ABAP Select data from SAP table CTRIPHEADTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CTRIPHEADTP
*  INTO TABLE @DATA(IT_CTRIPHEADTP2).
*--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_CTRIPHEADTP INDEX 1 INTO DATA(WA_CTRIPHEADTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CTRIPHEADTP>-MANDT = 1.
<CTRIPHEADTP>-TRIPDOC = 1.
<CTRIPHEADTP>-TRIPEXTNUMBER = 1.
<CTRIPHEADTP>-TRIPTYPE = 1.
<CTRIPHEADTP>-VEHICLEID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CTRIPHEADTP-TRIPHEADERSTSCRITICALITY, sy-vline,
  WA_CTRIPHEADTP-TRIPSTATUS, sy-vline,
  WA_CTRIPHEADTP-BULKSHIPMENTVEHICLETYPE, sy-vline,
  WA_CTRIPHEADTP-DEMURRAGEAMOUNT, sy-vline,
  WA_CTRIPHEADTP-DEMURRAGEAMOUNTCRCY, sy-vline,
  WA_CTRIPHEADTP-TRIPCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CTRIPHEADTP 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_CTRIPHEADTP 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_CTRIPHEADTP INTO WA_CTRIPHEADTP.


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

*Conversion exit ALPHA, internal->external for field VEHICLEID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CTRIPHEADTP-VEHICLEID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CTRIPHEADTP-VEHICLEID.
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_CTRIPHEADTP_STR, 
MANDT TYPE STRING,
TRIPDOC TYPE STRING,
TRIPEXTNUMBER TYPE STRING,
TRIPTYPE TYPE STRING,
VEHICLEID TYPE STRING,
TRIPHEADERSTSCRITICALITY TYPE STRING,
TRIPSTATUS TYPE STRING,
BULKSHIPMENTVEHICLETYPE TYPE STRING,
DEMURRAGEAMOUNT TYPE STRING,
DEMURRAGEAMOUNTCRCY TYPE STRING,
TRIPCURRENCY TYPE STRING,
TRIPCRCYEXCHANGERATE TYPE STRING,
TRIPCREATIONDATE TYPE STRING,
TRIPCREATIONTIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
TRIPCHANGEDDATE TYPE STRING,
TRIPCHANGEDTIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
TRIPDOCTYPE TYPE STRING,
ACCRUALFORDEMURRAGEISALLOWED TYPE STRING,
TRIPISBLOCKED TYPE STRING,
TRIPDISPLAYMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CTRIPHEADTP_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_CTRIPHEADTP_STR-MANDT sy-vline 
WA_CTRIPHEADTP_STR-TRIPDOC sy-vline 
WA_CTRIPHEADTP_STR-TRIPEXTNUMBER sy-vline 
WA_CTRIPHEADTP_STR-TRIPTYPE sy-vline 
WA_CTRIPHEADTP_STR-VEHICLEID sy-vline 
WA_CTRIPHEADTP_STR-TRIPHEADERSTSCRITICALITY sy-vline 
WA_CTRIPHEADTP_STR-TRIPSTATUS sy-vline 
WA_CTRIPHEADTP_STR-BULKSHIPMENTVEHICLETYPE sy-vline 
WA_CTRIPHEADTP_STR-DEMURRAGEAMOUNT sy-vline 
WA_CTRIPHEADTP_STR-DEMURRAGEAMOUNTCRCY sy-vline 
WA_CTRIPHEADTP_STR-TRIPCURRENCY sy-vline 
WA_CTRIPHEADTP_STR-TRIPCRCYEXCHANGERATE sy-vline 
WA_CTRIPHEADTP_STR-TRIPCREATIONDATE sy-vline 
WA_CTRIPHEADTP_STR-TRIPCREATIONTIME sy-vline 
WA_CTRIPHEADTP_STR-CREATEDBYUSER sy-vline 
WA_CTRIPHEADTP_STR-TRIPCHANGEDDATE sy-vline 
WA_CTRIPHEADTP_STR-TRIPCHANGEDTIME sy-vline 
WA_CTRIPHEADTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_CTRIPHEADTP_STR-TRIPDOCTYPE sy-vline 
WA_CTRIPHEADTP_STR-ACCRUALFORDEMURRAGEISALLOWED sy-vline 
WA_CTRIPHEADTP_STR-TRIPISBLOCKED sy-vline 
WA_CTRIPHEADTP_STR-TRIPDISPLAYMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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