ABAP Select data from SAP table PRAEFFCTYPEHIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRAEFFCTYPEHIS
*  INTO TABLE @DATA(IT_PRAEFFCTYPEHIS2).
*--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_PRAEFFCTYPEHIS INDEX 1 INTO DATA(WA_PRAEFFCTYPEHIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRAEFFCTYPEHIS>-MANDT = 1.
<PRAEFFCTYPEHIS>-PERFORMANCEOBLIGATION = 1.
<PRAEFFCTYPEHIS>-REVNACCTGCONTRCHANGEEFFCTVDATE = 1.
<PRAEFFCTYPEHIS>-REVENUEACCOUNTINGCONTRACT = 1.
<PRAEFFCTYPEHIS>-REVNACCTGRECONCILIATIONKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRAEFFCTYPEHIS-PERFORMANCEOBLIGATIONCLASS, sy-vline,
  WA_PRAEFFCTYPEHIS-RAPERFOBLGNDISTINCTTYPE, sy-vline,
  WA_PRAEFFCTYPEHIS-RAHIGHERLEVELPERFOBLGN, sy-vline,
  WA_PRAEFFCTYPEHIS-RAPERFOBLGNCHANGETYPE, sy-vline,
  WA_PRAEFFCTYPEHIS-FISCALYEARPERIOD, sy-vline,
  WA_PRAEFFCTYPEHIS-RAPERFORMANCEOBLIGATIONTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRAEFFCTYPEHIS 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_PRAEFFCTYPEHIS 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_PRAEFFCTYPEHIS INTO WA_PRAEFFCTYPEHIS.


*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_PRAEFFCTYPEHIS-PERFORMANCEOBLIGATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRAEFFCTYPEHIS-PERFORMANCEOBLIGATION.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field PERFOBLGNCONTRACTUALQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRAEFFCTYPEHIS-PERFOBLGNCONTRACTUALQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRAEFFCTYPEHIS-PERFOBLGNCONTRACTUALQTYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PERFOBLGNEFFECTIVEQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PRAEFFCTYPEHIS-PERFOBLGNEFFECTIVEQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRAEFFCTYPEHIS-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_PRAEFFCTYPEHIS_STR, 
MANDT TYPE STRING,
PERFORMANCEOBLIGATION TYPE STRING,
REVNACCTGCONTRCHANGEEFFCTVDATE TYPE STRING,
REVENUEACCOUNTINGCONTRACT TYPE STRING,
REVNACCTGRECONCILIATIONKEY TYPE STRING,
PERFORMANCEOBLIGATIONCLASS TYPE STRING,
RAPERFOBLGNDISTINCTTYPE TYPE STRING,
RAHIGHERLEVELPERFOBLGN TYPE STRING,
RAPERFOBLGNCHANGETYPE TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
RAPERFORMANCEOBLIGATIONTYPE TYPE STRING,
SSPRICEINSALESDOCCRCY TYPE STRING,
SSPRICETOLERANCEPERCENT TYPE STRING,
SSPRICETOLERANCEAMOUNT TYPE STRING,
ALLOCATEDPRICEINSALESDOCCRCY TYPE STRING,
CONTRACTUALPRCINSLSDOCCRCY TYPE STRING,
OPLCONTRACTUALPRCINSLSDOCCRCY TYPE STRING,
PERFOBLGNFACEAMTINSLSDOCCRCY TYPE STRING,
SALESDOCUMENTCURRENCY TYPE STRING,
PERFORMANCEOBLIGATIONSTARTDATE TYPE STRING,
PERFORMANCEOBLIGATIONENDDATE TYPE STRING,
PERFOBLGNFULFILLMENTTYPE TYPE STRING,
PERFOBLIGATIONDEFERRALMETHOD TYPE STRING,
PERFOBLGNCONTRACTUALQUANTITY TYPE STRING,
PERFOBLGNCONTRACTUALQTYUNIT TYPE STRING,
