ABAP Select data from SAP table JBD_STR_GT_KOET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBD_STR_GT_KOET
*  INTO TABLE @DATA(IT_JBD_STR_GT_KOET2).
*--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_JBD_STR_GT_KOET INDEX 1 INTO DATA(WA_JBD_STR_GT_KOET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBD_STR_GT_KOET>-RIDXRT = 1.
<JBD_STR_GT_KOET>-NGIDNR = 1.
<JBD_STR_GT_KOET>-POBJNR = 1.
<JBD_STR_GT_KOET>-PWKN = 1.
<JBD_STR_GT_KOET>-AGGREGRULE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBD_STR_GT_KOET-RMBEWREG, sy-vline,
  WA_JBD_STR_GT_KOET-GFORM, sy-vline,
  WA_JBD_STR_GT_KOET-GDETAIL, sy-vline,
  WA_JBD_STR_GT_KOET-KATEKZ, sy-vline,
  WA_JBD_STR_GT_KOET-AGGRKZ, sy-vline,
  WA_JBD_STR_GT_KOET-DBLFZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBD_STR_GT_KOET 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_JBD_STR_GT_KOET 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_JBD_STR_GT_KOET INTO WA_JBD_STR_GT_KOET.


*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 RIDXRT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBD_STR_GT_KOET-RIDXRT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBD_STR_GT_KOET-RIDXRT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field CTY_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_JBD_STR_GT_KOET-CTY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBD_STR_GT_KOET-CTY_UOM.
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_JBD_STR_GT_KOET_STR, 
RIDXRT TYPE STRING,
NGIDNR TYPE STRING,
POBJNR TYPE STRING,
PWKN TYPE STRING,
AGGREGRULE TYPE STRING,
RMBEWREG TYPE STRING,
GFORM TYPE STRING,
GDETAIL TYPE STRING,
KATEKZ TYPE STRING,
AGGRKZ TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
SFGTYP TYPE STRING,
SNOTTYPE TYPE STRING,
SNOMWHR TYPE STRING,
BNOMINAL TYPE STRING,
ASTUECK TYPE STRING,
WGSCHFT1 TYPE STRING,
WGSCHFT2 TYPE STRING,
BNOMI1 TYPE STRING,
BNOMI2 TYPE STRING,
BSALDO TYPE STRING,
DEFSZ TYPE STRING,
RANL TYPE STRING,
RHANDPL TYPE STRING,
IDX TYPE STRING,
IDXVAL TYPE STRING,
BPIDX TYPE STRING,
SPIDX TYPE STRING,
KKURSWP TYPE STRING,
DDEKSE TYPE STRING,
SSHLNG TYPE STRING,
SEZWHR TYPE STRING,
BEZWHR TYPE STRING,
RIDEXTRTEXT TYPE STRING,
BETICK TYPE STRING,
BWTICK TYPE STRING,
URANL TYPE STRING,
CTY_ID TYPE STRING,
QUOTSRC TYPE STRING,
BETICK_SEC TYPE STRING,
BWTICK_SEC TYPE STRING,
WWTICK TYPE STRING,
PPTICK TYPE STRING,
PITICK TYPE STRING,
CTY_QUANTITY TYPE STRING,
CTY_UOM TYPE STRING,
CSPREAD TYPE STRING,
CTY_ID2 TYPE STRING,
CSPREAD_FWD TYPE STRING,
EXP_APPR_CAT TYPE STRING,
CONTRACT_VALUE TYPE STRING,
CONTRACT_VALUE_CURR TYPE STRING,
FORWARD_DATE TYPE STRING,
BETICK_CTY_CUNIT TYPE STRING,
