ABAP Select data from SAP table CRMT_ISUIDEAM_COM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_ISUIDEAM_COM
*  INTO TABLE @DATA(IT_CRMT_ISUIDEAM_COM2).
*--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_CRMT_ISUIDEAM_COM INDEX 1 INTO DATA(WA_CRMT_ISUIDEAM_COM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_ISUIDEAM_COM>-REF_GUID = 1.
<CRMT_ISUIDEAM_COM>-REF_KIND = 1.
<CRMT_ISUIDEAM_COM>-REF_HANDLE = 1.
<CRMT_ISUIDEAM_COM>-HANDLE = 1.
<CRMT_ISUIDEAM_COM>-RECORD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_ISUIDEAM_COM-MODE, sy-vline,
  WA_CRMT_ISUIDEAM_COM-AMLOGRECORD, sy-vline,
  WA_CRMT_ISUIDEAM_COM-AMSWTCTYPE, sy-vline,
  WA_CRMT_ISUIDEAM_COM-AMSWTCDOC, sy-vline,
  WA_CRMT_ISUIDEAM_COM-AMSWTCMSG, sy-vline,
  WA_CRMT_ISUIDEAM_COM-AMTIMESTAMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_ISUIDEAM_COM 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_CRMT_ISUIDEAM_COM 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_CRMT_ISUIDEAM_COM INTO WA_CRMT_ISUIDEAM_COM.


*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_CRMT_ISUIDEAM_COM_STR, 
REF_GUID TYPE STRING,
REF_KIND TYPE STRING,
REF_HANDLE TYPE STRING,
HANDLE TYPE STRING,
RECORD TYPE STRING,
MODE TYPE STRING,
AMLOGRECORD TYPE STRING,
AMSWTCTYPE TYPE STRING,
AMSWTCDOC TYPE STRING,
AMSWTCMSG TYPE STRING,
AMTIMESTAMP TYPE STRING,
AMSWTCSTATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_ISUIDEAM_COM_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_CRMT_ISUIDEAM_COM_STR-REF_GUID sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-REF_KIND sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-REF_HANDLE sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-HANDLE sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-RECORD sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-MODE sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-AMLOGRECORD sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-AMSWTCTYPE sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-AMSWTCDOC sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-AMSWTCMSG sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-AMTIMESTAMP sy-vline 
WA_CRMT_ISUIDEAM_COM_STR-AMSWTCSTATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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