ABAP Select data from SAP table CMCB_S_CONSM_LIST_UI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMCB_S_CONSM_LIST_UI
*  INTO TABLE @DATA(IT_CMCB_S_CONSM_LIST_UI2).
*--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_CMCB_S_CONSM_LIST_UI INDEX 1 INTO DATA(WA_CMCB_S_CONSM_LIST_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMCB_S_CONSM_LIST_UI>-LIQ_ITEM = 1.
<CMCB_S_CONSM_LIST_UI>-LIQ_ITEM_NAME = 1.
<CMCB_S_CONSM_LIST_UI>-VENDOR = 1.
<CMCB_S_CONSM_LIST_UI>-CUSTOMER = 1.
<CMCB_S_CONSM_LIST_UI>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMCB_S_CONSM_LIST_UI-FIS_YEAR, sy-vline,
  WA_CMCB_S_CONSM_LIST_UI-CB_AREA, sy-vline,
  WA_CMCB_S_CONSM_LIST_UI-CYCLE_ID, sy-vline,
  WA_CMCB_S_CONSM_LIST_UI-UNIT_ID, sy-vline,
  WA_CMCB_S_CONSM_LIST_UI-UNIT_DESC, sy-vline,
  WA_CMCB_S_CONSM_LIST_UI-PAYMENT_DOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMCB_S_CONSM_LIST_UI 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_CMCB_S_CONSM_LIST_UI 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_CMCB_S_CONSM_LIST_UI INTO WA_CMCB_S_CONSM_LIST_UI.


*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.

*Conversion exit ALPHA, internal->external for field LIQ_ITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-LIQ_ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-LIQ_ITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VENDOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-VENDOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FIS_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-FIS_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-FIS_YEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CYCLE_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-CYCLE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-CYCLE_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYMENT_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-PAYMENT_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-PAYMENT_DOC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-DOC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-DOC_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field AMT_USED_TRANS
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-AMT_USED_TRANS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-AMT_USED_TRANS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field AMT_RESERVED_TRANS
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSM_LIST_UI-AMT_RESERVED_TRANS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSM_LIST_UI-AMT_RESERVED_TRANS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CMCB_S_CONSM_LIST_UI_STR, 
LIQ_ITEM TYPE STRING,
LIQ_ITEM_NAME TYPE STRING,
VENDOR TYPE STRING,
CUSTOMER TYPE STRING,
BUKRS TYPE STRING,
FIS_YEAR TYPE STRING,
CB_AREA TYPE STRING,
CYCLE_ID TYPE STRING,
UNIT_ID TYPE STRING,
UNIT_DESC TYPE STRING,
PAYMENT_DOC TYPE STRING,
PAYMENT_ITEM TYPE STRING,
DOC_NO TYPE STRING,
ITEM_NO TYPE STRING,
BUDAT TYPE STRING,
AMT_USED_TRANS TYPE STRING,
AMT_RESERVED_TRANS TYPE STRING,
WAERS TYPE STRING,
VENDOR_DESC TYPE STRING,
CUSTOMER_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMCB_S_CONSM_LIST_UI_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_CMCB_S_CONSM_LIST_UI_STR-LIQ_ITEM sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-LIQ_ITEM_NAME sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-VENDOR sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-CUSTOMER sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-BUKRS sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-FIS_YEAR sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-CB_AREA sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-CYCLE_ID sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-UNIT_ID sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-UNIT_DESC sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-PAYMENT_DOC sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-PAYMENT_ITEM sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-DOC_NO sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-ITEM_NO sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-BUDAT sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-AMT_USED_TRANS sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-AMT_RESERVED_TRANS sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-WAERS sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-VENDOR_DESC sy-vline 
WA_CMCB_S_CONSM_LIST_UI_STR-CUSTOMER_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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