ABAP Select data from SAP table BUS_EI_BUPA_IDENTIFICATION into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BUS_EI_BUPA_IDENTIFICATION 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_EI_BUPA_IDENTIFICATION. 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_EI_BUPA_IDENTIFICATION 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_EI_BUPA_IDENTIFICATION TYPE STANDARD TABLE OF BUS_EI_BUPA_IDENTIFICATION,
      WA_BUS_EI_BUPA_IDENTIFICATION TYPE BUS_EI_BUPA_IDENTIFICATION,
      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_EI_BUPA_IDENTIFICATION> TYPE BUS_EI_BUPA_IDENTIFICATION.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUS_EI_BUPA_IDENTIFICATION
*  INTO TABLE @DATA(IT_BUS_EI_BUPA_IDENTIFICATION2).
*--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_EI_BUPA_IDENTIFICATION INDEX 1 INTO DATA(WA_BUS_EI_BUPA_IDENTIFICATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUS_EI_BUPA_IDENTIFICATION>-TASK = 1.
<BUS_EI_BUPA_IDENTIFICATION>-DATA_KEY = 1.
<BUS_EI_BUPA_IDENTIFICATION>-IDENTIFICATIONCATEGORY = 1.
<BUS_EI_BUPA_IDENTIFICATION>-IDENTIFICATIONNUMBER = 1.
<BUS_EI_BUPA_IDENTIFICATION>-DATA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUS_EI_BUPA_IDENTIFICATION-IDINSTITUTE, sy-vline,
  WA_BUS_EI_BUPA_IDENTIFICATION-IDENTRYDATE, sy-vline,
  WA_BUS_EI_BUPA_IDENTIFICATION-IDVALIDFROMDATE, sy-vline,
  WA_BUS_EI_BUPA_IDENTIFICATION-IDVALIDTODATE, sy-vline,
  WA_BUS_EI_BUPA_IDENTIFICATION-COUNTRY, sy-vline,
  WA_BUS_EI_BUPA_IDENTIFICATION-COUNTRYISO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUS_EI_BUPA_IDENTIFICATION 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_EI_BUPA_IDENTIFICATION 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_EI_BUPA_IDENTIFICATION INTO WA_BUS_EI_BUPA_IDENTIFICATION.


*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_EI_BUPA_IDENTIFICATION_STR, 
TASK TYPE STRING,
DATA_KEY TYPE STRING,
IDENTIFICATIONCATEGORY TYPE STRING,
IDENTIFICATIONNUMBER TYPE STRING,
DATA TYPE STRING,
IDINSTITUTE TYPE STRING,
IDENTRYDATE TYPE STRING,
IDVALIDFROMDATE TYPE STRING,
IDVALIDTODATE TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYISO TYPE STRING,
REGION TYPE STRING,
DATAX TYPE STRING,
IDINSTITUTE TYPE STRING,
IDENTRYDATE TYPE STRING,
IDVALIDFROMDATE TYPE STRING,
IDVALIDTODATE TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYISO TYPE STRING,
REGION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUS_EI_BUPA_IDENTIFICATION_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_EI_BUPA_IDENTIFICATION_STR-TASK sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-DATA_KEY sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDENTIFICATIONCATEGORY sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDENTIFICATIONNUMBER sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-DATA sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDINSTITUTE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDENTRYDATE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDVALIDFROMDATE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDVALIDTODATE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-COUNTRY sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-COUNTRYISO sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-REGION sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-DATAX sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDINSTITUTE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDENTRYDATE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDVALIDFROMDATE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-IDVALIDTODATE sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-COUNTRY sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-COUNTRYISO sy-vline 
WA_BUS_EI_BUPA_IDENTIFICATION_STR-REGION sy-vline      INTO ld_text SEPARATED BY SPACE.

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