ABAP Select data from SAP table /SAPDII/WTY_EQUIPMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPDII/WTY_EQUIPMENT
*  INTO TABLE @DATA(IT_/SAPDII/WTY_EQUIPMENT2).
*--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_/SAPDII/WTY_EQUIPMENT INDEX 1 INTO DATA(WA_/SAPDII/WTY_EQUIPMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPDII/WTY_EQUIPMENT>-EQUIPMENT = 1.
</SAPDII/WTY_EQUIPMENT>-EQUICATGRY = 1.
</SAPDII/WTY_EQUIPMENT>-EQUITYPE = 1.
</SAPDII/WTY_EQUIPMENT>-INVENTORY = 1.
</SAPDII/WTY_EQUIPMENT>-VENDOR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPDII/WTY_EQUIPMENT-WARRANTY, sy-vline,
  WA_/SAPDII/WTY_EQUIPMENT-MANFACTURE, sy-vline,
  WA_/SAPDII/WTY_EQUIPMENT-MANCOUNTRY, sy-vline,
  WA_/SAPDII/WTY_EQUIPMENT-MANMODEL, sy-vline,
  WA_/SAPDII/WTY_EQUIPMENT-MATERIAL, sy-vline,
  WA_/SAPDII/WTY_EQUIPMENT-SERIALNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPDII/WTY_EQUIPMENT 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_/SAPDII/WTY_EQUIPMENT 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_/SAPDII/WTY_EQUIPMENT INTO WA_/SAPDII/WTY_EQUIPMENT.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPDII/WTY_EQUIPMENT-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPDII/WTY_EQUIPMENT-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATNL, internal->external for field MATERIAL_EXTERNAL
CALL FUNCTION 'CONVERSION_EXIT_MATNL_OUTPUT'
  EXPORTING
    input =                      WA_/SAPDII/WTY_EQUIPMENT-MATERIAL_EXTERNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPDII/WTY_EQUIPMENT-MATERIAL_EXTERNAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATNW, internal->external for field MATERIAL_VERSION
CALL FUNCTION 'CONVERSION_EXIT_MATNW_OUTPUT'
  EXPORTING
    input =                      WA_/SAPDII/WTY_EQUIPMENT-MATERIAL_VERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPDII/WTY_EQUIPMENT-MATERIAL_VERSION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPDII/WTY_EQUIPMENT-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPDII/WTY_EQUIPMENT-COSTCENTER.
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_/SAPDII/WTY_EQUIPMENT_STR, 
EQUIPMENT TYPE STRING,
EQUICATGRY TYPE STRING,
EQUITYPE TYPE STRING,
INVENTORY TYPE STRING,
VENDOR TYPE STRING,
WARRANTY TYPE STRING,
MANFACTURE TYPE STRING,
MANCOUNTRY TYPE STRING,
MANMODEL TYPE STRING,
MATERIAL TYPE STRING,
SERIALNO TYPE STRING,
MATERIAL_EXTERNAL TYPE STRING,
MATERIAL_GUID TYPE STRING,
MATERIAL_VERSION TYPE STRING,
PLANPLANT TYPE STRING,
PLANGROUP TYPE STRING,
EQUIDESCR TYPE STRING,
ABCINDIC TYPE STRING,
SORTFIELD TYPE STRING,
MAINTPLANT TYPE STRING,
MAINTLOC TYPE STRING,
MAINTROOM TYPE STRING,
BUS_AREA TYPE STRING,
COSTCENTER TYPE STRING,
COMP_CODE TYPE STRING,
SALESORG TYPE STRING,
DISTR_CHAN TYPE STRING,
DIVISION TYPE STRING,
CUSTOMER TYPE STRING,
ENDCUSTOM TYPE STRING,
OPERATOR TYPE STRING,
FUNCLOC TYPE STRING,
SUPEREQUI TYPE STRING,
POSEQUI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPDII/WTY_EQUIPMENT_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_/SAPDII/WTY_EQUIPMENT_STR-EQUIPMENT sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-EQUICATGRY sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-EQUITYPE sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-INVENTORY sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-VENDOR sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-WARRANTY sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MANFACTURE sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MANCOUNTRY sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MANMODEL sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MATERIAL sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-SERIALNO sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MATERIAL_EXTERNAL sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MATERIAL_GUID sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MATERIAL_VERSION sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-PLANPLANT sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-PLANGROUP sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-EQUIDESCR sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-ABCINDIC sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-SORTFIELD sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MAINTPLANT sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MAINTLOC sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-MAINTROOM sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-BUS_AREA sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-COSTCENTER sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-COMP_CODE sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-SALESORG sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-DISTR_CHAN sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-DIVISION sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-CUSTOMER sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-ENDCUSTOM sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-OPERATOR sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-FUNCLOC sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-SUPEREQUI sy-vline 
WA_/SAPDII/WTY_EQUIPMENT_STR-POSEQUI sy-vline      INTO ld_text SEPARATED BY SPACE.

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