41 lines
1.1 KiB
MySQL
41 lines
1.1 KiB
MySQL
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CREATE TABLE IF NOT EXISTS sm_cookies
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(
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id serial,
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name varchar(30) NOT NULL UNIQUE,
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description varchar(255),
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access INTEGER,
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PRIMARY KEY (id)
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);
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CREATE TABLE IF NOT EXISTS sm_cookie_cache
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(
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player varchar(65) NOT NULL,
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cookie_id int NOT NULL,
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value varchar(100),
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timestamp int NOT NULL,
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PRIMARY KEY (player, cookie_id)
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);
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CREATE LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION add_or_update_cookie(in_player VARCHAR(65), in_cookie INT, in_value VARCHAR(100), in_time INT) RETURNS VOID AS
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$$
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BEGIN
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LOOP
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-- first try to update the it.
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UPDATE sm_cookie_cache SET value = in_value, timestamp = in_time WHERE player = in_player AND cookie_id = in_cookie;
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IF found THEN
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RETURN;
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END IF;
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-- not there, so try to insert.
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-- if someone else inserts the same key concurrently, we could get a unique-key failure.
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BEGIN
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INSERT INTO sm_cookie_cache (player, cookie_id, value, timestamp) VALUES (in_player, in_cookie, in_value, in_time);
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RETURN;
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EXCEPTION WHEN unique_violation THEN
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-- do nothing... loop again, and we'll update.
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END;
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END LOOP;
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END;
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$$
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LANGUAGE plpgsql;
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