ABAP Select data from SAP table J_1BNFE_ODATA_PROD_COMB_400 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1BNFE_ODATA_PROD_COMB_400 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_1BNFE_ODATA_PROD_COMB_400. 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_1BNFE_ODATA_PROD_COMB_400 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_1BNFE_ODATA_PROD_COMB_400 TYPE STANDARD TABLE OF J_1BNFE_ODATA_PROD_COMB_400,
      WA_J_1BNFE_ODATA_PROD_COMB_400 TYPE J_1BNFE_ODATA_PROD_COMB_400,
      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_1BNFE_ODATA_PROD_COMB_400> TYPE J_1BNFE_ODATA_PROD_COMB_400.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BNFE_ODATA_PROD_COMB_400.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BNFE_ODATA_PROD_COMB_400
  INTO TABLE IT_J_1BNFE_ODATA_PROD_COMB_400.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BNFE_ODATA_PROD_COMB_400
*  INTO TABLE @DATA(IT_J_1BNFE_ODATA_PROD_COMB_4002).
*--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_1BNFE_ODATA_PROD_COMB_400 INDEX 1 INTO DATA(WA_J_1BNFE_ODATA_PROD_COMB_4002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BNFE_ODATA_PROD_COMB_400 ASSIGNING <J_1BNFE_ODATA_PROD_COMB_400>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BNFE_ODATA_PROD_COMB_400>-DOCNUM = 1.
<J_1BNFE_ODATA_PROD_COMB_400>-ITMNUM = 1.
<J_1BNFE_ODATA_PROD_COMB_400>-ID = 1.
<J_1BNFE_ODATA_PROD_COMB_400>-C_PROD_ANP = 1.
<J_1BNFE_ODATA_PROD_COMB_400>-DESC_ANP = 1.

ENDLOOP.

LOOP AT IT_J_1BNFE_ODATA_PROD_COMB_400 INTO WA_J_1BNFE_ODATA_PROD_COMB_400.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BNFE_ODATA_PROD_COMB_400-P_GLP, sy-vline,
  WA_J_1BNFE_ODATA_PROD_COMB_400-P_GNN, sy-vline,
  WA_J_1BNFE_ODATA_PROD_COMB_400-P_GNI, sy-vline,
  WA_J_1BNFE_ODATA_PROD_COMB_400-V_PART, sy-vline,
  WA_J_1BNFE_ODATA_PROD_COMB_400-CODIF, sy-vline,
  WA_J_1BNFE_ODATA_PROD_COMB_400-Q_TEMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BNFE_ODATA_PROD_COMB_400 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_1BNFE_ODATA_PROD_COMB_400 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_1BNFE_ODATA_PROD_COMB_400 INTO WA_J_1BNFE_ODATA_PROD_COMB_400.


*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_1BNFE_ODATA_PROD_COMB_400_STR, 
DOCNUM TYPE STRING,
ITMNUM TYPE STRING,
ID TYPE STRING,
C_PROD_ANP TYPE STRING,
DESC_ANP TYPE STRING,
P_GLP TYPE STRING,
P_GNN TYPE STRING,
P_GNI TYPE STRING,
V_PART TYPE STRING,
CODIF TYPE STRING,
Q_TEMP TYPE STRING,
UFCONS TYPE STRING,
Q_BCPROD TYPE STRING,
V_ALIQ_PROD TYPE STRING,
V_CIDE TYPE STRING,
N_BICO TYPE STRING,
N_BOMBA TYPE STRING,
N_TANQUE TYPE STRING,
V_ENC_INI TYPE STRING,
V_ENC_FIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BNFE_ODATA_PROD_COMB_400_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_1BNFE_ODATA_PROD_COMB_400_STR-DOCNUM sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-ITMNUM sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-ID sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-C_PROD_ANP sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-DESC_ANP sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-P_GLP sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-P_GNN sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-P_GNI sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-V_PART sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-CODIF sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-Q_TEMP sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-UFCONS sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-Q_BCPROD sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-V_ALIQ_PROD sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-V_CIDE sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-N_BICO sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-N_BOMBA sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-N_TANQUE sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-V_ENC_INI sy-vline 
WA_J_1BNFE_ODATA_PROD_COMB_400_STR-V_ENC_FIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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