ABAP Select data from SAP table LSO_PPVAR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LSO_PPVAR
*  INTO TABLE @DATA(IT_LSO_PPVAR2).
*--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_LSO_PPVAR INDEX 1 INTO DATA(WA_LSO_PPVAR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LSO_PPVAR>-BUSTRANTYPE = 1.
<LSO_PPVAR>-KSCHEDULEDEP = 1.
<LSO_PPVAR>-KLOCATIONDEP = 1.
<LSO_PPVAR>-KTFORMTYPE = 1.
<LSO_PPVAR>-KTFORMID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LSO_PPVAR-KTFORMTXT, sy-vline,
  WA_LSO_PPVAR-KDEALEND, sy-vline,
  WA_LSO_PPVAR-KMAXACCESS, sy-vline,
  WA_LSO_PPVAR-KCURRELTFORMSHT, sy-vline,
  WA_LSO_PPVAR-KCURRELSHT, sy-vline,
  WA_LSO_PPVAR-DTFORMID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LSO_PPVAR 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_LSO_PPVAR 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_LSO_PPVAR INTO WA_LSO_PPVAR.


*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.

*Conversion exit ALPHA, internal->external for field PARTDOCNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LSO_PPVAR-PARTDOCNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LSO_PPVAR-PARTDOCNO.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_LSO_PPVAR_STR, 
BUSTRANTYPE TYPE STRING,
KSCHEDULEDEP TYPE STRING,
KLOCATIONDEP TYPE STRING,
KTFORMTYPE TYPE STRING,
KTFORMID TYPE STRING,
KTFORMTXT TYPE STRING,
KDEALEND TYPE STRING,
KMAXACCESS TYPE STRING,
KCURRELTFORMSHT TYPE STRING,
KCURRELSHT TYPE STRING,
DTFORMID TYPE STRING,
DTFORMTXT TYPE STRING,
PARTBEGDA TYPE STRING,
PARTENDDA TYPE STRING,
PARTDOCNO TYPE STRING,
PARTREFCURRTXT TYPE STRING,
CLERKSHT TYPE STRING,
CLERKTELN TYPE STRING,
CLERKFAXN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LSO_PPVAR_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_LSO_PPVAR_STR-BUSTRANTYPE sy-vline 
WA_LSO_PPVAR_STR-KSCHEDULEDEP sy-vline 
WA_LSO_PPVAR_STR-KLOCATIONDEP sy-vline 
WA_LSO_PPVAR_STR-KTFORMTYPE sy-vline 
WA_LSO_PPVAR_STR-KTFORMID sy-vline 
WA_LSO_PPVAR_STR-KTFORMTXT sy-vline 
WA_LSO_PPVAR_STR-KDEALEND sy-vline 
WA_LSO_PPVAR_STR-KMAXACCESS sy-vline 
WA_LSO_PPVAR_STR-KCURRELTFORMSHT sy-vline 
WA_LSO_PPVAR_STR-KCURRELSHT sy-vline 
WA_LSO_PPVAR_STR-DTFORMID sy-vline 
WA_LSO_PPVAR_STR-DTFORMTXT sy-vline 
WA_LSO_PPVAR_STR-PARTBEGDA sy-vline 
WA_LSO_PPVAR_STR-PARTENDDA sy-vline 
WA_LSO_PPVAR_STR-PARTDOCNO sy-vline 
WA_LSO_PPVAR_STR-PARTREFCURRTXT sy-vline 
WA_LSO_PPVAR_STR-CLERKSHT sy-vline 
WA_LSO_PPVAR_STR-CLERKTELN sy-vline 
WA_LSO_PPVAR_STR-CLERKFAXN sy-vline      INTO ld_text SEPARATED BY SPACE.

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