ABAP Select data from SAP table RJKSDCREDIT_OPTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKSDCREDIT_OPTION
*  INTO TABLE @DATA(IT_RJKSDCREDIT_OPTION2).
*--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_RJKSDCREDIT_OPTION INDEX 1 INTO DATA(WA_RJKSDCREDIT_OPTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKSDCREDIT_OPTION>-CREDIT_TYPE = 1.
<RJKSDCREDIT_OPTION>-XPER_ORDER = 1.
<RJKSDCREDIT_OPTION>-ISSUE = 1.
<RJKSDCREDIT_OPTION>-PRODUCT = 1.
<RJKSDCREDIT_OPTION>-PUBLDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKSDCREDIT_OPTION-COPYNR, sy-vline,
  WA_RJKSDCREDIT_OPTION-DATE_VALID, sy-vline,
  WA_RJKSDCREDIT_OPTION-XORDER_QTY, sy-vline,
  WA_RJKSDCREDIT_OPTION-QTY_COND_VALUE, sy-vline,
  WA_RJKSDCREDIT_OPTION-QTY_CURRENCY, sy-vline,
  WA_RJKSDCREDIT_OPTION-QTY_COND_P_UNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKSDCREDIT_OPTION 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_RJKSDCREDIT_OPTION 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_RJKSDCREDIT_OPTION INTO WA_RJKSDCREDIT_OPTION.


*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 MATN1, internal->external for field ISSUE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCREDIT_OPTION-ISSUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCREDIT_OPTION-ISSUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCREDIT_OPTION-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCREDIT_OPTION-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QTY_COND_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCREDIT_OPTION-QTY_COND_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCREDIT_OPTION-QTY_COND_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCREDIT_OPTION-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCREDIT_OPTION-MATERIAL.
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_RJKSDCREDIT_OPTION_STR, 
CREDIT_TYPE TYPE STRING,
XPER_ORDER TYPE STRING,
ISSUE TYPE STRING,
PRODUCT TYPE STRING,
PUBLDATE TYPE STRING,
COPYNR TYPE STRING,
DATE_VALID TYPE STRING,
XORDER_QTY TYPE STRING,
QTY_COND_VALUE TYPE STRING,
QTY_CURRENCY TYPE STRING,
QTY_COND_P_UNT TYPE STRING,
QTY_COND_UNIT TYPE STRING,
XORDER_VAL TYPE STRING,
VAL_COND_VALUE TYPE STRING,
VAL_CURRENCY TYPE STRING,
XORDER_CND TYPE STRING,
UNSOLD_TYPE TYPE STRING,
BILL_DATE TYPE STRING,
ORD_REASON TYPE STRING,
MATERIAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKSDCREDIT_OPTION_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_RJKSDCREDIT_OPTION_STR-CREDIT_TYPE sy-vline 
WA_RJKSDCREDIT_OPTION_STR-XPER_ORDER sy-vline 
WA_RJKSDCREDIT_OPTION_STR-ISSUE sy-vline 
WA_RJKSDCREDIT_OPTION_STR-PRODUCT sy-vline 
WA_RJKSDCREDIT_OPTION_STR-PUBLDATE sy-vline 
WA_RJKSDCREDIT_OPTION_STR-COPYNR sy-vline 
WA_RJKSDCREDIT_OPTION_STR-DATE_VALID sy-vline 
WA_RJKSDCREDIT_OPTION_STR-XORDER_QTY sy-vline 
WA_RJKSDCREDIT_OPTION_STR-QTY_COND_VALUE sy-vline 
WA_RJKSDCREDIT_OPTION_STR-QTY_CURRENCY sy-vline 
WA_RJKSDCREDIT_OPTION_STR-QTY_COND_P_UNT sy-vline 
WA_RJKSDCREDIT_OPTION_STR-QTY_COND_UNIT sy-vline 
WA_RJKSDCREDIT_OPTION_STR-XORDER_VAL sy-vline 
WA_RJKSDCREDIT_OPTION_STR-VAL_COND_VALUE sy-vline 
WA_RJKSDCREDIT_OPTION_STR-VAL_CURRENCY sy-vline 
WA_RJKSDCREDIT_OPTION_STR-XORDER_CND sy-vline 
WA_RJKSDCREDIT_OPTION_STR-UNSOLD_TYPE sy-vline 
WA_RJKSDCREDIT_OPTION_STR-BILL_DATE sy-vline 
WA_RJKSDCREDIT_OPTION_STR-ORD_REASON sy-vline 
WA_RJKSDCREDIT_OPTION_STR-MATERIAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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