File

core.statsmanager: Allow special "manual" value for statistics_interval When set, no periodic statistics collection is done by core.statsmanager, instead some module is expected to call collect() when it suits. Obviously only one such module should be enabled. Quoth jonas’ > correct way is to scrape the internal sources on each call to /metrics > in the context of Prometheus "manual" as opposed to "automatic", from the point of view of statsmanager.

-- Enables SQL query logging
--
-- luacheck: ignore 213/uri

module:set_global();

local engines = module:shared("/*/sql/connections");

for uri, engine in pairs(engines) do
	engine:debug(true);
end

setmetatable(engines, {
	__newindex = function (t, uri, engine)
		engine:debug(true);
		rawset(t, uri, engine);
	end
});

function module.unload()
	setmetatable(engines, nil);
	for uri, engine in pairs(engines) do
		engine:debug(false);
	end
end