ABAP Select data from SAP table JBDREXPDERI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBDREXPDERI
*  INTO TABLE @DATA(IT_JBDREXPDERI2).
*--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_JBDREXPDERI INDEX 1 INTO DATA(WA_JBDREXPDERI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBDREXPDERI>-LOG_SYSTEM = 1.
<JBDREXPDERI>-COMPANY_CODE = 1.
<JBDREXPDERI>-EXPOSURE_ORIGIN = 1.
<JBDREXPDERI>-EXT_DOC_NO = 1.
<JBDREXPDERI>-RISK_CAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBDREXPDERI-COMMODITY_ID, sy-vline,
  WA_JBDREXPDERI-FOREIGN_CURR, sy-vline,
  WA_JBDREXPDERI-TARGET_CURR, sy-vline,
  WA_JBDREXPDERI-EXPOSURE_ID, sy-vline,
  WA_JBDREXPDERI-ITEM_ID, sy-vline,
  WA_JBDREXPDERI-SUBEXPOS_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBDREXPDERI 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_JBDREXPDERI 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_JBDREXPDERI INTO WA_JBDREXPDERI.


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

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

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

*Conversion exit GJAHR, internal->external for field PLANNING_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_JBDREXPDERI-PLANNING_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBDREXPDERI-PLANNING_YEAR.
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_JBDREXPDERI_STR, 
LOG_SYSTEM TYPE STRING,
COMPANY_CODE TYPE STRING,
EXPOSURE_ORIGIN TYPE STRING,
EXT_DOC_NO TYPE STRING,
RISK_CAT TYPE STRING,
COMMODITY_ID TYPE STRING,
FOREIGN_CURR TYPE STRING,
TARGET_CURR TYPE STRING,
EXPOSURE_ID TYPE STRING,
ITEM_ID TYPE STRING,
SUBEXPOS_ID TYPE STRING,
PRODUCT_TYPE TYPE STRING,
PROFIT_CENTER TYPE STRING,
COUNTRY TYPE STRING,
PLANNING_PERIOD TYPE STRING,
PLANNING_YEAR TYPE STRING,
DUE_DATE TYPE STRING,
RELEVANCE_DATE TYPE STRING,
PAYMENT_DATE TYPE STRING,
DELIVERY_DATE TYPE STRING,
EXP_AMT_CURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBDREXPDERI_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_JBDREXPDERI_STR-LOG_SYSTEM sy-vline 
WA_JBDREXPDERI_STR-COMPANY_CODE sy-vline 
WA_JBDREXPDERI_STR-EXPOSURE_ORIGIN sy-vline 
WA_JBDREXPDERI_STR-EXT_DOC_NO sy-vline 
WA_JBDREXPDERI_STR-RISK_CAT sy-vline 
WA_JBDREXPDERI_STR-COMMODITY_ID sy-vline 
WA_JBDREXPDERI_STR-FOREIGN_CURR sy-vline 
WA_JBDREXPDERI_STR-TARGET_CURR sy-vline 
WA_JBDREXPDERI_STR-EXPOSURE_ID sy-vline 
WA_JBDREXPDERI_STR-ITEM_ID sy-vline 
WA_JBDREXPDERI_STR-SUBEXPOS_ID sy-vline 
WA_JBDREXPDERI_STR-PRODUCT_TYPE sy-vline 
WA_JBDREXPDERI_STR-PROFIT_CENTER sy-vline 
WA_JBDREXPDERI_STR-COUNTRY sy-vline 
WA_JBDREXPDERI_STR-PLANNING_PERIOD sy-vline 
WA_JBDREXPDERI_STR-PLANNING_YEAR sy-vline 
WA_JBDREXPDERI_STR-DUE_DATE sy-vline 
WA_JBDREXPDERI_STR-RELEVANCE_DATE sy-vline 
WA_JBDREXPDERI_STR-PAYMENT_DATE sy-vline 
WA_JBDREXPDERI_STR-DELIVERY_DATE sy-vline 
WA_JBDREXPDERI_STR-EXP_AMT_CURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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