ABAP Select data from SAP table CFCCCLHISTQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFCCCLHISTQ
*  INTO TABLE @DATA(IT_CFCCCLHISTQ2).
*--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_CFCCCLHISTQ INDEX 1 INTO DATA(WA_CFCCCLHISTQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFCCCLHISTQ>-MANDT = 1.
<CFCCCLHISTQ>-CLOSINGTEMPLATE = 1.
<CFCCCLHISTQ>-CLOSINGTASKLISTINSTANCE = 1.
<CFCCCLHISTQ>-CLOSINGTASK = 1.
<CFCCCLHISTQ>-CLOSINGTASKSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFCCCLHISTQ-CLOSINGTASKSTATUSCHANGEDATE, sy-vline,
  WA_CFCCCLHISTQ-CLOSINGTASKSTATUSCHANGETIME, sy-vline,
  WA_CFCCCLHISTQ-CLSGTASKSTATUSCHANGEDBYUSER, sy-vline,
  WA_CFCCCLHISTQ-CLSGTASKSTATUSCHGREASONDESC, sy-vline,
  WA_CFCCCLHISTQ-CLSGTASKSTATUSISCHGDMANUALLY, sy-vline,
  WA_CFCCCLHISTQ-CLOSINGTASKTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFCCCLHISTQ 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_CFCCCLHISTQ 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_CFCCCLHISTQ INTO WA_CFCCCLHISTQ.


*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 GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CFCCCLHISTQ-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFCCCLHISTQ-FISCALYEAR.
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_CFCCCLHISTQ_STR, 
MANDT TYPE STRING,
CLOSINGTEMPLATE TYPE STRING,
CLOSINGTASKLISTINSTANCE TYPE STRING,
CLOSINGTASK TYPE STRING,
CLOSINGTASKSTATUS TYPE STRING,
CLOSINGTASKSTATUSCHANGEDATE TYPE STRING,
CLOSINGTASKSTATUSCHANGETIME TYPE STRING,
CLSGTASKSTATUSCHANGEDBYUSER TYPE STRING,
CLSGTASKSTATUSCHGREASONDESC TYPE STRING,
CLSGTASKSTATUSISCHGDMANUALLY TYPE STRING,
CLOSINGTASKTYPE TYPE STRING,
CLOSINGTASKNAME TYPE STRING,
ISCRITICALPATH TYPE STRING,
CLOSINGTASKPROCESSOR TYPE STRING,
CLOSINGTASKPROCESSORTYPE TYPE STRING,
CLOSINGTASKRESPONSIBLE TYPE STRING,
CLOSINGTASKRESPONSIBLETYPE TYPE STRING,
CLOSINGTASKGLOBALID TYPE STRING,
CUSTOMDIMENSION1 TYPE STRING,
CUSTOMDIMENSION2 TYPE STRING,
CUSTOMDIMENSION3 TYPE STRING,
CLOSINGMILESTONE TYPE STRING,
CLOSINGPHASE TYPE STRING,
KEYDATE TYPE STRING,
CLOSINGAUTHORIZATIONGROUP TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
PLANNEDDURATIONINHOURS TYPE STRING,
ACTUALPLANDEVIATIONHOURS TYPE STRING,
ACTUALPLANDEVIATIONPERCENT TYPE STRING,
NUMBEROFCLOSINGTASKS TYPE STRING,
ACTUALDURATIONINHOURS TYPE STRING,
PLANNEDSTARTDATE TYPE STRING,
PLANNEDENDDATE TYPE STRING,
PLANNEDSTARTTIME TYPE STRING,
PLANNEDENDTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFCCCLHISTQ_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_CFCCCLHISTQ_STR-MANDT sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTEMPLATE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKLISTINSTANCE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASK sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKSTATUS sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKSTATUSCHANGEDATE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKSTATUSCHANGETIME sy-vline 
WA_CFCCCLHISTQ_STR-CLSGTASKSTATUSCHANGEDBYUSER sy-vline 
WA_CFCCCLHISTQ_STR-CLSGTASKSTATUSCHGREASONDESC sy-vline 
WA_CFCCCLHISTQ_STR-CLSGTASKSTATUSISCHGDMANUALLY sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKTYPE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKNAME sy-vline 
WA_CFCCCLHISTQ_STR-ISCRITICALPATH sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKPROCESSOR sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKPROCESSORTYPE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKRESPONSIBLE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKRESPONSIBLETYPE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGTASKGLOBALID sy-vline 
WA_CFCCCLHISTQ_STR-CUSTOMDIMENSION1 sy-vline 
WA_CFCCCLHISTQ_STR-CUSTOMDIMENSION2 sy-vline 
WA_CFCCCLHISTQ_STR-CUSTOMDIMENSION3 sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGMILESTONE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGPHASE sy-vline 
WA_CFCCCLHISTQ_STR-KEYDATE sy-vline 
WA_CFCCCLHISTQ_STR-CLOSINGAUTHORIZATIONGROUP sy-vline 
WA_CFCCCLHISTQ_STR-FISCALYEAR sy-vline 
WA_CFCCCLHISTQ_STR-FISCALYEARPERIOD sy-vline 
WA_CFCCCLHISTQ_STR-PLANNEDDURATIONINHOURS sy-vline 
WA_CFCCCLHISTQ_STR-ACTUALPLANDEVIATIONHOURS sy-vline 
WA_CFCCCLHISTQ_STR-ACTUALPLANDEVIATIONPERCENT sy-vline 
WA_CFCCCLHISTQ_STR-NUMBEROFCLOSINGTASKS sy-vline 
WA_CFCCCLHISTQ_STR-ACTUALDURATIONINHOURS sy-vline 
WA_CFCCCLHISTQ_STR-PLANNEDSTARTDATE sy-vline 
WA_CFCCCLHISTQ_STR-PLANNEDENDDATE sy-vline 
WA_CFCCCLHISTQ_STR-PLANNEDSTARTTIME sy-vline 
WA_CFCCCLHISTQ_STR-PLANNEDENDTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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