ABAP Select data from SAP table P10PL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P10PL 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 P10PL. 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 P10PL 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_P10PL TYPE STANDARD TABLE OF P10PL,
      WA_P10PL TYPE P10PL,
      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: <P10PL> TYPE P10PL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P10PL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P10PL
  INTO TABLE IT_P10PL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P10PL
*  INTO TABLE @DATA(IT_P10PL2).
*--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_P10PL INDEX 1 INTO DATA(WA_P10PL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P10PL ASSIGNING <P10PL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P10PL>-BPL01 = 1.
<P10PL>-VAL01 = 1.
<P10PL>-AMT01 = 1.
<P10PL>-BPL02 = 1.
<P10PL>-VAL02 = 1.

ENDLOOP.

LOOP AT IT_P10PL INTO WA_P10PL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P10PL-AMT02, sy-vline,
  WA_P10PL-BPL03, sy-vline,
  WA_P10PL-VAL03, sy-vline,
  WA_P10PL-AMT03, sy-vline,
  WA_P10PL-BPL04, sy-vline,
  WA_P10PL-VAL04, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P10PL 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_P10PL 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_P10PL INTO WA_P10PL.


*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_P10PL_STR, 
BPL01 TYPE STRING,
VAL01 TYPE STRING,
AMT01 TYPE STRING,
BPL02 TYPE STRING,
VAL02 TYPE STRING,
AMT02 TYPE STRING,
BPL03 TYPE STRING,
VAL03 TYPE STRING,
AMT03 TYPE STRING,
BPL04 TYPE STRING,
VAL04 TYPE STRING,
AMT04 TYPE STRING,
BPL05 TYPE STRING,
VAL05 TYPE STRING,
AMT05 TYPE STRING,
BPL06 TYPE STRING,
VAL06 TYPE STRING,
AMT06 TYPE STRING,
BPL07 TYPE STRING,
VAL07 TYPE STRING,
AMT07 TYPE STRING,
BPL08 TYPE STRING,
VAL08 TYPE STRING,
AMT08 TYPE STRING,
BPL09 TYPE STRING,
VAL09 TYPE STRING,
AMT09 TYPE STRING,
BPL10 TYPE STRING,
VAL10 TYPE STRING,
AMT10 TYPE STRING,
BPL11 TYPE STRING,
VAL11 TYPE STRING,
AMT11 TYPE STRING,
BPL12 TYPE STRING,
VAL12 TYPE STRING,
AMT12 TYPE STRING,
BPL13 TYPE STRING,
VAL13 TYPE STRING,
AMT13 TYPE STRING,
BPL14 TYPE STRING,
VAL14 TYPE STRING,
AMT14 TYPE STRING,
BPL15 TYPE STRING,
VAL15 TYPE STRING,
AMT15 TYPE STRING,
BPL16 TYPE STRING,
VAL16 TYPE STRING,
AMT16 TYPE STRING,
BPL17 TYPE STRING,
VAL17 TYPE STRING,
AMT17 TYPE STRING,
BPL18 TYPE STRING,
VAL18 TYPE STRING,
AMT18 TYPE STRING,
BPL19 TYPE STRING,
VAL19 TYPE STRING,
AMT19 TYPE STRING,
BPL20 TYPE STRING,
VAL20 TYPE STRING,
AMT20 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P10PL_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_P10PL_STR-BPL01 sy-vline 
WA_P10PL_STR-VAL01 sy-vline 
WA_P10PL_STR-AMT01 sy-vline 
WA_P10PL_STR-BPL02 sy-vline 
WA_P10PL_STR-VAL02 sy-vline 
WA_P10PL_STR-AMT02 sy-vline 
WA_P10PL_STR-BPL03 sy-vline 
WA_P10PL_STR-VAL03 sy-vline 
WA_P10PL_STR-AMT03 sy-vline 
WA_P10PL_STR-BPL04 sy-vline 
WA_P10PL_STR-VAL04 sy-vline 
WA_P10PL_STR-AMT04 sy-vline 
WA_P10PL_STR-BPL05 sy-vline 
WA_P10PL_STR-VAL05 sy-vline 
WA_P10PL_STR-AMT05 sy-vline 
WA_P10PL_STR-BPL06 sy-vline 
WA_P10PL_STR-VAL06 sy-vline 
WA_P10PL_STR-AMT06 sy-vline 
WA_P10PL_STR-BPL07 sy-vline 
WA_P10PL_STR-VAL07 sy-vline 
WA_P10PL_STR-AMT07 sy-vline 
WA_P10PL_STR-BPL08 sy-vline 
WA_P10PL_STR-VAL08 sy-vline 
WA_P10PL_STR-AMT08 sy-vline 
WA_P10PL_STR-BPL09 sy-vline 
WA_P10PL_STR-VAL09 sy-vline 
WA_P10PL_STR-AMT09 sy-vline 
WA_P10PL_STR-BPL10 sy-vline 
WA_P10PL_STR-VAL10 sy-vline 
WA_P10PL_STR-AMT10 sy-vline 
WA_P10PL_STR-BPL11 sy-vline 
WA_P10PL_STR-VAL11 sy-vline 
WA_P10PL_STR-AMT11 sy-vline 
WA_P10PL_STR-BPL12 sy-vline 
WA_P10PL_STR-VAL12 sy-vline 
WA_P10PL_STR-AMT12 sy-vline 
WA_P10PL_STR-BPL13 sy-vline 
WA_P10PL_STR-VAL13 sy-vline 
WA_P10PL_STR-AMT13 sy-vline 
WA_P10PL_STR-BPL14 sy-vline 
WA_P10PL_STR-VAL14 sy-vline 
WA_P10PL_STR-AMT14 sy-vline 
WA_P10PL_STR-BPL15 sy-vline 
WA_P10PL_STR-VAL15 sy-vline 
WA_P10PL_STR-AMT15 sy-vline 
WA_P10PL_STR-BPL16 sy-vline 
WA_P10PL_STR-VAL16 sy-vline 
WA_P10PL_STR-AMT16 sy-vline 
WA_P10PL_STR-BPL17 sy-vline 
WA_P10PL_STR-VAL17 sy-vline 
WA_P10PL_STR-AMT17 sy-vline 
WA_P10PL_STR-BPL18 sy-vline 
WA_P10PL_STR-VAL18 sy-vline 
WA_P10PL_STR-AMT18 sy-vline 
WA_P10PL_STR-BPL19 sy-vline 
WA_P10PL_STR-VAL19 sy-vline 
WA_P10PL_STR-AMT19 sy-vline 
WA_P10PL_STR-BPL20 sy-vline 
WA_P10PL_STR-VAL20 sy-vline 
WA_P10PL_STR-AMT20 sy-vline      INTO ld_text SEPARATED BY SPACE.

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