v0.14.0-rc1

New Features

• sql/driver/pilosa: implement AscendIndex and DescendIndex
• plan/index: Add tracing to index creation
• sql/(index,plan): add logs for index creation
• sql/function/aggregation: add SUM aggregation function
• internal/rule: make SquashedTable tree more explanatory
• vendor: upgrade bblfsh client-go
• cmd/gitbase/command: make pilosa endpoint and index directory configurable through env vars
• *: implement commit_files table
• Documentation: https://docs.sourced.tech/gitbase/

Performance improvements

• index/pilosa: batch boltdb and pilosa writes
• sql/analyzer: rule to move join conditions to filters
• Do not use full path in plain repository IDs
• internal/function: do not make requests to bblfsh for unsupported languages
• *: use indexes in the topmost squashed table
• cmd/gitbase: make squash rule active by default

Bugfixing

• sql/analyzer: rule to resolve sort based on dependencies
• sql/parse: fix order by with group by
• sql/analyzer: improve error message when an alias is defined and used in the same projection
• sql/analyzer: fix star resolution when there are natural joins involved
• sql/(plan,index): force index deletion on save failure
• travis: build and upload macOS releases
• internal/rule: fix squashjoins rule to squash projections properly too