ABAP Select data from SAP table PFCTRYCLNDRDATE2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFCTRYCLNDRDATE2 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 PFCTRYCLNDRDATE2. 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 PFCTRYCLNDRDATE2 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_PFCTRYCLNDRDATE2 TYPE STANDARD TABLE OF PFCTRYCLNDRDATE2,
      WA_PFCTRYCLNDRDATE2 TYPE PFCTRYCLNDRDATE2,
      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: <PFCTRYCLNDRDATE2> TYPE PFCTRYCLNDRDATE2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PFCTRYCLNDRDATE2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PFCTRYCLNDRDATE2
  INTO TABLE IT_PFCTRYCLNDRDATE2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFCTRYCLNDRDATE2
*  INTO TABLE @DATA(IT_PFCTRYCLNDRDATE22).
*--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_PFCTRYCLNDRDATE2 INDEX 1 INTO DATA(WA_PFCTRYCLNDRDATE22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PFCTRYCLNDRDATE2 ASSIGNING <PFCTRYCLNDRDATE2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFCTRYCLNDRDATE2>-CALENDARYEAR = 1.
<PFCTRYCLNDRDATE2>-CALENDARMONTH = 1.
<PFCTRYCLNDRDATE2>-CALENDARWEEK = 1.
<PFCTRYCLNDRDATE2>-CALENDARQUARTER = 1.
<PFCTRYCLNDRDATE2>-YEARQUARTER = 1.

ENDLOOP.

LOOP AT IT_PFCTRYCLNDRDATE2 INTO WA_PFCTRYCLNDRDATE2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFCTRYCLNDRDATE2-YEARMONTH, sy-vline,
  WA_PFCTRYCLNDRDATE2-YEARWEEK, sy-vline,
  WA_PFCTRYCLNDRDATE2-CALENDARDATE, sy-vline,
  WA_PFCTRYCLNDRDATE2-CALENDARDAY, sy-vline,
  WA_PFCTRYCLNDRDATE2-WEEKDAY, sy-vline,
  WA_PFCTRYCLNDRDATE2-IDENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFCTRYCLNDRDATE2 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_PFCTRYCLNDRDATE2 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_PFCTRYCLNDRDATE2 INTO WA_PFCTRYCLNDRDATE2.


*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 JAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFCTRYCLNDRDATE2-JAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFCTRYCLNDRDATE2-JAHR.
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_PFCTRYCLNDRDATE2_STR, 
CALENDARYEAR TYPE STRING,
CALENDARMONTH TYPE STRING,
CALENDARWEEK TYPE STRING,
CALENDARQUARTER TYPE STRING,
YEARQUARTER TYPE STRING,
YEARMONTH TYPE STRING,
YEARWEEK TYPE STRING,
CALENDARDATE TYPE STRING,
CALENDARDAY TYPE STRING,
WEEKDAY TYPE STRING,
IDENT TYPE STRING,
JAHR TYPE STRING,
MON01 TYPE STRING,
MON02 TYPE STRING,
MON03 TYPE STRING,
MON04 TYPE STRING,
MON05 TYPE STRING,
MON06 TYPE STRING,
MON07 TYPE STRING,
MON08 TYPE STRING,
MON09 TYPE STRING,
MON10 TYPE STRING,
MON11 TYPE STRING,
MON12 TYPE STRING,
BASIS TYPE STRING,
FENUM TYPE STRING,
WENUM TYPE STRING,
LOAD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFCTRYCLNDRDATE2_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_PFCTRYCLNDRDATE2_STR-CALENDARYEAR sy-vline 
WA_PFCTRYCLNDRDATE2_STR-CALENDARMONTH sy-vline 
WA_PFCTRYCLNDRDATE2_STR-CALENDARWEEK sy-vline 
WA_PFCTRYCLNDRDATE2_STR-CALENDARQUARTER sy-vline 
WA_PFCTRYCLNDRDATE2_STR-YEARQUARTER sy-vline 
WA_PFCTRYCLNDRDATE2_STR-YEARMONTH sy-vline 
WA_PFCTRYCLNDRDATE2_STR-YEARWEEK sy-vline 
WA_PFCTRYCLNDRDATE2_STR-CALENDARDATE sy-vline 
WA_PFCTRYCLNDRDATE2_STR-CALENDARDAY sy-vline 
WA_PFCTRYCLNDRDATE2_STR-WEEKDAY sy-vline 
WA_PFCTRYCLNDRDATE2_STR-IDENT sy-vline 
WA_PFCTRYCLNDRDATE2_STR-JAHR sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON01 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON02 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON03 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON04 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON05 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON06 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON07 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON08 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON09 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON10 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON11 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-MON12 sy-vline 
WA_PFCTRYCLNDRDATE2_STR-BASIS sy-vline 
WA_PFCTRYCLNDRDATE2_STR-FENUM sy-vline 
WA_PFCTRYCLNDRDATE2_STR-WENUM sy-vline 
WA_PFCTRYCLNDRDATE2_STR-LOAD sy-vline      INTO ld_text SEPARATED BY SPACE.

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