ABAP Select data from SAP table PPL01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PPL01 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 PPL01. 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 PPL01 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_PPL01 TYPE STANDARD TABLE OF PPL01,
      WA_PPL01 TYPE PPL01,
      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: <PPL01> TYPE PPL01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PPL01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PPL01
  INTO TABLE IT_PPL01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPL01
*  INTO TABLE @DATA(IT_PPL012).
*--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_PPL01 INDEX 1 INTO DATA(WA_PPL012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PPL01 ASSIGNING <PPL01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPL01>-PODST = 1.
<PPL01>-ERLRT = 1.
<PPL01>-STPNS = 1.
<PPL01>-RUSER = 1.
<PPL01>-RUSCH = 1.

ENDLOOP.

LOOP AT IT_PPL01 INTO WA_PPL01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPL01-RUSWP, sy-vline,
  WA_PPL01-RUSZR, sy-vline,
  WA_PPL01-BANKN, sy-vline,
  WA_PPL01-UZBEG, sy-vline,
  WA_PPL01-UZEND, sy-vline,
  WA_PPL01-CNTNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPL01 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_PPL01 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_PPL01 INTO WA_PPL01.


*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_PPL01_STR, 
PODST TYPE STRING,
ERLRT TYPE STRING,
STPNS TYPE STRING,
RUSER TYPE STRING,
RUSCH TYPE STRING,
RUSWP TYPE STRING,
RUSZR TYPE STRING,
BANKN TYPE STRING,
UZBEG TYPE STRING,
UZEND TYPE STRING,
CNTNR TYPE STRING,
OVALL TYPE STRING,
AUTH2 TYPE STRING,
LVPEN TYPE STRING,
YLIMT TYPE STRING,
LIMOV TYPE STRING,
PDTKT TYPE STRING,
TERY2 TYPE STRING,
BNKID TYPE STRING,
DPRI2 TYPE STRING,
POSTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPL01_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_PPL01_STR-PODST sy-vline 
WA_PPL01_STR-ERLRT sy-vline 
WA_PPL01_STR-STPNS sy-vline 
WA_PPL01_STR-RUSER sy-vline 
WA_PPL01_STR-RUSCH sy-vline 
WA_PPL01_STR-RUSWP sy-vline 
WA_PPL01_STR-RUSZR sy-vline 
WA_PPL01_STR-BANKN sy-vline 
WA_PPL01_STR-UZBEG sy-vline 
WA_PPL01_STR-UZEND sy-vline 
WA_PPL01_STR-CNTNR sy-vline 
WA_PPL01_STR-OVALL sy-vline 
WA_PPL01_STR-AUTH2 sy-vline 
WA_PPL01_STR-LVPEN sy-vline 
WA_PPL01_STR-YLIMT sy-vline 
WA_PPL01_STR-LIMOV sy-vline 
WA_PPL01_STR-PDTKT sy-vline 
WA_PPL01_STR-TERY2 sy-vline 
WA_PPL01_STR-BNKID sy-vline 
WA_PPL01_STR-DPRI2 sy-vline 
WA_PPL01_STR-POSTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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