ABAP Select data from SAP table CCRCS_CU_LIST_MFLE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCRCS_CU_LIST_MFLE
*  INTO TABLE @DATA(IT_CCRCS_CU_LIST_MFLE2).
*--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_CCRCS_CU_LIST_MFLE INDEX 1 INTO DATA(WA_CCRCS_CU_LIST_MFLE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCRCS_CU_LIST_MFLE>-ERRORMODE = 1.
<CCRCS_CU_LIST_MFLE>-ERRORINFO = 1.
<CCRCS_CU_LIST_MFLE>-ERRORCLASS = 1.
<CCRCS_CU_LIST_MFLE>-ERRORPARAM = 1.
<CCRCS_CU_LIST_MFLE>-LOGLOCKMOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCRCS_CU_LIST_MFLE-EXTINFO, sy-vline,
  WA_CCRCS_CU_LIST_MFLE-LINEMOD, sy-vline,
  WA_CCRCS_CU_LIST_MFLE-MANDT, sy-vline,
  WA_CCRCS_CU_LIST_MFLE-RECN, sy-vline,
  WA_CCRCS_CU_LIST_MFLE-REG, sy-vline,
  WA_CCRCS_CU_LIST_MFLE-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCRCS_CU_LIST_MFLE 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_CCRCS_CU_LIST_MFLE 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_CCRCS_CU_LIST_MFLE INTO WA_CCRCS_CU_LIST_MFLE.


*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 RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCRCS_CU_LIST_MFLE-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRCS_CU_LIST_MFLE-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_CCRCS_CU_LIST_MFLE-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRCS_CU_LIST_MFLE-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPEC1, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_CCRCS_CU_LIST_MFLE-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRCS_CU_LIST_MFLE-SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPEC1, internal->external for field TRACK_SUBST
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_CCRCS_CU_LIST_MFLE-TRACK_SUBST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRCS_CU_LIST_MFLE-TRACK_SUBST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCRCS_CU_LIST_MFLE-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRCS_CU_LIST_MFLE-UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM_LIMIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CCRCS_CU_LIST_MFLE-UOM_LIMIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRCS_CU_LIST_MFLE-UOM_LIMIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CCRCS_CU_LIST_MFLE-MATNR_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCRCS_CU_LIST_MFLE-MATNR_LONG.
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_CCRCS_CU_LIST_MFLE_STR, 
ERRORMODE TYPE STRING,
ERRORINFO TYPE STRING,
ERRORCLASS TYPE STRING,
ERRORPARAM TYPE STRING,
LOGLOCKMOD TYPE STRING,
EXTINFO TYPE STRING,
LINEMOD TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
REG TYPE STRING,
BUKRS TYPE STRING,
TYEAR TYPE STRING,
PERIOD TYPE STRING,
MATNR TYPE STRING,
SUBID TYPE STRING,
TRACK_SUBST TYPE STRING,
OR_INT TYPE STRING,
OR_EXT TYPE STRING,
REG_NUMBER TYPE STRING,
IDENT_1 TYPE STRING,
IDENT_2 TYPE STRING,
IDENT_3 TYPE STRING,
BUTXT TYPE STRING,
OR_INT_DESCR TYPE STRING,
OR_EXT_DESCR TYPE STRING,
AMOUNT TYPE STRING,
UOM TYPE STRING,
AMOUNT_LIMIT TYPE STRING,
AMOUNT_LIMIT_BAND TYPE STRING,
UOM_LIMIT TYPE STRING,
CUSTOMER_TAB TYPE STRING,
MATNR_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCRCS_CU_LIST_MFLE_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_CCRCS_CU_LIST_MFLE_STR-ERRORMODE sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-ERRORINFO sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-ERRORCLASS sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-ERRORPARAM sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-LOGLOCKMOD sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-EXTINFO sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-LINEMOD sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-MANDT sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-RECN sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-REG sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-BUKRS sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-TYEAR sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-PERIOD sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-MATNR sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-SUBID sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-TRACK_SUBST sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-OR_INT sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-OR_EXT sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-REG_NUMBER sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-IDENT_1 sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-IDENT_2 sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-IDENT_3 sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-BUTXT sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-OR_INT_DESCR sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-OR_EXT_DESCR sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-AMOUNT sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-UOM sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-AMOUNT_LIMIT sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-AMOUNT_LIMIT_BAND sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-UOM_LIMIT sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-CUSTOMER_TAB sy-vline 
WA_CCRCS_CU_LIST_MFLE_STR-MATNR_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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