ABAP Select data from SAP table SAWE_STAFF_ASSIGNMENT_ERPCANCE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SAWE_STAFF_ASSIGNMENT_ERPCANCE
*  INTO TABLE @DATA(IT_SAWE_STAFF_ASSIGNMENT_ERPCANCE2).
*--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_SAWE_STAFF_ASSIGNMENT_ERPCANCE INDEX 1 INTO DATA(WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SAWE_STAFF_ASSIGNMENT_ERPCANCE>-CONTROLLER = 1.
<SAWE_STAFF_ASSIGNMENT_ERPCANCE>-STAFF_ASSIGNMENT_ERPCANCEL_REQ = 1.
<SAWE_STAFF_ASSIGNMENT_ERPCANCE>-CONTROLLER = 1.
<SAWE_STAFF_ASSIGNMENT_ERPCANCE>-MESSAGE_HEADER = 1.
<SAWE_STAFF_ASSIGNMENT_ERPCANCE>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE-ID, sy-vline,
  WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE-CONTROLLER, sy-vline,
  WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE-SCHEME_ID, sy-vline,
  WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE-SCHEME_AGENCY_ID, sy-vline,
  WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE-SCHEME_AGENCY_SCHEME_AGENCY_ID, sy-vline,
  WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE-CONTENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE 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_SAWE_STAFF_ASSIGNMENT_ERPCANCE 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_SAWE_STAFF_ASSIGNMENT_ERPCANCE INTO WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE.


*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_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR, 
CONTROLLER TYPE STRING,
STAFF_ASSIGNMENT_ERPCANCEL_REQ TYPE STRING,
CONTROLLER TYPE STRING,
MESSAGE_HEADER TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
UUID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REFERENCE_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REFERENCE_UUID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
STAFF_ASSIGNMENT TYPE STRING,
CONTROLLER TYPE STRING,
WORK_ENGAGEMENT_REFERENCE TYPE STRING,
CONTROLLER TYPE STRING,
WORK_ENGAGEMENT_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_VERSION_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
SALES_ORDER_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
SALES_ORDER_ITEM_ID TYPE STRING,
INTERNAL_ORDER_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
SERVICE_EXECUTION_ORDER_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_VERSION_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
PROJECT_ELEMENT_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
CUSTOMER_INTERNAL_ID TYPE STRING,
TASK_ASSIGNED_TO_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
EMPLOYEE_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_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_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-STAFF_ASSIGNMENT_ERPCANCEL_REQ sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-MESSAGE_HEADER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-UUID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-REFERENCE_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-REFERENCE_UUID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-STAFF_ASSIGNMENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-WORK_ENGAGEMENT_REFERENCE sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-WORK_ENGAGEMENT_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_VERSION_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SALES_ORDER_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SALES_ORDER_ITEM_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-INTERNAL_ORDER_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SERVICE_EXECUTION_ORDER_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_VERSION_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-PROJECT_ELEMENT_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CUSTOMER_INTERNAL_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-TASK_ASSIGNED_TO_PARTY sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-EMPLOYEE_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTROLLER sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-SCHEME_AGENCY_ID sy-vline 
WA_SAWE_STAFF_ASSIGNMENT_ERPCANCE_STR-CONTENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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