ABAP Select data from SAP table CRMS_MIMC_INB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS_MIMC_INB
*  INTO TABLE @DATA(IT_CRMS_MIMC_INB2).
*--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_CRMS_MIMC_INB INDEX 1 INTO DATA(WA_CRMS_MIMC_INB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS_MIMC_INB>-CLIENT = 1.
<CRMS_MIMC_INB>-WCNT_ID = 1.
<CRMS_MIMC_INB>-WCNT_PATH = 1.
<CRMS_MIMC_INB>-WCNT_SERVER = 1.
<CRMS_MIMC_INB>-WCNT_PORT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS_MIMC_INB-WCNT_PROTOCOL, sy-vline,
  WA_CRMS_MIMC_INB-WCNT_CLIENT, sy-vline,
  WA_CRMS_MIMC_INB-BUSINESS_ROLE, sy-vline,
  WA_CRMS_MIMC_INB-RFC_INBOX, sy-vline,
  WA_CRMS_MIMC_INB-DNIS_ID, sy-vline,
  WA_CRMS_MIMC_INB-CONN_STATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS_MIMC_INB 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_CRMS_MIMC_INB 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_CRMS_MIMC_INB INTO WA_CRMS_MIMC_INB.


*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_CRMS_MIMC_INB_STR, 
CLIENT TYPE STRING,
WCNT_ID TYPE STRING,
WCNT_PATH TYPE STRING,
WCNT_SERVER TYPE STRING,
WCNT_PORT TYPE STRING,
WCNT_PROTOCOL TYPE STRING,
WCNT_CLIENT TYPE STRING,
BUSINESS_ROLE TYPE STRING,
RFC_INBOX TYPE STRING,
DNIS_ID TYPE STRING,
CONN_STATUS TYPE STRING,
WCNT_DESC TYPE STRING,
WCNT_SYSTEM TYPE STRING,
INBOX_ITEMS TYPE STRING,
INBOX_PROFILE TYPE STRING,
INBOX_ITEMS_STR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS_MIMC_INB_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_CRMS_MIMC_INB_STR-CLIENT sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_ID sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_PATH sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_SERVER sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_PORT sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_PROTOCOL sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_CLIENT sy-vline 
WA_CRMS_MIMC_INB_STR-BUSINESS_ROLE sy-vline 
WA_CRMS_MIMC_INB_STR-RFC_INBOX sy-vline 
WA_CRMS_MIMC_INB_STR-DNIS_ID sy-vline 
WA_CRMS_MIMC_INB_STR-CONN_STATUS sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_DESC sy-vline 
WA_CRMS_MIMC_INB_STR-WCNT_SYSTEM sy-vline 
WA_CRMS_MIMC_INB_STR-INBOX_ITEMS sy-vline 
WA_CRMS_MIMC_INB_STR-INBOX_PROFILE sy-vline 
WA_CRMS_MIMC_INB_STR-INBOX_ITEMS_STR sy-vline      INTO ld_text SEPARATED BY SPACE.

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