ABAP Select data from SAP table P3363 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P3363 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 P3363. 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 P3363 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_P3363 TYPE STANDARD TABLE OF P3363,
      WA_P3363 TYPE P3363,
      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: <P3363> TYPE P3363.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P3363.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P3363
  INTO TABLE IT_P3363.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P3363
*  INTO TABLE @DATA(IT_P33632).
*--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_P3363 INDEX 1 INTO DATA(WA_P33632).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P3363 ASSIGNING <P3363>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P3363>-PERNR = 1.
<P3363>-INFTY = 1.
<P3363>-SUBTY = 1.
<P3363>-OBJPS = 1.
<P3363>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P3363 INTO WA_P3363.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P3363-ENDDA, sy-vline,
  WA_P3363-BEGDA, sy-vline,
  WA_P3363-SEQNR, sy-vline,
  WA_P3363-AEDTM, sy-vline,
  WA_P3363-UNAME, sy-vline,
  WA_P3363-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P3363 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_P3363 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_P3363 INTO WA_P3363.


*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_P3363_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
AINFO TYPE STRING,
FVERS TYPE STRING,
AIVER TYPE STRING,
FID01 TYPE STRING,
ATV01 TYPE STRING,
FID02 TYPE STRING,
ATV02 TYPE STRING,
FID03 TYPE STRING,
ATV03 TYPE STRING,
FID04 TYPE STRING,
ATV04 TYPE STRING,
FID05 TYPE STRING,
ATV05 TYPE STRING,
FID06 TYPE STRING,
ATV06 TYPE STRING,
FID07 TYPE STRING,
ATV07 TYPE STRING,
FID08 TYPE STRING,
ATV08 TYPE STRING,
FID09 TYPE STRING,
ATV09 TYPE STRING,
FID10 TYPE STRING,
ATV10 TYPE STRING,
FID11 TYPE STRING,
ATV11 TYPE STRING,
FID12 TYPE STRING,
ATV12 TYPE STRING,
FID13 TYPE STRING,
ATV13 TYPE STRING,
FID14 TYPE STRING,
ATV14 TYPE STRING,
FID15 TYPE STRING,
ATV15 TYPE STRING,
FID16 TYPE STRING,
ATV16 TYPE STRING,
FID17 TYPE STRING,
ATV17 TYPE STRING,
FID18 TYPE STRING,
ATV18 TYPE STRING,
FID19 TYPE STRING,
ATV19 TYPE STRING,
FID20 TYPE STRING,
ATV20 TYPE STRING,
FID21 TYPE STRING,
ATV21 TYPE STRING,
FID22 TYPE STRING,
ATV22 TYPE STRING,
FID23 TYPE STRING,
ATV23 TYPE STRING,
FID24 TYPE STRING,
ATV24 TYPE STRING,
FID25 TYPE STRING,
ATV25 TYPE STRING,
FID26 TYPE STRING,
ATV26 TYPE STRING,
FID27 TYPE STRING,
ATV27 TYPE STRING,
FID28 TYPE STRING,
ATV28 TYPE STRING,
FID29 TYPE STRING,
ATV29 TYPE STRING,
FID30 TYPE STRING,
