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Add support for using SQL/MED compliant FOREIGN DATA WRAPPER, SERVER,

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and USER MAPPING as method to supply dblink connect parameters. Per
mailing list and PGCon discussions.
This commit is contained in:
Joe Conway
2009-06-06 21:27:56 +00:00
parent af98bb2ad7
commit 4334695b30
4 changed files with 228 additions and 5 deletions
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25
contrib/dblink/sql/dblink.sql
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@ -364,3 +364,28 @@ SELECT * from
SELECT dblink_cancel_query('dtest1');
SELECT dblink_error_message('dtest1');
SELECT dblink_disconnect('dtest1');
-- test foreign data wrapper functionality
CREATE USER dblink_regression_test;
CREATE FOREIGN DATA WRAPPER postgresql;
CREATE SERVER fdtest FOREIGN DATA WRAPPER postgresql OPTIONS (dbname 'contrib_regression');
CREATE USER MAPPING FOR public SERVER fdtest;
GRANT USAGE ON FOREIGN SERVER fdtest TO dblink_regression_test;
GRANT EXECUTE ON FUNCTION dblink_connect_u(text, text) TO dblink_regression_test;
\set ORIGINAL_USER :USER
\c - dblink_regression_test
-- should fail
SELECT dblink_connect('myconn', 'fdtest');
-- should succeed
SELECT dblink_connect_u('myconn', 'fdtest');
SELECT * FROM dblink('myconn','SELECT * FROM foo') AS t(a int, b text, c text[]);
\c - :ORIGINAL_USER
REVOKE USAGE ON FOREIGN SERVER fdtest FROM dblink_regression_test;
REVOKE EXECUTE ON FUNCTION dblink_connect_u(text, text) FROM dblink_regression_test;
DROP USER dblink_regression_test;
DROP USER MAPPING FOR public SERVER fdtest;
DROP SERVER fdtest;
DROP FOREIGN DATA WRAPPER postgresql;