ABAP Select data from SAP table PS0071 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0071 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 PS0071. 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 PS0071 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_PS0071 TYPE STANDARD TABLE OF PS0071,
      WA_PS0071 TYPE PS0071,
      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: <PS0071> TYPE PS0071.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0071.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0071
  INTO TABLE IT_PS0071.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0071
*  INTO TABLE @DATA(IT_PS00712).
*--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_PS0071 INDEX 1 INTO DATA(WA_PS00712).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0071 ASSIGNING <PS0071>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0071>-SCREF = 1.
<PS0071>-EEREF = 1.
<PS0071>-LOLEV = 1.
<PS0071>-UPLEV = 1.
<PS0071>-PCTEE = 1.

ENDLOOP.

LOOP AT IT_PS0071 INTO WA_PS0071.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0071-PCTER, sy-vline,
  WA_PS0071-PCMEE, sy-vline,
  WA_PS0071-PCMER, sy-vline,
  WA_PS0071-PCHIE, sy-vline,
  WA_PS0071-PCHIR, sy-vline,
  WA_PS0071-PCEES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0071 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_PS0071 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_PS0071 INTO WA_PS0071.


*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_PS0071_STR, 
SCREF TYPE STRING,
EEREF TYPE STRING,
LOLEV TYPE STRING,
UPLEV TYPE STRING,
PCTEE TYPE STRING,
PCTER TYPE STRING,
PCMEE TYPE STRING,
PCMER TYPE STRING,
PCHIE TYPE STRING,
PCHIR TYPE STRING,
PCEES TYPE STRING,
PCERS TYPE STRING,
FTREE TYPE STRING,
FTRER TYPE STRING,
FTEES TYPE STRING,
FTERS TYPE STRING,
CALEE TYPE STRING,
CALER TYPE STRING,
CLEES TYPE STRING,
CLERS TYPE STRING,
FTMEE TYPE STRING,
FTMER TYPE STRING,
FTHEE TYPE STRING,
FTHER TYPE STRING,
PNPRT TYPE STRING,
PRTCH TYPE STRING,
WAERS TYPE STRING,
PNCAP TYPE STRING,
PCTSS TYPE STRING,
PENSFLAG TYPE STRING,
PSSCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0071_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_PS0071_STR-SCREF sy-vline 
WA_PS0071_STR-EEREF sy-vline 
WA_PS0071_STR-LOLEV sy-vline 
WA_PS0071_STR-UPLEV sy-vline 
WA_PS0071_STR-PCTEE sy-vline 
WA_PS0071_STR-PCTER sy-vline 
WA_PS0071_STR-PCMEE sy-vline 
WA_PS0071_STR-PCMER sy-vline 
WA_PS0071_STR-PCHIE sy-vline 
WA_PS0071_STR-PCHIR sy-vline 
WA_PS0071_STR-PCEES sy-vline 
WA_PS0071_STR-PCERS sy-vline 
WA_PS0071_STR-FTREE sy-vline 
WA_PS0071_STR-FTRER sy-vline 
WA_PS0071_STR-FTEES sy-vline 
WA_PS0071_STR-FTERS sy-vline 
WA_PS0071_STR-CALEE sy-vline 
WA_PS0071_STR-CALER sy-vline 
WA_PS0071_STR-CLEES sy-vline 
WA_PS0071_STR-CLERS sy-vline 
WA_PS0071_STR-FTMEE sy-vline 
WA_PS0071_STR-FTMER sy-vline 
WA_PS0071_STR-FTHEE sy-vline 
WA_PS0071_STR-FTHER sy-vline 
WA_PS0071_STR-PNPRT sy-vline 
WA_PS0071_STR-PRTCH sy-vline 
WA_PS0071_STR-WAERS sy-vline 
WA_PS0071_STR-PNCAP sy-vline 
WA_PS0071_STR-PCTSS sy-vline 
WA_PS0071_STR-PENSFLAG sy-vline 
WA_PS0071_STR-PSSCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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