ABAP Select data from SAP table CALLOCCYCLE into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CALLOCCYCLE 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 CALLOCCYCLE. 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 CALLOCCYCLE 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_CALLOCCYCLE TYPE STANDARD TABLE OF CALLOCCYCLE,
      WA_CALLOCCYCLE TYPE CALLOCCYCLE,
      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: <CALLOCCYCLE> TYPE CALLOCCYCLE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CALLOCCYCLE
*  INTO TABLE @DATA(IT_CALLOCCYCLE2).
*--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_CALLOCCYCLE INDEX 1 INTO DATA(WA_CALLOCCYCLE2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CALLOCCYCLE-ALLOCATIONCYCLENAMETEXT, sy-vline,
  WA_CALLOCCYCLE-ALLOCATIONCYCLEENDDATE, sy-vline,
  WA_CALLOCCYCLE-ALLOCATIONSTATUSDESCRIPTION, sy-vline,
  WA_CALLOCCYCLE-CRITICALITYCODE, sy-vline,
  WA_CALLOCCYCLE-ALLOCATIONSTATUS, sy-vline,
  WA_CALLOCCYCLE-ALLOCATIONFREQUENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CALLOCCYCLE 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_CALLOCCYCLE 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_CALLOCCYCLE INTO WA_CALLOCCYCLE.


