- update to v0.3.1:
* Add HQL keywords (pr475, by matwalk).
* Add support for time zone casts (issue489).
* Enhance formatting of AS keyword (issue507, by john-bodley).
* Stabilize grouping engine when parsing invalid SQL statements.
* Fix splitting of SQL with multiple statements inside
parentheses (issue485, pr486 by win39).
* Correctly identify NULLS FIRST / NULLS LAST as keywords (issue487).
* Fix splitting of SQL statements that contain dollar signs in
identifiers (issue491).
* Remove support for parsing double slash comments introduced in
0.3.0 (issue456) as it had some side-effects with other dialects and
doesn't seem to be widely used (issue476).
* Restrict detection of alias names to objects that acutally could
have an alias (issue455, adopted some parts of pr509 by john-bodley).
* Fix parsing of date/time literals (issue438, by vashek).
* Fix initialization of TokenList (issue499, pr505 by john-bodley).
* Fix parsing of LIKE (issue493, pr525 by dbczumar).
* Improve parsing of identifiers (pr527 by liulk).