ABAP Select data from SAP table J_3RF_CURR_CONTROL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RF_CURR_CONTROL 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 J_3RF_CURR_CONTROL. 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 J_3RF_CURR_CONTROL 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_J_3RF_CURR_CONTROL TYPE STANDARD TABLE OF J_3RF_CURR_CONTROL,
      WA_J_3RF_CURR_CONTROL TYPE J_3RF_CURR_CONTROL,
      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: <J_3RF_CURR_CONTROL> TYPE J_3RF_CURR_CONTROL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RF_CURR_CONTROL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RF_CURR_CONTROL
  INTO TABLE IT_J_3RF_CURR_CONTROL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RF_CURR_CONTROL
*  INTO TABLE @DATA(IT_J_3RF_CURR_CONTROL2).
*--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_J_3RF_CURR_CONTROL INDEX 1 INTO DATA(WA_J_3RF_CURR_CONTROL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RF_CURR_CONTROL ASSIGNING <J_3RF_CURR_CONTROL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RF_CURR_CONTROL>-ICON_STATUS = 1.
<J_3RF_CURR_CONTROL>-BUKRS = 1.
<J_3RF_CURR_CONTROL>-INTCNUM = 1.
<J_3RF_CURR_CONTROL>-EXTCNUM = 1.
<J_3RF_CURR_CONTROL>-INTPODNUM = 1.

ENDLOOP.

LOOP AT IT_J_3RF_CURR_CONTROL INTO WA_J_3RF_CURR_CONTROL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RF_CURR_CONTROL-EXTPODNUM, sy-vline,
  WA_J_3RF_CURR_CONTROL-POD_TYPE, sy-vline,
  WA_J_3RF_CURR_CONTROL-NOT_REL, sy-vline,
  WA_J_3RF_CURR_CONTROL-WAERS, sy-vline,
  WA_J_3RF_CURR_CONTROL-LIFNR, sy-vline,
  WA_J_3RF_CURR_CONTROL-LIFNR_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RF_CURR_CONTROL 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_J_3RF_CURR_CONTROL 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_J_3RF_CURR_CONTROL INTO WA_J_3RF_CURR_CONTROL.


*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 INTPODNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-INTPODNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-INTPODNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field POD_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-POD_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-POD_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field PMNT_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-PMNT_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-PMNT_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field SHIP_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-SHIP_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-SHIP_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field SVO_AMOUNT_APP
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-SVO_AMOUNT_APP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-SVO_AMOUNT_APP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field SPD_AMOUNT_APP
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-SPD_AMOUNT_APP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-SPD_AMOUNT_APP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field SVO_AMOUNT_NOTAPP
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-SVO_AMOUNT_NOTAPP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-SVO_AMOUNT_NOTAPP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field SPD_AMOUNT_NOTAPP
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-SPD_AMOUNT_NOTAPP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-SPD_AMOUNT_NOTAPP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field REMAIN_AMNT_PMNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-REMAIN_AMNT_PMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-REMAIN_AMNT_PMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field REMAIN_AMNT_SHIP
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_CURR_CONTROL-REMAIN_AMNT_SHIP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_CURR_CONTROL-REMAIN_AMNT_SHIP.
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_J_3RF_CURR_CONTROL_STR, 
ICON_STATUS TYPE STRING,
BUKRS TYPE STRING,
INTCNUM TYPE STRING,
EXTCNUM TYPE STRING,
INTPODNUM TYPE STRING,
EXTPODNUM TYPE STRING,
POD_TYPE TYPE STRING,
NOT_REL TYPE STRING,
WAERS TYPE STRING,
LIFNR TYPE STRING,
LIFNR_NAME TYPE STRING,
KUNNR TYPE STRING,
KUNNR_NAME TYPE STRING,
BANK_NAME TYPE STRING,
POD_AMOUNT TYPE STRING,
PMNT_AMOUNT TYPE STRING,
SHIP_AMOUNT TYPE STRING,
SVO_AMOUNT_APP TYPE STRING,
SPD_AMOUNT_APP TYPE STRING,
SVO_AMOUNT_NOTAPP TYPE STRING,
SPD_AMOUNT_NOTAPP TYPE STRING,
REMAIN_AMNT_PMNT TYPE STRING,
REMAIN_AMNT_SHIP TYPE STRING,
REMAIN_PRCNT_PMNT TYPE STRING,
REMAIN_PRCNT_SHIP TYPE STRING,
CRDATE TYPE STRING,
ENDDATE TYPE STRING,
REMAIN_DAYS TYPE STRING,
CNT_FULOBL TYPE STRING,
MSGNR TYPE STRING,
MSGTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RF_CURR_CONTROL_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_J_3RF_CURR_CONTROL_STR-ICON_STATUS sy-vline 
WA_J_3RF_CURR_CONTROL_STR-BUKRS sy-vline 
WA_J_3RF_CURR_CONTROL_STR-INTCNUM sy-vline 
WA_J_3RF_CURR_CONTROL_STR-EXTCNUM sy-vline 
WA_J_3RF_CURR_CONTROL_STR-INTPODNUM sy-vline 
WA_J_3RF_CURR_CONTROL_STR-EXTPODNUM sy-vline 
WA_J_3RF_CURR_CONTROL_STR-POD_TYPE sy-vline 
WA_J_3RF_CURR_CONTROL_STR-NOT_REL sy-vline 
WA_J_3RF_CURR_CONTROL_STR-WAERS sy-vline 
WA_J_3RF_CURR_CONTROL_STR-LIFNR sy-vline 
WA_J_3RF_CURR_CONTROL_STR-LIFNR_NAME sy-vline 
WA_J_3RF_CURR_CONTROL_STR-KUNNR sy-vline 
WA_J_3RF_CURR_CONTROL_STR-KUNNR_NAME sy-vline 
WA_J_3RF_CURR_CONTROL_STR-BANK_NAME sy-vline 
WA_J_3RF_CURR_CONTROL_STR-POD_AMOUNT sy-vline 
WA_J_3RF_CURR_CONTROL_STR-PMNT_AMOUNT sy-vline 
WA_J_3RF_CURR_CONTROL_STR-SHIP_AMOUNT sy-vline 
WA_J_3RF_CURR_CONTROL_STR-SVO_AMOUNT_APP sy-vline 
WA_J_3RF_CURR_CONTROL_STR-SPD_AMOUNT_APP sy-vline 
WA_J_3RF_CURR_CONTROL_STR-SVO_AMOUNT_NOTAPP sy-vline 
WA_J_3RF_CURR_CONTROL_STR-SPD_AMOUNT_NOTAPP sy-vline 
WA_J_3RF_CURR_CONTROL_STR-REMAIN_AMNT_PMNT sy-vline 
WA_J_3RF_CURR_CONTROL_STR-REMAIN_AMNT_SHIP sy-vline 
WA_J_3RF_CURR_CONTROL_STR-REMAIN_PRCNT_PMNT sy-vline 
WA_J_3RF_CURR_CONTROL_STR-REMAIN_PRCNT_SHIP sy-vline 
WA_J_3RF_CURR_CONTROL_STR-CRDATE sy-vline 
WA_J_3RF_CURR_CONTROL_STR-ENDDATE sy-vline 
WA_J_3RF_CURR_CONTROL_STR-REMAIN_DAYS sy-vline 
WA_J_3RF_CURR_CONTROL_STR-CNT_FULOBL sy-vline 
WA_J_3RF_CURR_CONTROL_STR-MSGNR sy-vline 
WA_J_3RF_CURR_CONTROL_STR-MSGTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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