Create view is not accepting the parameter in postgres functions

Hi,

Is the following postgres function correct?

CREATE OR REPLACE FUNCTION "MyFun"("IdArgs" INTEGER)

RETURNS SETOF "B" AS

$BODY$

CREATE VIEW "A" AS SELECT * FROM "B" WHERE "Id" = $1;

SELECT * FROM "B";

$BODY$

LANGUAGE 'sql' VOLATILE

COST 100;

ALTER FUNCTION "MyFun"(INTEGER) OWNER TO postgres;

Where "B" is a table in the DB schema.

Executing "select * from "MyFun"(1) " throws the following error:

ERROR: there is no parameter $1

LINE 2: ...W "A" AS SELECT * FROM "B" WHERE "Id" = $1;

----------------

Where as the following function works fine:

CREATE OR REPLACE FUNCTION "MyFun"("IdArgs" INTEGER)

RETURNS SETOF "B" AS

$BODY$

CREATE VIEW "A" AS SELECT * FROM "B" WHERE "Id" = 1;

SELECT * FROM "B";

$BODY$

LANGUAGE 'sql' VOLATILE

COST 100;

ALTER FUNCTION "MyFun"(INTEGER) OWNER TO postgres;

Where "Id" is hardcoded within the function.

Is this expected? Please reply.

Regards,

DP

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