ABAP Select data from SAP table FC01LMDLB0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FC01LMDLB0 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 FC01LMDLB0. 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 FC01LMDLB0 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_FC01LMDLB0 TYPE STANDARD TABLE OF FC01LMDLB0,
      WA_FC01LMDLB0 TYPE FC01LMDLB0,
      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: <FC01LMDLB0> TYPE FC01LMDLB0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FC01LMDLB0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FC01LMDLB0
  INTO TABLE IT_FC01LMDLB0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FC01LMDLB0
*  INTO TABLE @DATA(IT_FC01LMDLB02).
*--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_FC01LMDLB0 INDEX 1 INTO DATA(WA_FC01LMDLB02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FC01LMDLB0 ASSIGNING <FC01LMDLB0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FC01LMDLB0>-RVERS = 1.
<FC01LMDLB0>-TXT = 1.
<FC01LMDLB0>-DBSVS = 1.
<FC01LMDLB0>-BCFIND = 1.
<FC01LMDLB0>-OVRRD = 1.

ENDLOOP.

LOOP AT IT_FC01LMDLB0 INTO WA_FC01LMDLB0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FC01LMDLB0-OVRCE, sy-vline,
  WA_FC01LMDLB0-CPYRD, sy-vline,
  WA_FC01LMDLB0-CPYCE, sy-vline,
  WA_FC01LMDLB0-STRVS, sy-vline,
  WA_FC01LMDLB0-TXT_STRVS, sy-vline,
  WA_FC01LMDLB0-DSTVS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FC01LMDLB0 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_FC01LMDLB0 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_FC01LMDLB0 INTO WA_FC01LMDLB0.


*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 RVERS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-RVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-RVERS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DBSVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-DBSVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-DBSVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STRVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-STRVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-STRVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DSTVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-DSTVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-DSTVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INPVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-INPVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-INPVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CTRVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-CTRVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-CTRVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CURVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-CURVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-CURVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LDRVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-LDRVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-LDRVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FIXVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-FIXVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-FIXVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TAXVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-TAXVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-TAXVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COIVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-COIVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-COIVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-INVVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-INVVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-EQUVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-EQUVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HIRVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-HIRVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-HIRVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RHRVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-RHRVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-RHRVS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RCLVS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDLB0-RCLVS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDLB0-RCLVS.
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_FC01LMDLB0_STR, 
RVERS TYPE STRING,
TXT TYPE STRING,
DBSVS TYPE STRING,
BCFIND TYPE STRING,
OVRRD TYPE STRING,
OVRCE TYPE STRING,
CPYRD TYPE STRING,
CPYCE TYPE STRING,
STRVS TYPE STRING,
TXT_STRVS TYPE STRING,
DSTVS TYPE STRING,
INPVS TYPE STRING,
TXT_INPVS TYPE STRING,
CTRVS TYPE STRING,
TXT_CTRVS TYPE STRING,
CURVS TYPE STRING,
TXT_CURVS TYPE STRING,
LDRVS TYPE STRING,
TXT_LDRVS TYPE STRING,
FIXVS TYPE STRING,
TXT_FIXVS TYPE STRING,
TAXVS TYPE STRING,
TXT_TAXVS TYPE STRING,
COIVS TYPE STRING,
TXT_COIVS TYPE STRING,
INVVS TYPE STRING,
TXT_INVVS TYPE STRING,
EQUVS TYPE STRING,
TXT_EQUVS TYPE STRING,
HIRVS TYPE STRING,
TXT_HIRVS TYPE STRING,
RHRVS TYPE STRING,
TXT_RHRVS TYPE STRING,
RCLVS TYPE STRING,
TXT_RCLVS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FC01LMDLB0_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_FC01LMDLB0_STR-RVERS sy-vline 
WA_FC01LMDLB0_STR-TXT sy-vline 
WA_FC01LMDLB0_STR-DBSVS sy-vline 
WA_FC01LMDLB0_STR-BCFIND sy-vline 
WA_FC01LMDLB0_STR-OVRRD sy-vline 
WA_FC01LMDLB0_STR-OVRCE sy-vline 
WA_FC01LMDLB0_STR-CPYRD sy-vline 
WA_FC01LMDLB0_STR-CPYCE sy-vline 
WA_FC01LMDLB0_STR-STRVS sy-vline 
WA_FC01LMDLB0_STR-TXT_STRVS sy-vline 
WA_FC01LMDLB0_STR-DSTVS sy-vline 
WA_FC01LMDLB0_STR-INPVS sy-vline 
WA_FC01LMDLB0_STR-TXT_INPVS sy-vline 
WA_FC01LMDLB0_STR-CTRVS sy-vline 
WA_FC01LMDLB0_STR-TXT_CTRVS sy-vline 
WA_FC01LMDLB0_STR-CURVS sy-vline 
WA_FC01LMDLB0_STR-TXT_CURVS sy-vline 
WA_FC01LMDLB0_STR-LDRVS sy-vline 
WA_FC01LMDLB0_STR-TXT_LDRVS sy-vline 
WA_FC01LMDLB0_STR-FIXVS sy-vline 
WA_FC01LMDLB0_STR-TXT_FIXVS sy-vline 
WA_FC01LMDLB0_STR-TAXVS sy-vline 
WA_FC01LMDLB0_STR-TXT_TAXVS sy-vline 
WA_FC01LMDLB0_STR-COIVS sy-vline 
WA_FC01LMDLB0_STR-TXT_COIVS sy-vline 
WA_FC01LMDLB0_STR-INVVS sy-vline 
WA_FC01LMDLB0_STR-TXT_INVVS sy-vline 
WA_FC01LMDLB0_STR-EQUVS sy-vline 
WA_FC01LMDLB0_STR-TXT_EQUVS sy-vline 
WA_FC01LMDLB0_STR-HIRVS sy-vline 
WA_FC01LMDLB0_STR-TXT_HIRVS sy-vline 
WA_FC01LMDLB0_STR-RHRVS sy-vline 
WA_FC01LMDLB0_STR-TXT_RHRVS sy-vline 
WA_FC01LMDLB0_STR-RCLVS sy-vline 
WA_FC01LMDLB0_STR-TXT_RCLVS sy-vline      INTO ld_text SEPARATED BY SPACE.

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