ABAP Select data from SAP table JBSKONT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBSKONT
*  INTO TABLE @DATA(IT_JBSKONT2).
*--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_JBSKONT INDEX 1 INTO DATA(WA_JBSKONT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBSKONT>-MANDT = 1.
<JBSKONT>-RBKONT = 1.
<JBSKONT>-BUKRS = 1.
<JBSKONT>-RKEYS = 1.
<JBSKONT>-UPUSERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBSKONT-DUPDATS, sy-vline,
  WA_JBSKONT-TUPTIMS, sy-vline,
  WA_JBSKONT-RFIKON, sy-vline,
  WA_JBSKONT-SAMRKR, sy-vline,
  WA_JBSKONT-SAMRSN, sy-vline,
  WA_JBSKONT-SBNKVR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBSKONT 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_JBSKONT 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_JBSKONT INTO WA_JBSKONT.


*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 RFIKON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBSKONT-RFIKON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBSKONT-RFIKON.
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_JBSKONT_STR, 
MANDT TYPE STRING,
RBKONT TYPE STRING,
BUKRS TYPE STRING,
RKEYS TYPE STRING,
UPUSERS TYPE STRING,
DUPDATS TYPE STRING,
TUPTIMS TYPE STRING,
RFIKON TYPE STRING,
SAMRKR TYPE STRING,
SAMRSN TYPE STRING,
SBNKVR TYPE STRING,
SHYPKR TYPE STRING,
SVRARB TYPE STRING,
SABZUG TYPE STRING,
SKREDT TYPE STRING,
SVRBRT TYPE STRING,
SNRANG TYPE STRING,
SAUFRE TYPE STRING,
JWOBAU TYPE STRING,
SFOART TYPE STRING,
STILGART TYPE STRING,
PTILGS TYPE STRING,
SZUSKZ TYPE STRING,
JZUSTA TYPE STRING,
DZUSAGE TYPE STRING,
DZUSEN TYPE STRING,
STRHND TYPE STRING,
SAMRFR TYPE STRING,
SLKFIN TYPE STRING,
SVRSIC TYPE STRING,
RKNSFH TYPE STRING,
SGEMKR TYPE STRING,
SKRART TYPE STRING,
SANWKA TYPE STRING,
SBUEKZ TYPE STRING,
SABTRT TYPE STRING,
SLAENDER TYPE STRING,
SSICHA TYPE STRING,
SVERWZ TYPE STRING,
BZUSAG TYPE STRING,
BOFLIM TYPE STRING,
BNACHH TYPE STRING,
BVORHA TYPE STRING,
BZUSGC TYPE STRING,
BZUSGA TYPE STRING,
BWKTSL TYPE STRING,
BKOMP1 TYPE STRING,
BKOMP2 TYPE STRING,
BAVALD TYPE STRING,
BUNEPG TYPE STRING,
BUNTER TYPE STRING,
BEWBER TYPE STRING,
BORGSI TYPE STRING,
BKLIMI TYPE STRING,
BKLIM2 TYPE STRING,
BILIMT TYPE STRING,
BKKOST TYPE STRING,
BWNOML TYPE STRING,
BDMGEG TYPE STRING,
BSPARB TYPE STRING,
BSPARG TYPE STRING,
BOFFLS TYPE STRING,
BSPBET TYPE STRING,
BRUECK TYPE STRING,
BGSIKO TYPE STRING,
BEWBRE TYPE STRING,
BAKAKN TYPE STRING,
BMIOSI TYPE STRING,
BMIOS2 TYPE STRING,
BAUSBT TYPE STRING,
BRLZ1J TYPE STRING,
