fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

sdong d809ae9a2d Remove 2019 from appveyor (#7038 An error occurred ) ... Summary: VS2019 is covered in CircleCI. The only thing missing there is -DCMAKE_CXX_STANDARD=20 option. Add the option there and remove VS2019 build from Appveyor. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7038 Test Plan: Watch build results. Reviewed By: pdillinger, ltamasi Differential Revision: D22270010 fbshipit-source-id: 77d30be49d38b41516fa8a12be45395c27b12761		5 years ago
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config.yml	Remove 2019 from appveyor (#7038 An error occurred )	5 years ago