ABAP Select data from SAP table PSDDOCISSERRSUM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSDDOCISSERRSUM
*  INTO TABLE @DATA(IT_PSDDOCISSERRSUM2).
*--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_PSDDOCISSERRSUM INDEX 1 INTO DATA(WA_PSDDOCISSERRSUM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSDDOCISSERRSUM>-MANDT = 1.
<PSDDOCISSERRSUM>-APPLICATIONLOG = 1.
<PSDDOCISSERRSUM>-OBJECT = 1.
<PSDDOCISSERRSUM>-APPLICATIONLOGHANDLE = 1.
<PSDDOCISSERRSUM>-SUBOBJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSDDOCISSERRSUM-EXTERNALNUMBER, sy-vline,
  WA_PSDDOCISSERRSUM-COMPANYCODE, sy-vline,
  WA_PSDDOCISSERRSUM-ACCOUNTINGPRINCIPLE, sy-vline,
  WA_PSDDOCISSERRSUM-PREFIX, sy-vline,
  WA_PSDDOCISSERRSUM-SDDOCUMENT, sy-vline,
  WA_PSDDOCISSERRSUM-SDDOCUMENTITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSDDOCISSERRSUM 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_PSDDOCISSERRSUM 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_PSDDOCISSERRSUM INTO WA_PSDDOCISSERRSUM.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSDDOCISSERRSUM-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSDDOCISSERRSUM-FISCALYEAR.
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_PSDDOCISSERRSUM_STR, 
MANDT TYPE STRING,
APPLICATIONLOG TYPE STRING,
OBJECT TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
SUBOBJECT TYPE STRING,
EXTERNALNUMBER TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGPRINCIPLE TYPE STRING,
PREFIX TYPE STRING,
SDDOCUMENT TYPE STRING,
SDDOCUMENTITEM TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
NUMBEROFOPENERRORMESSAGES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSDDOCISSERRSUM_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_PSDDOCISSERRSUM_STR-MANDT sy-vline 
WA_PSDDOCISSERRSUM_STR-APPLICATIONLOG sy-vline 
WA_PSDDOCISSERRSUM_STR-OBJECT sy-vline 
WA_PSDDOCISSERRSUM_STR-APPLICATIONLOGHANDLE sy-vline 
WA_PSDDOCISSERRSUM_STR-SUBOBJECT sy-vline 
WA_PSDDOCISSERRSUM_STR-EXTERNALNUMBER sy-vline 
WA_PSDDOCISSERRSUM_STR-COMPANYCODE sy-vline 
WA_PSDDOCISSERRSUM_STR-ACCOUNTINGPRINCIPLE sy-vline 
WA_PSDDOCISSERRSUM_STR-PREFIX sy-vline 
WA_PSDDOCISSERRSUM_STR-SDDOCUMENT sy-vline 
WA_PSDDOCISSERRSUM_STR-SDDOCUMENTITEM sy-vline 
WA_PSDDOCISSERRSUM_STR-FISCALYEAR sy-vline 
WA_PSDDOCISSERRSUM_STR-FISCALPERIOD sy-vline 
WA_PSDDOCISSERRSUM_STR-NUMBEROFOPENERRORMESSAGES sy-vline      INTO ld_text SEPARATED BY SPACE.

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