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mod_storage_sql: Record connection to database as module status

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Allows retrieving this in e.g. a health reporting module

Thanks pfak
This commit is contained in:
Kim Alvefur 2023-01-30 00:38:26 +01:00
parent dc958f1e40
commit 0147b972e0
3 changed files with 18 additions and 4 deletions
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8
util/sql.lua
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@ -99,6 +99,9 @@ end
function engine:onconnect() -- luacheck: ignore 212/self
-- Override from create_engine()
end
function engine:ondisconnect() -- luacheck: ignore 212/self
-- Override from create_engine()
end
function engine:prepquery(sql)
if self.params.driver == "MySQL" then
@ -224,6 +227,7 @@ function engine:transaction(...)
if not conn or not conn:ping() then
log("debug", "Database connection was closed. Will reconnect and retry.");
self.conn = nil;
self:ondisconnect();
log("debug", "Retrying SQL transaction [%s]", (...));
ok, ret, b, c = self:_transaction(...);
log("debug", "SQL transaction retry %s", ok and "succeeded" or "failed");
@ -365,8 +369,8 @@ local function db2uri(params)
};
end
local function create_engine(_, params, onconnect)
return setmetatable({ url = db2uri(params), params = params, onconnect = onconnect }, engine_mt);
local function create_engine(_, params, onconnect, ondisconnect)
return setmetatable({ url = db2uri(params); params = params; onconnect = onconnect; ondisconnect = ondisconnect }, engine_mt);
end
return {