ABAP Select data from SAP table CDFSRFESTRUCTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CDFSRFESTRUCTP
*  INTO TABLE @DATA(IT_CDFSRFESTRUCTP2).
*--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_CDFSRFESTRUCTP INDEX 1 INTO DATA(WA_CDFSRFESTRUCTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CDFSRFESTRUCTP>-MANDT = 1.
<CDFSRFESTRUCTP>-DFSOBJECTID = 1.
<CDFSRFESTRUCTP>-DFSPOSITIONRELATEDOBJECTID = 1.
<CDFSRFESTRUCTP>-DFSOBJECTPLANVERSION = 1.
<CDFSRFESTRUCTP>-DFSOBJECTPLNGSTATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CDFSRFESTRUCTP-DFSPOSITIONVALDTYSTARTDATE, sy-vline,
  WA_CDFSRFESTRUCTP-DFSPOSITIONVALDTYENDDATE, sy-vline,
  WA_CDFSRFESTRUCTP-DFSOBJECTTYPE, sy-vline,
  WA_CDFSRFESTRUCTP-DFSOBJECTRELSHPSPEC, sy-vline,
  WA_CDFSRFESTRUCTP-DFSOBJECTRELSHPBTWNOBJ, sy-vline,
  WA_CDFSRFESTRUCTP-DFSOBJECTRELSHPPRIORITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CDFSRFESTRUCTP 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_CDFSRFESTRUCTP 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_CDFSRFESTRUCTP INTO WA_CDFSRFESTRUCTP.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CDFSRFESTRUCTP_STR, 
MANDT TYPE STRING,
DFSOBJECTID TYPE STRING,
DFSPOSITIONRELATEDOBJECTID TYPE STRING,
DFSOBJECTPLANVERSION TYPE STRING,
DFSOBJECTPLNGSTATUS TYPE STRING,
DFSPOSITIONVALDTYSTARTDATE TYPE STRING,
DFSPOSITIONVALDTYENDDATE TYPE STRING,
DFSOBJECTTYPE TYPE STRING,
DFSOBJECTRELSHPSPEC TYPE STRING,
DFSOBJECTRELSHPBTWNOBJ TYPE STRING,
DFSOBJECTRELSHPPRIORITY TYPE STRING,
DFSPOSITIONDESCREFSQNCNMBR TYPE STRING,
DFSOBJECTINFOTYPE TYPE STRING,
DFSOBJECTCONCATENATEDID TYPE STRING,
DFSOBJECTSUBTYPE TYPE STRING,
DFSPOSITIONRELATEDOBJECTTYPE TYPE STRING,
DFSOBJRELSHPLASTCHGDBYUSERNAME TYPE STRING,
DFSOBJRELSHPLASTCHGDBYUSER TYPE STRING,
DFSOBJRELSHPLASTCHGDDATE TYPE STRING,
DFSOBJECTPLNGSTATUSNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CDFSRFESTRUCTP_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_CDFSRFESTRUCTP_STR-MANDT sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTID sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSPOSITIONRELATEDOBJECTID sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTPLANVERSION sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTPLNGSTATUS sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSPOSITIONVALDTYSTARTDATE sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSPOSITIONVALDTYENDDATE sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTTYPE sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTRELSHPSPEC sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTRELSHPBTWNOBJ sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTRELSHPPRIORITY sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSPOSITIONDESCREFSQNCNMBR sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTINFOTYPE sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTCONCATENATEDID sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTSUBTYPE sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSPOSITIONRELATEDOBJECTTYPE sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJRELSHPLASTCHGDBYUSERNAME sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJRELSHPLASTCHGDBYUSER sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJRELSHPLASTCHGDDATE sy-vline 
WA_CDFSRFESTRUCTP_STR-DFSOBJECTPLNGSTATUSNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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