ABAP Select data from SAP table J_3R_OS15_FSD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3R_OS15_FSD 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_3R_OS15_FSD. 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_3R_OS15_FSD 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_3R_OS15_FSD TYPE STANDARD TABLE OF J_3R_OS15_FSD,
      WA_J_3R_OS15_FSD TYPE J_3R_OS15_FSD,
      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_3R_OS15_FSD> TYPE J_3R_OS15_FSD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3R_OS15_FSD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3R_OS15_FSD
  INTO TABLE IT_J_3R_OS15_FSD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3R_OS15_FSD
*  INTO TABLE @DATA(IT_J_3R_OS15_FSD2).
*--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_3R_OS15_FSD INDEX 1 INTO DATA(WA_J_3R_OS15_FSD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3R_OS15_FSD ASSIGNING <J_3R_OS15_FSD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3R_OS15_FSD>-N1A_CLNT_COMP_NAME = 1.
<J_3R_OS15_FSD>-N1B_CLNT_COMP_OKPO = 1.
<J_3R_OS15_FSD>-N1C_SUBDIV_NAME = 1.
<J_3R_OS15_FSD>-N2_REP_REASON = 1.
<J_3R_OS15_FSD>-N3_DOC_NR_REASON = 1.

ENDLOOP.

LOOP AT IT_J_3R_OS15_FSD INTO WA_J_3R_OS15_FSD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3R_OS15_FSD-N4_DOC_DATE_REASON, sy-vline,
  WA_J_3R_OS15_FSD-N5_DOC_NR, sy-vline,
  WA_J_3R_OS15_FSD-N6_DOC_DATE, sy-vline,
  WA_J_3R_OS15_FSD-N7_ACCOUNT, sy-vline,
  WA_J_3R_OS15_FSD-N8A_DEL_DATE_INST, sy-vline,
  WA_J_3R_OS15_FSD-N8B_DEL_DATE_CONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3R_OS15_FSD 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_3R_OS15_FSD 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_3R_OS15_FSD INTO WA_J_3R_OS15_FSD.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_J_3R_OS15_FSD_STR, 
N1A_CLNT_COMP_NAME TYPE STRING,
N1B_CLNT_COMP_OKPO TYPE STRING,
N1C_SUBDIV_NAME TYPE STRING,
N2_REP_REASON TYPE STRING,
N3_DOC_NR_REASON TYPE STRING,
N4_DOC_DATE_REASON TYPE STRING,
N5_DOC_NR TYPE STRING,
N6_DOC_DATE TYPE STRING,
N7_ACCOUNT TYPE STRING,
N8A_DEL_DATE_INST TYPE STRING,
N8B_DEL_DATE_CONT TYPE STRING,
N8C_DEL_DATE_ACT TYPE STRING,
N9A_CRTN_LOCATION TYPE STRING,
N9B_CRTN_LOCATION_OKPO TYPE STRING,
N10A_MANUFACTURER TYPE STRING,
N10B_MANUFACTURER_OKPO TYPE STRING,
N11A_VENDOR TYPE STRING,
N11B_VENDOR_OKPO TYPE STRING,
N12A_INST_COMPANY TYPE STRING,
N12B_INST_COMPANY_OKPO TYPE STRING,
N13_INST_LOCATION TYPE STRING,
N18A_EMPL_ISSUED_POS TYPE STRING,
N18B_EMPL_ISSUED_NAME TYPE STRING,
N19A_EMPL_REC_POS TYPE STRING,
N19B_EMPL_REC_NAME TYPE STRING,
N20A_HND_RESP_PERSON_POS TYPE STRING,
N20B_HND_RESP_PERSON_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3R_OS15_FSD_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_3R_OS15_FSD_STR-N1A_CLNT_COMP_NAME sy-vline 
WA_J_3R_OS15_FSD_STR-N1B_CLNT_COMP_OKPO sy-vline 
WA_J_3R_OS15_FSD_STR-N1C_SUBDIV_NAME sy-vline 
WA_J_3R_OS15_FSD_STR-N2_REP_REASON sy-vline 
WA_J_3R_OS15_FSD_STR-N3_DOC_NR_REASON sy-vline 
WA_J_3R_OS15_FSD_STR-N4_DOC_DATE_REASON sy-vline 
WA_J_3R_OS15_FSD_STR-N5_DOC_NR sy-vline 
WA_J_3R_OS15_FSD_STR-N6_DOC_DATE sy-vline 
WA_J_3R_OS15_FSD_STR-N7_ACCOUNT sy-vline 
WA_J_3R_OS15_FSD_STR-N8A_DEL_DATE_INST sy-vline 
WA_J_3R_OS15_FSD_STR-N8B_DEL_DATE_CONT sy-vline 
WA_J_3R_OS15_FSD_STR-N8C_DEL_DATE_ACT sy-vline 
WA_J_3R_OS15_FSD_STR-N9A_CRTN_LOCATION sy-vline 
WA_J_3R_OS15_FSD_STR-N9B_CRTN_LOCATION_OKPO sy-vline 
WA_J_3R_OS15_FSD_STR-N10A_MANUFACTURER sy-vline 
WA_J_3R_OS15_FSD_STR-N10B_MANUFACTURER_OKPO sy-vline 
WA_J_3R_OS15_FSD_STR-N11A_VENDOR sy-vline 
WA_J_3R_OS15_FSD_STR-N11B_VENDOR_OKPO sy-vline 
WA_J_3R_OS15_FSD_STR-N12A_INST_COMPANY sy-vline 
WA_J_3R_OS15_FSD_STR-N12B_INST_COMPANY_OKPO sy-vline 
WA_J_3R_OS15_FSD_STR-N13_INST_LOCATION sy-vline 
WA_J_3R_OS15_FSD_STR-N18A_EMPL_ISSUED_POS sy-vline 
WA_J_3R_OS15_FSD_STR-N18B_EMPL_ISSUED_NAME sy-vline 
WA_J_3R_OS15_FSD_STR-N19A_EMPL_REC_POS sy-vline 
WA_J_3R_OS15_FSD_STR-N19B_EMPL_REC_NAME sy-vline 
WA_J_3R_OS15_FSD_STR-N20A_HND_RESP_PERSON_POS sy-vline 
WA_J_3R_OS15_FSD_STR-N20B_HND_RESP_PERSON_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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