ABAP Select data from SAP table FKKINVDOC_BIT_IT_SHORT_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKINVDOC_BIT_IT_SHORT_DATA
*  INTO TABLE @DATA(IT_FKKINVDOC_BIT_IT_SHORT_DATA2).
*--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_FKKINVDOC_BIT_IT_SHORT_DATA INDEX 1 INTO DATA(WA_FKKINVDOC_BIT_IT_SHORT_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKINVDOC_BIT_IT_SHORT_DATA>-SRCTATYPE = 1.
<FKKINVDOC_BIT_IT_SHORT_DATA>-SRCTAID = 1.
<FKKINVDOC_BIT_IT_SHORT_DATA>-SRCTASUBID = 1.
<FKKINVDOC_BIT_IT_SHORT_DATA>-BITPACKUUID = 1.
<FKKINVDOC_BIT_IT_SHORT_DATA>-BITPACKCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKINVDOC_BIT_IT_SHORT_DATA-SUBPROCESS, sy-vline,
  WA_FKKINVDOC_BIT_IT_SHORT_DATA-BITCAT, sy-vline,
  WA_FKKINVDOC_BIT_IT_SHORT_DATA-BITSTATUS, sy-vline,
  WA_FKKINVDOC_BIT_IT_SHORT_DATA-BITTYPE, sy-vline,
  WA_FKKINVDOC_BIT_IT_SHORT_DATA-PREPAID, sy-vline,
  WA_FKKINVDOC_BIT_IT_SHORT_DATA-VKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKINVDOC_BIT_IT_SHORT_DATA 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_FKKINVDOC_BIT_IT_SHORT_DATA 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_FKKINVDOC_BIT_IT_SHORT_DATA INTO WA_FKKINVDOC_BIT_IT_SHORT_DATA.


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

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

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

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

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKINVDOC_BIT_IT_SHORT_DATA-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKINVDOC_BIT_IT_SHORT_DATA-PRCTR.
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_FKKINVDOC_BIT_IT_SHORT_DATA_STR, 
SRCTATYPE TYPE STRING,
SRCTAID TYPE STRING,
SRCTASUBID TYPE STRING,
BITPACKUUID TYPE STRING,
BITPACKCNO TYPE STRING,
SUBPROCESS TYPE STRING,
BITCAT TYPE STRING,
BITSTATUS TYPE STRING,
BITTYPE TYPE STRING,
PREPAID TYPE STRING,
VKONT TYPE STRING,
GPART TYPE STRING,
MDCAT TYPE STRING,
BILL_BASEDATE TYPE STRING,
BILL_FIRST TYPE STRING,
BITDATE TYPE STRING,
BITTIME TYPE STRING,
BITDATE_FROM TYPE STRING,
BITDATE_TO TYPE STRING,
BITCRDATE TYPE STRING,
BITCRTIME TYPE STRING,
BITCRMODE TYPE STRING,
BIT_AMOUNT TYPE STRING,
BIT_CURR TYPE STRING,
KEYPP TYPE STRING,
EXCHIST TYPE STRING,
CHHIST TYPE STRING,
BITREVERSED TYPE STRING,
SEPARATE_INV TYPE STRING,
SIMULATED TYPE STRING,
POSTREL TYPE STRING,
PRINTREL TYPE STRING,
NOT_BPREL TYPE STRING,
PRINT_SUBSTITUTE TYPE STRING,
SPART TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
SEGMT TYPE STRING,
PRCTR TYPE STRING,
APPLK TYPE STRING,
HVORG TYPE STRING,
TVORG TYPE STRING,
KOFIZ TYPE STRING,
TAX_INCLUDED TYPE STRING,
TAX_DET_TYPE TYPE STRING,
TAX_COUNTRY TYPE STRING,
TAX_DATE_TYPE TYPE STRING,
EXT_TAX_DATE TYPE STRING,
ERMWSKZ TYPE STRING,
MWSKZ TYPE STRING,
ERMWSKZ_B2B TYPE STRING,
MWSKZ_B2B TYPE STRING,
XANZA TYPE STRING,
STAKZ TYPE STRING,
PYMET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKINVDOC_BIT_IT_SHORT_DATA_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_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SRCTATYPE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SRCTAID sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SRCTASUBID sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITPACKUUID sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITPACKCNO sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SUBPROCESS sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITCAT sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITSTATUS sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITTYPE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-PREPAID sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-VKONT sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-GPART sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-MDCAT sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BILL_BASEDATE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BILL_FIRST sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITDATE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITTIME sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITDATE_FROM sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITDATE_TO sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITCRDATE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITCRTIME sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITCRMODE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BIT_AMOUNT sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BIT_CURR sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-KEYPP sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-EXCHIST sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-CHHIST sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BITREVERSED sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SEPARATE_INV sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SIMULATED sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-POSTREL sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-PRINTREL sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-NOT_BPREL sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-PRINT_SUBSTITUTE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SPART sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-BUKRS sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-GSBER sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-SEGMT sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-PRCTR sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-APPLK sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-HVORG sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-TVORG sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-KOFIZ sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-TAX_INCLUDED sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-TAX_DET_TYPE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-TAX_COUNTRY sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-TAX_DATE_TYPE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-EXT_TAX_DATE sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-ERMWSKZ sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-MWSKZ sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-ERMWSKZ_B2B sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-MWSKZ_B2B sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-XANZA sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-STAKZ sy-vline 
WA_FKKINVDOC_BIT_IT_SHORT_DATA_STR-PYMET sy-vline      INTO ld_text SEPARATED BY SPACE.

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