ABAP Select data from SAP table PSDRETITMBYMNTH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSDRETITMBYMNTH
*  INTO TABLE @DATA(IT_PSDRETITMBYMNTH2).
*--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_PSDRETITMBYMNTH INDEX 1 INTO DATA(WA_PSDRETITMBYMNTH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSDRETITMBYMNTH>-MANDT = 1.
<PSDRETITMBYMNTH>-CUSTOMERRETURN = 1.
<PSDRETITMBYMNTH>-CUSTOMERRETURNITEM = 1.
<PSDRETITMBYMNTH>-CUSTOMERRETURNTYPE = 1.
<PSDRETITMBYMNTH>-CREATIONDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSDRETITMBYMNTH-SALESORGANIZATION, sy-vline,
  WA_PSDRETITMBYMNTH-DISTRIBUTIONCHANNEL, sy-vline,
  WA_PSDRETITMBYMNTH-ORGANIZATIONDIVISION, sy-vline,
  WA_PSDRETITMBYMNTH-SALESGROUP, sy-vline,
  WA_PSDRETITMBYMNTH-SALESOFFICE, sy-vline,
  WA_PSDRETITMBYMNTH-SOLDTOPARTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSDRETITMBYMNTH 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_PSDRETITMBYMNTH 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_PSDRETITMBYMNTH INTO WA_PSDRETITMBYMNTH.


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

*Conversion exit AUART, internal->external for field CUSTOMERRETURNTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_PSDRETITMBYMNTH-CUSTOMERRETURNTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSDRETITMBYMNTH-CUSTOMERRETURNTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSDRETITMBYMNTH-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSDRETITMBYMNTH-SOLDTOPARTY.
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_PSDRETITMBYMNTH_STR, 
MANDT TYPE STRING,
CUSTOMERRETURN TYPE STRING,
CUSTOMERRETURNITEM TYPE STRING,
CUSTOMERRETURNTYPE TYPE STRING,
CREATIONDATE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESGROUP TYPE STRING,
SALESOFFICE TYPE STRING,
SOLDTOPARTY TYPE STRING,
SOLDTOPARTYNAME TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
INCOMINGCUSTRETURNSNETAMOUNT TYPE STRING,
INCOMINGCUSTRETURNSNETAMTINDC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSDRETITMBYMNTH_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_PSDRETITMBYMNTH_STR-MANDT sy-vline 
WA_PSDRETITMBYMNTH_STR-CUSTOMERRETURN sy-vline 
WA_PSDRETITMBYMNTH_STR-CUSTOMERRETURNITEM sy-vline 
WA_PSDRETITMBYMNTH_STR-CUSTOMERRETURNTYPE sy-vline 
WA_PSDRETITMBYMNTH_STR-CREATIONDATE sy-vline 
WA_PSDRETITMBYMNTH_STR-SALESORGANIZATION sy-vline 
WA_PSDRETITMBYMNTH_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PSDRETITMBYMNTH_STR-ORGANIZATIONDIVISION sy-vline 
WA_PSDRETITMBYMNTH_STR-SALESGROUP sy-vline 
WA_PSDRETITMBYMNTH_STR-SALESOFFICE sy-vline 
WA_PSDRETITMBYMNTH_STR-SOLDTOPARTY sy-vline 
WA_PSDRETITMBYMNTH_STR-SOLDTOPARTYNAME sy-vline 
WA_PSDRETITMBYMNTH_STR-TRANSACTIONCURRENCY sy-vline 
WA_PSDRETITMBYMNTH_STR-DISPLAYCURRENCY sy-vline 
WA_PSDRETITMBYMNTH_STR-INCOMINGCUSTRETURNSNETAMOUNT sy-vline 
WA_PSDRETITMBYMNTH_STR-INCOMINGCUSTRETURNSNETAMTINDC sy-vline      INTO ld_text SEPARATED BY SPACE.

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