ABAP Select data from SAP table FKKBIXBIT_PY_ALV_VISIBLE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKBIXBIT_PY_ALV_VISIBLE
*  INTO TABLE @DATA(IT_FKKBIXBIT_PY_ALV_VISIBLE2).
*--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_FKKBIXBIT_PY_ALV_VISIBLE INDEX 1 INTO DATA(WA_FKKBIXBIT_PY_ALV_VISIBLE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKBIXBIT_PY_ALV_VISIBLE>-STATUS_ICON = 1.
<FKKBIXBIT_PY_ALV_VISIBLE>-BILLCRDATE = 1.
<FKKBIXBIT_PY_ALV_VISIBLE>-BILLDOCNO = 1.
<FKKBIXBIT_PY_ALV_VISIBLE>-BIT_GRPNO = 1.
<FKKBIXBIT_PY_ALV_VISIBLE>-BITBILLCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKBIXBIT_PY_ALV_VISIBLE-SRCTATYPE, sy-vline,
  WA_FKKBIXBIT_PY_ALV_VISIBLE-SRCTAID, sy-vline,
  WA_FKKBIXBIT_PY_ALV_VISIBLE-BITPACKCNO, sy-vline,
  WA_FKKBIXBIT_PY_ALV_VISIBLE-BITCAT, sy-vline,
  WA_FKKBIXBIT_PY_ALV_VISIBLE-VKONT, sy-vline,
  WA_FKKBIXBIT_PY_ALV_VISIBLE-PYMET, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKBIXBIT_PY_ALV_VISIBLE 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_FKKBIXBIT_PY_ALV_VISIBLE 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_FKKBIXBIT_PY_ALV_VISIBLE INTO WA_FKKBIXBIT_PY_ALV_VISIBLE.


*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_FKKBIXBIT_PY_ALV_VISIBLE-SRCTAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIXBIT_PY_ALV_VISIBLE-SRCTAID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field EMGPA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKBIXBIT_PY_ALV_VISIBLE-EMGPA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKBIXBIT_PY_ALV_VISIBLE-EMGPA.
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_FKKBIXBIT_PY_ALV_VISIBLE_STR, 
STATUS_ICON TYPE STRING,
BILLCRDATE TYPE STRING,
BILLDOCNO TYPE STRING,
BIT_GRPNO TYPE STRING,
BITBILLCNO TYPE STRING,
SRCTATYPE TYPE STRING,
SRCTAID TYPE STRING,
BITPACKCNO TYPE STRING,
BITCAT TYPE STRING,
VKONT TYPE STRING,
PYMET TYPE STRING,
EMBVT TYPE STRING,
EMGPA TYPE STRING,
PCARD_GUID TYPE STRING,
PYREF TYPE STRING,
PY_AMOUNT TYPE STRING,
PY_CURR TYPE STRING,
PY_PRIO TYPE STRING,
CCARD_ID TYPE STRING,
CCINS TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
CGUID TYPE STRING,
AUTWR TYPE STRING,
CCWAE TYPE STRING,
EXCHIST_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKBIXBIT_PY_ALV_VISIBLE_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_FKKBIXBIT_PY_ALV_VISIBLE_STR-STATUS_ICON sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-BILLCRDATE sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-BILLDOCNO sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-BIT_GRPNO sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-BITBILLCNO sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-SRCTATYPE sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-SRCTAID sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-BITPACKCNO sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-BITCAT sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-VKONT sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-PYMET sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-EMBVT sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-EMGPA sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-PCARD_GUID sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-PYREF sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-PY_AMOUNT sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-PY_CURR sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-PY_PRIO sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-CCARD_ID sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-CCINS sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-DATAB sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-DATBI sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-CGUID sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-AUTWR sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-CCWAE sy-vline 
WA_FKKBIXBIT_PY_ALV_VISIBLE_STR-EXCHIST_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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