ABAP Select data from SAP table /SAPDII/INC_BAPICUSTOMER_04 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPDII/INC_BAPICUSTOMER_04 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 /SAPDII/INC_BAPICUSTOMER_04. 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 /SAPDII/INC_BAPICUSTOMER_04 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_/SAPDII/INC_BAPICUSTOMER_04 TYPE STANDARD TABLE OF /SAPDII/INC_BAPICUSTOMER_04,
      WA_/SAPDII/INC_BAPICUSTOMER_04 TYPE /SAPDII/INC_BAPICUSTOMER_04,
      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: </SAPDII/INC_BAPICUSTOMER_04> TYPE /SAPDII/INC_BAPICUSTOMER_04.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPDII/INC_BAPICUSTOMER_04.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPDII/INC_BAPICUSTOMER_04
  INTO TABLE IT_/SAPDII/INC_BAPICUSTOMER_04.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPDII/INC_BAPICUSTOMER_04
*  INTO TABLE @DATA(IT_/SAPDII/INC_BAPICUSTOMER_042).
*--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_/SAPDII/INC_BAPICUSTOMER_04 INDEX 1 INTO DATA(WA_/SAPDII/INC_BAPICUSTOMER_042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPDII/INC_BAPICUSTOMER_04 ASSIGNING </SAPDII/INC_BAPICUSTOMER_04>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPDII/INC_BAPICUSTOMER_04>-CUSTOMER = 1.
</SAPDII/INC_BAPICUSTOMER_04>-NAME = 1.
</SAPDII/INC_BAPICUSTOMER_04>-NAME_2 = 1.
</SAPDII/INC_BAPICUSTOMER_04>-NAME_3 = 1.
</SAPDII/INC_BAPICUSTOMER_04>-NAME_4 = 1.

ENDLOOP.

LOOP AT IT_/SAPDII/INC_BAPICUSTOMER_04 INTO WA_/SAPDII/INC_BAPICUSTOMER_04.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPDII/INC_BAPICUSTOMER_04-CITY, sy-vline,
  WA_/SAPDII/INC_BAPICUSTOMER_04-DISTRICT, sy-vline,
  WA_/SAPDII/INC_BAPICUSTOMER_04-PO_BOX, sy-vline,
  WA_/SAPDII/INC_BAPICUSTOMER_04-POBX_PCD, sy-vline,
  WA_/SAPDII/INC_BAPICUSTOMER_04-POSTL_CODE, sy-vline,
  WA_/SAPDII/INC_BAPICUSTOMER_04-REGION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPDII/INC_BAPICUSTOMER_04 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_/SAPDII/INC_BAPICUSTOMER_04 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_/SAPDII/INC_BAPICUSTOMER_04 INTO WA_/SAPDII/INC_BAPICUSTOMER_04.


*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_/SAPDII/INC_BAPICUSTOMER_04_STR, 
CUSTOMER TYPE STRING,
NAME TYPE STRING,
NAME_2 TYPE STRING,
NAME_3 TYPE STRING,
NAME_4 TYPE STRING,
CITY TYPE STRING,
DISTRICT TYPE STRING,
PO_BOX TYPE STRING,
POBX_PCD TYPE STRING,
POSTL_CODE TYPE STRING,
REGION TYPE STRING,
COUNTYCODE TYPE STRING,
CITY_CODE TYPE STRING,
STREET TYPE STRING,
TELEPHONE TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYISO TYPE STRING,
POBX_CTY TYPE STRING,
LANGU TYPE STRING,
LANGU_ISO TYPE STRING,
SORT_FLD TYPE STRING,
MATCHCODE1 TYPE STRING,
MATCHCODE2 TYPE STRING,
MATCHCODE3 TYPE STRING,
FORMOFADDR TYPE STRING,
TELEBOX TYPE STRING,
TELEPHONE2 TYPE STRING,
TELETEX TYPE STRING,
TELEX TYPE STRING,
TRANSPZONE TYPE STRING,
NIELSEN_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPDII/INC_BAPICUSTOMER_04_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_/SAPDII/INC_BAPICUSTOMER_04_STR-CUSTOMER sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-NAME sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-NAME_2 sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-NAME_3 sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-NAME_4 sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-CITY sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-DISTRICT sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-PO_BOX sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-POBX_PCD sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-POSTL_CODE sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-REGION sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-COUNTYCODE sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-CITY_CODE sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-STREET sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-TELEPHONE sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-COUNTRY sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-COUNTRYISO sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-POBX_CTY sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-LANGU sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-LANGU_ISO sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-SORT_FLD sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-MATCHCODE1 sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-MATCHCODE2 sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-MATCHCODE3 sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-FORMOFADDR sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-TELEBOX sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-TELEPHONE2 sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-TELETEX sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-TELEX sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-TRANSPZONE sy-vline 
WA_/SAPDII/INC_BAPICUSTOMER_04_STR-NIELSEN_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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