ABAP Select data from SAP table P0582 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P0582 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 P0582. 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 P0582 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_P0582 TYPE STANDARD TABLE OF P0582,
      WA_P0582 TYPE P0582,
      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: <P0582> TYPE P0582.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P0582.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P0582
  INTO TABLE IT_P0582.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P0582
*  INTO TABLE @DATA(IT_P05822).
*--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_P0582 INDEX 1 INTO DATA(WA_P05822).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P0582 ASSIGNING <P0582>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P0582>-PERNR = 1.
<P0582>-INFTY = 1.
<P0582>-SUBTY = 1.
<P0582>-OBJPS = 1.
<P0582>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P0582 INTO WA_P0582.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P0582-ENDDA, sy-vline,
  WA_P0582-BEGDA, sy-vline,
  WA_P0582-SEQNR, sy-vline,
  WA_P0582-AEDTM, sy-vline,
  WA_P0582-UNAME, sy-vline,
  WA_P0582-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P0582 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_P0582 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_P0582 INTO WA_P0582.


*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_P0582_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,
AMTEX TYPE STRING,
JBGDT TYPE STRING,
JENDT TYPE STRING,
STPNT TYPE STRING,
DESTN TYPE STRING,
MTRVL TYPE STRING,
CTRVL TYPE STRING,
TKTNO TYPE STRING,
SLFTR TYPE STRING,
CLMCF TYPE STRING,
WAEHI TYPE STRING,
FAMSA1 TYPE STRING,
OBJPS1 TYPE STRING,
FAMSA2 TYPE STRING,
OBJPS2 TYPE STRING,
FAMSA3 TYPE STRING,
OBJPS3 TYPE STRING,
FAMSA4 TYPE STRING,
OBJPS4 TYPE STRING,
FAMSA5 TYPE STRING,
OBJPS5 TYPE STRING,
FAMSA6 TYPE STRING,
OBJPS6 TYPE STRING,
FAMSA7 TYPE STRING,
OBJPS7 TYPE STRING,
FAMSA8 TYPE STRING,
OBJPS8 TYPE STRING,
FAMSA9 TYPE STRING,
OBJPS9 TYPE STRING,
FAMSA10 TYPE STRING,
OBJPS10 TYPE STRING,
FAMSA11 TYPE STRING,
OBJPS11 TYPE STRING,
FAMSA12 TYPE STRING,
OBJPS12 TYPE STRING,
FAMSA13 TYPE STRING,
OBJPS13 TYPE STRING,
FAMSA14 TYPE STRING,
OBJPS14 TYPE STRING,
FAMSA15 TYPE STRING,
OBJPS15 TYPE STRING,
FAMSA16 TYPE STRING,
OBJPS16 TYPE STRING,
FAMSA17 TYPE STRING,
OBJPS17 TYPE STRING,
FAMSA18 TYPE STRING,
OBJPS18 TYPE STRING,
FAMSA19 TYPE STRING,
OBJPS19 TYPE STRING,
FAMSA20 TYPE STRING,
OBJPS20 TYPE STRING,
MINCK TYPE STRING,
AMTXN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P0582_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_P0582_STR-PERNR sy-vline 
WA_P0582_STR-INFTY sy-vline 
WA_P0582_STR-SUBTY sy-vline 
WA_P0582_STR-OBJPS sy-vline 
WA_P0582_STR-SPRPS sy-vline 
WA_P0582_STR-ENDDA sy-vline 
WA_P0582_STR-BEGDA sy-vline 
WA_P0582_STR-SEQNR sy-vline 
WA_P0582_STR-AEDTM sy-vline 
WA_P0582_STR-UNAME sy-vline 
WA_P0582_STR-HISTO sy-vline 
WA_P0582_STR-ITXEX sy-vline 
WA_P0582_STR-REFEX sy-vline 
WA_P0582_STR-ORDEX sy-vline 
WA_P0582_STR-ITBLD sy-vline 
WA_P0582_STR-PREAS sy-vline 
WA_P0582_STR-FLAG1 sy-vline 
WA_P0582_STR-FLAG2 sy-vline 
WA_P0582_STR-FLAG3 sy-vline 
WA_P0582_STR-FLAG4 sy-vline 
WA_P0582_STR-RESE1 sy-vline 
WA_P0582_STR-RESE2 sy-vline 
WA_P0582_STR-GRPVL sy-vline 
WA_P0582_STR-AMTEX sy-vline 
WA_P0582_STR-JBGDT sy-vline 
WA_P0582_STR-JENDT sy-vline 
WA_P0582_STR-STPNT sy-vline 
WA_P0582_STR-DESTN sy-vline 
WA_P0582_STR-MTRVL sy-vline 
WA_P0582_STR-CTRVL sy-vline 
WA_P0582_STR-TKTNO sy-vline 
WA_P0582_STR-SLFTR sy-vline 
WA_P0582_STR-CLMCF sy-vline 
WA_P0582_STR-WAEHI sy-vline 
WA_P0582_STR-FAMSA1 sy-vline 
WA_P0582_STR-OBJPS1 sy-vline 
WA_P0582_STR-FAMSA2 sy-vline 
WA_P0582_STR-OBJPS2 sy-vline 
WA_P0582_STR-FAMSA3 sy-vline 
WA_P0582_STR-OBJPS3 sy-vline 
WA_P0582_STR-FAMSA4 sy-vline 
WA_P0582_STR-OBJPS4 sy-vline 
WA_P0582_STR-FAMSA5 sy-vline 
WA_P0582_STR-OBJPS5 sy-vline 
WA_P0582_STR-FAMSA6 sy-vline 
WA_P0582_STR-OBJPS6 sy-vline 
WA_P0582_STR-FAMSA7 sy-vline 
WA_P0582_STR-OBJPS7 sy-vline 
WA_P0582_STR-FAMSA8 sy-vline 
WA_P0582_STR-OBJPS8 sy-vline 
WA_P0582_STR-FAMSA9 sy-vline 
WA_P0582_STR-OBJPS9 sy-vline 
WA_P0582_STR-FAMSA10 sy-vline 
WA_P0582_STR-OBJPS10 sy-vline 
WA_P0582_STR-FAMSA11 sy-vline 
WA_P0582_STR-OBJPS11 sy-vline 
WA_P0582_STR-FAMSA12 sy-vline 
WA_P0582_STR-OBJPS12 sy-vline 
WA_P0582_STR-FAMSA13 sy-vline 
WA_P0582_STR-OBJPS13 sy-vline 
WA_P0582_STR-FAMSA14 sy-vline 
WA_P0582_STR-OBJPS14 sy-vline 
WA_P0582_STR-FAMSA15 sy-vline 
WA_P0582_STR-OBJPS15 sy-vline 
WA_P0582_STR-FAMSA16 sy-vline 
WA_P0582_STR-OBJPS16 sy-vline 
WA_P0582_STR-FAMSA17 sy-vline 
WA_P0582_STR-OBJPS17 sy-vline 
WA_P0582_STR-FAMSA18 sy-vline 
WA_P0582_STR-OBJPS18 sy-vline 
WA_P0582_STR-FAMSA19 sy-vline 
WA_P0582_STR-OBJPS19 sy-vline 
WA_P0582_STR-FAMSA20 sy-vline 
WA_P0582_STR-OBJPS20 sy-vline 
WA_P0582_STR-MINCK sy-vline 
WA_P0582_STR-AMTXN sy-vline      INTO ld_text SEPARATED BY SPACE.

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