ABAP Select data from SAP table P0494 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P0494 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 P0494. 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 P0494 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_P0494 TYPE STANDARD TABLE OF P0494,
      WA_P0494 TYPE P0494,
      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: <P0494> TYPE P0494.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P0494.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P0494
  INTO TABLE IT_P0494.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P0494
*  INTO TABLE @DATA(IT_P04942).
*--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_P0494 INDEX 1 INTO DATA(WA_P04942).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P0494 ASSIGNING <P0494>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P0494>-PERNR = 1.
<P0494>-INFTY = 1.
<P0494>-SUBTY = 1.
<P0494>-OBJPS = 1.
<P0494>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P0494 INTO WA_P0494.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P0494-ENDDA, sy-vline,
  WA_P0494-BEGDA, sy-vline,
  WA_P0494-SEQNR, sy-vline,
  WA_P0494-AEDTM, sy-vline,
  WA_P0494-UNAME, sy-vline,
  WA_P0494-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P0494 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_P0494 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_P0494 INTO WA_P0494.


*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_P0494_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,
SUGID TYPE STRING,
CATGY TYPE STRING,
SUGNR TYPE STRING,
SSNUM TYPE STRING,
ESSTA TYPE STRING,
FACUR TYPE STRING,
FAAMT TYPE STRING,
CTDAT TYPE STRING,
EVDAT TYPE STRING,
ADJST TYPE STRING,
CRT01 TYPE STRING,
PTA01 TYPE STRING,
CRT02 TYPE STRING,
PTA02 TYPE STRING,
CRT03 TYPE STRING,
PTA03 TYPE STRING,
CRT04 TYPE STRING,
PTA04 TYPE STRING,
CRT05 TYPE STRING,
PTA05 TYPE STRING,
CRT06 TYPE STRING,
PTA06 TYPE STRING,
CRT07 TYPE STRING,
PTA07 TYPE STRING,
CRT08 TYPE STRING,
PTA08 TYPE STRING,
CRT09 TYPE STRING,
PTA09 TYPE STRING,
CRT10 TYPE STRING,
PTA10 TYPE STRING,
CRT11 TYPE STRING,
PTA11 TYPE STRING,
CRT12 TYPE STRING,
PTA12 TYPE STRING,
CRT13 TYPE STRING,
PTA13 TYPE STRING,
CRT14 TYPE STRING,
PTA14 TYPE STRING,
CRT15 TYPE STRING,
PTA15 TYPE STRING,
CRT16 TYPE STRING,
PTA16 TYPE STRING,
CRT17 TYPE STRING,
PTA17 TYPE STRING,
CRT18 TYPE STRING,
PTA18 TYPE STRING,
CRT19 TYPE STRING,
PTA19 TYPE STRING,
CRT20 TYPE STRING,
PTA20 TYPE STRING,
CRT21 TYPE STRING,
PTA21 TYPE STRING,
CRT22 TYPE STRING,
PTA22 TYPE STRING,
CRT23 TYPE STRING,
PTA23 TYPE STRING,
CRT24 TYPE STRING,
PTA24 TYPE STRING,
CRT25 TYPE STRING,
PTA25 TYPE STRING,
CRT26 TYPE STRING,
PTA26 TYPE STRING,
CRT27 TYPE STRING,
PTA27 TYPE STRING,
CRT28 TYPE STRING,
PTA28 TYPE STRING,
CRT29 TYPE STRING,
PTA29 TYPE STRING,
CRT30 TYPE STRING,
PTA30 TYPE STRING,
CRT31 TYPE STRING,
PTA31 TYPE STRING,
CRT32 TYPE STRING,
PTA32 TYPE STRING,
CRT33 TYPE STRING,
PTA33 TYPE STRING,
CRT34 TYPE STRING,
PTA34 TYPE STRING,
CRT35 TYPE STRING,
PTA35 TYPE STRING,
CRT36 TYPE STRING,
PTA36 TYPE STRING,
CRT37 TYPE STRING,
PTA37 TYPE STRING,
CRT38 TYPE STRING,
PTA38 TYPE STRING,
CRT39 TYPE STRING,
PTA39 TYPE STRING,
CRT40 TYPE STRING,
PTA40 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P0494_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_P0494_STR-PERNR sy-vline 
