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plugins/mod_debug_sql.lua @ 11183:2ac63715ef6f
util.paths: Optimize path joining with few arguments
A casual search suggests that the majority of paths.join() calls involve
only two arguments. This saves the creation of a table for up to 3
arguments.
Looks like 3x faster for 3 arguments or less, 5% slower when it uses the
array to concatenate.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 11 Oct 2020 23:04:13 +0200 |
parent | 8391:5edb0d01a94f |
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-- 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