ABAP Select data from SAP table /MFND/CORE_ITM_ENTREQ_INFO_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MFND/CORE_ITM_ENTREQ_INFO_STR
*  INTO TABLE @DATA(IT_/MFND/CORE_ITM_ENTREQ_INFO_STR2).
*--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_/MFND/CORE_ITM_ENTREQ_INFO_STR INDEX 1 INTO DATA(WA_/MFND/CORE_ITM_ENTREQ_INFO_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MFND/CORE_ITM_ENTREQ_INFO_STR>-REQUEST_NO = 1.
</MFND/CORE_ITM_ENTREQ_INFO_STR>-TECH_ENTITY_TYPE = 1.
</MFND/CORE_ITM_ENTREQ_INFO_STR>-OPERATION = 1.
</MFND/CORE_ITM_ENTREQ_INFO_STR>-REQUEST_OPERATION_TYPE = 1.
</MFND/CORE_ITM_ENTREQ_INFO_STR>-FLAG_LEAD_TECH_ENTITY_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MFND/CORE_ITM_ENTREQ_INFO_STR-KEY_INFO, sy-vline,
  WA_/MFND/CORE_ITM_ENTREQ_INFO_STR-REQUEST_CLIENT_STATE_ID, sy-vline,
  WA_/MFND/CORE_ITM_ENTREQ_INFO_STR-REQUEST_CLIENT_STATE_TIMESTAMP, sy-vline,
  WA_/MFND/CORE_ITM_ENTREQ_INFO_STR-REQUEST_PACKAGE_GUID, sy-vline,
  WA_/MFND/CORE_ITM_ENTREQ_INFO_STR-REQUEST_PACKAGE_NUMBER, sy-vline,
  WA_/MFND/CORE_ITM_ENTREQ_INFO_STR-REQUEST_CONTENT_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MFND/CORE_ITM_ENTREQ_INFO_STR 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_/MFND/CORE_ITM_ENTREQ_INFO_STR 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_/MFND/CORE_ITM_ENTREQ_INFO_STR INTO WA_/MFND/CORE_ITM_ENTREQ_INFO_STR.


*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_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR, 
REQUEST_NO TYPE STRING,
TECH_ENTITY_TYPE TYPE STRING,
OPERATION TYPE STRING,
REQUEST_OPERATION_TYPE TYPE STRING,
FLAG_LEAD_TECH_ENTITY_TYPE TYPE STRING,
KEY_INFO TYPE STRING,
REQUEST_CLIENT_STATE_ID TYPE STRING,
REQUEST_CLIENT_STATE_TIMESTAMP TYPE STRING,
REQUEST_PACKAGE_GUID TYPE STRING,
REQUEST_PACKAGE_NUMBER TYPE STRING,
REQUEST_CONTENT_ID TYPE STRING,
REQUEST_CONTENT_ID_REF TYPE STRING,
INPUT_FIELD_LIST TYPE STRING,
FLAG_MEDIA_RESOURCE TYPE STRING,
MIME_TYPE TYPE STRING,
DELTATOKEN TYPE STRING,
SKIPTOKEN TYPE STRING,
ENTITY_PROPERTY_TECH_INFO TYPE STRING,
MERGE_KEY TYPE STRING,
FLAG_REQUEST_MERGED TYPE STRING,
TOP TYPE STRING,
SKIP TYPE STRING,
FILTER_STRING TYPE STRING,
SORT_BY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_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_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_NO sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-TECH_ENTITY_TYPE sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-OPERATION sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_OPERATION_TYPE sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-FLAG_LEAD_TECH_ENTITY_TYPE sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-KEY_INFO sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_CLIENT_STATE_ID sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_CLIENT_STATE_TIMESTAMP sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_PACKAGE_GUID sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_PACKAGE_NUMBER sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_CONTENT_ID sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-REQUEST_CONTENT_ID_REF sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-INPUT_FIELD_LIST sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-FLAG_MEDIA_RESOURCE sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-MIME_TYPE sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-DELTATOKEN sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-SKIPTOKEN sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-ENTITY_PROPERTY_TECH_INFO sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-MERGE_KEY sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-FLAG_REQUEST_MERGED sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-TOP sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-SKIP sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-FILTER_STRING sy-vline 
WA_/MFND/CORE_ITM_ENTREQ_INFO_STR_STR-SORT_BY sy-vline      INTO ld_text SEPARATED BY SPACE.

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