SnowConvert AI – Oracle – Benutzerdefinierte Typen¶

CREATE TYPE email_typ_demo AS OBJECT
	( email_id INTEGER
	, email VARCHAR2(30)
	);

CREATE TYPE customer_typ_demo AS OBJECT
    ( customer_id        INTEGER
    , cust_first_name    VARCHAR2(20)
    , cust_last_name     VARCHAR2(20)
    , email_id			 INTEGER
    ) ;

CREATE TABLE email_table_demo OF email_typ_demo;
CREATE TABLE customer_table_demo OF customer_typ_demo;

INSERT INTO customer_table_demo VALUES
(customer_typ_demo(1, 'First Name 1', 'Last Name 1', 1));

INSERT INTO customer_table_demo VALUES
(customer_typ_demo(2, 'First Name 2', 'Last Name 2', 2));

INSERT INTO email_table_demo VALUES 
(email_typ_demo(1, 'abc@def.com'));

CREATE VIEW email_object_view OF email_typ_demo WITH OBJECT IDENTIFIER (email_id) AS
SELECT * FROM email_table_demo;

CREATE VIEW email_object_view OF email_typ_demo WITH OBJECT IDENTIFIER (email_id) AS
SELECT * FROM email_table_demo;

CREATE VIEW customer_view AS
SELECT REF(ctb) AS customer_reference
     , MAKE_REF(email_object_view, ctb.email_id) AS email_ref
FROM customer_table_demo ctb;

SELECT c.customer_reference.cust_first_name, c.email_ref.email
FROM customer_view c;

SELECT c.customer_reference.cust_first_name, c.email_ref.email
FROM customer_view c
WHERE c.email_ref IS NOT DANGLING;

CREATE OR REPLACE VIEW email_object_view
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},"attributes":{"component":"oracle"}}'
AS
--** SSC-FDM-0001 - VIEWS SELECTING ALL COLUMNS FROM A SINGLE TABLE ARE NOT REQUIRED IN SNOWFLAKE AND MAY IMPACT PERFORMANCE. **
SELECT * FROM
     email_table_demo;

CREATE OR REPLACE VIEW customer_view
COMMENT = '{"origin":"sf_sc","name":"snowconvert","version":{"major":1, "minor":0},"attributes":{"component":"oracle"}}'
AS
SELECT REF(ctb) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'REF' NODE ***/!!! AS customer_reference
     , MAKE_REF(email_object_view, ctb.email_id) !!!RESOLVE EWI!!! /*** SSC-EWI-0073 - PENDING FUNCTIONAL EQUIVALENCE REVIEW FOR 'MAKE_REF' NODE ***/!!! AS email_ref
FROM
     customer_table_demo ctb;

     SELECT c.customer_reference.cust_first_name, c.email_ref.email
     FROM
     customer_view c;

     SELECT c.customer_reference.cust_first_name, c.email_ref.email
FROM
     customer_view c
WHERE c.email_ref;
-- ** SSC-EWI-0001 - UNRECOGNIZED TOKEN ON LINE '14' COLUMN '19' OF THE SOURCE CODE STARTING AT 'IS'. EXPECTED 'STATEMENT' GRAMMAR. LAST MATCHING TOKEN WAS ';' ON LINE '10' COLUMN '21'. FAILED TOKEN WAS 'IS' ON LINE '14' COLUMN '19'. CODE '94'. **
--                   IS NOT DANGLING