ABAP Select data from SAP table P0851 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P0851 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 P0851. 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 P0851 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_P0851 TYPE STANDARD TABLE OF P0851,
      WA_P0851 TYPE P0851,
      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: <P0851> TYPE P0851.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P0851.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P0851
  INTO TABLE IT_P0851.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P0851
*  INTO TABLE @DATA(IT_P08512).
*--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_P0851 INDEX 1 INTO DATA(WA_P08512).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P0851 ASSIGNING <P0851>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P0851>-PERNR = 1.
<P0851>-INFTY = 1.
<P0851>-SUBTY = 1.
<P0851>-OBJPS = 1.
<P0851>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P0851 INTO WA_P0851.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P0851-ENDDA, sy-vline,
  WA_P0851-BEGDA, sy-vline,
  WA_P0851-SEQNR, sy-vline,
  WA_P0851-AEDTM, sy-vline,
  WA_P0851-UNAME, sy-vline,
  WA_P0851-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P0851 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_P0851 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_P0851 INTO WA_P0851.


*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_P0851_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,
CONTTY TYPE STRING,
PARTNER TYPE STRING,
WAERS TYPE STRING,
WTGRP01 TYPE STRING,
CCAMT01 TYPE STRING,
CCPRL01 TYPE STRING,
CCPCT01 TYPE STRING,
CCRRL01 TYPE STRING,
WTGRP02 TYPE STRING,
CCAMT02 TYPE STRING,
CCPRL02 TYPE STRING,
CCPCT02 TYPE STRING,
CCRRL02 TYPE STRING,
WTGRP03 TYPE STRING,
CCAMT03 TYPE STRING,
CCPRL03 TYPE STRING,
CCPCT03 TYPE STRING,
CCRRL03 TYPE STRING,
WTGRP04 TYPE STRING,
CCAMT04 TYPE STRING,
CCPRL04 TYPE STRING,
CCPCT04 TYPE STRING,
CCRRL04 TYPE STRING,
WTGRP05 TYPE STRING,
CCAMT05 TYPE STRING,
CCPRL05 TYPE STRING,
CCPCT05 TYPE STRING,
CCRRL05 TYPE STRING,
WTGRP06 TYPE STRING,
CCAMT06 TYPE STRING,
CCPRL06 TYPE STRING,
CCPCT06 TYPE STRING,
CCRRL06 TYPE STRING,
WTGRP07 TYPE STRING,
CCAMT07 TYPE STRING,
CCPRL07 TYPE STRING,
CCPCT07 TYPE STRING,
CCRRL07 TYPE STRING,
WTGRP08 TYPE STRING,
CCAMT08 TYPE STRING,
CCPRL08 TYPE STRING,
CCPCT08 TYPE STRING,
CCRRL08 TYPE STRING,
WTGRP09 TYPE STRING,
CCAMT09 TYPE STRING,
CCPRL09 TYPE STRING,
CCPCT09 TYPE STRING,
CCRRL09 TYPE STRING,
WTGRP10 TYPE STRING,
CCAMT10 TYPE STRING,
