ABAP Select data from SAP table TCM_CPX_MT_OIQ_RQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TCM_CPX_MT_OIQ_RQ
*  INTO TABLE @DATA(IT_TCM_CPX_MT_OIQ_RQ2).
*--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_TCM_CPX_MT_OIQ_RQ INDEX 1 INTO DATA(WA_TCM_CPX_MT_OIQ_RQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TCM_CPX_MT_OIQ_RQ>-CONTROLLER = 1.
<TCM_CPX_MT_OIQ_RQ>-FRT_ORDER_INV_PREP_REQUEST = 1.
<TCM_CPX_MT_OIQ_RQ>-CONTROLLER = 1.
<TCM_CPX_MT_OIQ_RQ>-MESSAGE_HEADER = 1.
<TCM_CPX_MT_OIQ_RQ>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TCM_CPX_MT_OIQ_RQ-ID, sy-vline,
  WA_TCM_CPX_MT_OIQ_RQ-CONTROLLER, sy-vline,
  WA_TCM_CPX_MT_OIQ_RQ-SCHEME_ID, sy-vline,
  WA_TCM_CPX_MT_OIQ_RQ-SCHEME_AGENCY_ID, sy-vline,
  WA_TCM_CPX_MT_OIQ_RQ-SCHEME_AGENCY_SCHEME_AGENCY_ID, sy-vline,
  WA_TCM_CPX_MT_OIQ_RQ-VALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TCM_CPX_MT_OIQ_RQ 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_TCM_CPX_MT_OIQ_RQ 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_TCM_CPX_MT_OIQ_RQ INTO WA_TCM_CPX_MT_OIQ_RQ.


*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_TCM_CPX_MT_OIQ_RQ_STR, 
CONTROLLER TYPE STRING,
FRT_ORDER_INV_PREP_REQUEST TYPE STRING,
CONTROLLER TYPE STRING,
MESSAGE_HEADER TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
REFERENCE_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
CREATION_DATE_TIME TYPE STRING,
TEST_DATA_INDICATOR TYPE STRING,
RECONCILIATION_INDICATOR TYPE STRING,
SENDER_BUSINESS_SYSTEM_ID TYPE STRING,
RECIPIENT_BUSINESS_SYSTEM_ID TYPE STRING,
SENDER_PARTY TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
STANDARD_ID TYPE STRING,
CONTACT_PERSON TYPE STRING,
CONTROLLER TYPE STRING,
INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
ORGANISATION_FORMATTED_NAME TYPE STRING,
PERSON_FORMATTED_NAME TYPE STRING,
PHONE_NUMBER TYPE STRING,
FAX_NUMBER TYPE STRING,
EMAIL_URI TYPE STRING,
RECIPIENT_PARTY TYPE STRING,
BUSINESS_SCOPE TYPE STRING,
FREIGHT_ORDER_INVOICING_PREP TYPE STRING,
CONTROLLER TYPE STRING,
ACTION_CODE TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
VALUE TYPE STRING,
REQUEST TYPE STRING,
CONTROLLER TYPE STRING,
PURCHASE_BUSINESS_AREA TYPE STRING,
CONTROLLER TYPE STRING,
PURCHASING_ORGANISATION_ID TYPE STRING,
PURCHASING_GROUP_ID TYPE STRING,
DATE_TIME_PERIODS TYPE STRING,
NATURE_OF_CARGO TYPE STRING,
TOTAL_QUANTITY TYPE STRING,
TOTAL_AMOUNT TYPE STRING,
TEXT_COLLECTION TYPE STRING,
CONTROLLER TYPE STRING,
TEXT_COLLECTION TYPE STRING,
CONTROLLER TYPE STRING,
TEXT TYPE STRING,
ACTION_CODE TYPE STRING,
BTD_REFERENCE TYPE STRING,
PARTY TYPE STRING,
TRANSPORT_CHARGES_INFO TYPE STRING,
SHIPMENT_ORDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TCM_CPX_MT_OIQ_RQ_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_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-FRT_ORDER_INV_PREP_REQUEST sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-MESSAGE_HEADER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-VALUE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-REFERENCE_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-VALUE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CREATION_DATE_TIME sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-TEST_DATA_INDICATOR sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-RECONCILIATION_INDICATOR sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SENDER_BUSINESS_SYSTEM_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-RECIPIENT_BUSINESS_SYSTEM_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SENDER_PARTY sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-INTERNAL_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-VALUE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-STANDARD_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTACT_PERSON sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-INTERNAL_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-VALUE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-ORGANISATION_FORMATTED_NAME sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-PERSON_FORMATTED_NAME sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-PHONE_NUMBER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-FAX_NUMBER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-EMAIL_URI sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-RECIPIENT_PARTY sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-BUSINESS_SCOPE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-FREIGHT_ORDER_INVOICING_PREP sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-ACTION_CODE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-VALUE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-REQUEST sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-PURCHASE_BUSINESS_AREA sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-PURCHASING_ORGANISATION_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-PURCHASING_GROUP_ID sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-DATE_TIME_PERIODS sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-NATURE_OF_CARGO sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-TOTAL_QUANTITY sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-TOTAL_AMOUNT sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-TEXT_COLLECTION sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-TEXT_COLLECTION sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-CONTROLLER sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-TEXT sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-ACTION_CODE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-BTD_REFERENCE sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-PARTY sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-TRANSPORT_CHARGES_INFO sy-vline 
WA_TCM_CPX_MT_OIQ_RQ_STR-SHIPMENT_ORDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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