ABAP Select data from SAP table BIW_ISU_KPI_IN01_NCL 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_KPI_IN01_NCL 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_KPI_IN01_NCL. 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_KPI_IN01_NCL 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_KPI_IN01_NCL TYPE STANDARD TABLE OF BIW_ISU_KPI_IN01_NCL,
      WA_BIW_ISU_KPI_IN01_NCL TYPE BIW_ISU_KPI_IN01_NCL,
      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_KPI_IN01_NCL> TYPE BIW_ISU_KPI_IN01_NCL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BIW_ISU_KPI_IN01_NCL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BIW_ISU_KPI_IN01_NCL
  INTO TABLE IT_BIW_ISU_KPI_IN01_NCL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BIW_ISU_KPI_IN01_NCL
*  INTO TABLE @DATA(IT_BIW_ISU_KPI_IN01_NCL2).
*--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_KPI_IN01_NCL INDEX 1 INTO DATA(WA_BIW_ISU_KPI_IN01_NCL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BIW_ISU_KPI_IN01_NCL ASSIGNING <BIW_ISU_KPI_IN01_NCL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BIW_ISU_KPI_IN01_NCL>-BPGUID_BW = 1.
<BIW_ISU_KPI_IN01_NCL>-SEQNR = 1.
<BIW_ISU_KPI_IN01_NCL>-BPAREA = 1.
<BIW_ISU_KPI_IN01_NCL>-BPCODE = 1.
<BIW_ISU_KPI_IN01_NCL>-SYTCODE = 1.

ENDLOOP.

LOOP AT IT_BIW_ISU_KPI_IN01_NCL INTO WA_BIW_ISU_KPI_IN01_NCL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BIW_ISU_KPI_IN01_NCL-UNAME, sy-vline,
  WA_BIW_ISU_KPI_IN01_NCL-BATCH, sy-vline,
  WA_BIW_ISU_KPI_IN01_NCL-TIMEDIFF, sy-vline,
  WA_BIW_ISU_KPI_IN01_NCL-TIMEDIFF_UNIT, sy-vline,
  WA_BIW_ISU_KPI_IN01_NCL-SYST_BEG, sy-vline,
  WA_BIW_ISU_KPI_IN01_NCL-SYST_END, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BIW_ISU_KPI_IN01_NCL 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_KPI_IN01_NCL 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_KPI_IN01_NCL INTO WA_BIW_ISU_KPI_IN01_NCL.


*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 BPAREA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_KPI_IN01_NCL-BPAREA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_KPI_IN01_NCL-BPAREA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BPCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_KPI_IN01_NCL-BPCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_KPI_IN01_NCL-BPCODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TIMEDIFF_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_KPI_IN01_NCL-TIMEDIFF_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_KPI_IN01_NCL-TIMEDIFF_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_KPI_IN01_NCL-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_KPI_IN01_NCL-OPBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_KPI_IN01_NCL-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_KPI_IN01_NCL-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BIW_ISU_KPI_IN01_NCL-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BIW_ISU_KPI_IN01_NCL-VKONT.
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_KPI_IN01_NCL_STR, 
BPGUID_BW TYPE STRING,
SEQNR TYPE STRING,
BPAREA TYPE STRING,
BPCODE TYPE STRING,
SYTCODE TYPE STRING,
UNAME TYPE STRING,
BATCH TYPE STRING,
TIMEDIFF TYPE STRING,
TIMEDIFF_UNIT TYPE STRING,
SYST_BEG TYPE STRING,
SYST_END TYPE STRING,
TZONE TYPE STRING,
MSG_POS TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGTY TYPE STRING,
MAIN_PROC TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
USER_CANC TYPE STRING,
NO_TIME_MEAS TYPE STRING,
OPBEL TYPE STRING,
FAEDN TYPE STRING,
DRUCKDAT TYPE STRING,
STOKZ TYPE STRING,
PARTNER TYPE STRING,
VKONT TYPE STRING,
PORTION TYPE STRING,
ABRVORG TYPE STRING,
TOBRELEASED TYPE STRING,
INVOICED TYPE STRING,
ERGRD TYPE STRING,
ICREASON TYPE STRING,
ANZPO TYPE STRING,
ANZHEAD TYPE STRING,
QROWCOUN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BIW_ISU_KPI_IN01_NCL_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_KPI_IN01_NCL_STR-BPGUID_BW sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-SEQNR sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-BPAREA sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-BPCODE sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-SYTCODE sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-UNAME sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-BATCH sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-TIMEDIFF sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-TIMEDIFF_UNIT sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-SYST_BEG sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-SYST_END sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-TZONE sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-MSG_POS sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-MSGID sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-MSGNO sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-MSGTY sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-MAIN_PROC sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-ERNAM sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-ERDAT sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-USER_CANC sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-NO_TIME_MEAS sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-OPBEL sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-FAEDN sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-DRUCKDAT sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-STOKZ sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-PARTNER sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-VKONT sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-PORTION sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-ABRVORG sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-TOBRELEASED sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-INVOICED sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-ERGRD sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-ICREASON sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-ANZPO sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-ANZHEAD sy-vline 
WA_BIW_ISU_KPI_IN01_NCL_STR-QROWCOUN sy-vline      INTO ld_text SEPARATED BY SPACE.

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