ABAP Select data from SAP table BUS_PCA_DINI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUS_PCA_DINI
*  INTO TABLE @DATA(IT_BUS_PCA_DINI2).
*--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_BUS_PCA_DINI INDEX 1 INTO DATA(WA_BUS_PCA_DINI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUS_PCA_DINI>-AKTYP = 1.
<BUS_PCA_DINI>-RLTP1 = 1.
<BUS_PCA_DINI>-RLTP2 = 1.
<BUS_PCA_DINI>-RLTP3 = 1.
<BUS_PCA_DINI>-RLTP4 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUS_PCA_DINI-RLTP5, sy-vline,
  WA_BUS_PCA_DINI-RLTP6, sy-vline,
  WA_BUS_PCA_DINI-RLTP7, sy-vline,
  WA_BUS_PCA_DINI-RLTP8, sy-vline,
  WA_BUS_PCA_DINI-RLTP9, sy-vline,
  WA_BUS_PCA_DINI-CARD_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUS_PCA_DINI 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_BUS_PCA_DINI 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_BUS_PCA_DINI INTO WA_BUS_PCA_DINI.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BUS_PCA_DINI_STR, 
AKTYP TYPE STRING,
RLTP1 TYPE STRING,
RLTP2 TYPE STRING,
RLTP3 TYPE STRING,
RLTP4 TYPE STRING,
RLTP5 TYPE STRING,
RLTP6 TYPE STRING,
RLTP7 TYPE STRING,
RLTP8 TYPE STRING,
RLTP9 TYPE STRING,
CARD_GUID TYPE STRING,
CARD_NUMBER TYPE STRING,
CARD_TYPE TYPE STRING,
CCTYP TYPE STRING,
STAMP_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUS_PCA_DINI_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_BUS_PCA_DINI_STR-AKTYP sy-vline 
WA_BUS_PCA_DINI_STR-RLTP1 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP2 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP3 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP4 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP5 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP6 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP7 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP8 sy-vline 
WA_BUS_PCA_DINI_STR-RLTP9 sy-vline 
WA_BUS_PCA_DINI_STR-CARD_GUID sy-vline 
WA_BUS_PCA_DINI_STR-CARD_NUMBER sy-vline 
WA_BUS_PCA_DINI_STR-CARD_TYPE sy-vline 
WA_BUS_PCA_DINI_STR-CCTYP sy-vline 
WA_BUS_PCA_DINI_STR-STAMP_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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