ABAP Select data from SAP table TSQACCESS_INPUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TSQACCESS_INPUT
*  INTO TABLE @DATA(IT_TSQACCESS_INPUT2).
*--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_TSQACCESS_INPUT INDEX 1 INTO DATA(WA_TSQACCESS_INPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TSQACCESS_INPUT>-CONTROLLER = 1.
<TSQACCESS_INPUT>-POS = 1.
<TSQACCESS_INPUT>-CONTROLLER = 1.
<TSQACCESS_INPUT>-SOURCE = 1.
<TSQACCESS_INPUT>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TSQACCESS_INPUT-REQUESTOR_ID, sy-vline,
  WA_TSQACCESS_INPUT-CONTROLLER, sy-vline,
  WA_TSQACCESS_INPUT-COMPANY_NAME, sy-vline,
  WA_TSQACCESS_INPUT-CONTROLLER, sy-vline,
  WA_TSQACCESS_INPUT-COMPANY_SHORT_NAME, sy-vline,
  WA_TSQACCESS_INPUT-TRAVEL_SECTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TSQACCESS_INPUT 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_TSQACCESS_INPUT 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_TSQACCESS_INPUT INTO WA_TSQACCESS_INPUT.


*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_TSQACCESS_INPUT_STR, 
CONTROLLER TYPE STRING,
POS TYPE STRING,
CONTROLLER TYPE STRING,
SOURCE TYPE STRING,
CONTROLLER TYPE STRING,
REQUESTOR_ID TYPE STRING,
CONTROLLER TYPE STRING,
COMPANY_NAME TYPE STRING,
CONTROLLER TYPE STRING,
COMPANY_SHORT_NAME TYPE STRING,
TRAVEL_SECTOR TYPE STRING,
CODE TYPE STRING,
CODE_CONTEXT TYPE STRING,
CONTENT TYPE STRING,
URL TYPE STRING,
TYPE TYPE STRING,
INSTANCE TYPE STRING,
ID TYPE STRING,
ID_CONTEXT TYPE STRING,
POSITION TYPE STRING,
CONTROLLER TYPE STRING,
LATITUDE TYPE STRING,
LONGITUDE TYPE STRING,
ALTITUDE TYPE STRING,
BOOKING_CHANNEL TYPE STRING,
CONTROLLER TYPE STRING,
COMPANY_NAME TYPE STRING,
CONTROLLER TYPE STRING,
COMPANY_SHORT_NAME TYPE STRING,
TRAVEL_SECTOR TYPE STRING,
CODE TYPE STRING,
CODE_CONTEXT TYPE STRING,
CONTENT TYPE STRING,
TYPE TYPE STRING,
PRIMARY TYPE STRING,
AGENT_SINE TYPE STRING,
PSEUDO_CITY_CODE TYPE STRING,
ISOCOUNTRY TYPE STRING,
ISOCURRENCY TYPE STRING,
AGENT_DUTY_CODE TYPE STRING,
AIRLINE_VENDOR_ID TYPE STRING,
AIRPORT_CODE TYPE STRING,
FIRST_DEPART_POINT TYPE STRING,
ERSP_USER_ID TYPE STRING,
TPA_EXTENSIONS TYPE STRING,
CONTROLLER TYPE STRING,
MESSAGING_DETAILS TYPE STRING,
CONTROLLER TYPE STRING,
MDRSUBSET TYPE STRING,
CONTROLLER TYPE STRING,
CODE TYPE STRING,
QUEUE_IDENTIFIER TYPE STRING,
CONTROLLER TYPE STRING,
LIST TYPE STRING,
CONTROLLER TYPE STRING,
IND TYPE STRING,
PSEUDO_CITY_CODE TYPE STRING,
NAME TYPE STRING,
NUMBER TYPE STRING,
NAVIGATION TYPE STRING,
CONTROLLER TYPE STRING,
DIRECTION TYPE STRING,
CONTROLLER TYPE STRING,
ACTION TYPE STRING,
PLUS TYPE STRING,
MINUS TYPE STRING,
ACTION TYPE STRING,
SELECTION1 TYPE STRING,
CONTROLLER TYPE STRING,
FUNCTION TYPE STRING,
CRITERIA TYPE STRING,
ECHO_TOKEN TYPE STRING,
TIME_STAMP TYPE STRING,
TARGET TYPE STRING,
VERSION TYPE STRING,
SEQUENCE_NMBR TYPE STRING,
PRIMARY_LANG_ID TYPE STRING,
