ABAP Select data from SAP table PRUORDT8 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRUORDT8 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 PRUORDT8. 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 PRUORDT8 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_PRUORDT8 TYPE STANDARD TABLE OF PRUORDT8,
      WA_PRUORDT8 TYPE PRUORDT8,
      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: <PRUORDT8> TYPE PRUORDT8.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRUORDT8.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRUORDT8
  INTO TABLE IT_PRUORDT8.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUORDT8
*  INTO TABLE @DATA(IT_PRUORDT82).
*--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_PRUORDT8 INDEX 1 INTO DATA(WA_PRUORDT82).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRUORDT8 ASSIGNING <PRUORDT8>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUORDT8>-FIO = 1.
<PRUORDT8>-TABNUM = 1.
<PRUORDT8>-DEPART = 1.
<PRUORDT8>-POSIT = 1.
<PRUORDT8>-BASFI = 1.

ENDLOOP.

LOOP AT IT_PRUORDT8 INTO WA_PRUORDT8.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUORDT8-DOCFI, sy-vline,
  WA_PRUORDT8-DOGNUM, sy-vline,
  WA_PRUORDT8-DOGDAT, sy-vline,
  WA_PRUORDT8-FIDAT, sy-vline,
  WA_PRUORDT8-DECDAT, sy-vline,
  WA_PRUORDT8-DECNUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUORDT8 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_PRUORDT8 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_PRUORDT8 INTO WA_PRUORDT8.


*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_PRUORDT8_STR, 
FIO TYPE STRING,
TABNUM TYPE STRING,
DEPART TYPE STRING,
POSIT TYPE STRING,
BASFI TYPE STRING,
DOCFI TYPE STRING,
DOGNUM TYPE STRING,
DOGDAT TYPE STRING,
FIDAT TYPE STRING,
DECDAT TYPE STRING,
DECNUM TYPE STRING,
SIGDAT TYPE STRING,
FIDAT_DEN TYPE STRING,
FIDAT_MES TYPE STRING,
FIDAT_GOD TYPE STRING,
DOGDAT_DEN TYPE STRING,
DOGDAT_MES TYPE STRING,
DOGDAT_GOD TYPE STRING,
DECDAT_DEN TYPE STRING,
DECDAT_MES TYPE STRING,
DECDAT_GOD TYPE STRING,
SIGDAT_DEN TYPE STRING,
SIGDAT_MES TYPE STRING,
SIGDAT_GOD TYPE STRING,
BUTTONS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUORDT8_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_PRUORDT8_STR-FIO sy-vline 
WA_PRUORDT8_STR-TABNUM sy-vline 
WA_PRUORDT8_STR-DEPART sy-vline 
WA_PRUORDT8_STR-POSIT sy-vline 
WA_PRUORDT8_STR-BASFI sy-vline 
WA_PRUORDT8_STR-DOCFI sy-vline 
WA_PRUORDT8_STR-DOGNUM sy-vline 
WA_PRUORDT8_STR-DOGDAT sy-vline 
WA_PRUORDT8_STR-FIDAT sy-vline 
WA_PRUORDT8_STR-DECDAT sy-vline 
WA_PRUORDT8_STR-DECNUM sy-vline 
WA_PRUORDT8_STR-SIGDAT sy-vline 
WA_PRUORDT8_STR-FIDAT_DEN sy-vline 
WA_PRUORDT8_STR-FIDAT_MES sy-vline 
WA_PRUORDT8_STR-FIDAT_GOD sy-vline 
WA_PRUORDT8_STR-DOGDAT_DEN sy-vline 
WA_PRUORDT8_STR-DOGDAT_MES sy-vline 
WA_PRUORDT8_STR-DOGDAT_GOD sy-vline 
WA_PRUORDT8_STR-DECDAT_DEN sy-vline 
WA_PRUORDT8_STR-DECDAT_MES sy-vline 
WA_PRUORDT8_STR-DECDAT_GOD sy-vline 
WA_PRUORDT8_STR-SIGDAT_DEN sy-vline 
WA_PRUORDT8_STR-SIGDAT_MES sy-vline 
WA_PRUORDT8_STR-SIGDAT_GOD sy-vline 
WA_PRUORDT8_STR-BUTTONS sy-vline      INTO ld_text SEPARATED BY SPACE.

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