ABAP Select data from SAP table IPRESLSDOCITMSUC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPRESLSDOCITMSUC
*  INTO TABLE @DATA(IT_IPRESLSDOCITMSUC2).
*--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_IPRESLSDOCITMSUC INDEX 1 INTO DATA(WA_IPRESLSDOCITMSUC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPRESLSDOCITMSUC>-MANDT = 1.
<IPRESLSDOCITMSUC>-PRESALESDOCUMENTRELATIONUUID = 1.
<IPRESLSDOCITMSUC>-PRESALESDOCRLTNSEQUENCENUMBER = 1.
<IPRESLSDOCITMSUC>-PRESALESDOCUMENTRELATIONTYPE = 1.
<IPRESLSDOCITMSUC>-CHARCLENGTH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPRESLSDOCITMSUC-PRESALESDOCUMENTITEMUUID, sy-vline,
  WA_IPRESLSDOCITMSUC-PRESALESDOCUMENTITEMOBJECTTYPE, sy-vline,
  WA_IPRESLSDOCITMSUC-PRESALESDOCITMRELATIONKIND, sy-vline,
  WA_IPRESLSDOCITMSUC-PRESALESDOCITMSUCCESSORUUID, sy-vline,
  WA_IPRESLSDOCITMSUC-SERVICEDOCUMENTITEMUUID, sy-vline,
  WA_IPRESLSDOCITMSUC-PRESLSDOCITMSUCCSSRBUSOBJTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPRESLSDOCITMSUC 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_IPRESLSDOCITMSUC 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_IPRESLSDOCITMSUC INTO WA_IPRESLSDOCITMSUC.


*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_IPRESLSDOCITMSUC_STR, 
MANDT TYPE STRING,
PRESALESDOCUMENTRELATIONUUID TYPE STRING,
PRESALESDOCRLTNSEQUENCENUMBER TYPE STRING,
PRESALESDOCUMENTRELATIONTYPE TYPE STRING,
CHARCLENGTH TYPE STRING,
PRESALESDOCUMENTITEMUUID TYPE STRING,
PRESALESDOCUMENTITEMOBJECTTYPE TYPE STRING,
PRESALESDOCITMRELATIONKIND TYPE STRING,
PRESALESDOCITMSUCCESSORUUID TYPE STRING,
SERVICEDOCUMENTITEMUUID TYPE STRING,
PRESLSDOCITMSUCCSSRBUSOBJTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPRESLSDOCITMSUC_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_IPRESLSDOCITMSUC_STR-MANDT sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESALESDOCUMENTRELATIONUUID sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESALESDOCRLTNSEQUENCENUMBER sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESALESDOCUMENTRELATIONTYPE sy-vline 
WA_IPRESLSDOCITMSUC_STR-CHARCLENGTH sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESALESDOCUMENTITEMUUID sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESALESDOCUMENTITEMOBJECTTYPE sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESALESDOCITMRELATIONKIND sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESALESDOCITMSUCCESSORUUID sy-vline 
WA_IPRESLSDOCITMSUC_STR-SERVICEDOCUMENTITEMUUID sy-vline 
WA_IPRESLSDOCITMSUC_STR-PRESLSDOCITMSUCCSSRBUSOBJTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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