ABAP Select data from SAP table PSOFAPROCF21 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSOFAPROCF21 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 PSOFAPROCF21. 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 PSOFAPROCF21 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_PSOFAPROCF21 TYPE STANDARD TABLE OF PSOFAPROCF21,
      WA_PSOFAPROCF21 TYPE PSOFAPROCF21,
      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: <PSOFAPROCF21> TYPE PSOFAPROCF21.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PSOFAPROCF21.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSOFAPROCF21
  INTO TABLE IT_PSOFAPROCF21.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSOFAPROCF21
*  INTO TABLE @DATA(IT_PSOFAPROCF212).
*--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_PSOFAPROCF21 INDEX 1 INTO DATA(WA_PSOFAPROCF212).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSOFAPROCF21 ASSIGNING <PSOFAPROCF21>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSOFAPROCF21>-MANDT = 1.
<PSOFAPROCF21>-SALESDOCUMENT = 1.
<PSOFAPROCF21>-SDDOCUMENTCATEGORY = 1.
<PSOFAPROCF21>-LEVEL1DOCUMENT = 1.
<PSOFAPROCF21>-LEVEL1DOCUMENTCATEGORY = 1.

ENDLOOP.

LOOP AT IT_PSOFAPROCF21 INTO WA_PSOFAPROCF21.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSOFAPROCF21-ACCOUNTINGDOCUMENT, sy-vline,
  WA_PSOFAPROCF21-COMPANYCODE, sy-vline,
  WA_PSOFAPROCF21-FISCALYEAR, sy-vline,
  WA_PSOFAPROCF21-SALESDOCUMENTTYPE, sy-vline,
  WA_PSOFAPROCF21-SALESORGANIZATION, sy-vline,
  WA_PSOFAPROCF21-DISTRIBUTIONCHANNEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSOFAPROCF21 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_PSOFAPROCF21 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_PSOFAPROCF21 INTO WA_PSOFAPROCF21.


*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 SALESDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSOFAPROCF21-SALESDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSOFAPROCF21-SALESDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LEVEL1DOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSOFAPROCF21-LEVEL1DOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSOFAPROCF21-LEVEL1DOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSOFAPROCF21-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSOFAPROCF21-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSOFAPROCF21-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSOFAPROCF21-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field SALESDOCUMENTTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_PSOFAPROCF21-SALESDOCUMENTTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSOFAPROCF21-SALESDOCUMENTTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSOFAPROCF21-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSOFAPROCF21-SOLDTOPARTY.
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_PSOFAPROCF21_STR, 
MANDT TYPE STRING,
SALESDOCUMENT TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
LEVEL1DOCUMENT TYPE STRING,
LEVEL1DOCUMENTCATEGORY TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
SALESDOCUMENTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
OVERALLSDPROCESSSTATUS TYPE STRING,
OVERALLTOTALDELIVERYSTATUS TYPE STRING,
OVERALLORDRELTDBILLGSTATUS TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
SALESDOCUMENTDATE TYPE STRING,
SALESGROUP TYPE STRING,
SALESOFFICE TYPE STRING,
SOLDTOPARTY TYPE STRING,
PURCHASEORDERBYCUSTOMER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSOFAPROCF21_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_PSOFAPROCF21_STR-MANDT sy-vline 
WA_PSOFAPROCF21_STR-SALESDOCUMENT sy-vline 
WA_PSOFAPROCF21_STR-SDDOCUMENTCATEGORY sy-vline 
WA_PSOFAPROCF21_STR-LEVEL1DOCUMENT sy-vline 
WA_PSOFAPROCF21_STR-LEVEL1DOCUMENTCATEGORY sy-vline 
WA_PSOFAPROCF21_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PSOFAPROCF21_STR-COMPANYCODE sy-vline 
WA_PSOFAPROCF21_STR-FISCALYEAR sy-vline 
WA_PSOFAPROCF21_STR-SALESDOCUMENTTYPE sy-vline 
WA_PSOFAPROCF21_STR-SALESORGANIZATION sy-vline 
WA_PSOFAPROCF21_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PSOFAPROCF21_STR-ORGANIZATIONDIVISION sy-vline 
WA_PSOFAPROCF21_STR-OVERALLSDPROCESSSTATUS sy-vline 
WA_PSOFAPROCF21_STR-OVERALLTOTALDELIVERYSTATUS sy-vline 
WA_PSOFAPROCF21_STR-OVERALLORDRELTDBILLGSTATUS sy-vline 
WA_PSOFAPROCF21_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_PSOFAPROCF21_STR-SALESDOCUMENTDATE sy-vline 
WA_PSOFAPROCF21_STR-SALESGROUP sy-vline 
WA_PSOFAPROCF21_STR-SALESOFFICE sy-vline 
WA_PSOFAPROCF21_STR-SOLDTOPARTY sy-vline 
WA_PSOFAPROCF21_STR-PURCHASEORDERBYCUSTOMER sy-vline      INTO ld_text SEPARATED BY SPACE.

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