Foreign keys not used for semantic optimization

IITDBGroup / gprom

GProM is a middleware that adds support for provenance to database backends.

http://www.cs.iit.edu/%7edbgroup/research/gprom.php

Apache License 2.0

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Foreign keys not used for semantic optimization #80

Open lordpretzel opened 2 years ago

lordpretzel commented 2 years ago

Currently semantic optimization only takes functional dependencies into account when optimizing a Datalog provenance capture query. Also add support for foreign keys. This would be akin to removal of cardinality-preserving joins.