ABAP Select data from SAP table PRASCHPDCHGTYP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRASCHPDCHGTYP
*  INTO TABLE @DATA(IT_PRASCHPDCHGTYP2).
*--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_PRASCHPDCHGTYP INDEX 1 INTO DATA(WA_PRASCHPDCHGTYP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRASCHPDCHGTYP>-MANDT = 1.
<PRASCHPDCHGTYP>-PERFORMANCEOBLIGATION = 1.
<PRASCHPDCHGTYP>-REVENUEACCOUNTINGCONTRACT = 1.
<PRASCHPDCHGTYP>-FISCALYEAR = 1.
<PRASCHPDCHGTYP>-FISCALPERIOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRASCHPDCHGTYP-FISCALYEARPERIOD, sy-vline,
  WA_PRASCHPDCHGTYP-RELATEDCHANGETYPEITEMPERIOD, sy-vline,
  WA_PRASCHPDCHGTYP-PERFORMANCEOBLIGATIONCLASS, sy-vline,
  WA_PRASCHPDCHGTYP-PERFORMANCEOBLIGATIONSTARTDATE, sy-vline,
  WA_PRASCHPDCHGTYP-PERFORMANCEOBLIGATIONENDDATE, sy-vline,
  WA_PRASCHPDCHGTYP-PERFOBLIGATIONDEFERRALMETHOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRASCHPDCHGTYP 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_PRASCHPDCHGTYP 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_PRASCHPDCHGTYP INTO WA_PRASCHPDCHGTYP.


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

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

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

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

*Conversion exit CUNIT, internal->external for field PERFOBLGNEFFECTIVEQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRASCHPDCHGTYP-PERFOBLGNEFFECTIVEQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRASCHPDCHGTYP-PERFOBLGNEFFECTIVEQUANTITYUNIT.
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_PRASCHPDCHGTYP_STR, 
MANDT TYPE STRING,
PERFORMANCEOBLIGATION TYPE STRING,
REVENUEACCOUNTINGCONTRACT TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
RELATEDCHANGETYPEITEMPERIOD TYPE STRING,
PERFORMANCEOBLIGATIONCLASS TYPE STRING,
PERFORMANCEOBLIGATIONSTARTDATE TYPE STRING,
PERFORMANCEOBLIGATIONENDDATE TYPE STRING,
PERFOBLIGATIONDEFERRALMETHOD TYPE STRING,
RAHIGHERLEVELPERFOBLGN TYPE STRING,
ALLOCATEDPRICEINSALESDOCCRCY TYPE STRING,
CONTRACTUALPRCINSLSDOCCRCY TYPE STRING,
PERFOBLGNFACEAMTINSLSDOCCRCY TYPE STRING,
SSPRICEINSALESDOCCRCY TYPE STRING,
SALESDOCUMENTCURRENCY TYPE STRING,
PERFOBLGNEFFECTIVEQUANTITY TYPE STRING,
PERFOBLGNEFFECTIVEQUANTITYUNIT TYPE STRING,
PERFOBLGNFULFILLMENTTYPE TYPE STRING,
RAPERFOBLGNDISTINCTTYPE TYPE STRING,
PERFOBLGNISSOFTDELETED TYPE STRING,
PERFOBLGNISFINALLYINVOICED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRASCHPDCHGTYP_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_PRASCHPDCHGTYP_STR-MANDT sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFORMANCEOBLIGATION sy-vline 
WA_PRASCHPDCHGTYP_STR-REVENUEACCOUNTINGCONTRACT sy-vline 
WA_PRASCHPDCHGTYP_STR-FISCALYEAR sy-vline 
WA_PRASCHPDCHGTYP_STR-FISCALPERIOD sy-vline 
WA_PRASCHPDCHGTYP_STR-FISCALYEARPERIOD sy-vline 
WA_PRASCHPDCHGTYP_STR-RELATEDCHANGETYPEITEMPERIOD sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFORMANCEOBLIGATIONCLASS sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFORMANCEOBLIGATIONSTARTDATE sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFORMANCEOBLIGATIONENDDATE sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFOBLIGATIONDEFERRALMETHOD sy-vline 
WA_PRASCHPDCHGTYP_STR-RAHIGHERLEVELPERFOBLGN sy-vline 
WA_PRASCHPDCHGTYP_STR-ALLOCATEDPRICEINSALESDOCCRCY sy-vline 
WA_PRASCHPDCHGTYP_STR-CONTRACTUALPRCINSLSDOCCRCY sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFOBLGNFACEAMTINSLSDOCCRCY sy-vline 
WA_PRASCHPDCHGTYP_STR-SSPRICEINSALESDOCCRCY sy-vline 
WA_PRASCHPDCHGTYP_STR-SALESDOCUMENTCURRENCY sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFOBLGNEFFECTIVEQUANTITY sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFOBLGNEFFECTIVEQUANTITYUNIT sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFOBLGNFULFILLMENTTYPE sy-vline 
WA_PRASCHPDCHGTYP_STR-RAPERFOBLGNDISTINCTTYPE sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFOBLGNISSOFTDELETED sy-vline 
WA_PRASCHPDCHGTYP_STR-PERFOBLGNISFINALLYINVOICED sy-vline      INTO ld_text SEPARATED BY SPACE.

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