ABAP Select data from SAP table CMX_XSE_W_COMMAND_CUSTOM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMX_XSE_W_COMMAND_CUSTOM
*  INTO TABLE @DATA(IT_CMX_XSE_W_COMMAND_CUSTOM2).
*--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_CMX_XSE_W_COMMAND_CUSTOM INDEX 1 INTO DATA(WA_CMX_XSE_W_COMMAND_CUSTOM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMX_XSE_W_COMMAND_CUSTOM>-CC_01 = 1.
<CMX_XSE_W_COMMAND_CUSTOM>-TEXT = 1.
<CMX_XSE_W_COMMAND_CUSTOM>-ICON_ID = 1.
<CMX_XSE_W_COMMAND_CUSTOM>-ICON_TEXT = 1.
<CMX_XSE_W_COMMAND_CUSTOM>-QUICKINFO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMX_XSE_W_COMMAND_CUSTOM-PATH, sy-vline,
  WA_CMX_XSE_W_COMMAND_CUSTOM-CC_02, sy-vline,
  WA_CMX_XSE_W_COMMAND_CUSTOM-TEXT, sy-vline,
  WA_CMX_XSE_W_COMMAND_CUSTOM-ICON_ID, sy-vline,
  WA_CMX_XSE_W_COMMAND_CUSTOM-ICON_TEXT, sy-vline,
  WA_CMX_XSE_W_COMMAND_CUSTOM-QUICKINFO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMX_XSE_W_COMMAND_CUSTOM 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_CMX_XSE_W_COMMAND_CUSTOM 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_CMX_XSE_W_COMMAND_CUSTOM INTO WA_CMX_XSE_W_COMMAND_CUSTOM.


*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_CMX_XSE_W_COMMAND_CUSTOM_STR, 
CC_01 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_02 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_03 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_04 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_05 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_06 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_07 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_08 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_09 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_10 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_11 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,
CC_12 TYPE STRING,
TEXT TYPE STRING,
ICON_ID TYPE STRING,
ICON_TEXT TYPE STRING,
QUICKINFO TYPE STRING,
PATH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMX_XSE_W_COMMAND_CUSTOM_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_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_01 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_02 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_03 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_04 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_05 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_06 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_07 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_08 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_09 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_10 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_11 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-CC_12 sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_ID sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-ICON_TEXT sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-QUICKINFO sy-vline 
WA_CMX_XSE_W_COMMAND_CUSTOM_STR-PATH sy-vline      INTO ld_text SEPARATED BY SPACE.

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