IndexMetadataTest
IndexTest
Merge pull request #350 from tonyhuang/idxtest

More index tests.
Registering JDBC driver not needed in test and runtime since it is added in META-INF/services
Minor test fix.
Merge pull request #352 from tonyhuang/master

Minor test fix.
Merge pull request #351 from mujtabachohan/master

Registering JDBC driver not needed in test and runtime as it is added in META-INF/services
Fix for salting index tables, SALT column is part of PK columns and all columns, adjusted column position aas needed. Some flapping, but not consistent - might be left over rows?
remove unused methods in HashCache
adding date type support to to_number for issue #256
adding date type support to to_number for issue #256
add JoinStatement and related classes
add comments for SubqueryJoinTableNode
modify SQL lexer for joins
Salt index if data table is salted, calculate index table max filesize as a percentage of data table max filesize
Use smallest table as tie-breaker in choosing query plan
Between support for phoenix
modify join compilation
Alter system.table by adding columns added between 1.2.1 and 2.0 if they don't already exist
Pipeline UPSERT SELECT when possible