ABAP Select data from SAP table SITAGCYCDCHOICEMODELDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SITAGCYCDCHOICEMODELDATA
*  INTO TABLE @DATA(IT_SITAGCYCDCHOICEMODELDATA2).
*--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_SITAGCYCDCHOICEMODELDATA INDEX 1 INTO DATA(WA_SITAGCYCDCHOICEMODELDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SITAGCYCDCHOICEMODELDATA>-AUTHORITY = 1.
<SITAGCYCDCHOICEMODELDATA>-XSELECT = 1.
<SITAGCYCDCHOICEMODELDATA>-XOPEN = 1.
<SITAGCYCDCHOICEMODELDATA>-XCLOSE = 1.
<SITAGCYCDCHOICEMODELDATA>-XCREATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SITAGCYCDCHOICEMODELDATA-XCHANGE, sy-vline,
  WA_SITAGCYCDCHOICEMODELDATA-XDELETE, sy-vline,
  WA_SITAGCYCDCHOICEMODELDATA-XADMIN, sy-vline,
  WA_SITAGCYCDCHOICEMODELDATA-XDEPOSIT, sy-vline,
  WA_SITAGCYCDCHOICEMODELDATA-XDIFFERENCE, sy-vline,
  WA_SITAGCYCDCHOICEMODELDATA-XWITHDRAWAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SITAGCYCDCHOICEMODELDATA 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_SITAGCYCDCHOICEMODELDATA 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_SITAGCYCDCHOICEMODELDATA INTO WA_SITAGCYCDCHOICEMODELDATA.


*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_SITAGCYCDCHOICEMODELDATA_STR, 
AUTHORITY TYPE STRING,
XSELECT TYPE STRING,
XOPEN TYPE STRING,
XCLOSE TYPE STRING,
XCREATE TYPE STRING,
XCHANGE TYPE STRING,
XDELETE TYPE STRING,
XADMIN TYPE STRING,
XDEPOSIT TYPE STRING,
XDIFFERENCE TYPE STRING,
XWITHDRAWAL TYPE STRING,
XOVERVIEW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SITAGCYCDCHOICEMODELDATA_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_SITAGCYCDCHOICEMODELDATA_STR-AUTHORITY sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XSELECT sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XOPEN sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XCLOSE sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XCREATE sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XCHANGE sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XDELETE sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XADMIN sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XDEPOSIT sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XDIFFERENCE sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XWITHDRAWAL sy-vline 
WA_SITAGCYCDCHOICEMODELDATA_STR-XOVERVIEW sy-vline      INTO ld_text SEPARATED BY SPACE.

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