRSI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MDG/_SX_0F_FRSI-FRSI, sy-vline,
  WA_/MDG/_SX_0F_FRSI-FRSIASSTY, sy-vline,
  WA_/MDG/_SX_0F_FRSI-FRSICONTR, sy-vline,
  WA_/MDG/_SX_0F_FRSI-FRSIDTEND, sy-vline,
  WA_/MDG/_SX_0F_FRSI-FRSIDTGRA, sy-vline,
  WA_/MDG/_SX_0F_FRSI-FRSISIGNC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MDG/_SX_0F_FRSI 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_/MDG/_SX_0F_FRSI 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_/MDG/_SX_0F_FRSI INTO WA_/MDG/_SX_0F_FRSI.


*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 USMD_EDITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-USMD_EDITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-USMD_EDITION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FRS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-FRS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-FRS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FRSICONTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-FRSICONTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-FRSICONTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field USMD_ENT_CHNG_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-USMD_ENT_CHNG_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-USMD_ENT_CHNG_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field USMD_ENT_CRTD_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-USMD_ENT_CRTD_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-USMD_ENT_CRTD_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEQNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-SEQNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-SEQNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCFRSIAF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-ACCFRSIAF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-ACCFRSIAF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCFRSIAT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-ACCFRSIAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-ACCFRSIAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_SX_0F_FRSI-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_SX_0F_FRSI-LANGUAGE.
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_/MDG/_SX_0F_FRSI_STR, 
USMD_ACTIONCODE TYPE STRING,
DIS_SYSTEM TYPE STRING,
USMD_EDITION TYPE STRING,
COA TYPE STRING,
FRS TYPE STRING,
FRSI TYPE STRING,
FRSIASSTY TYPE STRING,
FRSICONTR TYPE STRING,
FRSIDTEND TYPE STRING,
FRSIDTGRA TYPE STRING,
FRSISIGNC TYPE STRING,
TXTLG TYPE STRING,
TXTMI TYPE STRING,
TXTSH TYPE STRING,
USMD_ENT_CHNG_AT TYPE STRING,
USMD_ENT_CHNG_BY TYPE STRING,
USMD_ENT_CRTD_AT TYPE STRING,
USMD_ENT_CRTD_BY TYPE STRING,
LANGU TYPE STRING,
SEQNUM TYPE STRING,
ACCFRSIAF TYPE STRING,
ACCFRSIAT TYPE STRING,
FAFRSIFF TYPE STRING,
FAFRSIFT TYPE STRING,
FRSIACCRE TYPE STRING,
FRSIACDEB TYPE STRING,
LANGUAGE TYPE STRING,
FRSITBEG TYPE STRING,
FRSITEND TYPE STRING,
FRSITTOT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MDG/_SX_0F_FRSI_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_/MDG/_SX_0F_FRSI_STR-USMD_ACTIONCODE sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-DIS_SYSTEM sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-USMD_EDITION sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-COA sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRS sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSI sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSIASSTY sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSICONTR sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSIDTEND sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSIDTGRA sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSISIGNC sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-TXTLG sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-TXTMI sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-TXTSH sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-USMD_ENT_CHNG_AT sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-USMD_ENT_CHNG_BY sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-USMD_ENT_CRTD_AT sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-USMD_ENT_CRTD_BY sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-LANGU sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-SEQNUM sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-ACCFRSIAF sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-ACCFRSIAT sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FAFRSIFF sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FAFRSIFT sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSIACCRE sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSIACDEB sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-LANGUAGE sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSITBEG sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSITEND sy-vline 
WA_/MDG/_SX_0F_FRSI_STR-FRSITTOT sy-vline      INTO ld_text SEPARATED BY SPACE.

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