ABAP Select data from SAP table SDCACNTCM into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SDCACNTCM 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 SDCACNTCM. 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 SDCACNTCM 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_SDCACNTCM TYPE STANDARD TABLE OF SDCACNTCM,
      WA_SDCACNTCM TYPE SDCACNTCM,
      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: <SDCACNTCM> TYPE SDCACNTCM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SDCACNTCM
*  INTO TABLE @DATA(IT_SDCACNTCM2).
*--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_SDCACNTCM INDEX 1 INTO DATA(WA_SDCACNTCM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SDCACNTCM>-MANDT = 1.
<SDCACNTCM>-CONTACT = 1.
<SDCACNTCM>-CUSTOMER = 1.
<SDCACNTCM>-NAMEN = 1.
<SDCACNTCM>-NAMEV = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SDCACNTCM-PARGE, sy-vline,
  WA_SDCACNTCM-FOADD, sy-vline,
  WA_SDCACNTCM-PARLA, sy-vline,
  WA_SDCACNTCM-COUNTRY, sy-vline,
  WA_SDCACNTCM-LOCATION, sy-vline,
  WA_SDCACNTCM-CIPCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SDCACNTCM 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_SDCACNTCM 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_SDCACNTCM INTO WA_SDCACNTCM.


*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 ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDCACNTCM-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDCACNTCM-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field PARLA
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_SDCACNTCM-PARLA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDCACNTCM-PARLA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDRESS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDCACNTCM-ADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDCACNTCM-ADDRESS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PERS_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDCACNTCM-PERS_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDCACNTCM-PERS_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field E_MAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_SDCACNTCM-E_MAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDCACNTCM-E_MAIL.
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_SDCACNTCM_STR, 
MANDT TYPE STRING,
CONTACT TYPE STRING,
CUSTOMER TYPE STRING,
NAMEN TYPE STRING,
NAMEV TYPE STRING,
PARGE TYPE STRING,
FOADD TYPE STRING,
PARLA TYPE STRING,
COUNTRY TYPE STRING,
LOCATION TYPE STRING,
CIPCODE TYPE STRING,
REGION TYPE STRING,
STREET TYPE STRING,
PHONE_NO TYPE STRING,
FAX_NO TYPE STRING,
TITEL TYPE STRING,
SORT_FIELD TYPE STRING,
ADDRESS TYPE STRING,
PERS_NO TYPE STRING,
E_MAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SDCACNTCM_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_SDCACNTCM_STR-MANDT sy-vline 
WA_SDCACNTCM_STR-CONTACT sy-vline 
WA_SDCACNTCM_STR-CUSTOMER sy-vline 
WA_SDCACNTCM_STR-NAMEN sy-vline 
WA_SDCACNTCM_STR-NAMEV sy-vline 
WA_SDCACNTCM_STR-PARGE sy-vline 
WA_SDCACNTCM_STR-FOADD sy-vline 
WA_SDCACNTCM_STR-PARLA sy-vline 
WA_SDCACNTCM_STR-COUNTRY sy-vline 
WA_SDCACNTCM_STR-LOCATION sy-vline 
WA_SDCACNTCM_STR-CIPCODE sy-vline 
WA_SDCACNTCM_STR-REGION sy-vline 
WA_SDCACNTCM_STR-STREET sy-vline 
WA_SDCACNTCM_STR-PHONE_NO sy-vline 
WA_SDCACNTCM_STR-FAX_NO sy-vline 
WA_SDCACNTCM_STR-TITEL sy-vline 
WA_SDCACNTCM_STR-SORT_FIELD sy-vline 
WA_SDCACNTCM_STR-ADDRESS sy-vline 
WA_SDCACNTCM_STR-PERS_NO sy-vline 
WA_SDCACNTCM_STR-E_MAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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