local create_sql = "CREATE TABLE `prosody` (`host` TEXT, `user` TEXT, `store` TEXT, `key` TEXT, `type` TEXT, `value` TEXT);";
if params.driver == "PostgreSQL" then
create_sql = create_sql:gsub("`", "\"");
+ elseif params.driver == "MySQL" then
+ create_sql = create_sql:gsub("`value` TEXT", "`value` MEDIUMTEXT");
end
local stmt = connection:prepare(create_sql);
if not(ok and commit_ok) then
module:log("warn", "Failed to create index (%s), lookups may not be optimised", err or commit_err);
end
+ else -- COMPAT: Upgrade tables from 0.8.0
+ -- Failed to create, but check existing MySQL table here
+ local stmt = connection:prepare("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'");
+ local ok = stmt:execute();
+ local commit_ok = connection:commit();
+ if ok and commit_ok then
+ if stmt:rowcount() > 0 then
+ local stmt = connection:prepare("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT");
+ local ok = stmt:execute();
+ local commit_ok = connection:commit();
+ if ok and commit_ok then
+ module:log("info", "Database table automatically upgraded");
+ end
+ end
+ repeat until not stmt:fetch();
+ else
+ module:log("error", "Failed to upgrade database schema, please see http://prosody.im/doc/mysql for help");
+ end
end
end
end
do -- process options to get a db connection
- DBI = require "DBI";
+ local ok;
+ prosody.unlock_globals();
+ ok, DBI = pcall(require, "DBI");
+ if not ok then
+ package.loaded["DBI"] = {};
+ module:log("error", "Failed to load the LuaDBI library for accessing SQL databases: %s", DBI);
+ module:log("error", "More information on installing LuaDBI can be found at http://prosody.im/doc/depends#luadbi");
+ end
+ prosody.lock_globals();
+ if not ok or not DBI.Connect then
+ return; -- Halt loading of this module
+ end
params = params or { driver = "SQLite3" };