ABAP Select data from SAP table /SAPTRX/BAPI_EVM_DISP_LID into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPTRX/BAPI_EVM_DISP_LID 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 /SAPTRX/BAPI_EVM_DISP_LID. 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 /SAPTRX/BAPI_EVM_DISP_LID 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_/SAPTRX/BAPI_EVM_DISP_LID TYPE STANDARD TABLE OF /SAPTRX/BAPI_EVM_DISP_LID,
      WA_/SAPTRX/BAPI_EVM_DISP_LID TYPE /SAPTRX/BAPI_EVM_DISP_LID,
      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: </SAPTRX/BAPI_EVM_DISP_LID> TYPE /SAPTRX/BAPI_EVM_DISP_LID.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPTRX/BAPI_EVM_DISP_LID
  INTO TABLE IT_/SAPTRX/BAPI_EVM_DISP_LID.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPTRX/BAPI_EVM_DISP_LID
*  INTO TABLE @DATA(IT_/SAPTRX/BAPI_EVM_DISP_LID2).
*--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_/SAPTRX/BAPI_EVM_DISP_LID INDEX 1 INTO DATA(WA_/SAPTRX/BAPI_EVM_DISP_LID2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPTRX/BAPI_EVM_DISP_LID ASSIGNING </SAPTRX/BAPI_EVM_DISP_LID>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPTRX/BAPI_EVM_DISP_LID>-EVT_GUID = 1.
</SAPTRX/BAPI_EVM_DISP_LID>-SEQ_NUM = 1.
</SAPTRX/BAPI_EVM_DISP_LID>-LEADID = 1.
</SAPTRX/BAPI_EVM_DISP_LID>-LOCCAT = 1.
</SAPTRX/BAPI_EVM_DISP_LID>-LOCCOD = 1.

ENDLOOP.

LOOP AT IT_/SAPTRX/BAPI_EVM_DISP_LID INTO WA_/SAPTRX/BAPI_EVM_DISP_LID.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPTRX/BAPI_EVM_DISP_LID-LOCID1, sy-vline,
  WA_/SAPTRX/BAPI_EVM_DISP_LID-LOCID2, sy-vline,
  WA_/SAPTRX/BAPI_EVM_DISP_LID-LOCNAM, sy-vline,
  WA_/SAPTRX/BAPI_EVM_DISP_LID-LOCZON, sy-vline,
  WA_/SAPTRX/BAPI_EVM_DISP_LID-ROUTYP, sy-vline,
  WA_/SAPTRX/BAPI_EVM_DISP_LID-ROUTID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPTRX/BAPI_EVM_DISP_LID 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_/SAPTRX/BAPI_EVM_DISP_LID 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_/SAPTRX/BAPI_EVM_DISP_LID INTO WA_/SAPTRX/BAPI_EVM_DISP_LID.


*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 CUNIT, internal->external for field LCDUNT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPTRX/BAPI_EVM_DISP_LID-LCDUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPTRX/BAPI_EVM_DISP_LID-LCDUNT.
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_/SAPTRX/BAPI_EVM_DISP_LID_STR, 
EVT_GUID TYPE STRING,
SEQ_NUM TYPE STRING,
LEADID TYPE STRING,
LOCCAT TYPE STRING,
LOCCOD TYPE STRING,
LOCID1 TYPE STRING,
LOCID2 TYPE STRING,
LOCNAM TYPE STRING,
LOCZON TYPE STRING,
ROUTYP TYPE STRING,
ROUTID TYPE STRING,
LCDESC TYPE STRING,
LCDRFP TYPE STRING,
LCDDST TYPE STRING,
LCDUNT TYPE STRING,
LCDDIR TYPE STRING,
LCDRFT TYPE STRING,
ADDRESS_T TYPE STRING,
JURISDIC TYPE STRING,
LANGUAGE TYPE STRING,
FORMOFADDR TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
NAME_TEXT TYPE STRING,
NAME_CO TYPE STRING,
LOCATION TYPE STRING,
BUILDING TYPE STRING,
FLOOR TYPE STRING,
ROOM TYPE STRING,
STREET1 TYPE STRING,
STREET2 TYPE STRING,
STREET3 TYPE STRING,
HOUSE_SUPL TYPE STRING,
HOUSE_RANG TYPE STRING,
POSTL_COD1 TYPE STRING,
POSTL_COD3 TYPE STRING,
POSTL_AREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPTRX/BAPI_EVM_DISP_LID_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_/SAPTRX/BAPI_EVM_DISP_LID_STR-EVT_GUID sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-SEQ_NUM sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LEADID sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LOCCAT sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LOCCOD sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LOCID1 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LOCID2 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LOCNAM sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LOCZON sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-ROUTYP sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-ROUTID sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LCDESC sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LCDRFP sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LCDDST sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LCDUNT sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LCDDIR sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LCDRFT sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-ADDRESS_T sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-JURISDIC sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LANGUAGE sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-FORMOFADDR sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-NAME1 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-NAME2 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-NAME3 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-NAME4 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-NAME_TEXT sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-NAME_CO sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-LOCATION sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-BUILDING sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-FLOOR sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-ROOM sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-STREET1 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-STREET2 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-STREET3 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-HOUSE_SUPL sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-HOUSE_RANG sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-POSTL_COD1 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-POSTL_COD3 sy-vline 
WA_/SAPTRX/BAPI_EVM_DISP_LID_STR-POSTL_AREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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