ABAP Select data from SAP table CRECCNDRTHMTRM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRECCNDRTHMTRM
*  INTO TABLE @DATA(IT_CRECCNDRTHMTRM2).
*--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_CRECCNDRTHMTRM INDEX 1 INTO DATA(WA_CRECCNDRTHMTRM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRECCNDRTHMTRM>-MANDT = 1.
<CRECCNDRTHMTRM>-INTERNALREALESTATENUMBER = 1.
<CRECCNDRTHMTRM>-RETERMTYPE = 1.
<CRECCNDRTHMTRM>-RETERMNUMBER = 1.
<CRECCNDRTHMTRM>-VALIDITYSTARTENDDATEVALUE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRECCNDRTHMTRM-VALIDITYSTARTDATE, sy-vline,
  WA_CRECCNDRTHMTRM-VALIDITYENDDATE, sy-vline,
  WA_CRECCNDRTHMTRM-RETERMNAME, sy-vline,
  WA_CRECCNDRTHMTRM-REALESTATEOBJECTTYPE, sy-vline,
  WA_CRECCNDRTHMTRM-REIDENTIFICATIONKEY, sy-vline,
  WA_CRECCNDRTHMTRM-RESTATUSOBJECT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRECCNDRTHMTRM 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_CRECCNDRTHMTRM 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_CRECCNDRTHMTRM INTO WA_CRECCNDRTHMTRM.


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

*Conversion exit ALPHA, internal->external for field REFIXEDPERIOD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRECCNDRTHMTRM-REFIXEDPERIOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRECCNDRTHMTRM-REFIXEDPERIOD.
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_CRECCNDRTHMTRM_STR, 
MANDT TYPE STRING,
INTERNALREALESTATENUMBER TYPE STRING,
RETERMTYPE TYPE STRING,
RETERMNUMBER TYPE STRING,
VALIDITYSTARTENDDATEVALUE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
RETERMNAME TYPE STRING,
REALESTATEOBJECTTYPE TYPE STRING,
REIDENTIFICATIONKEY TYPE STRING,
RESTATUSOBJECT TYPE STRING,
RENUMBEROFFREQUENCYUNITS TYPE STRING,
REFREQUENCYUNIT TYPE STRING,
RESTARTFREQUENCYWEEK TYPE STRING,
REFREQUENCYSTART TYPE STRING,
RECONDITIONAMOUNTREFERENCE TYPE STRING,
RECONDITIONAMOUNTDIFF TYPE STRING,
REPRORATAMETHOD TYPE STRING,
REPRORATAMETHODCALC TYPE STRING,
REPAYMENTFORM TYPE STRING,
REFREQUENCYSTARTDATE TYPE STRING,
REDUEDATECORRECTIONRULE TYPE STRING,
REDUEDATENUMBEROFCRRTNDAYS TYPE STRING,
REDUEDATENUMBEROFCRRTNMONTHS TYPE STRING,
REDUEDATENUMBEROFCRRTNYEARS TYPE STRING,
REDUEDATENUMBEROFCRRTNCALENDAR TYPE STRING,
REDUEDATECRRTNCALENDARUNIT TYPE STRING,
FACTORYCALENDAR TYPE STRING,
REDUEDATEISATBEGINNING TYPE STRING,
REDUEDATEISATEND TYPE STRING,
REFIXEDPERIOD TYPE STRING,
REENTRYVALIDITY TYPE STRING,
REENTRYVALIDITYCRITICALITY TYPE STRING,
RETERMTYPENAME TYPE STRING,
REFREQUENCYUNITNAME TYPE STRING,
RESTARTFREQUENCYWEEKNAME TYPE STRING,
REFREQUENCYSTARTNAME TYPE STRING,
RECONDITIONAMOUNTREFERENCENAME TYPE STRING,
RECONDITIONAMOUNTDIFFNAME TYPE STRING,
REPRORATAMETHODNAME TYPE STRING,
REPRORATAMETHODCALCNAME TYPE STRING,
REPAYMENTFORMNAME TYPE STRING,
REDUEDATECRRTNRULEDESC TYPE STRING,
REDUEDATECRRTNCALENDARUNITNAME TYPE STRING,
FACTORYCALENDARNAME TYPE STRING,
REFIXEDPERIODDESC TYPE STRING,
REENTRYVALIDITYTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRECCNDRTHMTRM_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_CRECCNDRTHMTRM_STR-MANDT sy-vline 
WA_CRECCNDRTHMTRM_STR-INTERNALREALESTATENUMBER sy-vline 
WA_CRECCNDRTHMTRM_STR-RETERMTYPE sy-vline 
WA_CRECCNDRTHMTRM_STR-RETERMNUMBER sy-vline 
WA_CRECCNDRTHMTRM_STR-VALIDITYSTARTENDDATEVALUE sy-vline 
WA_CRECCNDRTHMTRM_STR-VALIDITYSTARTDATE sy-vline 
WA_CRECCNDRTHMTRM_STR-VALIDITYENDDATE sy-vline 
WA_CRECCNDRTHMTRM_STR-RETERMNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REALESTATEOBJECTTYPE sy-vline 
WA_CRECCNDRTHMTRM_STR-REIDENTIFICATIONKEY sy-vline 
WA_CRECCNDRTHMTRM_STR-RESTATUSOBJECT sy-vline 
WA_CRECCNDRTHMTRM_STR-RENUMBEROFFREQUENCYUNITS sy-vline 
WA_CRECCNDRTHMTRM_STR-REFREQUENCYUNIT sy-vline 
WA_CRECCNDRTHMTRM_STR-RESTARTFREQUENCYWEEK sy-vline 
WA_CRECCNDRTHMTRM_STR-REFREQUENCYSTART sy-vline 
WA_CRECCNDRTHMTRM_STR-RECONDITIONAMOUNTREFERENCE sy-vline 
WA_CRECCNDRTHMTRM_STR-RECONDITIONAMOUNTDIFF sy-vline 
WA_CRECCNDRTHMTRM_STR-REPRORATAMETHOD sy-vline 
WA_CRECCNDRTHMTRM_STR-REPRORATAMETHODCALC sy-vline 
WA_CRECCNDRTHMTRM_STR-REPAYMENTFORM sy-vline 
WA_CRECCNDRTHMTRM_STR-REFREQUENCYSTARTDATE sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATECORRECTIONRULE sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATENUMBEROFCRRTNDAYS sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATENUMBEROFCRRTNMONTHS sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATENUMBEROFCRRTNYEARS sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATENUMBEROFCRRTNCALENDAR sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATECRRTNCALENDARUNIT sy-vline 
WA_CRECCNDRTHMTRM_STR-FACTORYCALENDAR sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATEISATBEGINNING sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATEISATEND sy-vline 
WA_CRECCNDRTHMTRM_STR-REFIXEDPERIOD sy-vline 
WA_CRECCNDRTHMTRM_STR-REENTRYVALIDITY sy-vline 
WA_CRECCNDRTHMTRM_STR-REENTRYVALIDITYCRITICALITY sy-vline 
WA_CRECCNDRTHMTRM_STR-RETERMTYPENAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REFREQUENCYUNITNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-RESTARTFREQUENCYWEEKNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REFREQUENCYSTARTNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-RECONDITIONAMOUNTREFERENCENAME sy-vline 
WA_CRECCNDRTHMTRM_STR-RECONDITIONAMOUNTDIFFNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REPRORATAMETHODNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REPRORATAMETHODCALCNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REPAYMENTFORMNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATECRRTNRULEDESC sy-vline 
WA_CRECCNDRTHMTRM_STR-REDUEDATECRRTNCALENDARUNITNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-FACTORYCALENDARNAME sy-vline 
WA_CRECCNDRTHMTRM_STR-REFIXEDPERIODDESC sy-vline 
WA_CRECCNDRTHMTRM_STR-REENTRYVALIDITYTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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