BRLZ2J TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBSKONT_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_JBSKONT_STR-MANDT sy-vline 
WA_JBSKONT_STR-RBKONT sy-vline 
WA_JBSKONT_STR-BUKRS sy-vline 
WA_JBSKONT_STR-RKEYS sy-vline 
WA_JBSKONT_STR-UPUSERS sy-vline 
WA_JBSKONT_STR-DUPDATS sy-vline 
WA_JBSKONT_STR-TUPTIMS sy-vline 
WA_JBSKONT_STR-RFIKON sy-vline 
WA_JBSKONT_STR-SAMRKR sy-vline 
WA_JBSKONT_STR-SAMRSN sy-vline 
WA_JBSKONT_STR-SBNKVR sy-vline 
WA_JBSKONT_STR-SHYPKR sy-vline 
WA_JBSKONT_STR-SVRARB sy-vline 
WA_JBSKONT_STR-SABZUG sy-vline 
WA_JBSKONT_STR-SKREDT sy-vline 
WA_JBSKONT_STR-SVRBRT sy-vline 
WA_JBSKONT_STR-SNRANG sy-vline 
WA_JBSKONT_STR-SAUFRE sy-vline 
WA_JBSKONT_STR-JWOBAU sy-vline 
WA_JBSKONT_STR-SFOART sy-vline 
WA_JBSKONT_STR-STILGART sy-vline 
WA_JBSKONT_STR-PTILGS sy-vline 
WA_JBSKONT_STR-SZUSKZ sy-vline 
WA_JBSKONT_STR-JZUSTA sy-vline 
WA_JBSKONT_STR-DZUSAGE sy-vline 
WA_JBSKONT_STR-DZUSEN sy-vline 
WA_JBSKONT_STR-STRHND sy-vline 
WA_JBSKONT_STR-SAMRFR sy-vline 
WA_JBSKONT_STR-SLKFIN sy-vline 
WA_JBSKONT_STR-SVRSIC sy-vline 
WA_JBSKONT_STR-RKNSFH sy-vline 
WA_JBSKONT_STR-SGEMKR sy-vline 
WA_JBSKONT_STR-SKRART sy-vline 
WA_JBSKONT_STR-SANWKA sy-vline 
WA_JBSKONT_STR-SBUEKZ sy-vline 
WA_JBSKONT_STR-SABTRT sy-vline 
WA_JBSKONT_STR-SLAENDER sy-vline 
WA_JBSKONT_STR-SSICHA sy-vline 
WA_JBSKONT_STR-SVERWZ sy-vline 
WA_JBSKONT_STR-BZUSAG sy-vline 
WA_JBSKONT_STR-BOFLIM sy-vline 
WA_JBSKONT_STR-BNACHH sy-vline 
WA_JBSKONT_STR-BVORHA sy-vline 
WA_JBSKONT_STR-BZUSGC sy-vline 
WA_JBSKONT_STR-BZUSGA sy-vline 
WA_JBSKONT_STR-BWKTSL sy-vline 
WA_JBSKONT_STR-BKOMP1 sy-vline 
WA_JBSKONT_STR-BKOMP2 sy-vline 
WA_JBSKONT_STR-BAVALD sy-vline 
WA_JBSKONT_STR-BUNEPG sy-vline 
WA_JBSKONT_STR-BUNTER sy-vline 
WA_JBSKONT_STR-BEWBER sy-vline 
WA_JBSKONT_STR-BORGSI sy-vline 
WA_JBSKONT_STR-BKLIMI sy-vline 
WA_JBSKONT_STR-BKLIM2 sy-vline 
WA_JBSKONT_STR-BILIMT sy-vline 
WA_JBSKONT_STR-BKKOST sy-vline 
WA_JBSKONT_STR-BWNOML sy-vline 
WA_JBSKONT_STR-BDMGEG sy-vline 
WA_JBSKONT_STR-BSPARB sy-vline 
WA_JBSKONT_STR-BSPARG sy-vline 
WA_JBSKONT_STR-BOFFLS sy-vline 
WA_JBSKONT_STR-BSPBET sy-vline 
WA_JBSKONT_STR-BRUECK sy-vline 
WA_JBSKONT_STR-BGSIKO sy-vline 
WA_JBSKONT_STR-BEWBRE sy-vline 
WA_JBSKONT_STR-BAKAKN sy-vline 
WA_JBSKONT_STR-BMIOSI sy-vline 
WA_JBSKONT_STR-BMIOS2 sy-vline 
WA_JBSKONT_STR-BAUSBT sy-vline 
WA_JBSKONT_STR-BRLZ1J sy-vline 
WA_JBSKONT_STR-BRLZ2J sy-vline      INTO ld_text SEPARATED BY SPACE.

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