WA_P0494_STR-INFTY sy-vline 
WA_P0494_STR-SUBTY sy-vline 
WA_P0494_STR-OBJPS sy-vline 
WA_P0494_STR-SPRPS sy-vline 
WA_P0494_STR-ENDDA sy-vline 
WA_P0494_STR-BEGDA sy-vline 
WA_P0494_STR-SEQNR sy-vline 
WA_P0494_STR-AEDTM sy-vline 
WA_P0494_STR-UNAME sy-vline 
WA_P0494_STR-HISTO sy-vline 
WA_P0494_STR-ITXEX sy-vline 
WA_P0494_STR-REFEX sy-vline 
WA_P0494_STR-ORDEX sy-vline 
WA_P0494_STR-ITBLD sy-vline 
WA_P0494_STR-PREAS sy-vline 
WA_P0494_STR-FLAG1 sy-vline 
WA_P0494_STR-FLAG2 sy-vline 
WA_P0494_STR-FLAG3 sy-vline 
WA_P0494_STR-FLAG4 sy-vline 
WA_P0494_STR-RESE1 sy-vline 
WA_P0494_STR-RESE2 sy-vline 
WA_P0494_STR-GRPVL sy-vline 
WA_P0494_STR-SUGID sy-vline 
WA_P0494_STR-CATGY sy-vline 
WA_P0494_STR-SUGNR sy-vline 
WA_P0494_STR-SSNUM sy-vline 
WA_P0494_STR-ESSTA sy-vline 
WA_P0494_STR-FACUR sy-vline 
WA_P0494_STR-FAAMT sy-vline 
WA_P0494_STR-CTDAT sy-vline 
WA_P0494_STR-EVDAT sy-vline 
WA_P0494_STR-ADJST sy-vline 
WA_P0494_STR-CRT01 sy-vline 
WA_P0494_STR-PTA01 sy-vline 
WA_P0494_STR-CRT02 sy-vline 
WA_P0494_STR-PTA02 sy-vline 
WA_P0494_STR-CRT03 sy-vline 
WA_P0494_STR-PTA03 sy-vline 
WA_P0494_STR-CRT04 sy-vline 
WA_P0494_STR-PTA04 sy-vline 
WA_P0494_STR-CRT05 sy-vline 
WA_P0494_STR-PTA05 sy-vline 
WA_P0494_STR-CRT06 sy-vline 
WA_P0494_STR-PTA06 sy-vline 
WA_P0494_STR-CRT07 sy-vline 
WA_P0494_STR-PTA07 sy-vline 
WA_P0494_STR-CRT08 sy-vline 
WA_P0494_STR-PTA08 sy-vline 
WA_P0494_STR-CRT09 sy-vline 
WA_P0494_STR-PTA09 sy-vline 
WA_P0494_STR-CRT10 sy-vline 
WA_P0494_STR-PTA10 sy-vline 
WA_P0494_STR-CRT11 sy-vline 
WA_P0494_STR-PTA11 sy-vline 
WA_P0494_STR-CRT12 sy-vline 
WA_P0494_STR-PTA12 sy-vline 
WA_P0494_STR-CRT13 sy-vline 
WA_P0494_STR-PTA13 sy-vline 
WA_P0494_STR-CRT14 sy-vline 
WA_P0494_STR-PTA14 sy-vline 
WA_P0494_STR-CRT15 sy-vline 
WA_P0494_STR-PTA15 sy-vline 
WA_P0494_STR-CRT16 sy-vline 
WA_P0494_STR-PTA16 sy-vline 
WA_P0494_STR-CRT17 sy-vline 
WA_P0494_STR-PTA17 sy-vline 
WA_P0494_STR-CRT18 sy-vline 
WA_P0494_STR-PTA18 sy-vline 
WA_P0494_STR-CRT19 sy-vline 
WA_P0494_STR-PTA19 sy-vline 
WA_P0494_STR-CRT20 sy-vline 
WA_P0494_STR-PTA20 sy-vline 
WA_P0494_STR-CRT21 sy-vline 
WA_P0494_STR-PTA21 sy-vline 
WA_P0494_STR-CRT22 sy-vline 
WA_P0494_STR-PTA22 sy-vline 
WA_P0494_STR-CRT23 sy-vline 
WA_P0494_STR-PTA23 sy-vline 
WA_P0494_STR-CRT24 sy-vline 
WA_P0494_STR-PTA24 sy-vline 
WA_P0494_STR-CRT25 sy-vline 
WA_P0494_STR-PTA25 sy-vline 
WA_P0494_STR-CRT26 sy-vline 
WA_P0494_STR-PTA26 sy-vline 
WA_P0494_STR-CRT27 sy-vline 
WA_P0494_STR-PTA27 sy-vline 
WA_P0494_STR-CRT28 sy-vline 
WA_P0494_STR-PTA28 sy-vline 
WA_P0494_STR-CRT29 sy-vline 
WA_P0494_STR-PTA29 sy-vline 
WA_P0494_STR-CRT30 sy-vline 
WA_P0494_STR-PTA30 sy-vline 
WA_P0494_STR-CRT31 sy-vline 
WA_P0494_STR-PTA31 sy-vline 
WA_P0494_STR-CRT32 sy-vline 
WA_P0494_STR-PTA32 sy-vline 
WA_P0494_STR-CRT33 sy-vline 
WA_P0494_STR-PTA33 sy-vline 
WA_P0494_STR-CRT34 sy-vline 
WA_P0494_STR-PTA34 sy-vline 
WA_P0494_STR-CRT35 sy-vline 
WA_P0494_STR-PTA35 sy-vline 
WA_P0494_STR-CRT36 sy-vline 
WA_P0494_STR-PTA36 sy-vline 
WA_P0494_STR-CRT37 sy-vline 
WA_P0494_STR-PTA37 sy-vline 
WA_P0494_STR-CRT38 sy-vline 
WA_P0494_STR-PTA38 sy-vline 
WA_P0494_STR-CRT39 sy-vline 
WA_P0494_STR-PTA39 sy-vline 
WA_P0494_STR-CRT40 sy-vline 
WA_P0494_STR-PTA40 sy-vline      INTO ld_text SEPARATED BY SPACE.

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