ABAP Select data from SAP table ISDFS_POSTOREFFRCELMNTSTRUCTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISDFS_POSTOREFFRCELMNTSTRUCTP
*  INTO TABLE @DATA(IT_ISDFS_POSTOREFFRCELMNTSTRUCTP2).
*--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_ISDFS_POSTOREFFRCELMNTSTRUCTP INDEX 1 INTO DATA(WA_ISDFS_POSTOREFFRCELMNTSTRUCTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISDFS_POSTOREFFRCELMNTSTRUCTP>-KEY = 1.
<ISDFS_POSTOREFFRCELMNTSTRUCTP>-PARENT_KEY = 1.
<ISDFS_POSTOREFFRCELMNTSTRUCTP>-ROOT_KEY = 1.
<ISDFS_POSTOREFFRCELMNTSTRUCTP>-DFSOBJECTID = 1.
<ISDFS_POSTOREFFRCELMNTSTRUCTP>-DFSPOSITIONRELATEDOBJECTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISDFS_POSTOREFFRCELMNTSTRUCTP-DFSOBJECTPLANVERSION, sy-vline,
  WA_ISDFS_POSTOREFFRCELMNTSTRUCTP-DFSOBJECTPLNGSTATUS, sy-vline,
  WA_ISDFS_POSTOREFFRCELMNTSTRUCTP-DFSPOSITIONVALDTYSTARTDATE, sy-vline,
  WA_ISDFS_POSTOREFFRCELMNTSTRUCTP-DFSPOSITIONVALDTYENDDATE, sy-vline,
  WA_ISDFS_POSTOREFFRCELMNTSTRUCTP-DFSOBJECTTYPE, sy-vline,
  WA_ISDFS_POSTOREFFRCELMNTSTRUCTP-DFSOBJECTRELSHPSPEC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISDFS_POSTOREFFRCELMNTSTRUCTP 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_ISDFS_POSTOREFFRCELMNTSTRUCTP 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_ISDFS_POSTOREFFRCELMNTSTRUCTP INTO WA_ISDFS_POSTOREFFRCELMNTSTRUCTP.


*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_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY 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,
DFSOBJECTISREFFRCELMNTORG TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_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_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-KEY sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-PARENT_KEY sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-ROOT_KEY sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTID sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSPOSITIONRELATEDOBJECTID sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTPLANVERSION sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTPLNGSTATUS sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSPOSITIONVALDTYSTARTDATE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSPOSITIONVALDTYENDDATE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTTYPE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTRELSHPSPEC sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTRELSHPBTWNOBJ sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTRELSHPPRIORITY sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSPOSITIONDESCREFSQNCNMBR sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTINFOTYPE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTCONCATENATEDID sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTSUBTYPE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSPOSITIONRELATEDOBJECTTYPE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJRELSHPLASTCHGDBYUSERNAME sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJRELSHPLASTCHGDBYUSER sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJRELSHPLASTCHGDDATE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DFSOBJECTISREFFRCELMNTORG sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-HASACTIVEENTITY sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISDFS_POSTOREFFRCELMNTSTRUCTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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