ABAP Select data from SAP table LIME_EXTDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LIME_EXTDATA
*  INTO TABLE @DATA(IT_LIME_EXTDATA2).
*--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_LIME_EXTDATA INDEX 1 INTO DATA(WA_LIME_EXTDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LIME_EXTDATA>-MANDT = 1.
<LIME_EXTDATA>-MBLNR = 1.
<LIME_EXTDATA>-MJAHR = 1.
<LIME_EXTDATA>-LINE_ID = 1.
<LIME_EXTDATA>-ZEILE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LIME_EXTDATA-MATNR, sy-vline,
  WA_LIME_EXTDATA-BWART, sy-vline,
  WA_LIME_EXTDATA-WERKS, sy-vline,
  WA_LIME_EXTDATA-LGORT, sy-vline,
  WA_LIME_EXTDATA-INSMK, sy-vline,
  WA_LIME_EXTDATA-SOBKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LIME_EXTDATA 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_LIME_EXTDATA 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_LIME_EXTDATA INTO WA_LIME_EXTDATA.


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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_LIME_EXTDATA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LIME_EXTDATA-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field UMMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_LIME_EXTDATA-UMMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LIME_EXTDATA-UMMAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LIME_EXTDATA-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LIME_EXTDATA-UNIT.
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_LIME_EXTDATA_STR, 
MANDT TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
LINE_ID TYPE STRING,
ZEILE TYPE STRING,
MATNR TYPE STRING,
BWART TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
INSMK TYPE STRING,
SOBKZ TYPE STRING,
XAUTO TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
BUKRS TYPE STRING,
UMWRK TYPE STRING,
UMLGO TYPE STRING,
UMMAT TYPE STRING,
CHARG TYPE STRING,
QUAN_IO TYPE STRING,
UNIT TYPE STRING,
QUAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LIME_EXTDATA_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_LIME_EXTDATA_STR-MANDT sy-vline 
WA_LIME_EXTDATA_STR-MBLNR sy-vline 
WA_LIME_EXTDATA_STR-MJAHR sy-vline 
WA_LIME_EXTDATA_STR-LINE_ID sy-vline 
WA_LIME_EXTDATA_STR-ZEILE sy-vline 
WA_LIME_EXTDATA_STR-MATNR sy-vline 
WA_LIME_EXTDATA_STR-BWART sy-vline 
WA_LIME_EXTDATA_STR-WERKS sy-vline 
WA_LIME_EXTDATA_STR-LGORT sy-vline 
WA_LIME_EXTDATA_STR-INSMK sy-vline 
WA_LIME_EXTDATA_STR-SOBKZ sy-vline 
WA_LIME_EXTDATA_STR-XAUTO sy-vline 
WA_LIME_EXTDATA_STR-LIFNR sy-vline 
WA_LIME_EXTDATA_STR-KUNNR sy-vline 
WA_LIME_EXTDATA_STR-BUKRS sy-vline 
WA_LIME_EXTDATA_STR-UMWRK sy-vline 
WA_LIME_EXTDATA_STR-UMLGO sy-vline 
WA_LIME_EXTDATA_STR-UMMAT sy-vline 
WA_LIME_EXTDATA_STR-CHARG sy-vline 
WA_LIME_EXTDATA_STR-QUAN_IO sy-vline 
WA_LIME_EXTDATA_STR-UNIT sy-vline 
WA_LIME_EXTDATA_STR-QUAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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