Cache hint removed from transformation when importing dynamic VDB

<?xml version="1.0" encoding="UTF-8"?>

<vdb name="MatViewsVdb" version="1">

	<description>For testing of materialized views</description>

	<model name="Source">

		<source name="Source" translator-name="h2-override"

			connection-jndi-name="java:/mat-views-ds" />

		<metadata type="DDL"><![CDATA[

		CREATE FOREIGN TABLE customers (

			id integer,

			name string(4000),

			address string(4000),

			CONSTRAINT PK_ID PRIMARY KEY(id)

		) OPTIONS(NAMEINSOURCE 'customer')

		CREATE FOREIGN TABLE orders (

			id integer,

			customer_id integer,

			amount integer,

			CONSTRAINT PK_ID PRIMARY KEY(id),

			CONSTRAINT FK_CUST FOREIGN KEY(customer_id) REFERENCES customers(id)

		) OPTIONS(NAMEINSOURCE 'order')

			]]>

		</metadata>

	</model>

	<model name="ViewModel" type="VIRTUAL">

		<metadata type="DDL"><![CDATA[

        CREATE VIEW internal_short_ttl (

           customer_id integer NOT NULL,

           total_amount integer

        ) OPTIONS (MATERIALIZED 'TRUE',

        	"teiid_rel:MATVIEW_BEFORE_LOAD_SCRIPT" 'execute Source.native(''INSERT INTO check_table(id,before_load) VALUES (''internal_short_ttl'',1) ON DUPLICATE KEY UPDATE before_load=before_load+1;'');',

             "teiid_rel:MATVIEW_AFTER_LOAD_SCRIPT" 'execute Source.native(''INSERT INTO check_table(id,after_load) VALUES (''internal_short_ttl'',1) ON DUPLICATE KEY UPDATE after_load=after_load+1;'')'

        	)

              AS /*+ cache(ttl:100)*/SELECT c.id AS customer_id, CONVERT(SUM(o.amount),biginteger) AS total_amount FROM customers c INNER JOIN orders o ON c.id = o.customer_id GROUP BY c.id;

     ]]>

              	</metadata>

	</model>

	<translator name="h2-override" type="h2">

		<property name="SupportsDirectQueryProcedure" value="true" />

	</translator>

</vdb>