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9fb5fbd995
This query gets optimized badly, and it has started timing out when we run it on our own code base. Most of the evaluation time is spent in an RA predicate named `#select#cpe#1#f#antijoin_rhs#1`, which takes 1m36s a Wireshark snapshot. This restructuring of the code makes the problematic RA predicate go away.
Semmle QL
This open source repository contains the standard QL libraries and queries that power LGTM, and the other products that Semmle makes available to its customers worldwide.
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LGTM has extensive documentation on getting started with writing QL. You can use the interactive query console or the QL for Eclipse plugin to try out your queries on any open-source project that's currently being analyzed.
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License
The LGTM queries are licensed under Apache License 2.0 by Semmle.