ABAP Select data from SAP table LECI_TRA_DYN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LECI_TRA_DYN
*  INTO TABLE @DATA(IT_LECI_TRA_DYN2).
*--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_LECI_TRA_DYN INDEX 1 INTO DATA(WA_LECI_TRA_DYN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LECI_TRA_DYN>-PASS_NUMB = 1.
<LECI_TRA_DYN>-CHK_POINT_IN = 1.
<LECI_TRA_DYN>-CHK_POINT_IN_TXT = 1.
<LECI_TRA_DYN>-CHK_POINT_OUT = 1.
<LECI_TRA_DYN>-CHK_POINT_OUT_TXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LECI_TRA_DYN-SHPMNT_NUMB, sy-vline,
  WA_LECI_TRA_DYN-DELIV_NUMB, sy-vline,
  WA_LECI_TRA_DYN-PASS_DATE, sy-vline,
  WA_LECI_TRA_DYN-PASS_TIME, sy-vline,
  WA_LECI_TRA_DYN-LEAVE_DATE, sy-vline,
  WA_LECI_TRA_DYN-LEAVE_TIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LECI_TRA_DYN 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_LECI_TRA_DYN 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_LECI_TRA_DYN INTO WA_LECI_TRA_DYN.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CONT_REG_NUMB1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LECI_TRA_DYN-CONT_REG_NUMB1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LECI_TRA_DYN-CONT_REG_NUMB1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONT_REG_NUMB2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LECI_TRA_DYN-CONT_REG_NUMB2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LECI_TRA_DYN-CONT_REG_NUMB2.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field UNIT_OF_WGHT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LECI_TRA_DYN-UNIT_OF_WGHT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LECI_TRA_DYN-UNIT_OF_WGHT.
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_LECI_TRA_DYN_STR, 
PASS_NUMB TYPE STRING,
CHK_POINT_IN TYPE STRING,
CHK_POINT_IN_TXT TYPE STRING,
CHK_POINT_OUT TYPE STRING,
CHK_POINT_OUT_TXT TYPE STRING,
SHPMNT_NUMB TYPE STRING,
DELIV_NUMB TYPE STRING,
PASS_DATE TYPE STRING,
PASS_TIME TYPE STRING,
LEAVE_DATE TYPE STRING,
LEAVE_TIME TYPE STRING,
VEHICLE_REG_NUMB TYPE STRING,
TRAILER_REG_NUMB TYPE STRING,
CONT_REG_NUMB1 TYPE STRING,
CONT_REG_NUMB2 TYPE STRING,
VEND_NUMB TYPE STRING,
VEND_TXT TYPE STRING,
NAME_DRVR TYPE STRING,
FST_NAME_DRVR TYPE STRING,
NAME_CODRVR TYPE STRING,
FST_NAME_CODRVR TYPE STRING,
NAT_DRVR TYPE STRING,
CARD_NUMB TYPE STRING,
NOTE_TXT_IN TYPE STRING,
NOTE_TXT_OUT TYPE STRING,
ALLOWED_WGHT TYPE STRING,
UNIT_OF_WGHT TYPE STRING,
PARKING_TXT TYPE STRING,
CARGO_TXT TYPE STRING,
STAGING_AREA TYPE STRING,
SHP_POINT TYPE STRING,
WHS_NUMB TYPE STRING,
WHS_GATE TYPE STRING,
ID_CARD_NUMB TYPE STRING,
TAKER_IN TYPE STRING,
TAKER_IN_FIRST_NAME TYPE STRING,
TAKER_IN_TITLE TYPE STRING,
TAKER_OUT TYPE STRING,
TAKER_OUT_FIRST_NAME TYPE STRING,
TAKER_OUT_TITLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LECI_TRA_DYN_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_LECI_TRA_DYN_STR-PASS_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-CHK_POINT_IN sy-vline 
WA_LECI_TRA_DYN_STR-CHK_POINT_IN_TXT sy-vline 
WA_LECI_TRA_DYN_STR-CHK_POINT_OUT sy-vline 
WA_LECI_TRA_DYN_STR-CHK_POINT_OUT_TXT sy-vline 
WA_LECI_TRA_DYN_STR-SHPMNT_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-DELIV_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-PASS_DATE sy-vline 
WA_LECI_TRA_DYN_STR-PASS_TIME sy-vline 
WA_LECI_TRA_DYN_STR-LEAVE_DATE sy-vline 
WA_LECI_TRA_DYN_STR-LEAVE_TIME sy-vline 
WA_LECI_TRA_DYN_STR-VEHICLE_REG_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-TRAILER_REG_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-CONT_REG_NUMB1 sy-vline 
WA_LECI_TRA_DYN_STR-CONT_REG_NUMB2 sy-vline 
WA_LECI_TRA_DYN_STR-VEND_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-VEND_TXT sy-vline 
WA_LECI_TRA_DYN_STR-NAME_DRVR sy-vline 
WA_LECI_TRA_DYN_STR-FST_NAME_DRVR sy-vline 
WA_LECI_TRA_DYN_STR-NAME_CODRVR sy-vline 
WA_LECI_TRA_DYN_STR-FST_NAME_CODRVR sy-vline 
WA_LECI_TRA_DYN_STR-NAT_DRVR sy-vline 
WA_LECI_TRA_DYN_STR-CARD_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-NOTE_TXT_IN sy-vline 
WA_LECI_TRA_DYN_STR-NOTE_TXT_OUT sy-vline 
WA_LECI_TRA_DYN_STR-ALLOWED_WGHT sy-vline 
WA_LECI_TRA_DYN_STR-UNIT_OF_WGHT sy-vline 
WA_LECI_TRA_DYN_STR-PARKING_TXT sy-vline 
WA_LECI_TRA_DYN_STR-CARGO_TXT sy-vline 
WA_LECI_TRA_DYN_STR-STAGING_AREA sy-vline 
WA_LECI_TRA_DYN_STR-SHP_POINT sy-vline 
WA_LECI_TRA_DYN_STR-WHS_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-WHS_GATE sy-vline 
WA_LECI_TRA_DYN_STR-ID_CARD_NUMB sy-vline 
WA_LECI_TRA_DYN_STR-TAKER_IN sy-vline 
WA_LECI_TRA_DYN_STR-TAKER_IN_FIRST_NAME sy-vline 
WA_LECI_TRA_DYN_STR-TAKER_IN_TITLE sy-vline 
WA_LECI_TRA_DYN_STR-TAKER_OUT sy-vline 
WA_LECI_TRA_DYN_STR-TAKER_OUT_FIRST_NAME sy-vline 
WA_LECI_TRA_DYN_STR-TAKER_OUT_TITLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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