ABAP Select data from SAP table SMC_S_BB1006_CENT_R_KEY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SMC_S_BB1006_CENT_R_KEY 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 SMC_S_BB1006_CENT_R_KEY. 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 SMC_S_BB1006_CENT_R_KEY 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_SMC_S_BB1006_CENT_R_KEY TYPE STANDARD TABLE OF SMC_S_BB1006_CENT_R_KEY,
      WA_SMC_S_BB1006_CENT_R_KEY TYPE SMC_S_BB1006_CENT_R_KEY,
      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: <SMC_S_BB1006_CENT_R_KEY> TYPE SMC_S_BB1006_CENT_R_KEY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SMC_S_BB1006_CENT_R_KEY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SMC_S_BB1006_CENT_R_KEY
  INTO TABLE IT_SMC_S_BB1006_CENT_R_KEY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SMC_S_BB1006_CENT_R_KEY
*  INTO TABLE @DATA(IT_SMC_S_BB1006_CENT_R_KEY2).
*--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_SMC_S_BB1006_CENT_R_KEY INDEX 1 INTO DATA(WA_SMC_S_BB1006_CENT_R_KEY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SMC_S_BB1006_CENT_R_KEY ASSIGNING <SMC_S_BB1006_CENT_R_KEY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SMC_S_BB1006_CENT_R_KEY>-SUPPLIER_GUID = 1.
<SMC_S_BB1006_CENT_R_KEY>-CONTACT_GUID = 1.
<SMC_S_BB1006_CENT_R_KEY>-SEARCHTERM1 = 1.
<SMC_S_BB1006_CENT_R_KEY>-SEARCHTERM2 = 1.
<SMC_S_BB1006_CENT_R_KEY>-PARTNERTYPE = 1.

ENDLOOP.

LOOP AT IT_SMC_S_BB1006_CENT_R_KEY INTO WA_SMC_S_BB1006_CENT_R_KEY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SMC_S_BB1006_CENT_R_KEY-AUTHORIZATIONGROUP, sy-vline,
  WA_SMC_S_BB1006_CENT_R_KEY-PARTNERLANGUAGE, sy-vline,
  WA_SMC_S_BB1006_CENT_R_KEY-PARTNERLANGUAGEISO, sy-vline,
  WA_SMC_S_BB1006_CENT_R_KEY-DATAORIGINTYPE, sy-vline,
  WA_SMC_S_BB1006_CENT_R_KEY-CENTRALARCHIVINGFLAG, sy-vline,
  WA_SMC_S_BB1006_CENT_R_KEY-CENTRALBLOCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SMC_S_BB1006_CENT_R_KEY 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_SMC_S_BB1006_CENT_R_KEY 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_SMC_S_BB1006_CENT_R_KEY INTO WA_SMC_S_BB1006_CENT_R_KEY.


*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 ISOLA, internal->external for field PARTNERLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_SMC_S_BB1006_CENT_R_KEY-PARTNERLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SMC_S_BB1006_CENT_R_KEY-PARTNERLANGUAGE.
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_SMC_S_BB1006_CENT_R_KEY_STR, 
SUPPLIER_GUID TYPE STRING,
CONTACT_GUID TYPE STRING,
SEARCHTERM1 TYPE STRING,
SEARCHTERM2 TYPE STRING,
PARTNERTYPE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
PARTNERLANGUAGE TYPE STRING,
PARTNERLANGUAGEISO TYPE STRING,
DATAORIGINTYPE TYPE STRING,
CENTRALARCHIVINGFLAG TYPE STRING,
CENTRALBLOCK TYPE STRING,
TITLE_KEY TYPE STRING,
CONTACTALLOWANCE TYPE STRING,
PARTNEREXTERNAL TYPE STRING,
TITLELETTER TYPE STRING,
NOTRELEASED TYPE STRING,
COMM_TYPE TYPE STRING,
PRINT_MODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SMC_S_BB1006_CENT_R_KEY_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_SMC_S_BB1006_CENT_R_KEY_STR-SUPPLIER_GUID sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-CONTACT_GUID sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-SEARCHTERM1 sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-SEARCHTERM2 sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-PARTNERTYPE sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-AUTHORIZATIONGROUP sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-PARTNERLANGUAGE sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-PARTNERLANGUAGEISO sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-DATAORIGINTYPE sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-CENTRALARCHIVINGFLAG sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-CENTRALBLOCK sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-TITLE_KEY sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-CONTACTALLOWANCE sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-PARTNEREXTERNAL sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-TITLELETTER sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-NOTRELEASED sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-COMM_TYPE sy-vline 
WA_SMC_S_BB1006_CENT_R_KEY_STR-PRINT_MODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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