ABAP Select data from SAP table CRMC_IC_LTX_URL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMC_IC_LTX_URL
*  INTO TABLE @DATA(IT_CRMC_IC_LTX_URL2).
*--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_CRMC_IC_LTX_URL INDEX 1 INTO DATA(WA_CRMC_IC_LTX_URL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMC_IC_LTX_URL>-CLIENT = 1.
<CRMC_IC_LTX_URL>-URL_ID = 1.
<CRMC_IC_LTX_URL>-BSP_URL = 1.
<CRMC_IC_LTX_URL>-BSP_MLOGSYS = 1.
<CRMC_IC_LTX_URL>-APPLICATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMC_IC_LTX_URL-PAGEKEY, sy-vline,
  WA_CRMC_IC_LTX_URL-OTHER_URL, sy-vline,
  WA_CRMC_IC_LTX_URL-HOST_PORT_DETERM, sy-vline,
  WA_CRMC_IC_LTX_URL-URL_MLOGSYS, sy-vline,
  WA_CRMC_IC_LTX_URL-URL_PART1, sy-vline,
  WA_CRMC_IC_LTX_URL-URL_PART2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMC_IC_LTX_URL 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_CRMC_IC_LTX_URL 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_CRMC_IC_LTX_URL INTO WA_CRMC_IC_LTX_URL.


*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 BSP_MLOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMC_IC_LTX_URL-BSP_MLOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMC_IC_LTX_URL-BSP_MLOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field URL_MLOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMC_IC_LTX_URL-URL_MLOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMC_IC_LTX_URL-URL_MLOGSYS.
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_CRMC_IC_LTX_URL_STR, 
CLIENT TYPE STRING,
URL_ID TYPE STRING,
BSP_URL TYPE STRING,
BSP_MLOGSYS TYPE STRING,
APPLICATION TYPE STRING,
PAGEKEY TYPE STRING,
OTHER_URL TYPE STRING,
HOST_PORT_DETERM TYPE STRING,
URL_MLOGSYS TYPE STRING,
URL_PART1 TYPE STRING,
URL_PART2 TYPE STRING,
PROTOCOL TYPE STRING,
DATALOSS TYPE STRING,
METHOD TYPE STRING,
URL_CLASS TYPE STRING,
USE_PORTAL TYPE STRING,
BO_SYSTEM_ALIAS TYPE STRING,
BO_NAME TYPE STRING,
BO_OPERATION TYPE STRING,
USE_OBN_DYNPARAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMC_IC_LTX_URL_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_CRMC_IC_LTX_URL_STR-CLIENT sy-vline 
WA_CRMC_IC_LTX_URL_STR-URL_ID sy-vline 
WA_CRMC_IC_LTX_URL_STR-BSP_URL sy-vline 
WA_CRMC_IC_LTX_URL_STR-BSP_MLOGSYS sy-vline 
WA_CRMC_IC_LTX_URL_STR-APPLICATION sy-vline 
WA_CRMC_IC_LTX_URL_STR-PAGEKEY sy-vline 
WA_CRMC_IC_LTX_URL_STR-OTHER_URL sy-vline 
WA_CRMC_IC_LTX_URL_STR-HOST_PORT_DETERM sy-vline 
WA_CRMC_IC_LTX_URL_STR-URL_MLOGSYS sy-vline 
WA_CRMC_IC_LTX_URL_STR-URL_PART1 sy-vline 
WA_CRMC_IC_LTX_URL_STR-URL_PART2 sy-vline 
WA_CRMC_IC_LTX_URL_STR-PROTOCOL sy-vline 
WA_CRMC_IC_LTX_URL_STR-DATALOSS sy-vline 
WA_CRMC_IC_LTX_URL_STR-METHOD sy-vline 
WA_CRMC_IC_LTX_URL_STR-URL_CLASS sy-vline 
WA_CRMC_IC_LTX_URL_STR-USE_PORTAL sy-vline 
WA_CRMC_IC_LTX_URL_STR-BO_SYSTEM_ALIAS sy-vline 
WA_CRMC_IC_LTX_URL_STR-BO_NAME sy-vline 
WA_CRMC_IC_LTX_URL_STR-BO_OPERATION sy-vline 
WA_CRMC_IC_LTX_URL_STR-USE_OBN_DYNPARAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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