ABAP Select data from SAP table ISALLOCATIONSENDERKEYFIELDTP_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISALLOCATIONSENDERKEYFIELDTP_D
*  INTO TABLE @DATA(IT_ISALLOCATIONSENDERKEYFIELDTP_D2).
*--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_ISALLOCATIONSENDERKEYFIELDTP_D INDEX 1 INTO DATA(WA_ISALLOCATIONSENDERKEYFIELDTP_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISALLOCATIONSENDERKEYFIELDTP_D>-ALLOCATIONTYPE = 1.
<ISALLOCATIONSENDERKEYFIELDTP_D>-ALLOCATIONCYCLE = 1.
<ISALLOCATIONSENDERKEYFIELDTP_D>-ALLOCATIONCYCLESTARTDATE = 1.
<ISALLOCATIONSENDERKEYFIELDTP_D>-ALLOCATIONCYCLESEGMENT = 1.
<ISALLOCATIONSENDERKEYFIELDTP_D>-ALLOCDOCUMENTSEQUENCENUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISALLOCATIONSENDERKEYFIELDTP_D-ALLOCATIONFIELDNAME, sy-vline,
  WA_ISALLOCATIONSENDERKEYFIELDTP_D-ALLOCATIONSETNAME, sy-vline,
  WA_ISALLOCATIONSENDERKEYFIELDTP_D-ALLOCATIONFIELDMINIMUMVALUE, sy-vline,
  WA_ISALLOCATIONSENDERKEYFIELDTP_D-ALLOCATIONFIELDMAXIMUMVALUE, sy-vline,
  WA_ISALLOCATIONSENDERKEYFIELDTP_D-ALLOCATIONSETID, sy-vline,
  WA_ISALLOCATIONSENDERKEYFIELDTP_D-ALLOCATIONSETTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISALLOCATIONSENDERKEYFIELDTP_D 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_ISALLOCATIONSENDERKEYFIELDTP_D 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_ISALLOCATIONSENDERKEYFIELDTP_D INTO WA_ISALLOCATIONSENDERKEYFIELDTP_D.


*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_ISALLOCATIONSENDERKEYFIELDTP_D_STR, 
ALLOCATIONTYPE TYPE STRING,
ALLOCATIONCYCLE TYPE STRING,
ALLOCATIONCYCLESTARTDATE TYPE STRING,
ALLOCATIONCYCLESEGMENT TYPE STRING,
ALLOCDOCUMENTSEQUENCENUMBER TYPE STRING,
ALLOCATIONFIELDNAME TYPE STRING,
ALLOCATIONSETNAME TYPE STRING,
ALLOCATIONFIELDMINIMUMVALUE TYPE STRING,
ALLOCATIONFIELDMAXIMUMVALUE TYPE STRING,
ALLOCATIONSETID TYPE STRING,
ALLOCATIONSETTYPE TYPE STRING,
ALLOCATIONFIELDTEXT TYPE STRING,
ALLOCKEYFIELDISINITIAL TYPE STRING,
ALLOCKEYFIELDISALLVALUES 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_ISALLOCATIONSENDERKEYFIELDTP_D_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_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONTYPE sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONCYCLE sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONCYCLESTARTDATE sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONCYCLESEGMENT sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCDOCUMENTSEQUENCENUMBER sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONFIELDNAME sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONSETNAME sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONFIELDMINIMUMVALUE sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONFIELDMAXIMUMVALUE sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONSETID sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONSETTYPE sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCATIONFIELDTEXT sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCKEYFIELDISINITIAL sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-ALLOCKEYFIELDISALLVALUES sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-HASACTIVEENTITY sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISALLOCATIONSENDERKEYFIELDTP_D_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.