ABAP Select data from SAP table /PF1/STR_ODATA_TCHAIN_ENTRY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/STR_ODATA_TCHAIN_ENTRY 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 /PF1/STR_ODATA_TCHAIN_ENTRY. 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 /PF1/STR_ODATA_TCHAIN_ENTRY 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_/PF1/STR_ODATA_TCHAIN_ENTRY TYPE STANDARD TABLE OF /PF1/STR_ODATA_TCHAIN_ENTRY,
      WA_/PF1/STR_ODATA_TCHAIN_ENTRY TYPE /PF1/STR_ODATA_TCHAIN_ENTRY,
      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: </PF1/STR_ODATA_TCHAIN_ENTRY> TYPE /PF1/STR_ODATA_TCHAIN_ENTRY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/STR_ODATA_TCHAIN_ENTRY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/STR_ODATA_TCHAIN_ENTRY
  INTO TABLE IT_/PF1/STR_ODATA_TCHAIN_ENTRY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/STR_ODATA_TCHAIN_ENTRY
*  INTO TABLE @DATA(IT_/PF1/STR_ODATA_TCHAIN_ENTRY2).
*--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_/PF1/STR_ODATA_TCHAIN_ENTRY INDEX 1 INTO DATA(WA_/PF1/STR_ODATA_TCHAIN_ENTRY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/STR_ODATA_TCHAIN_ENTRY ASSIGNING </PF1/STR_ODATA_TCHAIN_ENTRY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/STR_ODATA_TCHAIN_ENTRY>-ENTRY_GUID = 1.
</PF1/STR_ODATA_TCHAIN_ENTRY>-ITEM_GUID = 1.
</PF1/STR_ODATA_TCHAIN_ENTRY>-TCHN_POSITION = 1.
</PF1/STR_ODATA_TCHAIN_ENTRY>-SUB_COUNT = 1.
</PF1/STR_ODATA_TCHAIN_ENTRY>-SUB_COUNT_EDT = 1.

ENDLOOP.

LOOP AT IT_/PF1/STR_ODATA_TCHAIN_ENTRY INTO WA_/PF1/STR_ODATA_TCHAIN_ENTRY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/STR_ODATA_TCHAIN_ENTRY-SUB_COUNT_VIS, sy-vline,
  WA_/PF1/STR_ODATA_TCHAIN_ENTRY-DELETABLE, sy-vline,
  WA_/PF1/STR_ODATA_TCHAIN_ENTRY-BIC_INFO, sy-vline,
  WA_/PF1/STR_ODATA_TCHAIN_ENTRY-BIC_INFO_DESC, sy-vline,
  WA_/PF1/STR_ODATA_TCHAIN_ENTRY-BIC_INFO_FLG, sy-vline,
  WA_/PF1/STR_ODATA_TCHAIN_ENTRY-ACCT_COUNTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/STR_ODATA_TCHAIN_ENTRY 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_/PF1/STR_ODATA_TCHAIN_ENTRY 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_/PF1/STR_ODATA_TCHAIN_ENTRY INTO WA_/PF1/STR_ODATA_TCHAIN_ENTRY.


*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_/PF1/STR_ODATA_TCHAIN_ENTRY_STR, 
ENTRY_GUID TYPE STRING,
ITEM_GUID TYPE STRING,
TCHN_POSITION TYPE STRING,
SUB_COUNT TYPE STRING,
SUB_COUNT_EDT TYPE STRING,
SUB_COUNT_VIS TYPE STRING,
DELETABLE TYPE STRING,
BIC_INFO TYPE STRING,
BIC_INFO_DESC TYPE STRING,
BIC_INFO_FLG TYPE STRING,
ACCT_COUNTRY TYPE STRING,
ACCT_BANKKEY TYPE STRING,
ACCT_NO TYPE STRING,
ACCT_BIC TYPE STRING,
ACCT_IBAN TYPE STRING,
ACCT_CURR TYPE STRING,
ACCT_HOLDER TYPE STRING,
ACCT_COUNTRY_FLG TYPE STRING,
ACCT_BANKKEY_FLG TYPE STRING,
ACCT_NO_FLG TYPE STRING,
ACCT_BIC_FLG TYPE STRING,
ACCT_IBAN_FLG TYPE STRING,
ACCT_CURR_FLG TYPE STRING,
ACCT_HOLDER_FLG TYPE STRING,
UNSTRUC_ADDRESS TYPE STRING,
UNSTRUC_ADDRESS_FLG TYPE STRING,
CLEARING_AREA TYPE STRING,
OBJECT_ATTRIBUTE_1 TYPE STRING,
OBJECT_ATTRIBUTE_2 TYPE STRING,
OBJECT_ATTRIBUTE_3 TYPE STRING,
FIRST_STATUS_TEXT TYPE STRING,
FIRST_STATUS_STATE TYPE STRING,
FIRST_STATUS_VISIBLE TYPE STRING,
SECOND_STATUS_TEXT TYPE STRING,
SECOND_STATUS_STATE TYPE STRING,
SECOND_STATUS_VISIBLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/STR_ODATA_TCHAIN_ENTRY_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_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ENTRY_GUID sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ITEM_GUID sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-TCHN_POSITION sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-SUB_COUNT sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-SUB_COUNT_EDT sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-SUB_COUNT_VIS sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-DELETABLE sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-BIC_INFO sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-BIC_INFO_DESC sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-BIC_INFO_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_COUNTRY sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_BANKKEY sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_NO sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_BIC sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_IBAN sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_CURR sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_HOLDER sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_COUNTRY_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_BANKKEY_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_NO_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_BIC_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_IBAN_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_CURR_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-ACCT_HOLDER_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-UNSTRUC_ADDRESS sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-UNSTRUC_ADDRESS_FLG sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-CLEARING_AREA sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-OBJECT_ATTRIBUTE_1 sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-OBJECT_ATTRIBUTE_2 sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-OBJECT_ATTRIBUTE_3 sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-FIRST_STATUS_TEXT sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-FIRST_STATUS_STATE sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-FIRST_STATUS_VISIBLE sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-SECOND_STATUS_TEXT sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-SECOND_STATUS_STATE sy-vline 
WA_/PF1/STR_ODATA_TCHAIN_ENTRY_STR-SECOND_STATUS_VISIBLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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