ABAP Select data from SAP table J_3RFSPD_S_SUPPORTDOC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RFSPD_S_SUPPORTDOC 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_3RFSPD_S_SUPPORTDOC. 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_3RFSPD_S_SUPPORTDOC 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_3RFSPD_S_SUPPORTDOC TYPE STANDARD TABLE OF J_3RFSPD_S_SUPPORTDOC,
      WA_J_3RFSPD_S_SUPPORTDOC TYPE J_3RFSPD_S_SUPPORTDOC,
      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_3RFSPD_S_SUPPORTDOC> TYPE J_3RFSPD_S_SUPPORTDOC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RFSPD_S_SUPPORTDOC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RFSPD_S_SUPPORTDOC
  INTO TABLE IT_J_3RFSPD_S_SUPPORTDOC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RFSPD_S_SUPPORTDOC
*  INTO TABLE @DATA(IT_J_3RFSPD_S_SUPPORTDOC2).
*--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_3RFSPD_S_SUPPORTDOC INDEX 1 INTO DATA(WA_J_3RFSPD_S_SUPPORTDOC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RFSPD_S_SUPPORTDOC ASSIGNING <J_3RFSPD_S_SUPPORTDOC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RFSPD_S_SUPPORTDOC>-CHECKED = 1.
<J_3RFSPD_S_SUPPORTDOC>-BLOCKED = 1.
<J_3RFSPD_S_SUPPORTDOC>-INTPODNUM = 1.
<J_3RFSPD_S_SUPPORTDOC>-EXTPODNUM = 1.
<J_3RFSPD_S_SUPPORTDOC>-PODSTATUS = 1.

ENDLOOP.

LOOP AT IT_J_3RFSPD_S_SUPPORTDOC INTO WA_J_3RFSPD_S_SUPPORTDOC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RFSPD_S_SUPPORTDOC-CRDATE, sy-vline,
  WA_J_3RFSPD_S_SUPPORTDOC-ENDDATE, sy-vline,
  WA_J_3RFSPD_S_SUPPORTDOC-INTCNUM, sy-vline,
  WA_J_3RFSPD_S_SUPPORTDOC-EXTCNUM, sy-vline,
  WA_J_3RFSPD_S_SUPPORTDOC-LINE_NUM, sy-vline,
  WA_J_3RFSPD_S_SUPPORTDOC-DOC_BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RFSPD_S_SUPPORTDOC 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_3RFSPD_S_SUPPORTDOC 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_3RFSPD_S_SUPPORTDOC INTO WA_J_3RFSPD_S_SUPPORTDOC.


*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_3RFSPD_S_SUPPORTDOC-INTPODNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-INTPODNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field DOC_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFSPD_S_SUPPORTDOC-DOC_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-DOC_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOC_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFSPD_S_SUPPORTDOC-DOC_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-DOC_NUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field DOC_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFSPD_S_SUPPORTDOC-DOC_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-DOC_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field DOC_REM_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFSPD_S_SUPPORTDOC-DOC_REM_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-DOC_REM_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field DOC_CONT_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFSPD_S_SUPPORTDOC-DOC_CONT_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-DOC_CONT_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field ORIGINAL_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFSPD_S_SUPPORTDOC-ORIGINAL_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-ORIGINAL_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFSPD_S_SUPPORTDOC-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFSPD_S_SUPPORTDOC-PARTNER.
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_3RFSPD_S_SUPPORTDOC_STR, 
CHECKED TYPE STRING,
BLOCKED TYPE STRING,
INTPODNUM TYPE STRING,
EXTPODNUM TYPE STRING,
PODSTATUS TYPE STRING,
CRDATE TYPE STRING,
ENDDATE TYPE STRING,
INTCNUM TYPE STRING,
EXTCNUM TYPE STRING,
LINE_NUM TYPE STRING,
DOC_BUKRS TYPE STRING,
DOC_GJAHR TYPE STRING,
DOC_NUM TYPE STRING,
DOC_NUM_EXT TYPE STRING,
DOC_DATE TYPE STRING,
DOC_TYPE TYPE STRING,
DOC_TYPE_CODE TYPE STRING,
DOC_CURR TYPE STRING,
DOC_AMOUNT TYPE STRING,
DOC_REM_AMOUNT TYPE STRING,
DOC_CURR_OKV TYPE STRING,
DOC_CONT_CURR TYPE STRING,
DOC_CONT_AMOUNT TYPE STRING,
DOC_CONT_CURR_OKV TYPE STRING,
SHIP_TYPE TYPE STRING,
EXP_PAY_DATE TYPE STRING,
COUNTRY_CODE TYPE STRING,
BANK_NAME TYPE STRING,
ORIGINAL_AMOUNT TYPE STRING,
POSNR TYPE STRING,
PARTNER TYPE STRING,
CORRECTION_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RFSPD_S_SUPPORTDOC_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_3RFSPD_S_SUPPORTDOC_STR-CHECKED sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-BLOCKED sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-INTPODNUM sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-EXTPODNUM sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-PODSTATUS sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-CRDATE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-ENDDATE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-INTCNUM sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-EXTCNUM sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-LINE_NUM sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_BUKRS sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_GJAHR sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_NUM sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_NUM_EXT sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_DATE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_TYPE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_TYPE_CODE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_CURR sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_AMOUNT sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_REM_AMOUNT sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_CURR_OKV sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_CONT_CURR sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_CONT_AMOUNT sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-DOC_CONT_CURR_OKV sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-SHIP_TYPE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-EXP_PAY_DATE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-COUNTRY_CODE sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-BANK_NAME sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-ORIGINAL_AMOUNT sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-POSNR sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-PARTNER sy-vline 
WA_J_3RFSPD_S_SUPPORTDOC_STR-CORRECTION_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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