ABAP Select data from SAP table JBDOBJ1_EXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JBDOBJ1_EXT 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 JBDOBJ1_EXT. 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 JBDOBJ1_EXT 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_JBDOBJ1_EXT TYPE STANDARD TABLE OF JBDOBJ1_EXT,
      WA_JBDOBJ1_EXT TYPE JBDOBJ1_EXT,
      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: <JBDOBJ1_EXT> TYPE JBDOBJ1_EXT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_JBDOBJ1_EXT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM JBDOBJ1_EXT
  INTO TABLE IT_JBDOBJ1_EXT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBDOBJ1_EXT
*  INTO TABLE @DATA(IT_JBDOBJ1_EXT2).
*--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_JBDOBJ1_EXT INDEX 1 INTO DATA(WA_JBDOBJ1_EXT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_JBDOBJ1_EXT ASSIGNING <JBDOBJ1_EXT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBDOBJ1_EXT>-MANDT = 1.
<JBDOBJ1_EXT>-OBJNR = 1.
<JBDOBJ1_EXT>-BUKRS = 1.
<JBDOBJ1_EXT>-GSART = 1.
<JBDOBJ1_EXT>-SDATST = 1.

ENDLOOP.

LOOP AT IT_JBDOBJ1_EXT INTO WA_JBDOBJ1_EXT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBDOBJ1_EXT-SDATBE, sy-vline,
  WA_JBDOBJ1_EXT-SHERKU, sy-vline,
  WA_JBDOBJ1_EXT-SGSTAT, sy-vline,
  WA_JBDOBJ1_EXT-CNDLIST, sy-vline,
  WA_JBDOBJ1_EXT-DEGKBE, sy-vline,
  WA_JBDOBJ1_EXT-DEGKEN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBDOBJ1_EXT 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_JBDOBJ1_EXT 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_JBDOBJ1_EXT INTO WA_JBDOBJ1_EXT.


*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_JBDOBJ1_EXT_STR, 
MANDT TYPE STRING,
OBJNR TYPE STRING,
BUKRS TYPE STRING,
GSART TYPE STRING,
SDATST TYPE STRING,
SDATBE TYPE STRING,
SHERKU TYPE STRING,
SGSTAT TYPE STRING,
CNDLIST TYPE STRING,
DEGKBE TYPE STRING,
DEGKEN TYPE STRING,
DRMBEG TYPE STRING,
DRMEND TYPE STRING,
DMWBEG TYPE STRING,
DMWEND TYPE STRING,
DKLBEG TYPE STRING,
DKLEND TYPE STRING,
SEGKRL TYPE STRING,
SEGKAK TYPE STRING,
SRMREL TYPE STRING,
SRMAKT TYPE STRING,
SMWREL TYPE STRING,
SMWAKT TYPE STRING,
SKLREL TYPE STRING,
SKLAKT TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,
TUPTIM TYPE STRING,
CRUSER TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
NAMEAUS TYPE STRING,
ARCHIVE_STATUS TYPE STRING,
ARCHIVE_FLUD TYPE STRING,
BFT_NUMB TYPE STRING,
GETOBJNR TYPE STRING,
AKTDB TYPE STRING,
FLG_EXPREL TYPE STRING,
FLG_CHANGEREL TYPE STRING,
INTKEY TYPE STRING,
EXTKEY TYPE STRING,
EXPOBJTYPE TYPE STRING,
ERKRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBDOBJ1_EXT_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_JBDOBJ1_EXT_STR-MANDT sy-vline 
WA_JBDOBJ1_EXT_STR-OBJNR sy-vline 
WA_JBDOBJ1_EXT_STR-BUKRS sy-vline 
WA_JBDOBJ1_EXT_STR-GSART sy-vline 
WA_JBDOBJ1_EXT_STR-SDATST sy-vline 
WA_JBDOBJ1_EXT_STR-SDATBE sy-vline 
WA_JBDOBJ1_EXT_STR-SHERKU sy-vline 
WA_JBDOBJ1_EXT_STR-SGSTAT sy-vline 
WA_JBDOBJ1_EXT_STR-CNDLIST sy-vline 
WA_JBDOBJ1_EXT_STR-DEGKBE sy-vline 
WA_JBDOBJ1_EXT_STR-DEGKEN sy-vline 
WA_JBDOBJ1_EXT_STR-DRMBEG sy-vline 
WA_JBDOBJ1_EXT_STR-DRMEND sy-vline 
WA_JBDOBJ1_EXT_STR-DMWBEG sy-vline 
WA_JBDOBJ1_EXT_STR-DMWEND sy-vline 
WA_JBDOBJ1_EXT_STR-DKLBEG sy-vline 
WA_JBDOBJ1_EXT_STR-DKLEND sy-vline 
WA_JBDOBJ1_EXT_STR-SEGKRL sy-vline 
WA_JBDOBJ1_EXT_STR-SEGKAK sy-vline 
WA_JBDOBJ1_EXT_STR-SRMREL sy-vline 
WA_JBDOBJ1_EXT_STR-SRMAKT sy-vline 
WA_JBDOBJ1_EXT_STR-SMWREL sy-vline 
WA_JBDOBJ1_EXT_STR-SMWAKT sy-vline 
WA_JBDOBJ1_EXT_STR-SKLREL sy-vline 
WA_JBDOBJ1_EXT_STR-SKLAKT sy-vline 
WA_JBDOBJ1_EXT_STR-UPUSER sy-vline 
WA_JBDOBJ1_EXT_STR-DUPDAT sy-vline 
WA_JBDOBJ1_EXT_STR-TUPTIM sy-vline 
WA_JBDOBJ1_EXT_STR-CRUSER sy-vline 
WA_JBDOBJ1_EXT_STR-DCRDAT sy-vline 
WA_JBDOBJ1_EXT_STR-TCRTIM sy-vline 
WA_JBDOBJ1_EXT_STR-NAMEAUS sy-vline 
WA_JBDOBJ1_EXT_STR-ARCHIVE_STATUS sy-vline 
WA_JBDOBJ1_EXT_STR-ARCHIVE_FLUD sy-vline 
WA_JBDOBJ1_EXT_STR-BFT_NUMB sy-vline 
WA_JBDOBJ1_EXT_STR-GETOBJNR sy-vline 
WA_JBDOBJ1_EXT_STR-AKTDB sy-vline 
WA_JBDOBJ1_EXT_STR-FLG_EXPREL sy-vline 
WA_JBDOBJ1_EXT_STR-FLG_CHANGEREL sy-vline 
WA_JBDOBJ1_EXT_STR-INTKEY sy-vline 
WA_JBDOBJ1_EXT_STR-EXTKEY sy-vline 
WA_JBDOBJ1_EXT_STR-EXPOBJTYPE sy-vline 
WA_JBDOBJ1_EXT_STR-ERKRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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