ABAP Select data from SAP table WSAM_SHMAE_UI_INT_CONTROL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WSAM_SHMAE_UI_INT_CONTROL
*  INTO TABLE @DATA(IT_WSAM_SHMAE_UI_INT_CONTROL2).
*--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_WSAM_SHMAE_UI_INT_CONTROL INDEX 1 INTO DATA(WA_WSAM_SHMAE_UI_INT_CONTROL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WSAM_SHMAE_UI_INT_CONTROL>-FCODE = 1.
<WSAM_SHMAE_UI_INT_CONTROL>-IS_UCOMM = 1.
<WSAM_SHMAE_UI_INT_CONTROL>-CALL_NUMBER = 1.
<WSAM_SHMAE_UI_INT_CONTROL>-LEAVE = 1.
<WSAM_SHMAE_UI_INT_CONTROL>-DATE_ATP_CHECK_CHAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WSAM_SHMAE_UI_INT_CONTROL-USE_SAPGUI, sy-vline,
  WA_WSAM_SHMAE_UI_INT_CONTROL-INDEX_T_ITEM, sy-vline,
  WA_WSAM_SHMAE_UI_INT_CONTROL-APPL_TEXT, sy-vline,
  WA_WSAM_SHMAE_UI_INT_CONTROL-OWN_PLT_NAME, sy-vline,
  WA_WSAM_SHMAE_UI_INT_CONTROL-HEADER_LINES, sy-vline,
  WA_WSAM_SHMAE_UI_INT_CONTROL-SCROLLTOP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WSAM_SHMAE_UI_INT_CONTROL 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_WSAM_SHMAE_UI_INT_CONTROL 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_WSAM_SHMAE_UI_INT_CONTROL INTO WA_WSAM_SHMAE_UI_INT_CONTROL.


*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_WSAM_SHMAE_UI_INT_CONTROL_STR, 
FCODE TYPE STRING,
IS_UCOMM TYPE STRING,
CALL_NUMBER TYPE STRING,
LEAVE TYPE STRING,
DATE_ATP_CHECK_CHAR TYPE STRING,
USE_SAPGUI TYPE STRING,
INDEX_T_ITEM TYPE STRING,
APPL_TEXT TYPE STRING,
OWN_PLT_NAME TYPE STRING,
HEADER_LINES TYPE STRING,
SCROLLTOP TYPE STRING,
PARAMETER TYPE STRING,
ROW TYPE STRING,
FIELD TYPE STRING,
NUM_PLANTS TYPE STRING,
NUM_ITEMS TYPE STRING,
SHOW_PLANT_CRIT TYPE STRING,
SHOW_CONTROL_CRIT TYPE STRING,
PLANT TYPE STRING,
SCROLL_TO_TOP TYPE STRING,
USE_PAGE_SIZE TYPE STRING,
HIDE_CRITERIA TYPE STRING,
SHOW_PP_COL TYPE STRING,
ENTER_QUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WSAM_SHMAE_UI_INT_CONTROL_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_WSAM_SHMAE_UI_INT_CONTROL_STR-FCODE sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-IS_UCOMM sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-CALL_NUMBER sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-LEAVE sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-DATE_ATP_CHECK_CHAR sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-USE_SAPGUI sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-INDEX_T_ITEM sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-APPL_TEXT sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-OWN_PLT_NAME sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-HEADER_LINES sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-SCROLLTOP sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-PARAMETER sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-ROW sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-FIELD sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-NUM_PLANTS sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-NUM_ITEMS sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-SHOW_PLANT_CRIT sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-SHOW_CONTROL_CRIT sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-PLANT sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-SCROLL_TO_TOP sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-USE_PAGE_SIZE sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-HIDE_CRITERIA sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-SHOW_PP_COL sy-vline 
WA_WSAM_SHMAE_UI_INT_CONTROL_STR-ENTER_QUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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