MVStore table engine: new setting "retention_time" to configure the time to retain old data. The default is 45 seconds.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5061 e6896862-9d19-0410-bfb3-e9fa5d50e656
don't run testLobCleanupSessionTemporaries() for the in-memory case


git-svn-id: http://h2database.googlecode.com/svn/trunk@5062 e6896862-9d19-0410-bfb3-e9fa5d50e656
don't run the sessions-uncommitted-column test in MVCC mode

git-svn-id: http://h2database.googlecode.com/svn/trunk@5063 e6896862-9d19-0410-bfb3-e9fa5d50e656
the new "contains_uncommitted" column does not work in memory-db mode

git-svn-id: http://h2database.googlecode.com/svn/trunk@5064 e6896862-9d19-0410-bfb3-e9fa5d50e656
fix grammar

git-svn-id: http://h2database.googlecode.com/svn/trunk@5065 e6896862-9d19-0410-bfb3-e9fa5d50e656
Hash indexes can only index one column. Rather throw an error message than silently converting it to a different type of index.

git-svn-id: http://h2database.googlecode.com/svn/trunk@5066 e6896862-9d19-0410-bfb3-e9fa5d50e656
update changelog

git-svn-id: http://h2database.googlecode.com/svn/trunk@5067 e6896862-9d19-0410-bfb3-e9fa5d50e656
make the code read a little easier

git-svn-id: http://h2database.googlecode.com/svn/trunk@5068 e6896862-9d19-0410-bfb3-e9fa5d50e656
In version 1.3.172, a performance regression was introduced...

git-svn-id: http://h2database.googlecode.com/svn/trunk@5069 e6896862-9d19-0410-bfb3-e9fa5d50e656