ABAP Select data from SAP table /ISDFPS/BI_EXT_DLY_HDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/BI_EXT_DLY_HDR
*  INTO TABLE @DATA(IT_/ISDFPS/BI_EXT_DLY_HDR2).
*--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_/ISDFPS/BI_EXT_DLY_HDR INDEX 1 INTO DATA(WA_/ISDFPS/BI_EXT_DLY_HDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/BI_EXT_DLY_HDR>-MANDT = 1.
</ISDFPS/BI_EXT_DLY_HDR>-VBELN = 1.
</ISDFPS/BI_EXT_DLY_HDR>-ERNAM = 1.
</ISDFPS/BI_EXT_DLY_HDR>-ERZET = 1.
</ISDFPS/BI_EXT_DLY_HDR>-ERDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/BI_EXT_DLY_HDR-VSTEL, sy-vline,
  WA_/ISDFPS/BI_EXT_DLY_HDR-VKORG, sy-vline,
  WA_/ISDFPS/BI_EXT_DLY_HDR-LFART, sy-vline,
  WA_/ISDFPS/BI_EXT_DLY_HDR-WADAT, sy-vline,
  WA_/ISDFPS/BI_EXT_DLY_HDR-LDDAT, sy-vline,
  WA_/ISDFPS/BI_EXT_DLY_HDR-TDDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/BI_EXT_DLY_HDR 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_/ISDFPS/BI_EXT_DLY_HDR 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_/ISDFPS/BI_EXT_DLY_HDR INTO WA_/ISDFPS/BI_EXT_DLY_HDR.


*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.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BI_EXT_DLY_HDR-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BI_EXT_DLY_HDR-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BI_EXT_DLY_HDR-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BI_EXT_DLY_HDR-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BI_EXT_DLY_HDR-VOLEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BI_EXT_DLY_HDR-VOLEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field XABLN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BI_EXT_DLY_HDR-XABLN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BI_EXT_DLY_HDR-XABLN.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_/ISDFPS/BI_EXT_DLY_HDR_STR, 
MANDT TYPE STRING,
VBELN TYPE STRING,
ERNAM TYPE STRING,
ERZET TYPE STRING,
ERDAT TYPE STRING,
VSTEL TYPE STRING,
VKORG TYPE STRING,
LFART TYPE STRING,
WADAT TYPE STRING,
LDDAT TYPE STRING,
TDDAT TYPE STRING,
LFDAT TYPE STRING,
KODAT TYPE STRING,
ABLAD TYPE STRING,
INCO1 TYPE STRING,
INCO2 TYPE STRING,
EXPKZ TYPE STRING,
ROUTE TYPE STRING,
VBTYP TYPE STRING,
LPRIO TYPE STRING,
VSBED TYPE STRING,
BTGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
ANZPK TYPE STRING,
BEROT TYPE STRING,
LFUHR TYPE STRING,
LSTEL TYPE STRING,
TRAGR TYPE STRING,
ROUTA TYPE STRING,
AEDAT TYPE STRING,
BOLNR TYPE STRING,
XABLN TYPE STRING,
BLDAT TYPE STRING,
WADAT_IST TYPE STRING,
LIFEX TYPE STRING,
HANDLE TYPE STRING,
DELTA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/BI_EXT_DLY_HDR_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_/ISDFPS/BI_EXT_DLY_HDR_STR-MANDT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-VBELN sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-ERNAM sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-ERZET sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-ERDAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-VSTEL sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-VKORG sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-LFART sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-WADAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-LDDAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-TDDAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-LFDAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-KODAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-ABLAD sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-INCO1 sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-INCO2 sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-EXPKZ sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-ROUTE sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-VBTYP sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-LPRIO sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-VSBED sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-BTGEW sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-NTGEW sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-GEWEI sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-VOLUM sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-VOLEH sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-ANZPK sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-BEROT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-LFUHR sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-LSTEL sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-TRAGR sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-ROUTA sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-AEDAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-BOLNR sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-XABLN sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-BLDAT sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-WADAT_IST sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-LIFEX sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-HANDLE sy-vline 
WA_/ISDFPS/BI_EXT_DLY_HDR_STR-DELTA sy-vline      INTO ld_text SEPARATED BY SPACE.

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