ABAP Select data from SAP table PRUDSVATCRQSEC10 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRUDSVATCRQSEC10 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 PRUDSVATCRQSEC10. 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 PRUDSVATCRQSEC10 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_PRUDSVATCRQSEC10 TYPE STANDARD TABLE OF PRUDSVATCRQSEC10,
      WA_PRUDSVATCRQSEC10 TYPE PRUDSVATCRQSEC10,
      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: <PRUDSVATCRQSEC10> TYPE PRUDSVATCRQSEC10.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRUDSVATCRQSEC10.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRUDSVATCRQSEC10
  INTO TABLE IT_PRUDSVATCRQSEC10.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUDSVATCRQSEC10
*  INTO TABLE @DATA(IT_PRUDSVATCRQSEC102).
*--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_PRUDSVATCRQSEC10 INDEX 1 INTO DATA(WA_PRUDSVATCRQSEC102).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRUDSVATCRQSEC10 ASSIGNING <PRUDSVATCRQSEC10>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUDSVATCRQSEC10>-MANDT = 1.
<PRUDSVATCRQSEC10>-SECTIONNUMBER = 1.
<PRUDSVATCRQSEC10>-FISCALYEAR = 1.
<PRUDSVATCRQSEC10>-TAXPERIOD = 1.
<PRUDSVATCRQSEC10>-VATRETCORRNUM = 1.

ENDLOOP.

LOOP AT IT_PRUDSVATCRQSEC10 INTO WA_PRUDSVATCRQSEC10.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUDSVATCRQSEC10-REQUESTLINEITEMNUM, sy-vline,
  WA_PRUDSVATCRQSEC10-ORIGINALVATINVNUMBER, sy-vline,
  WA_PRUDSVATCRQSEC10-ORIGINALVATINVDATE, sy-vline,
  WA_PRUDSVATCRQSEC10-ORIGINALVATINVEXTNUMBER, sy-vline,
  WA_PRUDSVATCRQSEC10-CORRECTIVEVATINVEXTNUMBER, sy-vline,
  WA_PRUDSVATCRQSEC10-CORRECTIVEVATINVNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUDSVATCRQSEC10 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_PRUDSVATCRQSEC10 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_PRUDSVATCRQSEC10 INTO WA_PRUDSVATCRQSEC10.


*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 GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSVATCRQSEC10-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSVATCRQSEC10-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VATRETCORRNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSVATCRQSEC10-VATRETCORRNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSVATCRQSEC10-VATRETCORRNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORIGINALVATINVNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSVATCRQSEC10-ORIGINALVATINVNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSVATCRQSEC10-ORIGINALVATINVNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORRECTIVEVATINVNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSVATCRQSEC10-CORRECTIVEVATINVNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSVATCRQSEC10-CORRECTIVEVATINVNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REVISIONVATINVNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSVATCRQSEC10-REVISIONVATINVNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSVATCRQSEC10-REVISIONVATINVNUMBER.
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_PRUDSVATCRQSEC10_STR, 
MANDT TYPE STRING,
SECTIONNUMBER TYPE STRING,
FISCALYEAR TYPE STRING,
TAXPERIOD TYPE STRING,
VATRETCORRNUM TYPE STRING,
REQUESTLINEITEMNUM TYPE STRING,
ORIGINALVATINVNUMBER TYPE STRING,
ORIGINALVATINVDATE TYPE STRING,
ORIGINALVATINVEXTNUMBER TYPE STRING,
CORRECTIVEVATINVEXTNUMBER TYPE STRING,
CORRECTIVEVATINVNUMBER TYPE STRING,
CORRECTIVEVATINVDATE TYPE STRING,
REVISIONNUMBER TYPE STRING,
ORIGVATINVREVISIONNUMBER TYPE STRING,
ORIGVATINVREVISIONDATE TYPE STRING,
REVISIONDATE TYPE STRING,
REVISIONVATINVNUMBER TYPE STRING,
ERRORCODE TYPE STRING,
STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUDSVATCRQSEC10_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_PRUDSVATCRQSEC10_STR-MANDT sy-vline 
WA_PRUDSVATCRQSEC10_STR-SECTIONNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-FISCALYEAR sy-vline 
WA_PRUDSVATCRQSEC10_STR-TAXPERIOD sy-vline 
WA_PRUDSVATCRQSEC10_STR-VATRETCORRNUM sy-vline 
WA_PRUDSVATCRQSEC10_STR-REQUESTLINEITEMNUM sy-vline 
WA_PRUDSVATCRQSEC10_STR-ORIGINALVATINVNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-ORIGINALVATINVDATE sy-vline 
WA_PRUDSVATCRQSEC10_STR-ORIGINALVATINVEXTNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-CORRECTIVEVATINVEXTNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-CORRECTIVEVATINVNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-CORRECTIVEVATINVDATE sy-vline 
WA_PRUDSVATCRQSEC10_STR-REVISIONNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-ORIGVATINVREVISIONNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-ORIGVATINVREVISIONDATE sy-vline 
WA_PRUDSVATCRQSEC10_STR-REVISIONDATE sy-vline 
WA_PRUDSVATCRQSEC10_STR-REVISIONVATINVNUMBER sy-vline 
WA_PRUDSVATCRQSEC10_STR-ERRORCODE sy-vline 
WA_PRUDSVATCRQSEC10_STR-STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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