ABAP Select data from SAP table TJKSDRETURNASS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TJKSDRETURNASS
*  INTO TABLE @DATA(IT_TJKSDRETURNASS2).
*--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_TJKSDRETURNASS INDEX 1 INTO DATA(WA_TJKSDRETURNASS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TJKSDRETURNASS>-MANDT = 1.
<TJKSDRETURNASS>-CONDITIONNR = 1.
<TJKSDRETURNASS>-CONDITION1 = 1.
<TJKSDRETURNASS>-CONDITION2 = 1.
<TJKSDRETURNASS>-CONDITION3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TJKSDRETURNASS-UNCONFIRMED, sy-vline,
  WA_TJKSDRETURNASS-CONFIRMED, sy-vline,
  WA_TJKSDRETURNASS-Q1, sy-vline,
  WA_TJKSDRETURNASS-SIGN_Q1, sy-vline,
  WA_TJKSDRETURNASS-MULTIPL_Q1, sy-vline,
  WA_TJKSDRETURNASS-Q2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TJKSDRETURNASS 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_TJKSDRETURNASS 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_TJKSDRETURNASS INTO WA_TJKSDRETURNASS.


*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_TJKSDRETURNASS_STR, 
MANDT TYPE STRING,
CONDITIONNR TYPE STRING,
CONDITION1 TYPE STRING,
CONDITION2 TYPE STRING,
CONDITION3 TYPE STRING,
UNCONFIRMED TYPE STRING,
CONFIRMED TYPE STRING,
Q1 TYPE STRING,
SIGN_Q1 TYPE STRING,
MULTIPL_Q1 TYPE STRING,
Q2 TYPE STRING,
SIGN_Q2 TYPE STRING,
MULTIPL_Q2 TYPE STRING,
Q3 TYPE STRING,
SIGN_Q3 TYPE STRING,
MULTIPL_Q3 TYPE STRING,
Q4 TYPE STRING,
SIGN_Q4 TYPE STRING,
MULTIPL_Q4 TYPE STRING,
Q5 TYPE STRING,
SIGN_Q5 TYPE STRING,
MULTIPL_Q5 TYPE STRING,
Q6 TYPE STRING,
SIGN_Q6 TYPE STRING,
MULTIPL_Q6 TYPE STRING,
Q7 TYPE STRING,
SIGN_Q7 TYPE STRING,
MULTIPL_Q7 TYPE STRING,
Q8 TYPE STRING,
SIGN_Q8 TYPE STRING,
MULTIPL_Q8 TYPE STRING,
Q9 TYPE STRING,
SIGN_Q9 TYPE STRING,
MULTIPL_Q9 TYPE STRING,
Q10 TYPE STRING,
SIGN_Q10 TYPE STRING,
MULTIPL_Q10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TJKSDRETURNASS_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_TJKSDRETURNASS_STR-MANDT sy-vline 
WA_TJKSDRETURNASS_STR-CONDITIONNR sy-vline 
WA_TJKSDRETURNASS_STR-CONDITION1 sy-vline 
WA_TJKSDRETURNASS_STR-CONDITION2 sy-vline 
WA_TJKSDRETURNASS_STR-CONDITION3 sy-vline 
WA_TJKSDRETURNASS_STR-UNCONFIRMED sy-vline 
WA_TJKSDRETURNASS_STR-CONFIRMED sy-vline 
WA_TJKSDRETURNASS_STR-Q1 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q1 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q1 sy-vline 
WA_TJKSDRETURNASS_STR-Q2 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q2 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q2 sy-vline 
WA_TJKSDRETURNASS_STR-Q3 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q3 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q3 sy-vline 
WA_TJKSDRETURNASS_STR-Q4 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q4 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q4 sy-vline 
WA_TJKSDRETURNASS_STR-Q5 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q5 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q5 sy-vline 
WA_TJKSDRETURNASS_STR-Q6 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q6 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q6 sy-vline 
WA_TJKSDRETURNASS_STR-Q7 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q7 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q7 sy-vline 
WA_TJKSDRETURNASS_STR-Q8 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q8 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q8 sy-vline 
WA_TJKSDRETURNASS_STR-Q9 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q9 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q9 sy-vline 
WA_TJKSDRETURNASS_STR-Q10 sy-vline 
WA_TJKSDRETURNASS_STR-SIGN_Q10 sy-vline 
WA_TJKSDRETURNASS_STR-MULTIPL_Q10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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