ABAP Select data from SAP table ALLOCCYCLETPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALLOCCYCLETPD
*  INTO TABLE @DATA(IT_ALLOCCYCLETPD2).
*--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_ALLOCCYCLETPD INDEX 1 INTO DATA(WA_ALLOCCYCLETPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALLOCCYCLETPD>-MANDT = 1.
<ALLOCCYCLETPD>-DRAFTUUID = 1.
<ALLOCCYCLETPD>-ALLOCATIONTYPE = 1.
<ALLOCCYCLETPD>-ALLOCATIONCYCLE = 1.
<ALLOCCYCLETPD>-ALLOCATIONCYCLESTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALLOCCYCLETPD-ALLOCATIONCYCLEENDDATE, sy-vline,
  WA_ALLOCCYCLETPD-ALLOCATIONCYCLENAMETEXT, sy-vline,
  WA_ALLOCCYCLETPD-ALLOCATIONSTATUS, sy-vline,
  WA_ALLOCCYCLETPD-ALLOCATIONFREQUENCY, sy-vline,
  WA_ALLOCCYCLETPD-ALLOCATIONCREATEDATE, sy-vline,
  WA_ALLOCCYCLETPD-CREATEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALLOCCYCLETPD 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_ALLOCCYCLETPD 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_ALLOCCYCLETPD INTO WA_ALLOCCYCLETPD.


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

*Conversion exit ALPHA, internal->external for field ALLOCATIONCYCLECATEGORYFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ALLOCCYCLETPD-ALLOCATIONCYCLECATEGORYFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALLOCCYCLETPD-ALLOCATIONCYCLECATEGORYFOREDIT.
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_ALLOCCYCLETPD_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
ALLOCATIONTYPE TYPE STRING,
ALLOCATIONCYCLE TYPE STRING,
ALLOCATIONCYCLESTARTDATE TYPE STRING,
ALLOCATIONCYCLEENDDATE TYPE STRING,
ALLOCATIONCYCLENAMETEXT TYPE STRING,
ALLOCATIONSTATUS TYPE STRING,
ALLOCATIONFREQUENCY TYPE STRING,
ALLOCATIONCREATEDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGETIME TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
ALLOCATIONLASTEXECUTEDDATE TYPE STRING,
ALLOCATIONLASTEXECUTEDBYUSER TYPE STRING,
ALLOCATIONLASTEXECUTIONTIME TYPE STRING,
ALLOCLASTEXECUTIONDATETIME TYPE STRING,
ALLOCATIONISPROCESSED TYPE STRING,
ALLOCATIONCYCLESET TYPE STRING,
SCALENEGATIVETRACINGFACTOR TYPE STRING,
ALLOCATIONPOSTINGTYPE TYPE STRING,
ALLOCATIONACTUALPLANVARIANT TYPE STRING,
ALLOCATIONJOB TYPE STRING,
ALLOCATIONISCUMULATIVE TYPE STRING,
ALLOCISCUMULATIVEOPTIMIZED TYPE STRING,
ALLOCHASAGGREGATEDPROCESS TYPE STRING,
ALLOCATIONCYCLERUNGROUP TYPE STRING,
ALLOCATIONSUBSTITUTIONNAME TYPE STRING,
ALLOCFUNDMGMTISACTIVE TYPE STRING,
ALLOCATIONISBALANCESHEETACTIVE TYPE STRING,
ALLOCHASDERIVDFUNDFRMRCPNT TYPE STRING,
ALLOCISDERIVDFUNCAREAFRMRCPNT TYPE STRING,
ALLOCISDERIVDGRANTFRMRCPNT TYPE STRING,
ALLOCISDERIVDBUDGEDPERDRCPNT TYPE STRING,
ALLOCATIONLEDGERGROUP TYPE STRING,
ALLOCATIONISPERIODSHIFTACTIVE TYPE STRING,
ALLOCATIONPERIODDELTASIZE TYPE STRING,
ALLOCISPRODNMNTHDERIVD TYPE STRING,
ALLOCATIONISVARIABLEQUANTITY TYPE STRING,
ALLOCATIONVALUATIONTYPE TYPE STRING,
ALLOCATIONCYCLEISITERATIVE TYPE STRING,
COMPANYCODEFOREDIT TYPE STRING,
LEDGERFOREDIT TYPE STRING,
ALLOCATIONCYCLECATEGORYFOREDIT TYPE STRING,
ALLOCATIONCYCLEISCONSISTENT TYPE STRING,
ALLOCATIONTAGID TYPE STRING,
CYCLEISPARALLELLEDGERENABLED TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALLOCCYCLETPD_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_ALLOCCYCLETPD_STR-MANDT sy-vline 
WA_ALLOCCYCLETPD_STR-DRAFTUUID sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONTYPE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLESTARTDATE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLEENDDATE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLENAMETEXT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONSTATUS sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONFREQUENCY sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCREATEDATE sy-vline 
WA_ALLOCCYCLETPD_STR-CREATEDBYUSER sy-vline 
WA_ALLOCCYCLETPD_STR-LASTCHANGETIME sy-vline 
WA_ALLOCCYCLETPD_STR-LASTCHANGEDATE sy-vline 
WA_ALLOCCYCLETPD_STR-LASTCHANGEDBYUSER sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONLASTEXECUTEDDATE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONLASTEXECUTEDBYUSER sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONLASTEXECUTIONTIME sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCLASTEXECUTIONDATETIME sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONISPROCESSED sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLESET sy-vline 
WA_ALLOCCYCLETPD_STR-SCALENEGATIVETRACINGFACTOR sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONPOSTINGTYPE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONACTUALPLANVARIANT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONJOB sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONISCUMULATIVE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCISCUMULATIVEOPTIMIZED sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCHASAGGREGATEDPROCESS sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLERUNGROUP sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONSUBSTITUTIONNAME sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCFUNDMGMTISACTIVE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONISBALANCESHEETACTIVE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCHASDERIVDFUNDFRMRCPNT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCISDERIVDFUNCAREAFRMRCPNT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCISDERIVDGRANTFRMRCPNT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCISDERIVDBUDGEDPERDRCPNT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONLEDGERGROUP sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONISPERIODSHIFTACTIVE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONPERIODDELTASIZE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCISPRODNMNTHDERIVD sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONISVARIABLEQUANTITY sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONVALUATIONTYPE sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLEISITERATIVE sy-vline 
WA_ALLOCCYCLETPD_STR-COMPANYCODEFOREDIT sy-vline 
WA_ALLOCCYCLETPD_STR-LEDGERFOREDIT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLECATEGORYFOREDIT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONCYCLEISCONSISTENT sy-vline 
WA_ALLOCCYCLETPD_STR-ALLOCATIONTAGID sy-vline 
WA_ALLOCCYCLETPD_STR-CYCLEISPARALLELLEDGERENABLED sy-vline 
WA_ALLOCCYCLETPD_STR-HASACTIVEENTITY sy-vline 
WA_ALLOCCYCLETPD_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ALLOCCYCLETPD_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ALLOCCYCLETPD_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ALLOCCYCLETPD_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ALLOCCYCLETPD_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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