[NO ISSUE][JDBC] Support foreign key metadata, other improvements

Change-Id: I01dcaf1e9ade568363df51f58f412956c9e0da45
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb-clients/+/13584
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>
Reviewed-by: Ian Maxon <imaxon@uci.edu>
Tested-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>
11 files changed
tree: 143e4aece0015da655eb2db39cdde1148cb69509
  1. .gitignore
  2. asterixdb-jdbc/