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--
-- SQLite does not support altering of columns, so we'll need to recreate the
-- table and copy the data over.
--
BEGIN;
CREATE TEMPORARY TABLE mana_world_states_backup
(
state_name TEXT PRIMARY KEY,
map_id INTEGER NULL,
value TEXT NULL,
moddate INTEGER NOT NULL
);
INSERT INTO mana_world_states_backup SELECT
state_name, map_id, value, moddate FROM mana_world_states;
DROP TABLE mana_world_states;
-- Create the new world states table with the corrected primary key, and move
-- the existing data over
CREATE TABLE mana_world_states
(
state_name TEXT NOT NULL,
map_id INTEGER NOT NULL,
value TEXT NOT NULL,
moddate INTEGER NOT NULL,
--
PRIMARY KEY (state_name, map_id)
);
-- Copy over all map states
INSERT INTO mana_world_states (state_name, map_id, value, moddate)
SELECT state_name, map_id, value, moddate
FROM mana_world_states_backup
WHERE map_id > 0;
-- Copy over all world states
INSERT INTO mana_world_states (state_name, map_id, value, moddate)
SELECT state_name, 0, value, moddate
FROM mana_world_states_backup
WHERE map_id ISNULL;
-- Move some known system variables into the system scope
UPDATE mana_world_states SET map_id = -1 WHERE
state_name = 'database_version' OR
state_name = 'accountserver_version' OR
state_name = 'accountserver_startup';
DROP TABLE mana_world_states_backup;
-- Update the database version, and set date of update
UPDATE mana_world_states
SET value = '20',
moddate = strftime('%s','now')
WHERE state_name = 'database_version';
END;
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