ABAP Select data from SAP table BIW_ISU_DEVICE_I into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BIW_ISU_DEVICE_I
*  INTO TABLE @DATA(IT_BIW_ISU_DEVICE_I2).
*--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_BIW_ISU_DEVICE_I INDEX 1 INTO DATA(WA_BIW_ISU_DEVICE_I2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BIW_ISU_DEVICE_I>-MANDT = 1.
<BIW_ISU_DEVICE_I>-EQUNR = 1.
<BIW_ISU_DEVICE_I>-EAGRUPPE = 1.
<BIW_ISU_DEVICE_I>-KOMGRP = 1.
<BIW_ISU_DEVICE_I>-LOS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BIW_ISU_DEVICE_I-MESSDRCK, sy-vline,
  WA_BIW_ISU_DEVICE_I-UEBERVER, sy-vline,
  WA_BIW_ISU_DEVICE_I-BESITZ, sy-vline,
  WA_BIW_ISU_DEVICE_I-BGLJAHR, sy-vline,
  WA_BIW_ISU_DEVICE_I-WECHSEL, sy-vline,
  WA_BIW_ISU_DEVICE_I-BGLSTAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BIW_ISU_DEVICE_I 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_BIW_ISU_DEVICE_I 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_BIW_ISU_DEVICE_I INTO WA_BIW_ISU_DEVICE_I.


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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field STREETCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_DEVICE_I-STREETCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_DEVICE_I-STREETCODE.
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_BIW_ISU_DEVICE_I_STR, 
MANDT TYPE STRING,
EQUNR TYPE STRING,
EAGRUPPE TYPE STRING,
KOMGRP TYPE STRING,
LOS TYPE STRING,
MESSDRCK TYPE STRING,
UEBERVER TYPE STRING,
BESITZ TYPE STRING,
BGLJAHR TYPE STRING,
WECHSEL TYPE STRING,
BGLSTAT TYPE STRING,
KZSTICH TYPE STRING,
SCHWGRAD TYPE STRING,
PLOMBDAT TYPE STRING,
BGLART TYPE STRING,
BGLNUM TYPE STRING,
UMBAUDAT TYPE STRING,
UMBAUGR TYPE STRING,
EICHFAEL TYPE STRING,
PARAMETR TYPE STRING,
PLOMBE TYPE STRING,
ZSPANNS TYPE STRING,
ZSTROMS TYPE STRING,
ZSPANNP TYPE STRING,
ZSTROMP TYPE STRING,
BGLNETZ TYPE STRING,
ORDER_CODE TYPE STRING,
APPROVALNR TYPE STRING,
VLZEIT_DEV TYPE STRING,
NOTIF_CODE TYPE STRING,
BIS TYPE STRING,
AB TYPE STRING,
KOMBINAT TYPE STRING,
LOGIKNR TYPE STRING,
ZWGRUPPE TYPE STRING,
EINBDAT TYPE STRING,
AUSBDAT TYPE STRING,
GERWECHS TYPE STRING,
DEVLOC TYPE STRING,
DEVGRP TYPE STRING,
WGRUPPE TYPE STRING,
PRIMWNR1 TYPE STRING,
SEKWNR1 TYPE STRING,
PRIMWNR2 TYPE STRING,
SEKWNR2 TYPE STRING,
BGLBIS TYPE STRING,
BGLKENN TYPE STRING,
MATNR TYPE STRING,
WERK TYPE STRING,
LAGER TYPE STRING,
BAUJJ TYPE STRING,
ADRNR TYPE STRING,
CITY_CODE TYPE STRING,
CITYP_CODE TYPE STRING,
STREETCODE TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
STATANZ TYPE STRING,
REGPOLIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BIW_ISU_DEVICE_I_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_BIW_ISU_DEVICE_I_STR-MANDT sy-vline 
WA_BIW_ISU_DEVICE_I_STR-EQUNR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-EAGRUPPE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-KOMGRP sy-vline 
WA_BIW_ISU_DEVICE_I_STR-LOS sy-vline 
WA_BIW_ISU_DEVICE_I_STR-MESSDRCK sy-vline 
WA_BIW_ISU_DEVICE_I_STR-UEBERVER sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BESITZ sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BGLJAHR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-WECHSEL sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BGLSTAT sy-vline 
WA_BIW_ISU_DEVICE_I_STR-KZSTICH sy-vline 
WA_BIW_ISU_DEVICE_I_STR-SCHWGRAD sy-vline 
WA_BIW_ISU_DEVICE_I_STR-PLOMBDAT sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BGLART sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BGLNUM sy-vline 
WA_BIW_ISU_DEVICE_I_STR-UMBAUDAT sy-vline 
WA_BIW_ISU_DEVICE_I_STR-UMBAUGR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-EICHFAEL sy-vline 
WA_BIW_ISU_DEVICE_I_STR-PARAMETR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-PLOMBE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-ZSPANNS sy-vline 
WA_BIW_ISU_DEVICE_I_STR-ZSTROMS sy-vline 
WA_BIW_ISU_DEVICE_I_STR-ZSPANNP sy-vline 
WA_BIW_ISU_DEVICE_I_STR-ZSTROMP sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BGLNETZ sy-vline 
WA_BIW_ISU_DEVICE_I_STR-ORDER_CODE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-APPROVALNR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-VLZEIT_DEV sy-vline 
WA_BIW_ISU_DEVICE_I_STR-NOTIF_CODE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BIS sy-vline 
WA_BIW_ISU_DEVICE_I_STR-AB sy-vline 
WA_BIW_ISU_DEVICE_I_STR-KOMBINAT sy-vline 
WA_BIW_ISU_DEVICE_I_STR-LOGIKNR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-ZWGRUPPE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-EINBDAT sy-vline 
WA_BIW_ISU_DEVICE_I_STR-AUSBDAT sy-vline 
WA_BIW_ISU_DEVICE_I_STR-GERWECHS sy-vline 
WA_BIW_ISU_DEVICE_I_STR-DEVLOC sy-vline 
WA_BIW_ISU_DEVICE_I_STR-DEVGRP sy-vline 
WA_BIW_ISU_DEVICE_I_STR-WGRUPPE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-PRIMWNR1 sy-vline 
WA_BIW_ISU_DEVICE_I_STR-SEKWNR1 sy-vline 
WA_BIW_ISU_DEVICE_I_STR-PRIMWNR2 sy-vline 
WA_BIW_ISU_DEVICE_I_STR-SEKWNR2 sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BGLBIS sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BGLKENN sy-vline 
WA_BIW_ISU_DEVICE_I_STR-MATNR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-WERK sy-vline 
WA_BIW_ISU_DEVICE_I_STR-LAGER sy-vline 
WA_BIW_ISU_DEVICE_I_STR-BAUJJ sy-vline 
WA_BIW_ISU_DEVICE_I_STR-ADRNR sy-vline 
WA_BIW_ISU_DEVICE_I_STR-CITY_CODE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-CITYP_CODE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-STREETCODE sy-vline 
WA_BIW_ISU_DEVICE_I_STR-COUNTRY sy-vline 
WA_BIW_ISU_DEVICE_I_STR-REGION sy-vline 
WA_BIW_ISU_DEVICE_I_STR-STATANZ sy-vline 
WA_BIW_ISU_DEVICE_I_STR-REGPOLIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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