Adding in testpkeychange regression test.
This test alters the primary key of a replicated table via
EXECUTE SCRIPT.

Currently slony 2.1.0 is failing this test (it is expected that 2.0 will fail
as well)

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=slony1-engine.git;a=commitdiff;h=1ff9059f1a25ddc58e7ac729eb5c2ef822ede8cf

Modified Files
--------------
clustertest/regression/testpkeychange/README       |    7 ++
.../regression/testpkeychange/ddl_updates.sql      |    4 +
.../regression/testpkeychange/init_schema.sql      |   12 +++
.../regression/testpkeychange/testpkeychange.js    |   80 ++++++++++++++++++++
4 files changed, 103 insertions(+), 0 deletions(-)