ABAP Select data from SAP table /AIF/ARCHIVING_KEY_ST_V2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /AIF/ARCHIVING_KEY_ST_V2 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 /AIF/ARCHIVING_KEY_ST_V2. 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 /AIF/ARCHIVING_KEY_ST_V2 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_/AIF/ARCHIVING_KEY_ST_V2 TYPE STANDARD TABLE OF /AIF/ARCHIVING_KEY_ST_V2,
      WA_/AIF/ARCHIVING_KEY_ST_V2 TYPE /AIF/ARCHIVING_KEY_ST_V2,
      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: </AIF/ARCHIVING_KEY_ST_V2> TYPE /AIF/ARCHIVING_KEY_ST_V2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/AIF/ARCHIVING_KEY_ST_V2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /AIF/ARCHIVING_KEY_ST_V2
  INTO TABLE IT_/AIF/ARCHIVING_KEY_ST_V2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /AIF/ARCHIVING_KEY_ST_V2
*  INTO TABLE @DATA(IT_/AIF/ARCHIVING_KEY_ST_V22).
*--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_/AIF/ARCHIVING_KEY_ST_V2 INDEX 1 INTO DATA(WA_/AIF/ARCHIVING_KEY_ST_V22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/AIF/ARCHIVING_KEY_ST_V2 ASSIGNING </AIF/ARCHIVING_KEY_ST_V2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</AIF/ARCHIVING_KEY_ST_V2>-MSGGUID = 1.
</AIF/ARCHIVING_KEY_ST_V2>-NS = 1.
</AIF/ARCHIVING_KEY_ST_V2>-IFNAME = 1.
</AIF/ARCHIVING_KEY_ST_V2>-IFVER = 1.
</AIF/ARCHIVING_KEY_ST_V2>-SINGLE_IDX_TBL = 1.

ENDLOOP.

LOOP AT IT_/AIF/ARCHIVING_KEY_ST_V2 INTO WA_/AIF/ARCHIVING_KEY_ST_V2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/AIF/ARCHIVING_KEY_ST_V2-MULTI_IDX_TBL, sy-vline,
  WA_/AIF/ARCHIVING_KEY_ST_V2-STATUS, sy-vline,
  WA_/AIF/ARCHIVING_KEY_ST_V2-LOGNUMBER, sy-vline,
  WA_/AIF/ARCHIVING_KEY_ST_V2-END_DATE, sy-vline,
  WA_/AIF/ARCHIVING_KEY_ST_V2-PROCESSING_END_TSTMP, sy-vline,
  WA_/AIF/ARCHIVING_KEY_ST_V2-BG_COMM_KIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/AIF/ARCHIVING_KEY_ST_V2 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_/AIF/ARCHIVING_KEY_ST_V2 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_/AIF/ARCHIVING_KEY_ST_V2 INTO WA_/AIF/ARCHIVING_KEY_ST_V2.


*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_/AIF/ARCHIVING_KEY_ST_V2_STR, 
MSGGUID TYPE STRING,
NS TYPE STRING,
IFNAME TYPE STRING,
IFVER TYPE STRING,
SINGLE_IDX_TBL TYPE STRING,
MULTI_IDX_TBL TYPE STRING,
STATUS TYPE STRING,
LOGNUMBER TYPE STRING,
END_DATE TYPE STRING,
PROCESSING_END_TSTMP TYPE STRING,
BG_COMM_KIND TYPE STRING,
DEST TYPE STRING,
QLUWCNT TYPE STRING,
FNAM TYPE STRING,
ARFCIPID TYPE STRING,
ARFCPID TYPE STRING,
ARFCTIME TYPE STRING,
ARFCTIDCNT TYPE STRING,
QNAME TYPE STRING,
TRFCTYPE TYPE STRING,
UNIT_ID TYPE STRING,
QUEUE_NAME TYPE STRING,
UNIT_KIND TYPE STRING,
STATUS_WITHIN_LUW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/AIF/ARCHIVING_KEY_ST_V2_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_/AIF/ARCHIVING_KEY_ST_V2_STR-MSGGUID sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-NS sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-IFNAME sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-IFVER sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-SINGLE_IDX_TBL sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-MULTI_IDX_TBL sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-STATUS sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-LOGNUMBER sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-END_DATE sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-PROCESSING_END_TSTMP sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-BG_COMM_KIND sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-DEST sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-QLUWCNT sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-FNAM sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-ARFCIPID sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-ARFCPID sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-ARFCTIME sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-ARFCTIDCNT sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-QNAME sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-TRFCTYPE sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-UNIT_ID sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-QUEUE_NAME sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-UNIT_KIND sy-vline 
WA_/AIF/ARCHIVING_KEY_ST_V2_STR-STATUS_WITHIN_LUW sy-vline      INTO ld_text SEPARATED BY SPACE.

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