ABAP Select data from SAP table FMCE_S_CERG_ADDRESS_SUPPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCE_S_CERG_ADDRESS_SUPPL
*  INTO TABLE @DATA(IT_FMCE_S_CERG_ADDRESS_SUPPL2).
*--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_FMCE_S_CERG_ADDRESS_SUPPL INDEX 1 INTO DATA(WA_FMCE_S_CERG_ADDRESS_SUPPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCE_S_CERG_ADDRESS_SUPPL>-POTYP = 1.
<FMCE_S_CERG_ADDRESS_SUPPL>-FUNDTYPE = 1.
<FMCE_S_CERG_ADDRESS_SUPPL>-CISTRID = 1.
<FMCE_S_CERG_ADDRESS_SUPPL>-CISUB1 = 1.
<FMCE_S_CERG_ADDRESS_SUPPL>-CISUB2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCE_S_CERG_ADDRESS_SUPPL-CISUB3, sy-vline,
  WA_FMCE_S_CERG_ADDRESS_SUPPL-CISUB4, sy-vline,
  WA_FMCE_S_CERG_ADDRESS_SUPPL-CISUB5, sy-vline,
  WA_FMCE_S_CERG_ADDRESS_SUPPL-FCSTRID, sy-vline,
  WA_FMCE_S_CERG_ADDRESS_SUPPL-FCSUB1, sy-vline,
  WA_FMCE_S_CERG_ADDRESS_SUPPL-FCSUB2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCE_S_CERG_ADDRESS_SUPPL 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_FMCE_S_CERG_ADDRESS_SUPPL 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_FMCE_S_CERG_ADDRESS_SUPPL INTO WA_FMCE_S_CERG_ADDRESS_SUPPL.


*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_FMCE_S_CERG_ADDRESS_SUPPL_STR, 
POTYP TYPE STRING,
FUNDTYPE TYPE STRING,
CISTRID TYPE STRING,
CISUB1 TYPE STRING,
CISUB2 TYPE STRING,
CISUB3 TYPE STRING,
CISUB4 TYPE STRING,
CISUB5 TYPE STRING,
FCSTRID TYPE STRING,
FCSUB1 TYPE STRING,
FCSUB2 TYPE STRING,
FCSUB3 TYPE STRING,
FDSTRID TYPE STRING,
FDSUB1 TYPE STRING,
FDSUB2 TYPE STRING,
FNSTRID TYPE STRING,
FNSUB1 TYPE STRING,
FNSUB2 TYPE STRING,
FNSUB3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCE_S_CERG_ADDRESS_SUPPL_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_FMCE_S_CERG_ADDRESS_SUPPL_STR-POTYP sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FUNDTYPE sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-CISTRID sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-CISUB1 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-CISUB2 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-CISUB3 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-CISUB4 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-CISUB5 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FCSTRID sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FCSUB1 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FCSUB2 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FCSUB3 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FDSTRID sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FDSUB1 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FDSUB2 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FNSTRID sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FNSUB1 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FNSUB2 sy-vline 
WA_FMCE_S_CERG_ADDRESS_SUPPL_STR-FNSUB3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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