v0.20.0-beta1

Breaking changes

• COUNT expression is returning now int64 instead of int32
• uast_extract function now returns a JSON for pos instead of a custom format

Bugfixes

• Skip a directory if gitbase has no permission to read it #738
• Close iterators correctly to avoid too many open files error #772
• Check projection aliases when assigned to index src-d/go-mysql-server#639
• Add charset to fields to avoid invalid column types when using JDBC clients src-d/go-mysql-server#637
• Fix prune columns for describe queries src-d/go-mysql-server#634
• Allow all expressions in grouping, resolve order by expressions src-d/go-mysql-server#633
• KILL query always takes processlist_id src-d/go-mysql-server#636
• Recover panic for partitions src-d/go-mysql-server#626

New features

• COUNT expression now returns an int64 number instead of int32 src-d/go-mysql-server#642
• Dockerfile: include zero-config MySQL client #737
• uast_extract function now returns a JSON for pos instead of a custom format #715

Documentation

• Docs: document in-memory joins in optimization docs #742

Performance improvements

• Perf: improve the way we check if refs are not pointing to commits #780
• Plan: compute all inner joins in memory if they fit src-d/go-mysql-server#577
• Perf: Avoid call to Checksum if there are no indexes src-d/go-mysql-server#631