CCPRL10 TYPE STRING,
CCPCT10 TYPE STRING,
CCRRL10 TYPE STRING,
WTGRP11 TYPE STRING,
CCAMT11 TYPE STRING,
CCPRL11 TYPE STRING,
CCPCT11 TYPE STRING,
CCRRL11 TYPE STRING,
WTGRP12 TYPE STRING,
CCAMT12 TYPE STRING,
CCPRL12 TYPE STRING,
CCPCT12 TYPE STRING,
CCRRL12 TYPE STRING,
WTGRP13 TYPE STRING,
CCAMT13 TYPE STRING,
CCPRL13 TYPE STRING,
CCPCT13 TYPE STRING,
CCRRL13 TYPE STRING,
WTGRP14 TYPE STRING,
CCAMT14 TYPE STRING,
CCPRL14 TYPE STRING,
CCPCT14 TYPE STRING,
CCRRL14 TYPE STRING,
WTGRP15 TYPE STRING,
CCAMT15 TYPE STRING,
CCPRL15 TYPE STRING,
CCPCT15 TYPE STRING,
CCRRL15 TYPE STRING,
WTGRP16 TYPE STRING,
CCAMT16 TYPE STRING,
CCPRL16 TYPE STRING,
CCPCT16 TYPE STRING,
CCRRL16 TYPE STRING,
WTGRP17 TYPE STRING,
CCAMT17 TYPE STRING,
CCPRL17 TYPE STRING,
CCPCT17 TYPE STRING,
CCRRL17 TYPE STRING,
WTGRP18 TYPE STRING,
CCAMT18 TYPE STRING,
CCPRL18 TYPE STRING,
CCPCT18 TYPE STRING,
CCRRL18 TYPE STRING,
WTGRP19 TYPE STRING,
CCAMT19 TYPE STRING,
CCPRL19 TYPE STRING,
CCPCT19 TYPE STRING,
CCRRL19 TYPE STRING,
WTGRP20 TYPE STRING,
CCAMT20 TYPE STRING,
CCPRL20 TYPE STRING,
CCPCT20 TYPE STRING,
CCRRL20 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P0851_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_P0851_STR-PERNR sy-vline 
WA_P0851_STR-INFTY sy-vline 
WA_P0851_STR-SUBTY sy-vline 
WA_P0851_STR-OBJPS sy-vline 
WA_P0851_STR-SPRPS sy-vline 
WA_P0851_STR-ENDDA sy-vline 
WA_P0851_STR-BEGDA sy-vline 
WA_P0851_STR-SEQNR sy-vline 
WA_P0851_STR-AEDTM sy-vline 
WA_P0851_STR-UNAME sy-vline 
WA_P0851_STR-HISTO sy-vline 
WA_P0851_STR-ITXEX sy-vline 
WA_P0851_STR-REFEX sy-vline 
WA_P0851_STR-ORDEX sy-vline 
WA_P0851_STR-ITBLD sy-vline 
WA_P0851_STR-PREAS sy-vline 
WA_P0851_STR-FLAG1 sy-vline 
WA_P0851_STR-FLAG2 sy-vline 
WA_P0851_STR-FLAG3 sy-vline 
WA_P0851_STR-FLAG4 sy-vline 
WA_P0851_STR-RESE1 sy-vline 
WA_P0851_STR-RESE2 sy-vline 
WA_P0851_STR-GRPVL sy-vline 
WA_P0851_STR-CONTTY sy-vline 
WA_P0851_STR-PARTNER sy-vline 
WA_P0851_STR-WAERS sy-vline 
WA_P0851_STR-WTGRP01 sy-vline 
WA_P0851_STR-CCAMT01 sy-vline 
WA_P0851_STR-CCPRL01 sy-vline 
WA_P0851_STR-CCPCT01 sy-vline 
WA_P0851_STR-CCRRL01 sy-vline 
WA_P0851_STR-WTGRP02 sy-vline 
WA_P0851_STR-CCAMT02 sy-vline 
WA_P0851_STR-CCPRL02 sy-vline 
WA_P0851_STR-CCPCT02 sy-vline 
WA_P0851_STR-CCRRL02 sy-vline 
WA_P0851_STR-WTGRP03 sy-vline 
WA_P0851_STR-CCAMT03 sy-vline 
WA_P0851_STR-CCPRL03 sy-vline 
WA_P0851_STR-CCPCT03 sy-vline 
WA_P0851_STR-CCRRL03 sy-vline 
WA_P0851_STR-WTGRP04 sy-vline 
WA_P0851_STR-CCAMT04 sy-vline 
WA_P0851_STR-CCPRL04 sy-vline 
WA_P0851_STR-CCPCT04 sy-vline 
WA_P0851_STR-CCRRL04 sy-vline 
