ABAP Select data from SAP table IEHSTASKPLANTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IEHSTASKPLANTP
*  INTO TABLE @DATA(IT_IEHSTASKPLANTP2).
*--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_IEHSTASKPLANTP INDEX 1 INTO DATA(WA_IEHSTASKPLANTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IEHSTASKPLANTP>-MANDT = 1.
<IEHSTASKPLANTP>-EHSPLANNEDTASKUUID = 1.
<IEHSTASKPLANTP>-EHSTASKDEFINITIONUUID = 1.
<IEHSTASKPLANTP>-WORKFLOWTASKINTERNALID = 1.
<IEHSTASKPLANTP>-EHSTASKTIMEZONE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IEHSTASKPLANTP-EHSTASKSTARTDATETIME, sy-vline,
  WA_IEHSTASKPLANTP-EHSTASKSTARTDATE, sy-vline,
  WA_IEHSTASKPLANTP-EHSTASKDUEDATE, sy-vline,
  WA_IEHSTASKPLANTP-EHSTASKINSTCECOMPLETIONDATE, sy-vline,
  WA_IEHSTASKPLANTP-EHSTASKASSIGNEDBP, sy-vline,
  WA_IEHSTASKPLANTP-EHSTASKAPPROVINGBP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IEHSTASKPLANTP 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_IEHSTASKPLANTP 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_IEHSTASKPLANTP INTO WA_IEHSTASKPLANTP.


*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 EHSTASKASSIGNEDBP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IEHSTASKPLANTP-EHSTASKASSIGNEDBP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEHSTASKPLANTP-EHSTASKASSIGNEDBP.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field EHSTASKINSTANCEPROCESSORBP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IEHSTASKPLANTP-EHSTASKINSTANCEPROCESSORBP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEHSTASKPLANTP-EHSTASKINSTANCEPROCESSORBP.
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_IEHSTASKPLANTP_STR, 
MANDT TYPE STRING,
EHSPLANNEDTASKUUID TYPE STRING,
EHSTASKDEFINITIONUUID TYPE STRING,
WORKFLOWTASKINTERNALID TYPE STRING,
EHSTASKTIMEZONE TYPE STRING,
EHSTASKSTARTDATETIME TYPE STRING,
EHSTASKSTARTDATE TYPE STRING,
EHSTASKDUEDATE TYPE STRING,
EHSTASKINSTCECOMPLETIONDATE TYPE STRING,
EHSTASKASSIGNEDBP TYPE STRING,
EHSTASKAPPROVINGBP TYPE STRING,
EHSTASKOWNERBP TYPE STRING,
EHSPLANNEDTASKID TYPE STRING,
EHSTASKINSTANCEPROCESSORBP TYPE STRING,
EHSTASKASSIGNEDLOCROLE TYPE STRING,
EHSTASKAPPROVERLOCROLE TYPE STRING,
MIGRATIONSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IEHSTASKPLANTP_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_IEHSTASKPLANTP_STR-MANDT sy-vline 
WA_IEHSTASKPLANTP_STR-EHSPLANNEDTASKUUID sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKDEFINITIONUUID sy-vline 
WA_IEHSTASKPLANTP_STR-WORKFLOWTASKINTERNALID sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKTIMEZONE sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKSTARTDATETIME sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKSTARTDATE sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKDUEDATE sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKINSTCECOMPLETIONDATE sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKASSIGNEDBP sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKAPPROVINGBP sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKOWNERBP sy-vline 
WA_IEHSTASKPLANTP_STR-EHSPLANNEDTASKID sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKINSTANCEPROCESSORBP sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKASSIGNEDLOCROLE sy-vline 
WA_IEHSTASKPLANTP_STR-EHSTASKAPPROVERLOCROLE sy-vline 
WA_IEHSTASKPLANTP_STR-MIGRATIONSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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