ABAP Select data from SAP table PSALESVIEWFS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSALESVIEWFS
*  INTO TABLE @DATA(IT_PSALESVIEWFS2).
*--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_PSALESVIEWFS INDEX 1 INTO DATA(WA_PSALESVIEWFS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSALESVIEWFS>-MANDT = 1.
<PSALESVIEWFS>-PRODUCT = 1.
<PSALESVIEWFS>-VALUATIONAREA = 1.
<PSALESVIEWFS>-VALUATIONTYPE = 1.
<PSALESVIEWFS>-MOVINGAVERAGEPRICE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSALESVIEWFS-PRICEUNITQTY, sy-vline,
  WA_PSALESVIEWFS-INVENTORYVALUATIONPROCEDURE, sy-vline,
  WA_PSALESVIEWFS-STANDARDPRICE, sy-vline,
  WA_PSALESVIEWFS-COMPANYCODE, sy-vline,
  WA_PSALESVIEWFS-CURRENCY, sy-vline,
  WA_PSALESVIEWFS-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSALESVIEWFS 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_PSALESVIEWFS 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_PSALESVIEWFS INTO WA_PSALESVIEWFS.


*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 MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PSALESVIEWFS-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSALESVIEWFS-PRODUCT.
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_PSALESVIEWFS_STR, 
MANDT TYPE STRING,
PRODUCT TYPE STRING,
VALUATIONAREA TYPE STRING,
VALUATIONTYPE TYPE STRING,
MOVINGAVERAGEPRICE TYPE STRING,
PRICEUNITQTY TYPE STRING,
INVENTORYVALUATIONPROCEDURE TYPE STRING,
STANDARDPRICE TYPE STRING,
COMPANYCODE TYPE STRING,
CURRENCY TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
PRICECONTROLTEXT TYPE STRING,
UNITOFMEASURELONGNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSALESVIEWFS_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_PSALESVIEWFS_STR-MANDT sy-vline 
WA_PSALESVIEWFS_STR-PRODUCT sy-vline 
WA_PSALESVIEWFS_STR-VALUATIONAREA sy-vline 
WA_PSALESVIEWFS_STR-VALUATIONTYPE sy-vline 
WA_PSALESVIEWFS_STR-MOVINGAVERAGEPRICE sy-vline 
WA_PSALESVIEWFS_STR-PRICEUNITQTY sy-vline 
WA_PSALESVIEWFS_STR-INVENTORYVALUATIONPROCEDURE sy-vline 
WA_PSALESVIEWFS_STR-STANDARDPRICE sy-vline 
WA_PSALESVIEWFS_STR-COMPANYCODE sy-vline 
WA_PSALESVIEWFS_STR-CURRENCY sy-vline 
WA_PSALESVIEWFS_STR-PLANT sy-vline 
WA_PSALESVIEWFS_STR-PLANTNAME sy-vline 
WA_PSALESVIEWFS_STR-PRICECONTROLTEXT sy-vline 
WA_PSALESVIEWFS_STR-UNITOFMEASURELONGNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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