get_index query rewrite#70
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This PR rewrites the SQL query in
Mod::get_indexto no longer be a large, monolithic query and instead adds joins and filters as they are needed. Additionally, it fixes potential logic holes in the query design. For example, previously, when requestinggd=2.208&geode=5.7.0mods it could return mods running Geodev5.0.0-alpha.1, which Geode would refuse to load. The new query will not return those mods. This is hopefully the only change to behavior observable from the outside.I ran a small stress test script that overwhelmed the server with requests to see how fast it can process them all, using a mix of typical queries (latest GD/Geode versions, random platform, everything else unset) and completely random queries to compare the performance, and with this PR the response times seem to be ~7.5 times faster. This should hopefully reduce the strain on the database by a ton
Also added some indexes, idk if completely correct but should be an improvement