Bug #134 - TRUNCATE trigger support

In Postgres 8.4, one may have an ON TRUNCATE trigger, which is interpreted
appropriately.

Branch
------
master

Details
-------
http://git.postgresql.org/gitweb?p=slony1-engine.git;a=commitdiff;h=587f926d5b2ab1ed332d8e966eede6c7e4574da0

Modified Files
--------------
src/backend/slony1_funcs.sql             |   45 +++++++++++++++
src/backend/slony1_funcs.v83.sql         |   43 +++++++++++++-
src/backend/slony1_funcs.v84.sql         |   75 +++++++++++++++++++++++++
src/slon/remote_worker.c                 |   12 +++-
tests/.gitignore                         |    1 +
tests/testtruncate/README                |    3 +
tests/testtruncate/gen_weak_user.sh      |    6 ++
tests/testtruncate/generate_dml.sh       |   90 ++++++++++++++++++++++++++++++
tests/testtruncate/init_add_tables.ik    |    5 ++
tests/testtruncate/init_cluster.ik       |    3 +
tests/testtruncate/init_create_set.ik    |    2 +
tests/testtruncate/init_data.sql         |   29 ++++++++++
tests/testtruncate/init_schema.sql       |   61 ++++++++++++++++++++
tests/testtruncate/init_subscribe_set.ik |    4 +
tests/testtruncate/schema.diff           |    4 +
tests/testtruncate/settings.ik           |    4 +
16 files changed, 382 insertions(+), 5 deletions(-)