CURRENT_ACTIVITY_CATEGORY TYPE STRING,
LEAD_FGET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBD_STR_GT_KOET_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_JBD_STR_GT_KOET_STR-RIDXRT sy-vline 
WA_JBD_STR_GT_KOET_STR-NGIDNR sy-vline 
WA_JBD_STR_GT_KOET_STR-POBJNR sy-vline 
WA_JBD_STR_GT_KOET_STR-PWKN sy-vline 
WA_JBD_STR_GT_KOET_STR-AGGREGRULE sy-vline 
WA_JBD_STR_GT_KOET_STR-RMBEWREG sy-vline 
WA_JBD_STR_GT_KOET_STR-GFORM sy-vline 
WA_JBD_STR_GT_KOET_STR-GDETAIL sy-vline 
WA_JBD_STR_GT_KOET_STR-KATEKZ sy-vline 
WA_JBD_STR_GT_KOET_STR-AGGRKZ sy-vline 
WA_JBD_STR_GT_KOET_STR-DBLFZ sy-vline 
WA_JBD_STR_GT_KOET_STR-DELFZ sy-vline 
WA_JBD_STR_GT_KOET_STR-SFGTYP sy-vline 
WA_JBD_STR_GT_KOET_STR-SNOTTYPE sy-vline 
WA_JBD_STR_GT_KOET_STR-SNOMWHR sy-vline 
WA_JBD_STR_GT_KOET_STR-BNOMINAL sy-vline 
WA_JBD_STR_GT_KOET_STR-ASTUECK sy-vline 
WA_JBD_STR_GT_KOET_STR-WGSCHFT1 sy-vline 
WA_JBD_STR_GT_KOET_STR-WGSCHFT2 sy-vline 
WA_JBD_STR_GT_KOET_STR-BNOMI1 sy-vline 
WA_JBD_STR_GT_KOET_STR-BNOMI2 sy-vline 
WA_JBD_STR_GT_KOET_STR-BSALDO sy-vline 
WA_JBD_STR_GT_KOET_STR-DEFSZ sy-vline 
WA_JBD_STR_GT_KOET_STR-RANL sy-vline 
WA_JBD_STR_GT_KOET_STR-RHANDPL sy-vline 
WA_JBD_STR_GT_KOET_STR-IDX sy-vline 
WA_JBD_STR_GT_KOET_STR-IDXVAL sy-vline 
WA_JBD_STR_GT_KOET_STR-BPIDX sy-vline 
WA_JBD_STR_GT_KOET_STR-SPIDX sy-vline 
WA_JBD_STR_GT_KOET_STR-KKURSWP sy-vline 
WA_JBD_STR_GT_KOET_STR-DDEKSE sy-vline 
WA_JBD_STR_GT_KOET_STR-SSHLNG sy-vline 
WA_JBD_STR_GT_KOET_STR-SEZWHR sy-vline 
WA_JBD_STR_GT_KOET_STR-BEZWHR sy-vline 
WA_JBD_STR_GT_KOET_STR-RIDEXTRTEXT sy-vline 
WA_JBD_STR_GT_KOET_STR-BETICK sy-vline 
WA_JBD_STR_GT_KOET_STR-BWTICK sy-vline 
WA_JBD_STR_GT_KOET_STR-URANL sy-vline 
WA_JBD_STR_GT_KOET_STR-CTY_ID sy-vline 
WA_JBD_STR_GT_KOET_STR-QUOTSRC sy-vline 
WA_JBD_STR_GT_KOET_STR-BETICK_SEC sy-vline 
WA_JBD_STR_GT_KOET_STR-BWTICK_SEC sy-vline 
WA_JBD_STR_GT_KOET_STR-WWTICK sy-vline 
WA_JBD_STR_GT_KOET_STR-PPTICK sy-vline 
WA_JBD_STR_GT_KOET_STR-PITICK sy-vline 
WA_JBD_STR_GT_KOET_STR-CTY_QUANTITY sy-vline 
WA_JBD_STR_GT_KOET_STR-CTY_UOM sy-vline 
WA_JBD_STR_GT_KOET_STR-CSPREAD sy-vline 
WA_JBD_STR_GT_KOET_STR-CTY_ID2 sy-vline 
WA_JBD_STR_GT_KOET_STR-CSPREAD_FWD sy-vline 
WA_JBD_STR_GT_KOET_STR-EXP_APPR_CAT sy-vline 
WA_JBD_STR_GT_KOET_STR-CONTRACT_VALUE sy-vline 
WA_JBD_STR_GT_KOET_STR-CONTRACT_VALUE_CURR sy-vline 
WA_JBD_STR_GT_KOET_STR-FORWARD_DATE sy-vline 
WA_JBD_STR_GT_KOET_STR-BETICK_CTY_CUNIT sy-vline 
WA_JBD_STR_GT_KOET_STR-CURRENT_ACTIVITY_CATEGORY sy-vline 
WA_JBD_STR_GT_KOET_STR-LEAD_FGET sy-vline      INTO ld_text SEPARATED BY SPACE.

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