ABAP Select data from SAP table EAM_S_CL_LOTS_DISP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAM_S_CL_LOTS_DISP
*  INTO TABLE @DATA(IT_EAM_S_CL_LOTS_DISP2).
*--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_EAM_S_CL_LOTS_DISP INDEX 1 INTO DATA(WA_EAM_S_CL_LOTS_DISP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAM_S_CL_LOTS_DISP>-CL_STATUS_ICON = 1.
<EAM_S_CL_LOTS_DISP>-ORDNR = 1.
<EAM_S_CL_LOTS_DISP>-INSPECTIONLOT = 1.
<EAM_S_CL_LOTS_DISP>-INSPECTIONLOTTXT = 1.
<EAM_S_CL_LOTS_DISP>-OPERNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAM_S_CL_LOTS_DISP-OPER_OBJNR, sy-vline,
  WA_EAM_S_CL_LOTS_DISP-TL_TYPE, sy-vline,
  WA_EAM_S_CL_LOTS_DISP-TL_KEY, sy-vline,
  WA_EAM_S_CL_LOTS_DISP-TL_COUNTER, sy-vline,
  WA_EAM_S_CL_LOTS_DISP-TLTXT, sy-vline,
  WA_EAM_S_CL_LOTS_DISP-EQUNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAM_S_CL_LOTS_DISP 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_EAM_S_CL_LOTS_DISP 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_EAM_S_CL_LOTS_DISP INTO WA_EAM_S_CL_LOTS_DISP.


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

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

*Conversion exit NUMCV, internal->external for field OPERNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAM_S_CL_LOTS_DISP-OPERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_S_CL_LOTS_DISP-OPERNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit TPLNR, internal->external for field FUNCLOCNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_EAM_S_CL_LOTS_DISP-FUNCLOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_S_CL_LOTS_DISP-FUNCLOCNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VENDOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EAM_S_CL_LOTS_DISP-VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAM_S_CL_LOTS_DISP-VENDOR.
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_EAM_S_CL_LOTS_DISP_STR, 
CL_STATUS_ICON TYPE STRING,
ORDNR TYPE STRING,
INSPECTIONLOT TYPE STRING,
INSPECTIONLOTTXT TYPE STRING,
OPERNR TYPE STRING,
OPER_OBJNR TYPE STRING,
TL_TYPE TYPE STRING,
TL_KEY TYPE STRING,
TL_COUNTER TYPE STRING,
TLTXT TYPE STRING,
EQUNR TYPE STRING,
EQUTXT TYPE STRING,
FUNCLOCNR TYPE STRING,
FUNCLOCTXT TYPE STRING,
PLANT TYPE STRING,
TYPE TYPE STRING,
ORIGIN TYPE STRING,
CREATION_DATE_TIME_ZONE TYPE STRING,
CREATION_TIME_TIME_ZONE TYPE STRING,
CREATED_BY TYPE STRING,
CREATION_SYSTEM_DATE TYPE STRING,
CREATION_SYSTEM_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
VENDOR TYPE STRING,
IS_COMMITED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAM_S_CL_LOTS_DISP_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_EAM_S_CL_LOTS_DISP_STR-CL_STATUS_ICON sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-ORDNR sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-INSPECTIONLOT sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-INSPECTIONLOTTXT sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-OPERNR sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-OPER_OBJNR sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-TL_TYPE sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-TL_KEY sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-TL_COUNTER sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-TLTXT sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-EQUNR sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-EQUTXT sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-FUNCLOCNR sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-FUNCLOCTXT sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-PLANT sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-TYPE sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-ORIGIN sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-CREATION_DATE_TIME_ZONE sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-CREATION_TIME_TIME_ZONE sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-CREATED_BY sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-CREATION_SYSTEM_DATE sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-CREATION_SYSTEM_TIME sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-CHANGED_BY sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-VENDOR sy-vline 
WA_EAM_S_CL_LOTS_DISP_STR-IS_COMMITED sy-vline      INTO ld_text SEPARATED BY SPACE.

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