PERFOBLGNEFFECTIVEQUANTITY TYPE STRING,
PERFOBLGNEFFECTIVEQUANTITYUNIT TYPE STRING,
RAPERFOBLGNISRESIDUAL TYPE STRING,
PERFOBLGNISEXCLFROMPRICEALLOC TYPE STRING,
RACONTRACTISMANUALLYALLOCATED TYPE STRING,
PERFOBLGNISFINALLYINVOICED TYPE STRING,
PERFOBLGNISSOFTDELETED TYPE STRING,
RAPERFOBLGNFINALIZATIONDATE TYPE STRING,
RABUSINESSCHANGEREASON TYPE STRING,
RACHANGETYPECHANGEDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRAEFFCTYPEHIS_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_PRAEFFCTYPEHIS_STR-MANDT sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFORMANCEOBLIGATION sy-vline 
WA_PRAEFFCTYPEHIS_STR-REVNACCTGCONTRCHANGEEFFCTVDATE sy-vline 
WA_PRAEFFCTYPEHIS_STR-REVENUEACCOUNTINGCONTRACT sy-vline 
WA_PRAEFFCTYPEHIS_STR-REVNACCTGRECONCILIATIONKEY sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFORMANCEOBLIGATIONCLASS sy-vline 
WA_PRAEFFCTYPEHIS_STR-RAPERFOBLGNDISTINCTTYPE sy-vline 
WA_PRAEFFCTYPEHIS_STR-RAHIGHERLEVELPERFOBLGN sy-vline 
WA_PRAEFFCTYPEHIS_STR-RAPERFOBLGNCHANGETYPE sy-vline 
WA_PRAEFFCTYPEHIS_STR-FISCALYEARPERIOD sy-vline 
WA_PRAEFFCTYPEHIS_STR-RAPERFORMANCEOBLIGATIONTYPE sy-vline 
WA_PRAEFFCTYPEHIS_STR-SSPRICEINSALESDOCCRCY sy-vline 
WA_PRAEFFCTYPEHIS_STR-SSPRICETOLERANCEPERCENT sy-vline 
WA_PRAEFFCTYPEHIS_STR-SSPRICETOLERANCEAMOUNT sy-vline 
WA_PRAEFFCTYPEHIS_STR-ALLOCATEDPRICEINSALESDOCCRCY sy-vline 
WA_PRAEFFCTYPEHIS_STR-CONTRACTUALPRCINSLSDOCCRCY sy-vline 
WA_PRAEFFCTYPEHIS_STR-OPLCONTRACTUALPRCINSLSDOCCRCY sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNFACEAMTINSLSDOCCRCY sy-vline 
WA_PRAEFFCTYPEHIS_STR-SALESDOCUMENTCURRENCY sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFORMANCEOBLIGATIONSTARTDATE sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFORMANCEOBLIGATIONENDDATE sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNFULFILLMENTTYPE sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLIGATIONDEFERRALMETHOD sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNCONTRACTUALQUANTITY sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNCONTRACTUALQTYUNIT sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNEFFECTIVEQUANTITY sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNEFFECTIVEQUANTITYUNIT sy-vline 
WA_PRAEFFCTYPEHIS_STR-RAPERFOBLGNISRESIDUAL sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNISEXCLFROMPRICEALLOC sy-vline 
WA_PRAEFFCTYPEHIS_STR-RACONTRACTISMANUALLYALLOCATED sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNISFINALLYINVOICED sy-vline 
WA_PRAEFFCTYPEHIS_STR-PERFOBLGNISSOFTDELETED sy-vline 
WA_PRAEFFCTYPEHIS_STR-RAPERFOBLGNFINALIZATIONDATE sy-vline 
WA_PRAEFFCTYPEHIS_STR-RABUSINESSCHANGEREASON sy-vline 
WA_PRAEFFCTYPEHIS_STR-RACHANGETYPECHANGEDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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