ALT_LANG_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TSQACCESS_INPUT_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_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-POS sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-SOURCE sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-REQUESTOR_ID sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-COMPANY_NAME sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-COMPANY_SHORT_NAME sy-vline 
WA_TSQACCESS_INPUT_STR-TRAVEL_SECTOR sy-vline 
WA_TSQACCESS_INPUT_STR-CODE sy-vline 
WA_TSQACCESS_INPUT_STR-CODE_CONTEXT sy-vline 
WA_TSQACCESS_INPUT_STR-CONTENT sy-vline 
WA_TSQACCESS_INPUT_STR-URL sy-vline 
WA_TSQACCESS_INPUT_STR-TYPE sy-vline 
WA_TSQACCESS_INPUT_STR-INSTANCE sy-vline 
WA_TSQACCESS_INPUT_STR-ID sy-vline 
WA_TSQACCESS_INPUT_STR-ID_CONTEXT sy-vline 
WA_TSQACCESS_INPUT_STR-POSITION sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-LATITUDE sy-vline 
WA_TSQACCESS_INPUT_STR-LONGITUDE sy-vline 
WA_TSQACCESS_INPUT_STR-ALTITUDE sy-vline 
WA_TSQACCESS_INPUT_STR-BOOKING_CHANNEL sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-COMPANY_NAME sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-COMPANY_SHORT_NAME sy-vline 
WA_TSQACCESS_INPUT_STR-TRAVEL_SECTOR sy-vline 
WA_TSQACCESS_INPUT_STR-CODE sy-vline 
WA_TSQACCESS_INPUT_STR-CODE_CONTEXT sy-vline 
WA_TSQACCESS_INPUT_STR-CONTENT sy-vline 
WA_TSQACCESS_INPUT_STR-TYPE sy-vline 
WA_TSQACCESS_INPUT_STR-PRIMARY sy-vline 
WA_TSQACCESS_INPUT_STR-AGENT_SINE sy-vline 
WA_TSQACCESS_INPUT_STR-PSEUDO_CITY_CODE sy-vline 
WA_TSQACCESS_INPUT_STR-ISOCOUNTRY sy-vline 
WA_TSQACCESS_INPUT_STR-ISOCURRENCY sy-vline 
WA_TSQACCESS_INPUT_STR-AGENT_DUTY_CODE sy-vline 
WA_TSQACCESS_INPUT_STR-AIRLINE_VENDOR_ID sy-vline 
WA_TSQACCESS_INPUT_STR-AIRPORT_CODE sy-vline 
WA_TSQACCESS_INPUT_STR-FIRST_DEPART_POINT sy-vline 
WA_TSQACCESS_INPUT_STR-ERSP_USER_ID sy-vline 
WA_TSQACCESS_INPUT_STR-TPA_EXTENSIONS sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-MESSAGING_DETAILS sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-MDRSUBSET sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-CODE sy-vline 
WA_TSQACCESS_INPUT_STR-QUEUE_IDENTIFIER sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-LIST sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-IND sy-vline 
WA_TSQACCESS_INPUT_STR-PSEUDO_CITY_CODE sy-vline 
WA_TSQACCESS_INPUT_STR-NAME sy-vline 
WA_TSQACCESS_INPUT_STR-NUMBER sy-vline 
WA_TSQACCESS_INPUT_STR-NAVIGATION sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-DIRECTION sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-ACTION sy-vline 
WA_TSQACCESS_INPUT_STR-PLUS sy-vline 
WA_TSQACCESS_INPUT_STR-MINUS sy-vline 
WA_TSQACCESS_INPUT_STR-ACTION sy-vline 
WA_TSQACCESS_INPUT_STR-SELECTION1 sy-vline 
WA_TSQACCESS_INPUT_STR-CONTROLLER sy-vline 
WA_TSQACCESS_INPUT_STR-FUNCTION sy-vline 
WA_TSQACCESS_INPUT_STR-CRITERIA sy-vline 
WA_TSQACCESS_INPUT_STR-ECHO_TOKEN sy-vline 
WA_TSQACCESS_INPUT_STR-TIME_STAMP sy-vline 
WA_TSQACCESS_INPUT_STR-TARGET sy-vline 
WA_TSQACCESS_INPUT_STR-VERSION sy-vline 
WA_TSQACCESS_INPUT_STR-SEQUENCE_NMBR sy-vline 
WA_TSQACCESS_INPUT_STR-PRIMARY_LANG_ID sy-vline 
WA_TSQACCESS_INPUT_STR-ALT_LANG_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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