ATV30 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P3363_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_P3363_STR-PERNR sy-vline 
WA_P3363_STR-INFTY sy-vline 
WA_P3363_STR-SUBTY sy-vline 
WA_P3363_STR-OBJPS sy-vline 
WA_P3363_STR-SPRPS sy-vline 
WA_P3363_STR-ENDDA sy-vline 
WA_P3363_STR-BEGDA sy-vline 
WA_P3363_STR-SEQNR sy-vline 
WA_P3363_STR-AEDTM sy-vline 
WA_P3363_STR-UNAME sy-vline 
WA_P3363_STR-HISTO sy-vline 
WA_P3363_STR-ITXEX sy-vline 
WA_P3363_STR-REFEX sy-vline 
WA_P3363_STR-ORDEX sy-vline 
WA_P3363_STR-ITBLD sy-vline 
WA_P3363_STR-PREAS sy-vline 
WA_P3363_STR-FLAG1 sy-vline 
WA_P3363_STR-FLAG2 sy-vline 
WA_P3363_STR-FLAG3 sy-vline 
WA_P3363_STR-FLAG4 sy-vline 
WA_P3363_STR-RESE1 sy-vline 
WA_P3363_STR-RESE2 sy-vline 
WA_P3363_STR-GRPVL sy-vline 
WA_P3363_STR-AINFO sy-vline 
WA_P3363_STR-FVERS sy-vline 
WA_P3363_STR-AIVER sy-vline 
WA_P3363_STR-FID01 sy-vline 
WA_P3363_STR-ATV01 sy-vline 
WA_P3363_STR-FID02 sy-vline 
WA_P3363_STR-ATV02 sy-vline 
WA_P3363_STR-FID03 sy-vline 
WA_P3363_STR-ATV03 sy-vline 
WA_P3363_STR-FID04 sy-vline 
WA_P3363_STR-ATV04 sy-vline 
WA_P3363_STR-FID05 sy-vline 
WA_P3363_STR-ATV05 sy-vline 
WA_P3363_STR-FID06 sy-vline 
WA_P3363_STR-ATV06 sy-vline 
WA_P3363_STR-FID07 sy-vline 
WA_P3363_STR-ATV07 sy-vline 
WA_P3363_STR-FID08 sy-vline 
WA_P3363_STR-ATV08 sy-vline 
WA_P3363_STR-FID09 sy-vline 
WA_P3363_STR-ATV09 sy-vline 
WA_P3363_STR-FID10 sy-vline 
WA_P3363_STR-ATV10 sy-vline 
WA_P3363_STR-FID11 sy-vline 
WA_P3363_STR-ATV11 sy-vline 
WA_P3363_STR-FID12 sy-vline 
WA_P3363_STR-ATV12 sy-vline 
WA_P3363_STR-FID13 sy-vline 
WA_P3363_STR-ATV13 sy-vline 
WA_P3363_STR-FID14 sy-vline 
WA_P3363_STR-ATV14 sy-vline 
WA_P3363_STR-FID15 sy-vline 
WA_P3363_STR-ATV15 sy-vline 
WA_P3363_STR-FID16 sy-vline 
WA_P3363_STR-ATV16 sy-vline 
WA_P3363_STR-FID17 sy-vline 
WA_P3363_STR-ATV17 sy-vline 
WA_P3363_STR-FID18 sy-vline 
WA_P3363_STR-ATV18 sy-vline 
WA_P3363_STR-FID19 sy-vline 
WA_P3363_STR-ATV19 sy-vline 
WA_P3363_STR-FID20 sy-vline 
WA_P3363_STR-ATV20 sy-vline 
WA_P3363_STR-FID21 sy-vline 
WA_P3363_STR-ATV21 sy-vline 
WA_P3363_STR-FID22 sy-vline 
WA_P3363_STR-ATV22 sy-vline 
WA_P3363_STR-FID23 sy-vline 
WA_P3363_STR-ATV23 sy-vline 
WA_P3363_STR-FID24 sy-vline 
WA_P3363_STR-ATV24 sy-vline 
WA_P3363_STR-FID25 sy-vline 
WA_P3363_STR-ATV25 sy-vline 
WA_P3363_STR-FID26 sy-vline 
WA_P3363_STR-ATV26 sy-vline 
WA_P3363_STR-FID27 sy-vline 
WA_P3363_STR-ATV27 sy-vline 
WA_P3363_STR-FID28 sy-vline 
WA_P3363_STR-ATV28 sy-vline 
WA_P3363_STR-FID29 sy-vline 
WA_P3363_STR-ATV29 sy-vline 
WA_P3363_STR-FID30 sy-vline 
WA_P3363_STR-ATV30 sy-vline      INTO ld_text SEPARATED BY SPACE.

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