improve mysql parser: operator ||
Merge pull request #613 from yakolee/master

improve mysql parser: operator ||
bugfix for into outfile
Merge pull request #614 from yakolee/master

bugfix for into outfile #582
support destroyScheduler
support ayncCloseConnectionEnable
bug fixed for support create/destroy scheduler
Merge pull request #615 from wenshao/master

support create/destory scheduler
bug fixed for clone
bug fixed for getHoldable UnsupoortedOperationException
Merge pull request #617 from wenshao/master

bug fixed for clone
bug fixed for create/destroy scheduler & add testcase
Merge pull request #618 from wenshao/master

bug fixed for create/destroy scheduler & add testcase
improve sqlwall
Merge pull request #619 from yakolee/master

improve sqlwall
bugfix for hint
version 1.0.9
Merge pull request #620 from yakolee/master

version 1.0.9 && bugfix for hint
improve sqlwall
Merge pull request #621 from yakolee/master

improve sqlwall