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

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

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

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

*Conversion exit ALPHA, internal->external for field ALLOCATIONCOSTELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CALLOCCYCLE-ALLOCATIONCOSTELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CALLOCCYCLE-ALLOCATIONCOSTELEMENT.
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_CALLOCCYCLE_STR, 
MANDT TYPE STRING,
ALLOCATIONTYPE TYPE STRING,
ALLOCATIONCYCLE TYPE STRING,
ALLOCATIONCYCLESTARTDATE TYPE STRING,
ALLOCATIONCYCLENAME TYPE STRING,
ALLOCATIONCYCLENAMETEXT TYPE STRING,
ALLOCATIONCYCLEENDDATE TYPE STRING,
ALLOCATIONSTATUSDESCRIPTION TYPE STRING,
CRITICALITYCODE TYPE STRING,
ALLOCATIONSTATUS TYPE STRING,
ALLOCATIONFREQUENCY TYPE STRING,
ALLOCATIONCREATEDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERNAME TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDBYUSERNAME TYPE STRING,
ALLOCATIONLASTEXECUTEDDATE TYPE STRING,
ALLOCATIONLASTEXECUTEDBYUSER TYPE STRING,
ALLOCLASTEXECUTEDBYUSERNAME TYPE STRING,
ALLOCATIONLASTEXECUTIONTIME TYPE STRING,
ALLOCATIONISPROCESSED TYPE STRING,
ALLOCATIONCYCLESET TYPE STRING,
SCALENEGATIVETRACINGFACTOR TYPE STRING,
ALLOCATIONPOSTINGTYPE TYPE STRING,
ALLOCATIONPOSTINGTYPETEXT TYPE STRING,
ALLOCATIONACTUALPLANVARIANT TYPE STRING,
ALLOCACTUALPLANVARIANTTEXT TYPE STRING,
ALLOCATIONCONTEXTTYPETEXT 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,
COMPANYCODE TYPE STRING,
COMPANYCODEFOREDIT TYPE STRING,
COMPANYCODENAME TYPE STRING,
LEDGER TYPE STRING,
LEDGERNAME TYPE STRING,
LEDGERFOREDIT TYPE STRING,
ALLOCATIONCYCLECATEGORY TYPE STRING,
ALLOCATIONCYCLECATEGORYFOREDIT TYPE STRING,
ALLOCATIONCOSTELEMENT TYPE STRING,
TOPDWNDISTRTMPLNAME TYPE STRING,
ALLOCATIONCYCLEISCONSISTENT TYPE STRING,
ALLOCCYCLEISCONSISTENTTEXT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
MANIPULATIONRULEISAVAILABLE TYPE STRING,
ALLOCATIONTAGID TYPE STRING,
ALLOCATIONCYCLEISITERATIVE TYPE STRING,
CYCLEISPARALLELLEDGERENABLED TYPE STRING,
NOTETEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CALLOCCYCLE_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_CALLOCCYCLE_STR-MANDT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONTYPE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLESTARTDATE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLENAME sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLENAMETEXT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLEENDDATE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONSTATUSDESCRIPTION sy-vline 
WA_CALLOCCYCLE_STR-CRITICALITYCODE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONSTATUS sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONFREQUENCY sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCREATEDATE sy-vline 
WA_CALLOCCYCLE_STR-CREATEDBYUSER sy-vline 
WA_CALLOCCYCLE_STR-CREATEDBYUSERNAME sy-vline 
WA_CALLOCCYCLE_STR-LASTCHANGEDATE sy-vline 
WA_CALLOCCYCLE_STR-LASTCHANGEDBYUSER sy-vline 
WA_CALLOCCYCLE_STR-LASTCHANGEDBYUSERNAME sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONLASTEXECUTEDDATE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONLASTEXECUTEDBYUSER sy-vline 
WA_CALLOCCYCLE_STR-ALLOCLASTEXECUTEDBYUSERNAME sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONLASTEXECUTIONTIME sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONISPROCESSED sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLESET sy-vline 
WA_CALLOCCYCLE_STR-SCALENEGATIVETRACINGFACTOR sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONPOSTINGTYPE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONPOSTINGTYPETEXT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONACTUALPLANVARIANT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCACTUALPLANVARIANTTEXT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCONTEXTTYPETEXT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONJOB sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONISCUMULATIVE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCISCUMULATIVEOPTIMIZED sy-vline 
WA_CALLOCCYCLE_STR-ALLOCHASAGGREGATEDPROCESS sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLERUNGROUP sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONSUBSTITUTIONNAME sy-vline 
WA_CALLOCCYCLE_STR-ALLOCFUNDMGMTISACTIVE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONISBALANCESHEETACTIVE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCHASDERIVDFUNDFRMRCPNT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCISDERIVDFUNCAREAFRMRCPNT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCISDERIVDGRANTFRMRCPNT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCISDERIVDBUDGEDPERDRCPNT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONLEDGERGROUP sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONISPERIODSHIFTACTIVE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONPERIODDELTASIZE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCISPRODNMNTHDERIVD sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONISVARIABLEQUANTITY sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONVALUATIONTYPE sy-vline 
WA_CALLOCCYCLE_STR-COMPANYCODE sy-vline 
WA_CALLOCCYCLE_STR-COMPANYCODEFOREDIT sy-vline 
WA_CALLOCCYCLE_STR-COMPANYCODENAME sy-vline 
WA_CALLOCCYCLE_STR-LEDGER sy-vline 
WA_CALLOCCYCLE_STR-LEDGERNAME sy-vline 
WA_CALLOCCYCLE_STR-LEDGERFOREDIT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLECATEGORY sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLECATEGORYFOREDIT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCOSTELEMENT sy-vline 
WA_CALLOCCYCLE_STR-TOPDWNDISTRTMPLNAME sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLEISCONSISTENT sy-vline 
WA_CALLOCCYCLE_STR-ALLOCCYCLEISCONSISTENTTEXT sy-vline 
WA_CALLOCCYCLE_STR-CONTROLLINGAREA sy-vline 
WA_CALLOCCYCLE_STR-MANIPULATIONRULEISAVAILABLE sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONTAGID sy-vline 
WA_CALLOCCYCLE_STR-ALLOCATIONCYCLEISITERATIVE sy-vline 
WA_CALLOCCYCLE_STR-CYCLEISPARALLELLEDGERENABLED sy-vline 
WA_CALLOCCYCLE_STR-NOTETEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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