ABAP Select data from SAP table SDSH_S_CONN_TABLE_CONTROL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SDSH_S_CONN_TABLE_CONTROL
*  INTO TABLE @DATA(IT_SDSH_S_CONN_TABLE_CONTROL2).
*--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_SDSH_S_CONN_TABLE_CONTROL INDEX 1 INTO DATA(WA_SDSH_S_CONN_TABLE_CONTROL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SDSH_S_CONN_TABLE_CONTROL>-MANDT = 1.
<SDSH_S_CONN_TABLE_CONTROL>-CARRID = 1.
<SDSH_S_CONN_TABLE_CONTROL>-CONNID = 1.
<SDSH_S_CONN_TABLE_CONTROL>-COUNTRYFR = 1.
<SDSH_S_CONN_TABLE_CONTROL>-CITYFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SDSH_S_CONN_TABLE_CONTROL-AIRPFROM, sy-vline,
  WA_SDSH_S_CONN_TABLE_CONTROL-COUNTRYTO, sy-vline,
  WA_SDSH_S_CONN_TABLE_CONTROL-CITYTO, sy-vline,
  WA_SDSH_S_CONN_TABLE_CONTROL-AIRPTO, sy-vline,
  WA_SDSH_S_CONN_TABLE_CONTROL-FLTIME, sy-vline,
  WA_SDSH_S_CONN_TABLE_CONTROL-DEPTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SDSH_S_CONN_TABLE_CONTROL 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_SDSH_S_CONN_TABLE_CONTROL 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_SDSH_S_CONN_TABLE_CONTROL INTO WA_SDSH_S_CONN_TABLE_CONTROL.


*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 SDURA, internal->external for field FLTIME
CALL FUNCTION 'CONVERSION_EXIT_SDURA_OUTPUT'
  EXPORTING
    input =                      WA_SDSH_S_CONN_TABLE_CONTROL-FLTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDSH_S_CONN_TABLE_CONTROL-FLTIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DISTID
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_SDSH_S_CONN_TABLE_CONTROL-DISTID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDSH_S_CONN_TABLE_CONTROL-DISTID.
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_SDSH_S_CONN_TABLE_CONTROL_STR, 
MANDT TYPE STRING,
CARRID TYPE STRING,
CONNID TYPE STRING,
COUNTRYFR TYPE STRING,
CITYFROM TYPE STRING,
AIRPFROM TYPE STRING,
COUNTRYTO TYPE STRING,
CITYTO TYPE STRING,
AIRPTO TYPE STRING,
FLTIME TYPE STRING,
DEPTIME TYPE STRING,
ARRTIME TYPE STRING,
DISTANCE TYPE STRING,
DISTID TYPE STRING,
FLTYPE TYPE STRING,
FLDATE TYPE STRING,
PRICE TYPE STRING,
CURRENCY TYPE STRING,
PLANETYPE TYPE STRING,
SEATSMAX TYPE STRING,
SEATSOCC TYPE STRING,
PAYMENTSUM TYPE STRING,
MARK TYPE STRING,
NUM_FIELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SDSH_S_CONN_TABLE_CONTROL_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_SDSH_S_CONN_TABLE_CONTROL_STR-MANDT sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-CARRID sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-CONNID sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-COUNTRYFR sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-CITYFROM sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-AIRPFROM sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-COUNTRYTO sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-CITYTO sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-AIRPTO sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-FLTIME sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-DEPTIME sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-ARRTIME sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-DISTANCE sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-DISTID sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-FLTYPE sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-FLDATE sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-PRICE sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-CURRENCY sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-PLANETYPE sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-SEATSMAX sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-SEATSOCC sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-PAYMENTSUM sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-MARK sy-vline 
WA_SDSH_S_CONN_TABLE_CONTROL_STR-NUM_FIELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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