WA_P0851_STR-WTGRP05 sy-vline 
WA_P0851_STR-CCAMT05 sy-vline 
WA_P0851_STR-CCPRL05 sy-vline 
WA_P0851_STR-CCPCT05 sy-vline 
WA_P0851_STR-CCRRL05 sy-vline 
WA_P0851_STR-WTGRP06 sy-vline 
WA_P0851_STR-CCAMT06 sy-vline 
WA_P0851_STR-CCPRL06 sy-vline 
WA_P0851_STR-CCPCT06 sy-vline 
WA_P0851_STR-CCRRL06 sy-vline 
WA_P0851_STR-WTGRP07 sy-vline 
WA_P0851_STR-CCAMT07 sy-vline 
WA_P0851_STR-CCPRL07 sy-vline 
WA_P0851_STR-CCPCT07 sy-vline 
WA_P0851_STR-CCRRL07 sy-vline 
WA_P0851_STR-WTGRP08 sy-vline 
WA_P0851_STR-CCAMT08 sy-vline 
WA_P0851_STR-CCPRL08 sy-vline 
WA_P0851_STR-CCPCT08 sy-vline 
WA_P0851_STR-CCRRL08 sy-vline 
WA_P0851_STR-WTGRP09 sy-vline 
WA_P0851_STR-CCAMT09 sy-vline 
WA_P0851_STR-CCPRL09 sy-vline 
WA_P0851_STR-CCPCT09 sy-vline 
WA_P0851_STR-CCRRL09 sy-vline 
WA_P0851_STR-WTGRP10 sy-vline 
WA_P0851_STR-CCAMT10 sy-vline 
WA_P0851_STR-CCPRL10 sy-vline 
WA_P0851_STR-CCPCT10 sy-vline 
WA_P0851_STR-CCRRL10 sy-vline 
WA_P0851_STR-WTGRP11 sy-vline 
WA_P0851_STR-CCAMT11 sy-vline 
WA_P0851_STR-CCPRL11 sy-vline 
WA_P0851_STR-CCPCT11 sy-vline 
WA_P0851_STR-CCRRL11 sy-vline 
WA_P0851_STR-WTGRP12 sy-vline 
WA_P0851_STR-CCAMT12 sy-vline 
WA_P0851_STR-CCPRL12 sy-vline 
WA_P0851_STR-CCPCT12 sy-vline 
WA_P0851_STR-CCRRL12 sy-vline 
WA_P0851_STR-WTGRP13 sy-vline 
WA_P0851_STR-CCAMT13 sy-vline 
WA_P0851_STR-CCPRL13 sy-vline 
WA_P0851_STR-CCPCT13 sy-vline 
WA_P0851_STR-CCRRL13 sy-vline 
WA_P0851_STR-WTGRP14 sy-vline 
WA_P0851_STR-CCAMT14 sy-vline 
WA_P0851_STR-CCPRL14 sy-vline 
WA_P0851_STR-CCPCT14 sy-vline 
WA_P0851_STR-CCRRL14 sy-vline 
WA_P0851_STR-WTGRP15 sy-vline 
WA_P0851_STR-CCAMT15 sy-vline 
WA_P0851_STR-CCPRL15 sy-vline 
WA_P0851_STR-CCPCT15 sy-vline 
WA_P0851_STR-CCRRL15 sy-vline 
WA_P0851_STR-WTGRP16 sy-vline 
WA_P0851_STR-CCAMT16 sy-vline 
WA_P0851_STR-CCPRL16 sy-vline 
WA_P0851_STR-CCPCT16 sy-vline 
WA_P0851_STR-CCRRL16 sy-vline 
WA_P0851_STR-WTGRP17 sy-vline 
WA_P0851_STR-CCAMT17 sy-vline 
WA_P0851_STR-CCPRL17 sy-vline 
WA_P0851_STR-CCPCT17 sy-vline 
WA_P0851_STR-CCRRL17 sy-vline 
WA_P0851_STR-WTGRP18 sy-vline 
WA_P0851_STR-CCAMT18 sy-vline 
WA_P0851_STR-CCPRL18 sy-vline 
WA_P0851_STR-CCPCT18 sy-vline 
WA_P0851_STR-CCRRL18 sy-vline 
WA_P0851_STR-WTGRP19 sy-vline 
WA_P0851_STR-CCAMT19 sy-vline 
WA_P0851_STR-CCPRL19 sy-vline 
WA_P0851_STR-CCPCT19 sy-vline 
WA_P0851_STR-CCRRL19 sy-vline 
WA_P0851_STR-WTGRP20 sy-vline 
WA_P0851_STR-CCAMT20 sy-vline 
WA_P0851_STR-CCPRL20 sy-vline 
WA_P0851_STR-CCPCT20 sy-vline 
WA_P0851_STR-CCRRL20 sy-vline      INTO ld_text SEPARATED BY SPACE.

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