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DROP EXTENSION IF EXISTS www_fdw CASCADE;
CREATE EXTENSION www_fdw;
CREATE SERVER www_fdw_server_test FOREIGN DATA WRAPPER www_fdw OPTIONS (uri 'http://localhost:7777', request_serialize_callback 'test_request_serialize_callback');
CREATE USER MAPPING FOR current_user SERVER www_fdw_server_test;
CREATE FOREIGN TABLE www_fdw_test (
title text,
link text,
snippet text
) SERVER www_fdw_server_test;
CREATE OR REPLACE FUNCTION test_request_serialize_callback(options WWWFdwOptions, quals text, INOUT url text, INOUT post WWWFdwPostParameters) AS $$
BEGIN
RAISE DEBUG 'options parameter: %', options;
RAISE DEBUG 'quals parameter: %', quals;
RAISE DEBUG 'url parameter: %', url;
RAISE DEBUG 'post parameter: %', post;
url := url || '?title=titel';
END; $$ LANGUAGE PLPGSQL;
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