Fork of https://github.com/oxigraph/oxigraph.git for the purpose of NextGraph project

Tpt 40b10cdabc Adds a naive standalone query optimizer ... This drops some left join optimizations		2 years ago
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oxigraph.rs	Adds a naive standalone query optimizer	2 years ago
parser.rs	Implements LATERAL join	2 years ago
sparql.rs	Adds a naive standalone query optimizer	2 years ago